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flutter_flutter/engine/src/flutter/shell/common/shell_unittests.cc

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// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#define FML_USED_ON_EMBEDDER
#include <algorithm>
#include <ctime>
#include <future>
#include <memory>
#include <utility>
#include <vector>
#include "assets/directory_asset_bundle.h"
#include "common/graphics/persistent_cache.h"
#include "flutter/flow/layers/backdrop_filter_layer.h"
#include "flutter/flow/layers/display_list_layer.h"
#include "flutter/flow/layers/layer_raster_cache_item.h"
#include "flutter/flow/layers/platform_view_layer.h"
#include "flutter/flow/layers/transform_layer.h"
#include "flutter/fml/command_line.h"
#include "flutter/fml/dart/dart_converter.h"
#include "flutter/fml/make_copyable.h"
#include "flutter/fml/message_loop.h"
#include "flutter/fml/synchronization/count_down_latch.h"
#include "flutter/fml/synchronization/waitable_event.h"
#include "flutter/runtime/dart_vm.h"
#include "flutter/shell/common/platform_view.h"
#include "flutter/shell/common/rasterizer.h"
#include "flutter/shell/common/shell_test.h"
#include "flutter/shell/common/shell_test_external_view_embedder.h"
#include "flutter/shell/common/shell_test_platform_view.h"
#include "flutter/shell/common/switches.h"
#include "flutter/shell/common/thread_host.h"
#include "flutter/shell/common/vsync_waiter_fallback.h"
#include "flutter/shell/version/version.h"
#include "flutter/testing/testing.h"
#include "gmock/gmock.h"
#include "third_party/rapidjson/include/rapidjson/writer.h"
#include "third_party/skia/include/codec/SkCodecAnimation.h"
#include "third_party/skia/include/core/SkPictureRecorder.h"
#include "third_party/tonic/converter/dart_converter.h"
#ifdef SHELL_ENABLE_VULKAN
#include "flutter/vulkan/vulkan_application.h" // nogncheck
#endif
// CREATE_NATIVE_ENTRY is leaky by design
// NOLINTBEGIN(clang-analyzer-core.StackAddressEscape)
namespace flutter {
namespace testing {
using ::testing::_;
using ::testing::Return;
namespace {
class MockPlatformViewDelegate : public PlatformView::Delegate {
MOCK_METHOD1(OnPlatformViewCreated, void(std::unique_ptr<Surface> surface));
MOCK_METHOD0(OnPlatformViewDestroyed, void());
MOCK_METHOD0(OnPlatformViewScheduleFrame, void());
MOCK_METHOD1(OnPlatformViewSetNextFrameCallback,
void(const fml::closure& closure));
MOCK_METHOD1(OnPlatformViewSetViewportMetrics,
void(const ViewportMetrics& metrics));
MOCK_METHOD1(OnPlatformViewDispatchPlatformMessage,
void(std::unique_ptr<PlatformMessage> message));
MOCK_METHOD1(OnPlatformViewDispatchPointerDataPacket,
void(std::unique_ptr<PointerDataPacket> packet));
MOCK_METHOD3(OnPlatformViewDispatchSemanticsAction,
void(int32_t id,
SemanticsAction action,
fml::MallocMapping args));
MOCK_METHOD1(OnPlatformViewSetSemanticsEnabled, void(bool enabled));
MOCK_METHOD1(OnPlatformViewSetAccessibilityFeatures, void(int32_t flags));
MOCK_METHOD1(OnPlatformViewRegisterTexture,
void(std::shared_ptr<Texture> texture));
MOCK_METHOD1(OnPlatformViewUnregisterTexture, void(int64_t texture_id));
MOCK_METHOD1(OnPlatformViewMarkTextureFrameAvailable,
void(int64_t texture_id));
MOCK_METHOD(const Settings&,
OnPlatformViewGetSettings,
(),
(const, override));
MOCK_METHOD3(LoadDartDeferredLibrary,
void(intptr_t loading_unit_id,
std::unique_ptr<const fml::Mapping> snapshot_data,
std::unique_ptr<const fml::Mapping> snapshot_instructions));
MOCK_METHOD3(LoadDartDeferredLibraryError,
void(intptr_t loading_unit_id,
const std::string error_message,
bool transient));
MOCK_METHOD2(UpdateAssetResolverByType,
void(std::unique_ptr<AssetResolver> updated_asset_resolver,
AssetResolver::AssetResolverType type));
};
class MockSurface : public Surface {
public:
MOCK_METHOD0(IsValid, bool());
MOCK_METHOD1(AcquireFrame,
std::unique_ptr<SurfaceFrame>(const SkISize& size));
MOCK_CONST_METHOD0(GetRootTransformation, SkMatrix());
MOCK_METHOD0(GetContext, GrDirectContext*());
MOCK_METHOD0(MakeRenderContextCurrent, std::unique_ptr<GLContextResult>());
MOCK_METHOD0(ClearRenderContext, bool());
};
class MockPlatformView : public PlatformView {
public:
MockPlatformView(MockPlatformViewDelegate& delegate,
const TaskRunners& task_runners)
: PlatformView(delegate, task_runners) {}
MOCK_METHOD0(CreateRenderingSurface, std::unique_ptr<Surface>());
MOCK_CONST_METHOD0(GetPlatformMessageHandler,
std::shared_ptr<PlatformMessageHandler>());
};
class TestPlatformView : public PlatformView {
public:
TestPlatformView(Shell& shell, const TaskRunners& task_runners)
: PlatformView(shell, task_runners) {}
MOCK_METHOD0(CreateRenderingSurface, std::unique_ptr<Surface>());
};
class MockPlatformMessageHandler : public PlatformMessageHandler {
public:
MOCK_METHOD1(HandlePlatformMessage,
void(std::unique_ptr<PlatformMessage> message));
MOCK_CONST_METHOD0(DoesHandlePlatformMessageOnPlatformThread, bool());
MOCK_METHOD2(InvokePlatformMessageResponseCallback,
void(int response_id, std::unique_ptr<fml::Mapping> mapping));
MOCK_METHOD1(InvokePlatformMessageEmptyResponseCallback,
void(int response_id));
};
class MockPlatformMessageResponse : public PlatformMessageResponse {
public:
static fml::RefPtr<MockPlatformMessageResponse> Create() {
return fml::AdoptRef(new MockPlatformMessageResponse());
}
MOCK_METHOD1(Complete, void(std::unique_ptr<fml::Mapping> data));
MOCK_METHOD0(CompleteEmpty, void());
};
} // namespace
class TestAssetResolver : public AssetResolver {
public:
TestAssetResolver(bool valid, AssetResolver::AssetResolverType type)
: valid_(valid), type_(type) {}
bool IsValid() const override { return true; }
// This is used to identify if replacement was made or not.
bool IsValidAfterAssetManagerChange() const override { return valid_; }
AssetResolver::AssetResolverType GetType() const override { return type_; }
std::unique_ptr<fml::Mapping> GetAsMapping(
const std::string& asset_name) const override {
return nullptr;
}
std::vector<std::unique_ptr<fml::Mapping>> GetAsMappings(
const std::string& asset_pattern,
const std::optional<std::string>& subdir) const override {
return {};
};
private:
bool valid_;
AssetResolver::AssetResolverType type_;
};
static bool ValidateShell(Shell* shell) {
if (!shell) {
return false;
}
if (!shell->IsSetup()) {
return false;
}
ShellTest::PlatformViewNotifyCreated(shell);
{
fml::AutoResetWaitableEvent latch;
fml::TaskRunner::RunNowOrPostTask(
shell->GetTaskRunners().GetPlatformTaskRunner(), [shell, &latch]() {
shell->GetPlatformView()->NotifyDestroyed();
latch.Signal();
});
latch.Wait();
}
return true;
}
static bool RasterizerHasLayerTree(Shell* shell) {
fml::AutoResetWaitableEvent latch;
bool has_layer_tree = false;
fml::TaskRunner::RunNowOrPostTask(
shell->GetTaskRunners().GetRasterTaskRunner(),
[shell, &latch, &has_layer_tree]() {
has_layer_tree = shell->GetRasterizer()->GetLastLayerTree() != nullptr;
latch.Signal();
});
latch.Wait();
return has_layer_tree;
}
static void ValidateDestroyPlatformView(Shell* shell) {
ASSERT_TRUE(shell != nullptr);
ASSERT_TRUE(shell->IsSetup());
// To validate destroy platform view, we must ensure the rasterizer has a
// layer tree before the platform view is destroyed.
ASSERT_TRUE(RasterizerHasLayerTree(shell));
ShellTest::PlatformViewNotifyDestroyed(shell);
// Validate the layer tree is destroyed
ASSERT_FALSE(RasterizerHasLayerTree(shell));
}
static std::string CreateFlagsString(std::vector<const char*>& flags) {
if (flags.empty()) {
return "";
}
std::string flags_string = flags[0];
for (size_t i = 1; i < flags.size(); ++i) {
flags_string += ",";
flags_string += flags[i];
}
return flags_string;
}
static void TestDartVmFlags(std::vector<const char*>& flags) {
std::string flags_string = CreateFlagsString(flags);
const std::vector<fml::CommandLine::Option> options = {
fml::CommandLine::Option("dart-flags", flags_string)};
fml::CommandLine command_line("", options, std::vector<std::string>());
flutter::Settings settings = flutter::SettingsFromCommandLine(command_line);
EXPECT_EQ(settings.dart_flags.size(), flags.size());
for (size_t i = 0; i < flags.size(); ++i) {
EXPECT_EQ(settings.dart_flags[i], flags[i]);
}
}
static void PostSync(const fml::RefPtr<fml::TaskRunner>& task_runner,
const fml::closure& task) {
fml::AutoResetWaitableEvent latch;
fml::TaskRunner::RunNowOrPostTask(task_runner, [&latch, &task] {
task();
latch.Signal();
});
latch.Wait();
}
static sk_sp<DisplayList> MakeSizedDisplayList(int width, int height) {
DisplayListCanvasRecorder recorder(SkRect::MakeXYWH(0, 0, width, height));
recorder.drawRect(SkRect::MakeXYWH(0, 0, width, height),
SkPaint(SkColor4f::FromColor(SK_ColorRED)));
return recorder.Build();
}
TEST_F(ShellTest, InitializeWithInvalidThreads) {
ASSERT_FALSE(DartVMRef::IsInstanceRunning());
Settings settings = CreateSettingsForFixture();
TaskRunners task_runners("test", nullptr, nullptr, nullptr, nullptr);
auto shell = CreateShell(settings, task_runners);
ASSERT_FALSE(shell);
ASSERT_FALSE(DartVMRef::IsInstanceRunning());
}
TEST_F(ShellTest, InitializeWithDifferentThreads) {
ASSERT_FALSE(DartVMRef::IsInstanceRunning());
Settings settings = CreateSettingsForFixture();
std::string name_prefix = "io.flutter.test." + GetCurrentTestName() + ".";
ThreadHost thread_host(ThreadHost::ThreadHostConfig(
name_prefix, ThreadHost::Type::Platform | ThreadHost::Type::RASTER |
ThreadHost::Type::IO | ThreadHost::Type::UI));
ASSERT_EQ(thread_host.name_prefix, name_prefix);
TaskRunners task_runners("test", thread_host.platform_thread->GetTaskRunner(),
thread_host.raster_thread->GetTaskRunner(),
thread_host.ui_thread->GetTaskRunner(),
thread_host.io_thread->GetTaskRunner());
auto shell = CreateShell(settings, task_runners);
ASSERT_TRUE(ValidateShell(shell.get()));
ASSERT_TRUE(DartVMRef::IsInstanceRunning());
DestroyShell(std::move(shell), task_runners);
ASSERT_FALSE(DartVMRef::IsInstanceRunning());
}
TEST_F(ShellTest, InitializeWithSingleThread) {
ASSERT_FALSE(DartVMRef::IsInstanceRunning());
Settings settings = CreateSettingsForFixture();
ThreadHost thread_host("io.flutter.test." + GetCurrentTestName() + ".",
ThreadHost::Type::Platform);
auto task_runner = thread_host.platform_thread->GetTaskRunner();
TaskRunners task_runners("test", task_runner, task_runner, task_runner,
task_runner);
auto shell = CreateShell(settings, task_runners);
ASSERT_TRUE(DartVMRef::IsInstanceRunning());
ASSERT_TRUE(ValidateShell(shell.get()));
DestroyShell(std::move(shell), task_runners);
ASSERT_FALSE(DartVMRef::IsInstanceRunning());
}
TEST_F(ShellTest, InitializeWithSingleThreadWhichIsTheCallingThread) {
ASSERT_FALSE(DartVMRef::IsInstanceRunning());
Settings settings = CreateSettingsForFixture();
fml::MessageLoop::EnsureInitializedForCurrentThread();
auto task_runner = fml::MessageLoop::GetCurrent().GetTaskRunner();
TaskRunners task_runners("test", task_runner, task_runner, task_runner,
task_runner);
auto shell = CreateShell(settings, task_runners);
ASSERT_TRUE(ValidateShell(shell.get()));
ASSERT_TRUE(DartVMRef::IsInstanceRunning());
DestroyShell(std::move(shell), task_runners);
ASSERT_FALSE(DartVMRef::IsInstanceRunning());
}
TEST_F(ShellTest,
InitializeWithMultipleThreadButCallingThreadAsPlatformThread) {
ASSERT_FALSE(DartVMRef::IsInstanceRunning());
Settings settings = CreateSettingsForFixture();
ThreadHost thread_host(
"io.flutter.test." + GetCurrentTestName() + ".",
ThreadHost::Type::RASTER | ThreadHost::Type::IO | ThreadHost::Type::UI);
fml::MessageLoop::EnsureInitializedForCurrentThread();
TaskRunners task_runners("test",
fml::MessageLoop::GetCurrent().GetTaskRunner(),
thread_host.raster_thread->GetTaskRunner(),
thread_host.ui_thread->GetTaskRunner(),
thread_host.io_thread->GetTaskRunner());
auto shell = Shell::Create(
flutter::PlatformData(), task_runners, settings,
[](Shell& shell) {
// This is unused in the platform view as we are not using the simulated
// vsync mechanism. We should have better DI in the tests.
const auto vsync_clock = std::make_shared<ShellTestVsyncClock>();
return ShellTestPlatformView::Create(
shell, shell.GetTaskRunners(), vsync_clock,
[task_runners = shell.GetTaskRunners()]() {
return static_cast<std::unique_ptr<VsyncWaiter>>(
std::make_unique<VsyncWaiterFallback>(task_runners));
},
ShellTestPlatformView::BackendType::kDefaultBackend, nullptr);
},
[](Shell& shell) { return std::make_unique<Rasterizer>(shell); });
ASSERT_TRUE(ValidateShell(shell.get()));
ASSERT_TRUE(DartVMRef::IsInstanceRunning());
DestroyShell(std::move(shell), task_runners);
ASSERT_FALSE(DartVMRef::IsInstanceRunning());
}
TEST_F(ShellTest, InitializeWithDisabledGpu) {
ASSERT_FALSE(DartVMRef::IsInstanceRunning());
Settings settings = CreateSettingsForFixture();
ThreadHost thread_host("io.flutter.test." + GetCurrentTestName() + ".",
ThreadHost::Type::Platform);
auto task_runner = thread_host.platform_thread->GetTaskRunner();
TaskRunners task_runners("test", task_runner, task_runner, task_runner,
task_runner);
auto shell = CreateShell(settings, task_runners, /*simulate_vsync=*/false,
/*shell_test_external_view_embedder=*/nullptr,
/*is_gpu_disabled=*/true);
ASSERT_TRUE(DartVMRef::IsInstanceRunning());
ASSERT_TRUE(ValidateShell(shell.get()));
bool is_disabled = false;
shell->GetIsGpuDisabledSyncSwitch()->Execute(
fml::SyncSwitch::Handlers().SetIfTrue([&] { is_disabled = true; }));
ASSERT_TRUE(is_disabled);
DestroyShell(std::move(shell), task_runners);
ASSERT_FALSE(DartVMRef::IsInstanceRunning());
}
TEST_F(ShellTest, InitializeWithGPUAndPlatformThreadsTheSame) {
ASSERT_FALSE(DartVMRef::IsInstanceRunning());
Settings settings = CreateSettingsForFixture();
ThreadHost thread_host(
"io.flutter.test." + GetCurrentTestName() + ".",
ThreadHost::Type::Platform | ThreadHost::Type::IO | ThreadHost::Type::UI);
TaskRunners task_runners(
"test",
thread_host.platform_thread->GetTaskRunner(), // platform
thread_host.platform_thread->GetTaskRunner(), // raster
thread_host.ui_thread->GetTaskRunner(), // ui
thread_host.io_thread->GetTaskRunner() // io
);
auto shell = CreateShell(settings, task_runners);
ASSERT_TRUE(DartVMRef::IsInstanceRunning());
ASSERT_TRUE(ValidateShell(shell.get()));
DestroyShell(std::move(shell), task_runners);
ASSERT_FALSE(DartVMRef::IsInstanceRunning());
}
TEST_F(ShellTest, FixturesAreFunctional) {
ASSERT_FALSE(DartVMRef::IsInstanceRunning());
auto settings = CreateSettingsForFixture();
auto shell = CreateShell(settings);
ASSERT_TRUE(ValidateShell(shell.get()));
auto configuration = RunConfiguration::InferFromSettings(settings);
ASSERT_TRUE(configuration.IsValid());
configuration.SetEntrypoint("fixturesAreFunctionalMain");
fml::AutoResetWaitableEvent main_latch;
AddNativeCallback(
"SayHiFromFixturesAreFunctionalMain",
CREATE_NATIVE_ENTRY([&main_latch](auto args) { main_latch.Signal(); }));
RunEngine(shell.get(), std::move(configuration));
main_latch.Wait();
ASSERT_TRUE(DartVMRef::IsInstanceRunning());
DestroyShell(std::move(shell));
ASSERT_FALSE(DartVMRef::IsInstanceRunning());
}
TEST_F(ShellTest, SecondaryIsolateBindingsAreSetupViaShellSettings) {
ASSERT_FALSE(DartVMRef::IsInstanceRunning());
auto settings = CreateSettingsForFixture();
auto shell = CreateShell(settings);
ASSERT_TRUE(ValidateShell(shell.get()));
auto configuration = RunConfiguration::InferFromSettings(settings);
ASSERT_TRUE(configuration.IsValid());
configuration.SetEntrypoint("testCanLaunchSecondaryIsolate");
fml::CountDownLatch latch(2);
AddNativeCallback("NotifyNative", CREATE_NATIVE_ENTRY([&latch](auto args) {
latch.CountDown();
}));
RunEngine(shell.get(), std::move(configuration));
latch.Wait();
ASSERT_TRUE(DartVMRef::IsInstanceRunning());
DestroyShell(std::move(shell));
ASSERT_FALSE(DartVMRef::IsInstanceRunning());
}
TEST_F(ShellTest, LastEntrypoint) {
ASSERT_FALSE(DartVMRef::IsInstanceRunning());
auto settings = CreateSettingsForFixture();
auto shell = CreateShell(settings);
ASSERT_TRUE(ValidateShell(shell.get()));
auto configuration = RunConfiguration::InferFromSettings(settings);
ASSERT_TRUE(configuration.IsValid());
std::string entry_point = "fixturesAreFunctionalMain";
configuration.SetEntrypoint(entry_point);
fml::AutoResetWaitableEvent main_latch;
std::string last_entry_point;
AddNativeCallback(
"SayHiFromFixturesAreFunctionalMain", CREATE_NATIVE_ENTRY([&](auto args) {
last_entry_point = shell->GetEngine()->GetLastEntrypoint();
main_latch.Signal();
}));
RunEngine(shell.get(), std::move(configuration));
main_latch.Wait();
EXPECT_EQ(entry_point, last_entry_point);
ASSERT_TRUE(DartVMRef::IsInstanceRunning());
DestroyShell(std::move(shell));
ASSERT_FALSE(DartVMRef::IsInstanceRunning());
}
TEST_F(ShellTest, LastEntrypointArgs) {
ASSERT_FALSE(DartVMRef::IsInstanceRunning());
auto settings = CreateSettingsForFixture();
auto shell = CreateShell(settings);
ASSERT_TRUE(ValidateShell(shell.get()));
auto configuration = RunConfiguration::InferFromSettings(settings);
ASSERT_TRUE(configuration.IsValid());
std::string entry_point = "fixturesAreFunctionalMain";
std::vector<std::string> entry_point_args = {"arg1"};
configuration.SetEntrypoint(entry_point);
configuration.SetEntrypointArgs(entry_point_args);
fml::AutoResetWaitableEvent main_latch;
std::vector<std::string> last_entry_point_args;
AddNativeCallback(
"SayHiFromFixturesAreFunctionalMain", CREATE_NATIVE_ENTRY([&](auto args) {
last_entry_point_args = shell->GetEngine()->GetLastEntrypointArgs();
main_latch.Signal();
}));
RunEngine(shell.get(), std::move(configuration));
main_latch.Wait();
#if (FLUTTER_RUNTIME_MODE == FLUTTER_RUNTIME_MODE_DEBUG)
EXPECT_EQ(last_entry_point_args, entry_point_args);
#else
ASSERT_TRUE(last_entry_point_args.empty());
#endif
ASSERT_TRUE(DartVMRef::IsInstanceRunning());
DestroyShell(std::move(shell));
ASSERT_FALSE(DartVMRef::IsInstanceRunning());
}
TEST_F(ShellTest, DisallowedDartVMFlag) {
#if defined(OS_FUCHSIA)
GTEST_SKIP() << "This test flakes on Fuchsia. https://fxbug.dev/110006 ";
#endif // OS_FUCHSIA
// Run this test in a thread-safe manner, otherwise gtest will complain.
::testing::FLAGS_gtest_death_test_style = "threadsafe";
const std::vector<fml::CommandLine::Option> options = {
fml::CommandLine::Option("dart-flags", "--verify_after_gc")};
fml::CommandLine command_line("", options, std::vector<std::string>());
// Upon encountering a disallowed Dart flag the process terminates.
const char* expected =
"Encountered disallowed Dart VM flag: --verify_after_gc";
ASSERT_DEATH(flutter::SettingsFromCommandLine(command_line), expected);
}
TEST_F(ShellTest, AllowedDartVMFlag) {
std::vector<const char*> flags = {
"--enable-isolate-groups",
"--no-enable-isolate-groups",
};
#if !FLUTTER_RELEASE
flags.push_back("--max_profile_depth 1");
flags.push_back("--random_seed 42");
flags.push_back("--max_subtype_cache_entries=22");
if (!DartVM::IsRunningPrecompiledCode()) {
flags.push_back("--enable_mirrors");
}
#endif
TestDartVmFlags(flags);
}
TEST_F(ShellTest, NoNeedToReportTimingsByDefault) {
auto settings = CreateSettingsForFixture();
std::unique_ptr<Shell> shell = CreateShell(settings);
// Create the surface needed by rasterizer
PlatformViewNotifyCreated(shell.get());
auto configuration = RunConfiguration::InferFromSettings(settings);
configuration.SetEntrypoint("emptyMain");
RunEngine(shell.get(), std::move(configuration));
PumpOneFrame(shell.get());
ASSERT_FALSE(GetNeedsReportTimings(shell.get()));
// This assertion may or may not be the direct result of needs_report_timings_
// being false. The count could be 0 simply because we just cleared
// unreported timings by reporting them. Hence this can't replace the
// ASSERT_FALSE(GetNeedsReportTimings(shell.get())) check. We added
// this assertion for an additional confidence that we're not pushing
// back to unreported timings unnecessarily.
//
// Conversely, do not assert UnreportedTimingsCount(shell.get()) to be
// positive in any tests. Otherwise those tests will be flaky as the clearing
// of unreported timings is unpredictive.
ASSERT_EQ(UnreportedTimingsCount(shell.get()), 0);
DestroyShell(std::move(shell));
}
TEST_F(ShellTest, NeedsReportTimingsIsSetWithCallback) {
auto settings = CreateSettingsForFixture();
std::unique_ptr<Shell> shell = CreateShell(settings);
// Create the surface needed by rasterizer
PlatformViewNotifyCreated(shell.get());
auto configuration = RunConfiguration::InferFromSettings(settings);
configuration.SetEntrypoint("dummyReportTimingsMain");
RunEngine(shell.get(), std::move(configuration));
PumpOneFrame(shell.get());
ASSERT_TRUE(GetNeedsReportTimings(shell.get()));
DestroyShell(std::move(shell));
}
static void CheckFrameTimings(const std::vector<FrameTiming>& timings,
fml::TimePoint start,
fml::TimePoint finish) {
fml::TimePoint last_frame_start;
for (size_t i = 0; i < timings.size(); i += 1) {
// Ensure that timings are sorted.
ASSERT_TRUE(timings[i].Get(FrameTiming::kPhases[0]) >= last_frame_start);
last_frame_start = timings[i].Get(FrameTiming::kPhases[0]);
fml::TimePoint last_phase_time;
for (auto phase : FrameTiming::kPhases) {
// raster finish wall time doesn't use the same clock base
// as rest of the frame timings.
if (phase == FrameTiming::kRasterFinishWallTime) {
continue;
}
ASSERT_TRUE(timings[i].Get(phase) >= start);
ASSERT_TRUE(timings[i].Get(phase) <= finish);
// phases should have weakly increasing time points
ASSERT_TRUE(last_phase_time <= timings[i].Get(phase));
last_phase_time = timings[i].Get(phase);
}
}
}
TEST_F(ShellTest, ReportTimingsIsCalled) {
fml::TimePoint start = fml::TimePoint::Now();
auto settings = CreateSettingsForFixture();
std::unique_ptr<Shell> shell = CreateShell(settings);
// Create the surface needed by rasterizer
PlatformViewNotifyCreated(shell.get());
auto configuration = RunConfiguration::InferFromSettings(settings);
ASSERT_TRUE(configuration.IsValid());
configuration.SetEntrypoint("reportTimingsMain");
fml::AutoResetWaitableEvent reportLatch;
std::vector<int64_t> timestamps;
auto nativeTimingCallback = [&reportLatch,
&timestamps](Dart_NativeArguments args) {
Dart_Handle exception = nullptr;
ASSERT_EQ(timestamps.size(), 0ul);
timestamps = tonic::DartConverter<std::vector<int64_t>>::FromArguments(
args, 0, exception);
reportLatch.Signal();
};
AddNativeCallback("NativeReportTimingsCallback",
CREATE_NATIVE_ENTRY(nativeTimingCallback));
RunEngine(shell.get(), std::move(configuration));
// Pump many frames so we can trigger the report quickly instead of waiting
// for the 1 second threshold.
for (int i = 0; i < 200; i += 1) {
PumpOneFrame(shell.get());
}
reportLatch.Wait();
DestroyShell(std::move(shell));
fml::TimePoint finish = fml::TimePoint::Now();
ASSERT_TRUE(!timestamps.empty());
ASSERT_TRUE(timestamps.size() % FrameTiming::kCount == 0);
std::vector<FrameTiming> timings(timestamps.size() / FrameTiming::kCount);
for (size_t i = 0; i * FrameTiming::kCount < timestamps.size(); i += 1) {
for (auto phase : FrameTiming::kPhases) {
timings[i].Set(
phase,
fml::TimePoint::FromEpochDelta(fml::TimeDelta::FromMicroseconds(
timestamps[i * FrameTiming::kCount + phase])));
}
}
CheckFrameTimings(timings, start, finish);
}
TEST_F(ShellTest, FrameRasterizedCallbackIsCalled) {
fml::TimePoint start = fml::TimePoint::Now();
auto settings = CreateSettingsForFixture();
fml::AutoResetWaitableEvent timingLatch;
FrameTiming timing;
for (auto phase : FrameTiming::kPhases) {
timing.Set(phase, fml::TimePoint());
// Check that the time points are initially smaller than start, so
// CheckFrameTimings will fail if they're not properly set later.
ASSERT_TRUE(timing.Get(phase) < start);
}
settings.frame_rasterized_callback = [&timing,
&timingLatch](const FrameTiming& t) {
timing = t;
timingLatch.Signal();
};
std::unique_ptr<Shell> shell = CreateShell(settings);
// Create the surface needed by rasterizer
PlatformViewNotifyCreated(shell.get());
auto configuration = RunConfiguration::InferFromSettings(settings);
configuration.SetEntrypoint("onBeginFrameMain");
int64_t frame_target_time;
auto nativeOnBeginFrame = [&frame_target_time](Dart_NativeArguments args) {
Dart_Handle exception = nullptr;
frame_target_time =
tonic::DartConverter<int64_t>::FromArguments(args, 0, exception);
};
AddNativeCallback("NativeOnBeginFrame",
CREATE_NATIVE_ENTRY(nativeOnBeginFrame));
RunEngine(shell.get(), std::move(configuration));
PumpOneFrame(shell.get());
// Check that timing is properly set. This implies that
// settings.frame_rasterized_callback is called.
timingLatch.Wait();
fml::TimePoint finish = fml::TimePoint::Now();
std::vector<FrameTiming> timings = {timing};
CheckFrameTimings(timings, start, finish);
// Check that onBeginFrame, which is the frame_target_time, is after
// FrameTiming's build start
int64_t build_start =
timing.Get(FrameTiming::kBuildStart).ToEpochDelta().ToMicroseconds();
ASSERT_GT(frame_target_time, build_start);
DestroyShell(std::move(shell));
}
TEST_F(ShellTest, ExternalEmbedderNoThreadMerger) {
auto settings = CreateSettingsForFixture();
fml::AutoResetWaitableEvent end_frame_latch;
bool end_frame_called = false;
auto end_frame_callback =
[&](bool should_resubmit_frame,
const fml::RefPtr<fml::RasterThreadMerger>& raster_thread_merger) {
ASSERT_TRUE(raster_thread_merger.get() == nullptr);
ASSERT_FALSE(should_resubmit_frame);
end_frame_called = true;
end_frame_latch.Signal();
};
auto external_view_embedder = std::make_shared<ShellTestExternalViewEmbedder>(
end_frame_callback, PostPrerollResult::kResubmitFrame, false);
auto shell = CreateShell(settings, GetTaskRunnersForFixture(), false,
external_view_embedder);
// Create the surface needed by rasterizer
PlatformViewNotifyCreated(shell.get());
auto configuration = RunConfiguration::InferFromSettings(settings);
configuration.SetEntrypoint("emptyMain");
RunEngine(shell.get(), std::move(configuration));
LayerTreeBuilder builder = [&](const std::shared_ptr<ContainerLayer>& root) {
fml::RefPtr<SkiaUnrefQueue> queue = fml::MakeRefCounted<SkiaUnrefQueue>(
this->GetCurrentTaskRunner(), fml::TimeDelta::Zero());
auto display_list_layer = std::make_shared<DisplayListLayer>(
SkPoint::Make(10, 10),
flutter::SkiaGPUObject<DisplayList>(
{MakeSizedDisplayList(80, 80), queue}),
false, false);
root->Add(display_list_layer);
};
PumpOneFrame(shell.get(), 100, 100, builder);
end_frame_latch.Wait();
ASSERT_TRUE(end_frame_called);
DestroyShell(std::move(shell));
}
TEST_F(ShellTest, PushBackdropFilterToVisitedPlatformViews) {
#if defined(OS_FUCHSIA)
GTEST_SKIP() << "RasterThreadMerger flakes on Fuchsia. "
"https://github.com/flutter/flutter/issues/59816 ";
#endif
auto settings = CreateSettingsForFixture();
std::shared_ptr<ShellTestExternalViewEmbedder> external_view_embedder;
fml::AutoResetWaitableEvent end_frame_latch;
bool end_frame_called = false;
std::vector<int64_t> visited_platform_views;
MutatorsStack stack_50;
MutatorsStack stack_75;
auto end_frame_callback =
[&](bool should_resubmit_frame,
const fml::RefPtr<fml::RasterThreadMerger>& raster_thread_merger) {
if (end_frame_called) {
return;
}
ASSERT_TRUE(raster_thread_merger.get() == nullptr);
ASSERT_FALSE(should_resubmit_frame);
end_frame_called = true;
visited_platform_views =
external_view_embedder->GetVisitedPlatformViews();
stack_50 = external_view_embedder->GetStack(50);
stack_75 = external_view_embedder->GetStack(75);
end_frame_latch.Signal();
};
external_view_embedder = std::make_shared<ShellTestExternalViewEmbedder>(
end_frame_callback, PostPrerollResult::kResubmitFrame, false);
auto shell = CreateShell(settings, GetTaskRunnersForFixture(), false,
external_view_embedder);
// Create the surface needed by rasterizer
PlatformViewNotifyCreated(shell.get());
auto configuration = RunConfiguration::InferFromSettings(settings);
configuration.SetEntrypoint("emptyMain");
RunEngine(shell.get(), std::move(configuration));
LayerTreeBuilder builder = [&](const std::shared_ptr<ContainerLayer>& root) {
auto platform_view_layer = std::make_shared<PlatformViewLayer>(
SkPoint::Make(10, 10), SkSize::Make(10, 10), 50);
root->Add(platform_view_layer);
auto filter = std::make_shared<DlBlurImageFilter>(5, 5, DlTileMode::kClamp);
auto backdrop_filter_layer =
std::make_shared<BackdropFilterLayer>(filter, DlBlendMode::kSrcOver);
root->Add(backdrop_filter_layer);
auto platform_view_layer2 = std::make_shared<PlatformViewLayer>(
SkPoint::Make(10, 10), SkSize::Make(10, 10), 75);
backdrop_filter_layer->Add(platform_view_layer2);
};
PumpOneFrame(shell.get(), 100, 100, builder);
end_frame_latch.Wait();
ASSERT_EQ(visited_platform_views, (std::vector<int64_t>{50, 75}));
ASSERT_TRUE(stack_75.is_empty());
ASSERT_FALSE(stack_50.is_empty());
auto filter = DlBlurImageFilter(5, 5, DlTileMode::kClamp);
auto mutator = *external_view_embedder->GetStack(50).Begin();
ASSERT_EQ(mutator->GetType(), MutatorType::kBackdropFilter);
ASSERT_EQ(mutator->GetFilterMutation().GetFilter(), filter);
DestroyShell(std::move(shell));
}
// TODO(https://github.com/flutter/flutter/issues/59816): Enable on fuchsia.
TEST_F(ShellTest,
ExternalEmbedderEndFrameIsCalledWhenPostPrerollResultIsResubmit) {
#if defined(OS_FUCHSIA)
GTEST_SKIP() << "RasterThreadMerger flakes on Fuchsia. "
"https://github.com/flutter/flutter/issues/59816 ";
#endif
auto settings = CreateSettingsForFixture();
fml::AutoResetWaitableEvent end_frame_latch;
bool end_frame_called = false;
auto end_frame_callback =
[&](bool should_resubmit_frame,
const fml::RefPtr<fml::RasterThreadMerger>& raster_thread_merger) {
ASSERT_TRUE(raster_thread_merger.get() != nullptr);
ASSERT_TRUE(should_resubmit_frame);
end_frame_called = true;
end_frame_latch.Signal();
};
auto external_view_embedder = std::make_shared<ShellTestExternalViewEmbedder>(
end_frame_callback, PostPrerollResult::kResubmitFrame, true);
auto shell = CreateShell(settings, GetTaskRunnersForFixture(), false,
external_view_embedder);
// Create the surface needed by rasterizer
PlatformViewNotifyCreated(shell.get());
auto configuration = RunConfiguration::InferFromSettings(settings);
configuration.SetEntrypoint("emptyMain");
RunEngine(shell.get(), std::move(configuration));
LayerTreeBuilder builder = [&](const std::shared_ptr<ContainerLayer>& root) {
fml::RefPtr<SkiaUnrefQueue> queue = fml::MakeRefCounted<SkiaUnrefQueue>(
this->GetCurrentTaskRunner(), fml::TimeDelta::Zero());
auto display_list_layer = std::make_shared<DisplayListLayer>(
SkPoint::Make(10, 10),
flutter::SkiaGPUObject<DisplayList>(
{MakeSizedDisplayList(80, 80), queue}),
false, false);
root->Add(display_list_layer);
};
PumpOneFrame(shell.get(), 100, 100, builder);
end_frame_latch.Wait();
ASSERT_TRUE(end_frame_called);
DestroyShell(std::move(shell));
}
TEST_F(ShellTest, OnPlatformViewDestroyDisablesThreadMerger) {
#if defined(OS_FUCHSIA)
GTEST_SKIP() << "RasterThreadMerger flakes on Fuchsia. "
"https://github.com/flutter/flutter/issues/59816 ";
#endif
auto settings = CreateSettingsForFixture();
fml::RefPtr<fml::RasterThreadMerger> raster_thread_merger;
auto end_frame_callback =
[&](bool should_resubmit_frame,
fml::RefPtr<fml::RasterThreadMerger> thread_merger) {
raster_thread_merger = std::move(thread_merger);
};
auto external_view_embedder = std::make_shared<ShellTestExternalViewEmbedder>(
end_frame_callback, PostPrerollResult::kSuccess, true);
auto shell = CreateShell(settings, GetTaskRunnersForFixture(), false,
external_view_embedder);
// Create the surface needed by rasterizer
PlatformViewNotifyCreated(shell.get());
auto configuration = RunConfiguration::InferFromSettings(settings);
configuration.SetEntrypoint("emptyMain");
RunEngine(shell.get(), std::move(configuration));
LayerTreeBuilder builder = [&](const std::shared_ptr<ContainerLayer>& root) {
fml::RefPtr<SkiaUnrefQueue> queue = fml::MakeRefCounted<SkiaUnrefQueue>(
this->GetCurrentTaskRunner(), fml::TimeDelta::Zero());
auto display_list_layer = std::make_shared<DisplayListLayer>(
SkPoint::Make(10, 10),
flutter::SkiaGPUObject<DisplayList>(
{MakeSizedDisplayList(80, 80), queue}),
false, false);
root->Add(display_list_layer);
};
PumpOneFrame(shell.get(), 100, 100, builder);
auto result = shell->WaitForFirstFrame(fml::TimeDelta::Max());
ASSERT_TRUE(result.ok()) << "Result: " << static_cast<int>(result.code())
<< ": " << result.message();
ASSERT_TRUE(raster_thread_merger->IsEnabled());
ValidateDestroyPlatformView(shell.get());
ASSERT_TRUE(raster_thread_merger->IsEnabled());
// Validate the platform view can be recreated and destroyed again
ValidateShell(shell.get());
ASSERT_TRUE(raster_thread_merger->IsEnabled());
DestroyShell(std::move(shell));
}
TEST_F(ShellTest, OnPlatformViewDestroyAfterMergingThreads) {
#if defined(OS_FUCHSIA)
GTEST_SKIP() << "RasterThreadMerger flakes on Fuchsia. "
"https://github.com/flutter/flutter/issues/59816 ";
#endif
const int ThreadMergingLease = 10;
auto settings = CreateSettingsForFixture();
fml::AutoResetWaitableEvent end_frame_latch;
std::shared_ptr<ShellTestExternalViewEmbedder> external_view_embedder;
auto end_frame_callback =
[&](bool should_resubmit_frame,
const fml::RefPtr<fml::RasterThreadMerger>& raster_thread_merger) {
if (should_resubmit_frame && !raster_thread_merger->IsMerged()) {
raster_thread_merger->MergeWithLease(ThreadMergingLease);
ASSERT_TRUE(raster_thread_merger->IsMerged());
external_view_embedder->UpdatePostPrerollResult(
PostPrerollResult::kSuccess);
}
end_frame_latch.Signal();
};
external_view_embedder = std::make_shared<ShellTestExternalViewEmbedder>(
end_frame_callback, PostPrerollResult::kSuccess, true);
// Set resubmit once to trigger thread merging.
external_view_embedder->UpdatePostPrerollResult(
PostPrerollResult::kResubmitFrame);
auto shell = CreateShell(settings, GetTaskRunnersForFixture(), false,
external_view_embedder);
// Create the surface needed by rasterizer
PlatformViewNotifyCreated(shell.get());
auto configuration = RunConfiguration::InferFromSettings(settings);
configuration.SetEntrypoint("emptyMain");
RunEngine(shell.get(), std::move(configuration));
LayerTreeBuilder builder = [&](const std::shared_ptr<ContainerLayer>& root) {
fml::RefPtr<SkiaUnrefQueue> queue = fml::MakeRefCounted<SkiaUnrefQueue>(
this->GetCurrentTaskRunner(), fml::TimeDelta::Zero());
auto display_list_layer = std::make_shared<DisplayListLayer>(
SkPoint::Make(10, 10),
flutter::SkiaGPUObject<DisplayList>(
{MakeSizedDisplayList(80, 80), queue}),
false, false);
root->Add(display_list_layer);
};
PumpOneFrame(shell.get(), 100, 100, builder);
// Pump one frame to trigger thread merging.
end_frame_latch.Wait();
// Pump another frame to ensure threads are merged and a regular layer tree is
// submitted.
PumpOneFrame(shell.get(), 100, 100, builder);
// Threads are merged here. PlatformViewNotifyDestroy should be executed
// successfully.
ASSERT_TRUE(fml::TaskRunnerChecker::RunsOnTheSameThread(
shell->GetTaskRunners().GetRasterTaskRunner()->GetTaskQueueId(),
shell->GetTaskRunners().GetPlatformTaskRunner()->GetTaskQueueId()));
ValidateDestroyPlatformView(shell.get());
// Ensure threads are unmerged after platform view destroy
ASSERT_FALSE(fml::TaskRunnerChecker::RunsOnTheSameThread(
shell->GetTaskRunners().GetRasterTaskRunner()->GetTaskQueueId(),
shell->GetTaskRunners().GetPlatformTaskRunner()->GetTaskQueueId()));
// Validate the platform view can be recreated and destroyed again
ValidateShell(shell.get());
DestroyShell(std::move(shell));
}
TEST_F(ShellTest, OnPlatformViewDestroyWhenThreadsAreMerging) {
#if defined(OS_FUCHSIA)
GTEST_SKIP() << "RasterThreadMerger flakes on Fuchsia. "
"https://github.com/flutter/flutter/issues/59816 ";
#endif
const int kThreadMergingLease = 10;
auto settings = CreateSettingsForFixture();
fml::AutoResetWaitableEvent end_frame_latch;
auto end_frame_callback =
[&](bool should_resubmit_frame,
const fml::RefPtr<fml::RasterThreadMerger>& raster_thread_merger) {
if (should_resubmit_frame && !raster_thread_merger->IsMerged()) {
raster_thread_merger->MergeWithLease(kThreadMergingLease);
}
end_frame_latch.Signal();
};
// Start with a regular layer tree with `PostPrerollResult::kSuccess` so we
// can later check if the rasterizer is tore down using
// |ValidateDestroyPlatformView|
auto external_view_embedder = std::make_shared<ShellTestExternalViewEmbedder>(
end_frame_callback, PostPrerollResult::kSuccess, true);
auto shell = CreateShell(settings, GetTaskRunnersForFixture(), false,
external_view_embedder);
// Create the surface needed by rasterizer
PlatformViewNotifyCreated(shell.get());
auto configuration = RunConfiguration::InferFromSettings(settings);
configuration.SetEntrypoint("emptyMain");
RunEngine(shell.get(), std::move(configuration));
LayerTreeBuilder builder = [&](const std::shared_ptr<ContainerLayer>& root) {
fml::RefPtr<SkiaUnrefQueue> queue = fml::MakeRefCounted<SkiaUnrefQueue>(
this->GetCurrentTaskRunner(), fml::TimeDelta::Zero());
auto display_list_layer = std::make_shared<DisplayListLayer>(
SkPoint::Make(10, 10),
flutter::SkiaGPUObject<DisplayList>(
{MakeSizedDisplayList(80, 80), queue}),
false, false);
root->Add(display_list_layer);
};
PumpOneFrame(shell.get(), 100, 100, builder);
// Pump one frame and threads aren't merged
end_frame_latch.Wait();
ASSERT_FALSE(fml::TaskRunnerChecker::RunsOnTheSameThread(
shell->GetTaskRunners().GetRasterTaskRunner()->GetTaskQueueId(),
shell->GetTaskRunners().GetPlatformTaskRunner()->GetTaskQueueId()));
// Pump a frame with `PostPrerollResult::kResubmitFrame` to start merging
// threads
external_view_embedder->UpdatePostPrerollResult(
PostPrerollResult::kResubmitFrame);
PumpOneFrame(shell.get(), 100, 100, builder);
// Now destroy the platform view immediately.
// Two things can happen here:
// 1. Threads haven't merged. 2. Threads has already merged.
// |Shell:OnPlatformViewDestroy| should be able to handle both cases.
ValidateDestroyPlatformView(shell.get());
// Ensure threads are unmerged after platform view destroy
ASSERT_FALSE(fml::TaskRunnerChecker::RunsOnTheSameThread(
shell->GetTaskRunners().GetRasterTaskRunner()->GetTaskQueueId(),
shell->GetTaskRunners().GetPlatformTaskRunner()->GetTaskQueueId()));
// Validate the platform view can be recreated and destroyed again
ValidateShell(shell.get());
DestroyShell(std::move(shell));
}
TEST_F(ShellTest,
OnPlatformViewDestroyWithThreadMergerWhileThreadsAreUnmerged) {
#if defined(OS_FUCHSIA)
GTEST_SKIP() << "RasterThreadMerger flakes on Fuchsia. "
"https://github.com/flutter/flutter/issues/59816 ";
#endif
auto settings = CreateSettingsForFixture();
fml::AutoResetWaitableEvent end_frame_latch;
auto end_frame_callback =
[&](bool should_resubmit_frame,
const fml::RefPtr<fml::RasterThreadMerger>& raster_thread_merger) {
end_frame_latch.Signal();
};
auto external_view_embedder = std::make_shared<ShellTestExternalViewEmbedder>(
end_frame_callback, PostPrerollResult::kSuccess, true);
auto shell = CreateShell(settings, GetTaskRunnersForFixture(), false,
external_view_embedder);
// Create the surface needed by rasterizer
PlatformViewNotifyCreated(shell.get());
auto configuration = RunConfiguration::InferFromSettings(settings);
configuration.SetEntrypoint("emptyMain");
RunEngine(shell.get(), std::move(configuration));
LayerTreeBuilder builder = [&](const std::shared_ptr<ContainerLayer>& root) {
fml::RefPtr<SkiaUnrefQueue> queue = fml::MakeRefCounted<SkiaUnrefQueue>(
this->GetCurrentTaskRunner(), fml::TimeDelta::Zero());
auto display_list_layer = std::make_shared<DisplayListLayer>(
SkPoint::Make(10, 10),
flutter::SkiaGPUObject<DisplayList>(
{MakeSizedDisplayList(80, 80), queue}),
false, false);
root->Add(display_list_layer);
};
PumpOneFrame(shell.get(), 100, 100, builder);
end_frame_latch.Wait();
// Threads should not be merged.
ASSERT_FALSE(fml::TaskRunnerChecker::RunsOnTheSameThread(
shell->GetTaskRunners().GetRasterTaskRunner()->GetTaskQueueId(),
shell->GetTaskRunners().GetPlatformTaskRunner()->GetTaskQueueId()));
ValidateDestroyPlatformView(shell.get());
// Ensure threads are unmerged after platform view destroy
ASSERT_FALSE(fml::TaskRunnerChecker::RunsOnTheSameThread(
shell->GetTaskRunners().GetRasterTaskRunner()->GetTaskQueueId(),
shell->GetTaskRunners().GetPlatformTaskRunner()->GetTaskQueueId()));
// Validate the platform view can be recreated and destroyed again
ValidateShell(shell.get());
DestroyShell(std::move(shell));
}
TEST_F(ShellTest, OnPlatformViewDestroyWithoutRasterThreadMerger) {
auto settings = CreateSettingsForFixture();
auto shell =
CreateShell(settings, GetTaskRunnersForFixture(), false, nullptr);
// Create the surface needed by rasterizer
PlatformViewNotifyCreated(shell.get());
auto configuration = RunConfiguration::InferFromSettings(settings);
configuration.SetEntrypoint("emptyMain");
RunEngine(shell.get(), std::move(configuration));
LayerTreeBuilder builder = [&](const std::shared_ptr<ContainerLayer>& root) {
fml::RefPtr<SkiaUnrefQueue> queue = fml::MakeRefCounted<SkiaUnrefQueue>(
this->GetCurrentTaskRunner(), fml::TimeDelta::Zero());
auto display_list_layer = std::make_shared<DisplayListLayer>(
SkPoint::Make(10, 10),
flutter::SkiaGPUObject<DisplayList>(
{MakeSizedDisplayList(80, 80), queue}),
false, false);
root->Add(display_list_layer);
};
PumpOneFrame(shell.get(), 100, 100, builder);
// Threads should not be merged.
ASSERT_FALSE(fml::TaskRunnerChecker::RunsOnTheSameThread(
shell->GetTaskRunners().GetRasterTaskRunner()->GetTaskQueueId(),
shell->GetTaskRunners().GetPlatformTaskRunner()->GetTaskQueueId()));
ValidateDestroyPlatformView(shell.get());
// Ensure threads are unmerged after platform view destroy
ASSERT_FALSE(fml::TaskRunnerChecker::RunsOnTheSameThread(
shell->GetTaskRunners().GetRasterTaskRunner()->GetTaskQueueId(),
shell->GetTaskRunners().GetPlatformTaskRunner()->GetTaskQueueId()));
// Validate the platform view can be recreated and destroyed again
ValidateShell(shell.get());
DestroyShell(std::move(shell));
}
// TODO(https://github.com/flutter/flutter/issues/59816): Enable on fuchsia.
TEST_F(ShellTest, OnPlatformViewDestroyWithStaticThreadMerging) {
#if defined(OS_FUCHSIA)
GTEST_SKIP() << "RasterThreadMerger flakes on Fuchsia. "
"https://github.com/flutter/flutter/issues/59816 ";
#endif
auto settings = CreateSettingsForFixture();
fml::AutoResetWaitableEvent end_frame_latch;
auto end_frame_callback =
[&](bool should_resubmit_frame,
const fml::RefPtr<fml::RasterThreadMerger>& raster_thread_merger) {
end_frame_latch.Signal();
};
auto external_view_embedder = std::make_shared<ShellTestExternalViewEmbedder>(
end_frame_callback, PostPrerollResult::kSuccess, true);
ThreadHost thread_host(
"io.flutter.test." + GetCurrentTestName() + ".",
ThreadHost::Type::Platform | ThreadHost::Type::IO | ThreadHost::Type::UI);
TaskRunners task_runners(
"test",
thread_host.platform_thread->GetTaskRunner(), // platform
thread_host.platform_thread->GetTaskRunner(), // raster
thread_host.ui_thread->GetTaskRunner(), // ui
thread_host.io_thread->GetTaskRunner() // io
);
auto shell =
CreateShell(settings, task_runners, false, external_view_embedder);
// Create the surface needed by rasterizer
PlatformViewNotifyCreated(shell.get());
auto configuration = RunConfiguration::InferFromSettings(settings);
configuration.SetEntrypoint("emptyMain");
RunEngine(shell.get(), std::move(configuration));
LayerTreeBuilder builder = [&](const std::shared_ptr<ContainerLayer>& root) {
fml::RefPtr<SkiaUnrefQueue> queue = fml::MakeRefCounted<SkiaUnrefQueue>(
this->GetCurrentTaskRunner(), fml::TimeDelta::Zero());
auto display_list_layer = std::make_shared<DisplayListLayer>(
SkPoint::Make(10, 10),
flutter::SkiaGPUObject<DisplayList>(
{MakeSizedDisplayList(80, 80), queue}),
false, false);
root->Add(display_list_layer);
};
PumpOneFrame(shell.get(), 100, 100, builder);
end_frame_latch.Wait();
ValidateDestroyPlatformView(shell.get());
// Validate the platform view can be recreated and destroyed again
ValidateShell(shell.get());
DestroyShell(std::move(shell), task_runners);
}
TEST_F(ShellTest, GetUsedThisFrameShouldBeSetBeforeEndFrame) {
auto settings = CreateSettingsForFixture();
fml::AutoResetWaitableEvent end_frame_latch;
std::shared_ptr<ShellTestExternalViewEmbedder> external_view_embedder;
bool used_this_frame = true;
auto end_frame_callback =
[&](bool should_resubmit_frame,
const fml::RefPtr<fml::RasterThreadMerger>& raster_thread_merger) {
// We expect `used_this_frame` to be false.
used_this_frame = external_view_embedder->GetUsedThisFrame();
end_frame_latch.Signal();
};
external_view_embedder = std::make_shared<ShellTestExternalViewEmbedder>(
end_frame_callback, PostPrerollResult::kSuccess, true);
auto shell = CreateShell(settings, GetTaskRunnersForFixture(), false,
external_view_embedder);
// Create the surface needed by rasterizer
PlatformViewNotifyCreated(shell.get());
auto configuration = RunConfiguration::InferFromSettings(settings);
configuration.SetEntrypoint("emptyMain");
RunEngine(shell.get(), std::move(configuration));
LayerTreeBuilder builder = [&](const std::shared_ptr<ContainerLayer>& root) {
fml::RefPtr<SkiaUnrefQueue> queue = fml::MakeRefCounted<SkiaUnrefQueue>(
this->GetCurrentTaskRunner(), fml::TimeDelta::Zero());
auto display_list_layer = std::make_shared<DisplayListLayer>(
SkPoint::Make(10, 10),
flutter::SkiaGPUObject<DisplayList>(
{MakeSizedDisplayList(80, 80), queue}),
false, false);
root->Add(display_list_layer);
};
PumpOneFrame(shell.get(), 100, 100, builder);
end_frame_latch.Wait();
ASSERT_FALSE(used_this_frame);
// Validate the platform view can be recreated and destroyed again
ValidateShell(shell.get());
DestroyShell(std::move(shell));
}
// TODO(https://github.com/flutter/flutter/issues/66056): Deflake on all other
// platforms
TEST_F(ShellTest, DISABLED_SkipAndSubmitFrame) {
#if defined(OS_FUCHSIA)
GTEST_SKIP() << "RasterThreadMerger flakes on Fuchsia. "
"https://github.com/flutter/flutter/issues/59816 ";
#endif
auto settings = CreateSettingsForFixture();
fml::AutoResetWaitableEvent end_frame_latch;
std::shared_ptr<ShellTestExternalViewEmbedder> external_view_embedder;
auto end_frame_callback =
[&](bool should_resubmit_frame,
const fml::RefPtr<fml::RasterThreadMerger>& raster_thread_merger) {
if (should_resubmit_frame && !raster_thread_merger->IsMerged()) {
raster_thread_merger->MergeWithLease(10);
external_view_embedder->UpdatePostPrerollResult(
PostPrerollResult::kSuccess);
}
end_frame_latch.Signal();
};
external_view_embedder = std::make_shared<ShellTestExternalViewEmbedder>(
end_frame_callback, PostPrerollResult::kSkipAndRetryFrame, true);
auto shell = CreateShell(settings, GetTaskRunnersForFixture(), false,
external_view_embedder);
PlatformViewNotifyCreated(shell.get());
auto configuration = RunConfiguration::InferFromSettings(settings);
configuration.SetEntrypoint("emptyMain");
RunEngine(shell.get(), std::move(configuration));
ASSERT_EQ(0, external_view_embedder->GetSubmittedFrameCount());
PumpOneFrame(shell.get());
// `EndFrame` changed the post preroll result to `kSuccess`.
end_frame_latch.Wait();
// Let the resubmitted frame to run and `GetSubmittedFrameCount` should be
// called.
end_frame_latch.Wait();
// 2 frames are submitted because `kSkipAndRetryFrame`, but only the 2nd frame
// should be submitted with `external_view_embedder`, hence the below check.
ASSERT_EQ(1, external_view_embedder->GetSubmittedFrameCount());
PlatformViewNotifyDestroyed(shell.get());
DestroyShell(std::move(shell));
}
TEST(SettingsTest, FrameTimingSetsAndGetsProperly) {
// Ensure that all phases are in kPhases.
ASSERT_EQ(sizeof(FrameTiming::kPhases),
FrameTiming::kCount * sizeof(FrameTiming::Phase));
int lastPhaseIndex = -1;
FrameTiming timing;
for (auto phase : FrameTiming::kPhases) {
ASSERT_TRUE(phase > lastPhaseIndex); // Ensure that kPhases are in order.
lastPhaseIndex = phase;
auto fake_time =
fml::TimePoint::FromEpochDelta(fml::TimeDelta::FromMicroseconds(phase));
timing.Set(phase, fake_time);
ASSERT_TRUE(timing.Get(phase) == fake_time);
}
}
TEST_F(ShellTest, ReportTimingsIsCalledImmediatelyAfterTheFirstFrame) {
auto settings = CreateSettingsForFixture();
std::unique_ptr<Shell> shell = CreateShell(settings);
// Create the surface needed by rasterizer
PlatformViewNotifyCreated(shell.get());
auto configuration = RunConfiguration::InferFromSettings(settings);
ASSERT_TRUE(configuration.IsValid());
configuration.SetEntrypoint("reportTimingsMain");
fml::AutoResetWaitableEvent reportLatch;
std::vector<int64_t> timestamps;
auto nativeTimingCallback = [&reportLatch,
&timestamps](Dart_NativeArguments args) {
Dart_Handle exception = nullptr;
ASSERT_EQ(timestamps.size(), 0ul);
timestamps = tonic::DartConverter<std::vector<int64_t>>::FromArguments(
args, 0, exception);
reportLatch.Signal();
};
AddNativeCallback("NativeReportTimingsCallback",
CREATE_NATIVE_ENTRY(nativeTimingCallback));
ASSERT_TRUE(configuration.IsValid());
RunEngine(shell.get(), std::move(configuration));
for (int i = 0; i < 10; i += 1) {
PumpOneFrame(shell.get());
}
reportLatch.Wait();
DestroyShell(std::move(shell));
// Check for the immediate callback of the first frame that doesn't wait for
// the other 9 frames to be rasterized.
ASSERT_EQ(timestamps.size(), FrameTiming::kCount);
}
TEST_F(ShellTest, ReloadSystemFonts) {
auto settings = CreateSettingsForFixture();
fml::MessageLoop::EnsureInitializedForCurrentThread();
auto task_runner = fml::MessageLoop::GetCurrent().GetTaskRunner();
TaskRunners task_runners("test", task_runner, task_runner, task_runner,
task_runner);
auto shell = CreateShell(settings, task_runners);
auto fontCollection = GetFontCollection(shell.get());
std::vector<std::string> families(1, "Robotofake");
auto font =
fontCollection->GetMinikinFontCollectionForFamilies(families, "en");
if (font == nullptr) {
// The system does not have default font. Aborts this test.
return;
}
unsigned int id = font->getId();
// The result should be cached.
font = fontCollection->GetMinikinFontCollectionForFamilies(families, "en");
ASSERT_EQ(font->getId(), id);
bool result = shell->ReloadSystemFonts();
// The cache is cleared, and FontCollection will be assigned a new id.
font = fontCollection->GetMinikinFontCollectionForFamilies(families, "en");
ASSERT_NE(font->getId(), id);
ASSERT_TRUE(result);
shell.reset();
}
TEST_F(ShellTest, WaitForFirstFrame) {
auto settings = CreateSettingsForFixture();
std::unique_ptr<Shell> shell = CreateShell(settings);
// Create the surface needed by rasterizer
PlatformViewNotifyCreated(shell.get());
auto configuration = RunConfiguration::InferFromSettings(settings);
configuration.SetEntrypoint("emptyMain");
RunEngine(shell.get(), std::move(configuration));
PumpOneFrame(shell.get());
fml::Status result = shell->WaitForFirstFrame(fml::TimeDelta::Max());
ASSERT_TRUE(result.ok());
DestroyShell(std::move(shell));
}
TEST_F(ShellTest, WaitForFirstFrameZeroSizeFrame) {
auto settings = CreateSettingsForFixture();
std::unique_ptr<Shell> shell = CreateShell(settings);
// Create the surface needed by rasterizer
PlatformViewNotifyCreated(shell.get());
auto configuration = RunConfiguration::InferFromSettings(settings);
configuration.SetEntrypoint("emptyMain");
RunEngine(shell.get(), std::move(configuration));
PumpOneFrame(shell.get(), {1.0, 0.0, 0.0, 22});
fml::Status result = shell->WaitForFirstFrame(fml::TimeDelta::Zero());
ASSERT_FALSE(result.ok());
ASSERT_EQ(result.code(), fml::StatusCode::kDeadlineExceeded);
DestroyShell(std::move(shell));
}
TEST_F(ShellTest, WaitForFirstFrameTimeout) {
auto settings = CreateSettingsForFixture();
std::unique_ptr<Shell> shell = CreateShell(settings);
// Create the surface needed by rasterizer
PlatformViewNotifyCreated(shell.get());
auto configuration = RunConfiguration::InferFromSettings(settings);
configuration.SetEntrypoint("emptyMain");
RunEngine(shell.get(), std::move(configuration));
fml::Status result = shell->WaitForFirstFrame(fml::TimeDelta::Zero());
ASSERT_FALSE(result.ok());
ASSERT_EQ(result.code(), fml::StatusCode::kDeadlineExceeded);
DestroyShell(std::move(shell));
}
TEST_F(ShellTest, WaitForFirstFrameMultiple) {
auto settings = CreateSettingsForFixture();
std::unique_ptr<Shell> shell = CreateShell(settings);
// Create the surface needed by rasterizer
PlatformViewNotifyCreated(shell.get());
auto configuration = RunConfiguration::InferFromSettings(settings);
configuration.SetEntrypoint("emptyMain");
RunEngine(shell.get(), std::move(configuration));
PumpOneFrame(shell.get());
fml::Status result = shell->WaitForFirstFrame(fml::TimeDelta::Max());
ASSERT_TRUE(result.ok());
for (int i = 0; i < 100; ++i) {
result = shell->WaitForFirstFrame(fml::TimeDelta::Zero());
ASSERT_TRUE(result.ok());
}
DestroyShell(std::move(shell));
}
/// Makes sure that WaitForFirstFrame works if we rendered a frame with the
/// single-thread setup.
TEST_F(ShellTest, WaitForFirstFrameInlined) {
Settings settings = CreateSettingsForFixture();
auto task_runner = CreateNewThread();
TaskRunners task_runners("test", task_runner, task_runner, task_runner,
task_runner);
std::unique_ptr<Shell> shell = CreateShell(settings, task_runners);
// Create the surface needed by rasterizer
PlatformViewNotifyCreated(shell.get());
auto configuration = RunConfiguration::InferFromSettings(settings);
configuration.SetEntrypoint("emptyMain");
RunEngine(shell.get(), std::move(configuration));
PumpOneFrame(shell.get());
fml::AutoResetWaitableEvent event;
task_runner->PostTask([&shell, &event] {
fml::Status result = shell->WaitForFirstFrame(fml::TimeDelta::Max());
ASSERT_FALSE(result.ok());
ASSERT_EQ(result.code(), fml::StatusCode::kFailedPrecondition);
event.Signal();
});
ASSERT_FALSE(event.WaitWithTimeout(fml::TimeDelta::Max()));
DestroyShell(std::move(shell), task_runners);
}
static size_t GetRasterizerResourceCacheBytesSync(const Shell& shell) {
size_t bytes = 0;
fml::AutoResetWaitableEvent latch;
fml::TaskRunner::RunNowOrPostTask(
shell.GetTaskRunners().GetRasterTaskRunner(), [&]() {
if (auto rasterizer = shell.GetRasterizer()) {
bytes = rasterizer->GetResourceCacheMaxBytes().value_or(0U);
}
latch.Signal();
});
latch.Wait();
return bytes;
}
TEST_F(ShellTest, MultipleFluttersSetResourceCacheBytes) {
TaskRunners task_runners = GetTaskRunnersForFixture();
auto settings = CreateSettingsForFixture();
settings.resource_cache_max_bytes_threshold = 4000000U;
GrMockOptions main_context_options;
sk_sp<GrDirectContext> main_context =
GrDirectContext::MakeMock(&main_context_options);
Shell::CreateCallback<PlatformView> platform_view_create_callback =
[task_runners, main_context](flutter::Shell& shell) {
auto result = std::make_unique<TestPlatformView>(shell, task_runners);
ON_CALL(*result, CreateRenderingSurface())
.WillByDefault(::testing::Invoke([main_context] {
auto surface = std::make_unique<MockSurface>();
ON_CALL(*surface, GetContext())
.WillByDefault(Return(main_context.get()));
ON_CALL(*surface, IsValid()).WillByDefault(Return(true));
ON_CALL(*surface, MakeRenderContextCurrent())
.WillByDefault(::testing::Invoke([] {
return std::make_unique<GLContextDefaultResult>(true);
}));
return surface;
}));
return result;
};
auto shell = CreateShell(
/*settings=*/settings,
/*task_runners=*/task_runners,
/*simulate_vsync=*/false,
/*shell_test_external_view_embedder=*/nullptr,
/*is_gpu_disabled=*/false,
/*rendering_backend=*/
ShellTestPlatformView::BackendType::kDefaultBackend,
/*platform_view_create_callback=*/platform_view_create_callback);
// Create the surface needed by rasterizer
PlatformViewNotifyCreated(shell.get());
auto configuration = RunConfiguration::InferFromSettings(settings);
configuration.SetEntrypoint("emptyMain");
RunEngine(shell.get(), std::move(configuration));
PostSync(shell->GetTaskRunners().GetPlatformTaskRunner(), [&shell]() {
shell->GetPlatformView()->SetViewportMetrics({1.0, 100, 100, 22});
});
// first cache bytes
EXPECT_EQ(GetRasterizerResourceCacheBytesSync(*shell),
static_cast<size_t>(480000U));
auto shell_spawn_callback = [&]() {
std::unique_ptr<Shell> spawn;
PostSync(
shell->GetTaskRunners().GetPlatformTaskRunner(),
[this, &spawn, &spawner = shell, platform_view_create_callback]() {
auto configuration =
RunConfiguration::InferFromSettings(CreateSettingsForFixture());
configuration.SetEntrypoint("emptyMain");
spawn = spawner->Spawn(
std::move(configuration), "", platform_view_create_callback,
[](Shell& shell) { return std::make_unique<Rasterizer>(shell); });
ASSERT_NE(nullptr, spawn.get());
ASSERT_TRUE(ValidateShell(spawn.get()));
});
return spawn;
};
std::unique_ptr<Shell> second_shell = shell_spawn_callback();
PlatformViewNotifyCreated(second_shell.get());
PostSync(second_shell->GetTaskRunners().GetPlatformTaskRunner(),
[&second_shell]() {
second_shell->GetPlatformView()->SetViewportMetrics(
{1.0, 100, 100, 22});
});
// first cache bytes + second cache bytes
EXPECT_EQ(GetRasterizerResourceCacheBytesSync(*shell),
static_cast<size_t>(960000U));
PostSync(second_shell->GetTaskRunners().GetPlatformTaskRunner(),
[&second_shell]() {
second_shell->GetPlatformView()->SetViewportMetrics(
{1.0, 100, 300, 22});
});
// first cache bytes + second cache bytes
EXPECT_EQ(GetRasterizerResourceCacheBytesSync(*shell),
static_cast<size_t>(1920000U));
std::unique_ptr<Shell> third_shell = shell_spawn_callback();
PlatformViewNotifyCreated(third_shell.get());
PostSync(
third_shell->GetTaskRunners().GetPlatformTaskRunner(), [&third_shell]() {
third_shell->GetPlatformView()->SetViewportMetrics({1.0, 400, 100, 22});
});
// first cache bytes + second cache bytes + third cache bytes
EXPECT_EQ(GetRasterizerResourceCacheBytesSync(*shell),
static_cast<size_t>(3840000U));
PostSync(
third_shell->GetTaskRunners().GetPlatformTaskRunner(), [&third_shell]() {
third_shell->GetPlatformView()->SetViewportMetrics({1.0, 800, 100, 22});
});
// max bytes threshold
EXPECT_EQ(GetRasterizerResourceCacheBytesSync(*shell),
static_cast<size_t>(4000000U));
DestroyShell(std::move(third_shell), task_runners);
// max bytes threshold
EXPECT_EQ(GetRasterizerResourceCacheBytesSync(*shell),
static_cast<size_t>(4000000U));
PostSync(second_shell->GetTaskRunners().GetPlatformTaskRunner(),
[&second_shell]() {
second_shell->GetPlatformView()->SetViewportMetrics(
{1.0, 100, 100, 22});
});
// first cache bytes + second cache bytes
EXPECT_EQ(GetRasterizerResourceCacheBytesSync(*shell),
static_cast<size_t>(960000U));
DestroyShell(std::move(second_shell), task_runners);
DestroyShell(std::move(shell), task_runners);
}
TEST_F(ShellTest, SetResourceCacheSize) {
Settings settings = CreateSettingsForFixture();
auto task_runner = CreateNewThread();
TaskRunners task_runners("test", task_runner, task_runner, task_runner,
task_runner);
std::unique_ptr<Shell> shell = CreateShell(settings, task_runners);
// Create the surface needed by rasterizer
PlatformViewNotifyCreated(shell.get());
auto configuration = RunConfiguration::InferFromSettings(settings);
configuration.SetEntrypoint("emptyMain");
RunEngine(shell.get(), std::move(configuration));
PumpOneFrame(shell.get());
// The Vulkan and GL backends set different default values for the resource
// cache size. The default backend (specified by the default param of
// `CreateShell` in this test) will only resolve to Vulkan (in
// `ShellTestPlatformView::Create`) if GL is disabled. This situation arises
// when targeting the Fuchsia Emulator.
#if defined(SHELL_ENABLE_VULKAN) && !defined(SHELL_ENABLE_GL)
EXPECT_EQ(GetRasterizerResourceCacheBytesSync(*shell),
vulkan::kGrCacheMaxByteSize);
#else
EXPECT_EQ(GetRasterizerResourceCacheBytesSync(*shell),
static_cast<size_t>(24 * (1 << 20)));
#endif
fml::TaskRunner::RunNowOrPostTask(
shell->GetTaskRunners().GetPlatformTaskRunner(), [&shell]() {
shell->GetPlatformView()->SetViewportMetrics({1.0, 400, 200, 22});
});
PumpOneFrame(shell.get());
EXPECT_EQ(GetRasterizerResourceCacheBytesSync(*shell), 3840000U);
std::string request_json = R"json({
"method": "Skia.setResourceCacheMaxBytes",
"args": 10000
})json";
auto data =
fml::MallocMapping::Copy(request_json.c_str(), request_json.length());
auto platform_message = std::make_unique<PlatformMessage>(
"flutter/skia", std::move(data), nullptr);
SendEnginePlatformMessage(shell.get(), std::move(platform_message));
PumpOneFrame(shell.get());
EXPECT_EQ(GetRasterizerResourceCacheBytesSync(*shell), 10000U);
fml::TaskRunner::RunNowOrPostTask(
shell->GetTaskRunners().GetPlatformTaskRunner(), [&shell]() {
shell->GetPlatformView()->SetViewportMetrics({1.0, 800, 400, 22});
});
PumpOneFrame(shell.get());
EXPECT_EQ(GetRasterizerResourceCacheBytesSync(*shell), 10000U);
DestroyShell(std::move(shell), task_runners);
}
TEST_F(ShellTest, SetResourceCacheSizeEarly) {
Settings settings = CreateSettingsForFixture();
auto task_runner = CreateNewThread();
TaskRunners task_runners("test", task_runner, task_runner, task_runner,
task_runner);
std::unique_ptr<Shell> shell = CreateShell(settings, task_runners);
fml::TaskRunner::RunNowOrPostTask(
shell->GetTaskRunners().GetPlatformTaskRunner(), [&shell]() {
shell->GetPlatformView()->SetViewportMetrics({1.0, 400, 200, 22});
});
PumpOneFrame(shell.get());
// Create the surface needed by rasterizer
PlatformViewNotifyCreated(shell.get());
auto configuration = RunConfiguration::InferFromSettings(settings);
configuration.SetEntrypoint("emptyMain");
RunEngine(shell.get(), std::move(configuration));
PumpOneFrame(shell.get());
EXPECT_EQ(GetRasterizerResourceCacheBytesSync(*shell),
static_cast<size_t>(3840000U));
DestroyShell(std::move(shell), task_runners);
}
TEST_F(ShellTest, SetResourceCacheSizeNotifiesDart) {
Settings settings = CreateSettingsForFixture();
auto task_runner = CreateNewThread();
TaskRunners task_runners("test", task_runner, task_runner, task_runner,
task_runner);
std::unique_ptr<Shell> shell = CreateShell(settings, task_runners);
fml::TaskRunner::RunNowOrPostTask(
shell->GetTaskRunners().GetPlatformTaskRunner(), [&shell]() {
shell->GetPlatformView()->SetViewportMetrics({1.0, 400, 200, 22});
});
PumpOneFrame(shell.get());
// Create the surface needed by rasterizer
PlatformViewNotifyCreated(shell.get());
auto configuration = RunConfiguration::InferFromSettings(settings);
configuration.SetEntrypoint("testSkiaResourceCacheSendsResponse");
EXPECT_EQ(GetRasterizerResourceCacheBytesSync(*shell),
static_cast<size_t>(3840000U));
fml::AutoResetWaitableEvent latch;
AddNativeCallback("NotifyNative", CREATE_NATIVE_ENTRY([&latch](auto args) {
latch.Signal();
}));
RunEngine(shell.get(), std::move(configuration));
PumpOneFrame(shell.get());
latch.Wait();
EXPECT_EQ(GetRasterizerResourceCacheBytesSync(*shell),
static_cast<size_t>(10000U));
DestroyShell(std::move(shell), task_runners);
}
TEST_F(ShellTest, CanCreateImagefromDecompressedBytes) {
Settings settings = CreateSettingsForFixture();
auto task_runner = CreateNewThread();
TaskRunners task_runners("test", task_runner, task_runner, task_runner,
task_runner);
std::unique_ptr<Shell> shell = CreateShell(settings, task_runners);
// Create the surface needed by rasterizer
PlatformViewNotifyCreated(shell.get());
auto configuration = RunConfiguration::InferFromSettings(settings);
configuration.SetEntrypoint("canCreateImageFromDecompressedData");
fml::AutoResetWaitableEvent latch;
AddNativeCallback("NotifyWidthHeight",
CREATE_NATIVE_ENTRY([&latch](auto args) {
auto width = tonic::DartConverter<int>::FromDart(
Dart_GetNativeArgument(args, 0));
auto height = tonic::DartConverter<int>::FromDart(
Dart_GetNativeArgument(args, 1));
ASSERT_EQ(width, 10);
ASSERT_EQ(height, 10);
latch.Signal();
}));
RunEngine(shell.get(), std::move(configuration));
latch.Wait();
DestroyShell(std::move(shell), task_runners);
}
class MockTexture : public Texture {
public:
MockTexture(int64_t textureId,
std::shared_ptr<fml::AutoResetWaitableEvent> latch)
: Texture(textureId), latch_(std::move(latch)) {}
~MockTexture() override = default;
// Called from raster thread.
void Paint(PaintContext& context,
const SkRect& bounds,
bool freeze,
const SkSamplingOptions&) override {}
void OnGrContextCreated() override {}
void OnGrContextDestroyed() override {}
void MarkNewFrameAvailable() override {
frames_available_++;
latch_->Signal();
}
void OnTextureUnregistered() override {
unregistered_ = true;
latch_->Signal();
}
bool unregistered() { return unregistered_; }
int frames_available() { return frames_available_; }
private:
bool unregistered_ = false;
int frames_available_ = 0;
std::shared_ptr<fml::AutoResetWaitableEvent> latch_;
};
TEST_F(ShellTest, TextureFrameMarkedAvailableAndUnregister) {
Settings settings = CreateSettingsForFixture();
auto configuration = RunConfiguration::InferFromSettings(settings);
auto task_runner = CreateNewThread();
TaskRunners task_runners("test", task_runner, task_runner, task_runner,
task_runner);
std::unique_ptr<Shell> shell = CreateShell(settings, task_runners);
ASSERT_TRUE(ValidateShell(shell.get()));
PlatformViewNotifyCreated(shell.get());
RunEngine(shell.get(), std::move(configuration));
std::shared_ptr<fml::AutoResetWaitableEvent> latch =
std::make_shared<fml::AutoResetWaitableEvent>();
std::shared_ptr<MockTexture> mockTexture =
std::make_shared<MockTexture>(0, latch);
fml::TaskRunner::RunNowOrPostTask(
shell->GetTaskRunners().GetRasterTaskRunner(), [&]() {
shell->GetPlatformView()->RegisterTexture(mockTexture);
shell->GetPlatformView()->MarkTextureFrameAvailable(0);
});
latch->Wait();
EXPECT_EQ(mockTexture->frames_available(), 1);
fml::TaskRunner::RunNowOrPostTask(
shell->GetTaskRunners().GetRasterTaskRunner(),
[&]() { shell->GetPlatformView()->UnregisterTexture(0); });
latch->Wait();
EXPECT_EQ(mockTexture->unregistered(), true);
DestroyShell(std::move(shell), task_runners);
}
TEST_F(ShellTest, IsolateCanAccessPersistentIsolateData) {
const std::string message = "dummy isolate launch data.";
Settings settings = CreateSettingsForFixture();
settings.persistent_isolate_data =
std::make_shared<fml::DataMapping>(message);
TaskRunners task_runners("test", // label
GetCurrentTaskRunner(), // platform
CreateNewThread(), // raster
CreateNewThread(), // ui
CreateNewThread() // io
);
fml::AutoResetWaitableEvent message_latch;
AddNativeCallback("NotifyMessage",
CREATE_NATIVE_ENTRY([&](Dart_NativeArguments args) {
const auto message_from_dart =
tonic::DartConverter<std::string>::FromDart(
Dart_GetNativeArgument(args, 0));
ASSERT_EQ(message, message_from_dart);
message_latch.Signal();
}));
std::unique_ptr<Shell> shell = CreateShell(settings, task_runners);
ASSERT_TRUE(shell->IsSetup());
auto configuration = RunConfiguration::InferFromSettings(settings);
configuration.SetEntrypoint("canAccessIsolateLaunchData");
fml::AutoResetWaitableEvent event;
shell->RunEngine(std::move(configuration), [&](auto result) {
ASSERT_EQ(result, Engine::RunStatus::Success);
});
message_latch.Wait();
DestroyShell(std::move(shell), task_runners);
}
TEST_F(ShellTest, CanScheduleFrameFromPlatform) {
Settings settings = CreateSettingsForFixture();
TaskRunners task_runners = GetTaskRunnersForFixture();
fml::AutoResetWaitableEvent latch;
AddNativeCallback(
"NotifyNative",
CREATE_NATIVE_ENTRY([&](Dart_NativeArguments args) { latch.Signal(); }));
fml::AutoResetWaitableEvent check_latch;
AddNativeCallback("NativeOnBeginFrame",
CREATE_NATIVE_ENTRY([&](Dart_NativeArguments args) {
check_latch.Signal();
}));
std::unique_ptr<Shell> shell = CreateShell(settings, task_runners);
ASSERT_TRUE(shell->IsSetup());
auto configuration = RunConfiguration::InferFromSettings(settings);
configuration.SetEntrypoint("onBeginFrameWithNotifyNativeMain");
RunEngine(shell.get(), std::move(configuration));
// Wait for the application to attach the listener.
latch.Wait();
fml::TaskRunner::RunNowOrPostTask(
shell->GetTaskRunners().GetPlatformTaskRunner(),
[&shell]() { shell->GetPlatformView()->ScheduleFrame(); });
check_latch.Wait();
DestroyShell(std::move(shell), task_runners);
}
TEST_F(ShellTest, SecondaryVsyncCallbackShouldBeCalledAfterVsyncCallback) {
bool is_on_begin_frame_called = false;
bool is_secondary_callback_called = false;
Settings settings = CreateSettingsForFixture();
TaskRunners task_runners = GetTaskRunnersForFixture();
fml::AutoResetWaitableEvent latch;
AddNativeCallback(
"NotifyNative",
CREATE_NATIVE_ENTRY([&](Dart_NativeArguments args) { latch.Signal(); }));
fml::CountDownLatch count_down_latch(2);
AddNativeCallback("NativeOnBeginFrame",
CREATE_NATIVE_ENTRY([&](Dart_NativeArguments args) {
EXPECT_FALSE(is_on_begin_frame_called);
EXPECT_FALSE(is_secondary_callback_called);
is_on_begin_frame_called = true;
count_down_latch.CountDown();
}));
std::unique_ptr<Shell> shell = CreateShell(settings, task_runners);
ASSERT_TRUE(shell->IsSetup());
auto configuration = RunConfiguration::InferFromSettings(settings);
configuration.SetEntrypoint("onBeginFrameWithNotifyNativeMain");
RunEngine(shell.get(), std::move(configuration));
// Wait for the application to attach the listener.
latch.Wait();
fml::TaskRunner::RunNowOrPostTask(
shell->GetTaskRunners().GetUITaskRunner(), [&]() {
shell->GetEngine()->ScheduleSecondaryVsyncCallback(0, [&]() {
EXPECT_TRUE(is_on_begin_frame_called);
EXPECT_FALSE(is_secondary_callback_called);
is_secondary_callback_called = true;
count_down_latch.CountDown();
});
shell->GetEngine()->ScheduleFrame();
});
count_down_latch.Wait();
EXPECT_TRUE(is_on_begin_frame_called);
EXPECT_TRUE(is_secondary_callback_called);
DestroyShell(std::move(shell), task_runners);
}
static void LogSkData(const sk_sp<SkData>& data, const char* title) {
FML_LOG(ERROR) << "---------- " << title;
std::ostringstream ostr;
for (size_t i = 0; i < data->size();) {
ostr << std::hex << std::setfill('0') << std::setw(2)
<< static_cast<int>(data->bytes()[i]) << " ";
i++;
if (i % 16 == 0 || i == data->size()) {
FML_LOG(ERROR) << ostr.str();
ostr.str("");
ostr.clear();
}
}
}
TEST_F(ShellTest, Screenshot) {
auto settings = CreateSettingsForFixture();
fml::AutoResetWaitableEvent firstFrameLatch;
settings.frame_rasterized_callback =
[&firstFrameLatch](const FrameTiming& t) { firstFrameLatch.Signal(); };
std::unique_ptr<Shell> shell = CreateShell(settings);
// Create the surface needed by rasterizer
PlatformViewNotifyCreated(shell.get());
auto configuration = RunConfiguration::InferFromSettings(settings);
configuration.SetEntrypoint("emptyMain");
RunEngine(shell.get(), std::move(configuration));
LayerTreeBuilder builder = [&](const std::shared_ptr<ContainerLayer>& root) {
fml::RefPtr<SkiaUnrefQueue> queue = fml::MakeRefCounted<SkiaUnrefQueue>(
this->GetCurrentTaskRunner(), fml::TimeDelta::Zero());
auto display_list_layer = std::make_shared<DisplayListLayer>(
SkPoint::Make(10, 10),
flutter::SkiaGPUObject<DisplayList>(
{MakeSizedDisplayList(80, 80), queue}),
false, false);
root->Add(display_list_layer);
};
PumpOneFrame(shell.get(), 100, 100, builder);
firstFrameLatch.Wait();
std::promise<Rasterizer::Screenshot> screenshot_promise;
auto screenshot_future = screenshot_promise.get_future();
fml::TaskRunner::RunNowOrPostTask(
shell->GetTaskRunners().GetRasterTaskRunner(),
[&screenshot_promise, &shell]() {
auto rasterizer = shell->GetRasterizer();
screenshot_promise.set_value(rasterizer->ScreenshotLastLayerTree(
Rasterizer::ScreenshotType::CompressedImage, false));
});
auto fixtures_dir =
fml::OpenDirectory(GetFixturesPath(), false, fml::FilePermission::kRead);
auto reference_png = fml::FileMapping::CreateReadOnly(
fixtures_dir, "shelltest_screenshot.png");
// Use MakeWithoutCopy instead of MakeWithCString because we don't want to
// encode the null sentinel
sk_sp<SkData> reference_data = SkData::MakeWithoutCopy(
reference_png->GetMapping(), reference_png->GetSize());
sk_sp<SkData> screenshot_data = screenshot_future.get().data;
if (!reference_data->equals(screenshot_data.get())) {
LogSkData(reference_data, "reference");
LogSkData(screenshot_data, "screenshot");
ASSERT_TRUE(false);
}
DestroyShell(std::move(shell));
}
TEST_F(ShellTest, CanConvertToAndFromMappings) {
const size_t buffer_size = 2 << 20;
uint8_t* buffer = static_cast<uint8_t*>(::malloc(buffer_size));
// NOLINTNEXTLINE(clang-analyzer-unix.Malloc)
ASSERT_TRUE(buffer != nullptr);
ASSERT_TRUE(MemsetPatternSetOrCheck(
buffer, buffer_size, MemsetPatternOp::kMemsetPatternOpSetBuffer));
std::unique_ptr<fml::Mapping> mapping =
std::make_unique<fml::MallocMapping>(buffer, buffer_size);
ASSERT_EQ(mapping->GetSize(), buffer_size);
fml::AutoResetWaitableEvent latch;
AddNativeCallback(
"SendFixtureMapping", CREATE_NATIVE_ENTRY([&](auto args) {
auto mapping_from_dart =
tonic::DartConverter<std::unique_ptr<fml::Mapping>>::FromDart(
Dart_GetNativeArgument(args, 0));
ASSERT_NE(mapping_from_dart, nullptr);
ASSERT_EQ(mapping_from_dart->GetSize(), buffer_size);
ASSERT_TRUE(MemsetPatternSetOrCheck(
const_cast<uint8_t*>(mapping_from_dart->GetMapping()), // buffer
mapping_from_dart->GetSize(), // size
MemsetPatternOp::kMemsetPatternOpCheckBuffer // op
));
latch.Signal();
}));
AddNativeCallback(
"GetFixtureMapping", CREATE_NATIVE_ENTRY([&](auto args) {
tonic::DartConverter<tonic::DartConverterMapping>::SetReturnValue(
args, mapping);
}));
auto settings = CreateSettingsForFixture();
auto configuration = RunConfiguration::InferFromSettings(settings);
configuration.SetEntrypoint("canConvertMappings");
std::unique_ptr<Shell> shell = CreateShell(settings);
ASSERT_NE(shell.get(), nullptr);
RunEngine(shell.get(), std::move(configuration));
latch.Wait();
DestroyShell(std::move(shell));
}
// Compares local times as seen by the dart isolate and as seen by this test
// fixture, to a resolution of 1 hour.
//
// This verifies that (1) the isolate is able to get a timezone (doesn't lock
// up for example), and (2) that the host and the isolate agree on what the
// timezone is.
TEST_F(ShellTest, LocaltimesMatch) {
fml::AutoResetWaitableEvent latch;
std::string dart_isolate_time_str;
// See fixtures/shell_test.dart, the callback NotifyLocalTime is declared
// there.
AddNativeCallback("NotifyLocalTime", CREATE_NATIVE_ENTRY([&](auto args) {
dart_isolate_time_str =
tonic::DartConverter<std::string>::FromDart(
Dart_GetNativeArgument(args, 0));
latch.Signal();
}));
auto settings = CreateSettingsForFixture();
auto configuration = RunConfiguration::InferFromSettings(settings);
configuration.SetEntrypoint("localtimesMatch");
std::unique_ptr<Shell> shell = CreateShell(settings);
ASSERT_NE(shell.get(), nullptr);
RunEngine(shell.get(), std::move(configuration));
latch.Wait();
char timestr[200];
const time_t timestamp = time(nullptr);
const struct tm* local_time = localtime(&timestamp);
ASSERT_NE(local_time, nullptr)
<< "Could not get local time: errno=" << errno << ": " << strerror(errno);
// Example: "2020-02-26 14" for 2pm on February 26, 2020.
const size_t format_size =
strftime(timestr, sizeof(timestr), "%Y-%m-%d %H", local_time);
ASSERT_NE(format_size, 0UL)
<< "strftime failed: host time: " << std::string(timestr)
<< " dart isolate time: " << dart_isolate_time_str;
const std::string host_local_time_str = timestr;
ASSERT_EQ(dart_isolate_time_str, host_local_time_str)
<< "Local times in the dart isolate and the local time seen by the test "
<< "differ by more than 1 hour, but are expected to be about equal";
DestroyShell(std::move(shell));
}
TEST_F(ShellTest, CanDecompressImageFromAsset) {
fml::AutoResetWaitableEvent latch;
AddNativeCallback("NotifyWidthHeight", CREATE_NATIVE_ENTRY([&](auto args) {
auto width = tonic::DartConverter<int>::FromDart(
Dart_GetNativeArgument(args, 0));
auto height = tonic::DartConverter<int>::FromDart(
Dart_GetNativeArgument(args, 1));
ASSERT_EQ(width, 100);
ASSERT_EQ(height, 100);
latch.Signal();
}));
AddNativeCallback(
"GetFixtureImage", CREATE_NATIVE_ENTRY([](auto args) {
auto fixture = OpenFixtureAsMapping("shelltest_screenshot.png");
tonic::DartConverter<tonic::DartConverterMapping>::SetReturnValue(
args, fixture);
}));
auto settings = CreateSettingsForFixture();
auto configuration = RunConfiguration::InferFromSettings(settings);
configuration.SetEntrypoint("canDecompressImageFromAsset");
std::unique_ptr<Shell> shell = CreateShell(settings);
ASSERT_NE(shell.get(), nullptr);
RunEngine(shell.get(), std::move(configuration));
latch.Wait();
DestroyShell(std::move(shell));
}
/// An image generator that always creates a 1x1 single-frame green image.
class SinglePixelImageGenerator : public ImageGenerator {
public:
SinglePixelImageGenerator()
: info_(SkImageInfo::MakeN32(1, 1, SkAlphaType::kOpaque_SkAlphaType)){};
~SinglePixelImageGenerator() = default;
const SkImageInfo& GetInfo() { return info_; }
unsigned int GetFrameCount() const { return 1; }
unsigned int GetPlayCount() const { return 1; }
const ImageGenerator::FrameInfo GetFrameInfo(unsigned int frame_index) const {
return {std::nullopt, 0, SkCodecAnimation::DisposalMethod::kKeep};
}
SkISize GetScaledDimensions(float scale) {
return SkISize::Make(info_.width(), info_.height());
}
bool GetPixels(const SkImageInfo& info,
void* pixels,
size_t row_bytes,
unsigned int frame_index,
std::optional<unsigned int> prior_frame) {
assert(info.width() == 1);
assert(info.height() == 1);
assert(row_bytes == 4);
reinterpret_cast<uint32_t*>(pixels)[0] = 0x00ff00ff;
return true;
};
private:
SkImageInfo info_;
};
TEST_F(ShellTest, CanRegisterImageDecoders) {
fml::AutoResetWaitableEvent latch;
AddNativeCallback("NotifyWidthHeight", CREATE_NATIVE_ENTRY([&](auto args) {
auto width = tonic::DartConverter<int>::FromDart(
Dart_GetNativeArgument(args, 0));
auto height = tonic::DartConverter<int>::FromDart(
Dart_GetNativeArgument(args, 1));
ASSERT_EQ(width, 1);
ASSERT_EQ(height, 1);
latch.Signal();
}));
auto settings = CreateSettingsForFixture();
auto configuration = RunConfiguration::InferFromSettings(settings);
configuration.SetEntrypoint("canRegisterImageDecoders");
std::unique_ptr<Shell> shell = CreateShell(settings);
ASSERT_NE(shell.get(), nullptr);
fml::TaskRunner::RunNowOrPostTask(
shell->GetTaskRunners().GetPlatformTaskRunner(), [&shell]() {
shell->RegisterImageDecoder(
[](const sk_sp<SkData>& buffer) {
return std::make_unique<SinglePixelImageGenerator>();
},
100);
});
RunEngine(shell.get(), std::move(configuration));
latch.Wait();
DestroyShell(std::move(shell));
}
TEST_F(ShellTest, OnServiceProtocolGetSkSLsWorks) {
fml::ScopedTemporaryDirectory base_dir;
ASSERT_TRUE(base_dir.fd().is_valid());
PersistentCache::SetCacheDirectoryPath(base_dir.path());
PersistentCache::ResetCacheForProcess();
// Create 2 dummy SkSL cache file IE (base32 encoding of A), II (base32
// encoding of B) with content x and y.
std::vector<std::string> components = {
"flutter_engine", GetFlutterEngineVersion(), "skia", GetSkiaVersion(),
PersistentCache::kSkSLSubdirName};
auto sksl_dir = fml::CreateDirectory(base_dir.fd(), components,
fml::FilePermission::kReadWrite);
const std::string x_key_str = "A";
const std::string x_value_str = "x";
sk_sp<SkData> x_key =
SkData::MakeWithCopy(x_key_str.data(), x_key_str.size());
sk_sp<SkData> x_value =
SkData::MakeWithCopy(x_value_str.data(), x_value_str.size());
auto x_data = PersistentCache::BuildCacheObject(*x_key, *x_value);
const std::string y_key_str = "B";
const std::string y_value_str = "y";
sk_sp<SkData> y_key =
SkData::MakeWithCopy(y_key_str.data(), y_key_str.size());
sk_sp<SkData> y_value =
SkData::MakeWithCopy(y_value_str.data(), y_value_str.size());
auto y_data = PersistentCache::BuildCacheObject(*y_key, *y_value);
ASSERT_TRUE(fml::WriteAtomically(sksl_dir, "x_cache", *x_data));
ASSERT_TRUE(fml::WriteAtomically(sksl_dir, "y_cache", *y_data));
Settings settings = CreateSettingsForFixture();
std::unique_ptr<Shell> shell = CreateShell(settings);
ServiceProtocol::Handler::ServiceProtocolMap empty_params;
rapidjson::Document document;
OnServiceProtocol(shell.get(), ServiceProtocolEnum::kGetSkSLs,
shell->GetTaskRunners().GetIOTaskRunner(), empty_params,
&document);
rapidjson::StringBuffer buffer;
rapidjson::Writer<rapidjson::StringBuffer> writer(buffer);
document.Accept(writer);
DestroyShell(std::move(shell));
const std::string expected_json1 =
"{\"type\":\"GetSkSLs\",\"SkSLs\":{\"II\":\"eQ==\",\"IE\":\"eA==\"}}";
const std::string expected_json2 =
"{\"type\":\"GetSkSLs\",\"SkSLs\":{\"IE\":\"eA==\",\"II\":\"eQ==\"}}";
bool json_is_expected = (expected_json1 == buffer.GetString()) ||
(expected_json2 == buffer.GetString());
ASSERT_TRUE(json_is_expected) << buffer.GetString() << " is not equal to "
<< expected_json1 << " or " << expected_json2;
}
TEST_F(ShellTest, RasterizerScreenshot) {
Settings settings = CreateSettingsForFixture();
auto configuration = RunConfiguration::InferFromSettings(settings);
auto task_runner = CreateNewThread();
TaskRunners task_runners("test", task_runner, task_runner, task_runner,
task_runner);
std::unique_ptr<Shell> shell = CreateShell(settings, task_runners);
ASSERT_TRUE(ValidateShell(shell.get()));
PlatformViewNotifyCreated(shell.get());
RunEngine(shell.get(), std::move(configuration));
auto latch = std::make_shared<fml::AutoResetWaitableEvent>();
PumpOneFrame(shell.get());
fml::TaskRunner::RunNowOrPostTask(
shell->GetTaskRunners().GetRasterTaskRunner(), [&shell, &latch]() {
Rasterizer::Screenshot screenshot =
shell->GetRasterizer()->ScreenshotLastLayerTree(
Rasterizer::ScreenshotType::CompressedImage, true);
EXPECT_NE(screenshot.data, nullptr);
latch->Signal();
});
latch->Wait();
DestroyShell(std::move(shell), task_runners);
}
TEST_F(ShellTest, RasterizerMakeRasterSnapshot) {
Settings settings = CreateSettingsForFixture();
auto configuration = RunConfiguration::InferFromSettings(settings);
auto task_runner = CreateNewThread();
TaskRunners task_runners("test", task_runner, task_runner, task_runner,
task_runner);
std::unique_ptr<Shell> shell = CreateShell(settings, task_runners);
ASSERT_TRUE(ValidateShell(shell.get()));
PlatformViewNotifyCreated(shell.get());
RunEngine(shell.get(), std::move(configuration));
auto latch = std::make_shared<fml::AutoResetWaitableEvent>();
PumpOneFrame(shell.get());
fml::TaskRunner::RunNowOrPostTask(
shell->GetTaskRunners().GetRasterTaskRunner(), [&shell, &latch]() {
SnapshotDelegate* delegate =
reinterpret_cast<Rasterizer*>(shell->GetRasterizer().get());
sk_sp<DlImage> image = delegate->MakeRasterSnapshot(
MakeSizedDisplayList(50, 50), SkISize::Make(50, 50));
EXPECT_NE(image, nullptr);
latch->Signal();
});
latch->Wait();
DestroyShell(std::move(shell), task_runners);
}
TEST_F(ShellTest, OnServiceProtocolEstimateRasterCacheMemoryWorks) {
Settings settings = CreateSettingsForFixture();
std::unique_ptr<Shell> shell = CreateShell(settings);
// 1. Construct a picture and a picture layer to be raster cached.
sk_sp<DisplayList> display_list = MakeSizedDisplayList(10, 10);
fml::RefPtr<SkiaUnrefQueue> queue = fml::MakeRefCounted<SkiaUnrefQueue>(
GetCurrentTaskRunner(), fml::TimeDelta::Zero());
auto display_list_layer = std::make_shared<DisplayListLayer>(
SkPoint::Make(0, 0),
flutter::SkiaGPUObject<DisplayList>(
{MakeSizedDisplayList(100, 100), queue}),
false, false);
display_list_layer->set_paint_bounds(SkRect::MakeWH(100, 100));
// 2. Rasterize the picture and the picture layer in the raster cache.
std::promise<bool> rasterized;
shell->GetTaskRunners().GetRasterTaskRunner()->PostTask(
[&shell, &rasterized, &display_list, &display_list_layer] {
std::vector<RasterCacheItem*> raster_cache_items;
auto* compositor_context = shell->GetRasterizer()->compositor_context();
auto& raster_cache = compositor_context->raster_cache();
FixedRefreshRateStopwatch raster_time;
FixedRefreshRateStopwatch ui_time;
MutatorsStack mutators_stack;
PaintContext paint_context = {
// clang-format off
.internal_nodes_canvas = nullptr,
.leaf_nodes_canvas = nullptr,
.gr_context = nullptr,
.dst_color_space = nullptr,
.view_embedder = nullptr,
.raster_time = raster_time,
.ui_time = ui_time,
.texture_registry = nullptr,
.raster_cache = &raster_cache,
.checkerboard_offscreen_layers = false,
.frame_device_pixel_ratio = 1.0f,
.inherited_opacity = SK_Scalar1,
// clang-format on
};
PrerollContext preroll_context = {
// clang-format off
.raster_cache = &raster_cache,
.gr_context = nullptr,
.view_embedder = nullptr,
.mutators_stack = mutators_stack,
.dst_color_space = nullptr,
.cull_rect = kGiantRect,
.surface_needs_readback = false,
.raster_time = raster_time,
.ui_time = ui_time,
.texture_registry = nullptr,
.checkerboard_offscreen_layers = false,
.frame_device_pixel_ratio = 1.0f,
.has_platform_view = false,
.has_texture_layer = false,
.raster_cached_entries = &raster_cache_items,
// clang-format on
};
// 2.1. Rasterize the picture. Call Draw multiple times to pass the
// access threshold (default to 3) so a cache can be generated.
SkCanvas dummy_canvas;
SkPaint paint;
bool picture_cache_generated;
DisplayListRasterCacheItem display_list_raster_cache_item(
display_list.get(), SkPoint(), true, false);
for (int i = 0; i < 4; i += 1) {
SkMatrix matrix = SkMatrix::I();
display_list_raster_cache_item.PrerollSetup(&preroll_context, matrix);
display_list_raster_cache_item.PrerollFinalize(&preroll_context,
matrix);
picture_cache_generated =
display_list_raster_cache_item.need_caching();
display_list_raster_cache_item.TryToPrepareRasterCache(paint_context);
display_list_raster_cache_item.Draw(paint_context, &dummy_canvas,
&paint);
}
ASSERT_TRUE(picture_cache_generated);
// 2.2. Rasterize the picture layer.
LayerRasterCacheItem layer_raster_cache_item(display_list_layer.get());
layer_raster_cache_item.PrerollSetup(&preroll_context, SkMatrix::I());
layer_raster_cache_item.PrerollFinalize(&preroll_context,
SkMatrix::I());
layer_raster_cache_item.TryToPrepareRasterCache(paint_context);
layer_raster_cache_item.Draw(paint_context, &dummy_canvas, &paint);
rasterized.set_value(true);
});
rasterized.get_future().wait();
// 3. Call the service protocol and check its output.
ServiceProtocol::Handler::ServiceProtocolMap empty_params;
rapidjson::Document document;
OnServiceProtocol(
shell.get(), ServiceProtocolEnum::kEstimateRasterCacheMemory,
shell->GetTaskRunners().GetRasterTaskRunner(), empty_params, &document);
rapidjson::StringBuffer buffer;
rapidjson::Writer<rapidjson::StringBuffer> writer(buffer);
document.Accept(writer);
std::string expected_json =
"{\"type\":\"EstimateRasterCacheMemory\",\"layerBytes\":40000,\"picture"
"Bytes\":400}";
std::string actual_json = buffer.GetString();
ASSERT_EQ(actual_json, expected_json);
DestroyShell(std::move(shell));
}
// ktz
TEST_F(ShellTest, OnServiceProtocolRenderFrameWithRasterStatsWorks) {
auto settings = CreateSettingsForFixture();
std::unique_ptr<Shell> shell = CreateShell(settings);
// Create the surface needed by rasterizer
PlatformViewNotifyCreated(shell.get());
auto configuration = RunConfiguration::InferFromSettings(settings);
configuration.SetEntrypoint("scene_with_red_box");
RunEngine(shell.get(), std::move(configuration));
PumpOneFrame(shell.get());
ServiceProtocol::Handler::ServiceProtocolMap empty_params;
rapidjson::Document document;
OnServiceProtocol(
shell.get(), ServiceProtocolEnum::kRenderFrameWithRasterStats,
shell->GetTaskRunners().GetRasterTaskRunner(), empty_params, &document);
rapidjson::StringBuffer buffer;
rapidjson::Writer<rapidjson::StringBuffer> writer(buffer);
document.Accept(writer);
// It would be better to parse out the json and check for the validity of
// fields. Below checks approximate what needs to be checked, this can not be
// an exact check since duration will not exactly match.
std::string expected_json =
"\"snapshot\":[137,80,78,71,13,10,26,10,0,"
"0,0,13,73,72,68,82,0,0,0,1,0,0,0,1,8,6,0,0,0,31,21,196,137,0,0,0,1,115,"
"82,71,66,0,174,206,28,233,0,0,0,4,115,66,73,84,8,8,8,8,124,8,100,136,0,"
"0,0,13,73,68,65,84,8,153,99,248,207,192,240,31,0,5,0,1,255,171,206,54,"
"137,0,0,0,0,73,69,78,68,174,66,96,130]";
std::string actual_json = buffer.GetString();
EXPECT_THAT(actual_json, ::testing::HasSubstr(expected_json));
EXPECT_THAT(actual_json,
::testing::HasSubstr("{\"type\":\"RenderFrameWithRasterStats\""));
EXPECT_THAT(actual_json, ::testing::HasSubstr("\"duration_micros\""));
PlatformViewNotifyDestroyed(shell.get());
DestroyShell(std::move(shell));
}
// TODO(https://github.com/flutter/flutter/issues/100273): Disabled due to
// flakiness.
// TODO(https://github.com/flutter/flutter/issues/100299): Fix it when
// re-enabling.
TEST_F(ShellTest, DISABLED_DiscardLayerTreeOnResize) {
auto settings = CreateSettingsForFixture();
SkISize wrong_size = SkISize::Make(400, 100);
SkISize expected_size = SkISize::Make(400, 200);
fml::AutoResetWaitableEvent end_frame_latch;
auto end_frame_callback =
[&](bool should_merge_thread,
const fml::RefPtr<fml::RasterThreadMerger>& raster_thread_merger) {
end_frame_latch.Signal();
};
auto external_view_embedder = std::make_shared<ShellTestExternalViewEmbedder>(
std::move(end_frame_callback), PostPrerollResult::kSuccess, false);
std::unique_ptr<Shell> shell = CreateShell(
settings, GetTaskRunnersForFixture(), false, external_view_embedder);
// Create the surface needed by rasterizer
PlatformViewNotifyCreated(shell.get());
fml::TaskRunner::RunNowOrPostTask(
shell->GetTaskRunners().GetPlatformTaskRunner(),
[&shell, &expected_size]() {
shell->GetPlatformView()->SetViewportMetrics(
{1.0, static_cast<double>(expected_size.width()),
static_cast<double>(expected_size.height()), 22});
});
auto configuration = RunConfiguration::InferFromSettings(settings);
configuration.SetEntrypoint("emptyMain");
RunEngine(shell.get(), std::move(configuration));
PumpOneFrame(shell.get(), static_cast<double>(wrong_size.width()),
static_cast<double>(wrong_size.height()));
end_frame_latch.Wait();
// Wrong size, no frames are submitted.
ASSERT_EQ(0, external_view_embedder->GetSubmittedFrameCount());
PumpOneFrame(shell.get(), static_cast<double>(expected_size.width()),
static_cast<double>(expected_size.height()));
end_frame_latch.Wait();
// Expected size, 1 frame submitted.
ASSERT_EQ(1, external_view_embedder->GetSubmittedFrameCount());
ASSERT_EQ(expected_size, external_view_embedder->GetLastSubmittedFrameSize());
PlatformViewNotifyDestroyed(shell.get());
DestroyShell(std::move(shell));
}
// TODO(https://github.com/flutter/flutter/issues/100273): Disabled due to
// flakiness.
// TODO(https://github.com/flutter/flutter/issues/100299): Fix it when
// re-enabling.
TEST_F(ShellTest, DISABLED_DiscardResubmittedLayerTreeOnResize) {
auto settings = CreateSettingsForFixture();
SkISize origin_size = SkISize::Make(400, 100);
SkISize new_size = SkISize::Make(400, 200);
fml::AutoResetWaitableEvent end_frame_latch;
fml::AutoResetWaitableEvent resize_latch;
std::shared_ptr<ShellTestExternalViewEmbedder> external_view_embedder;
fml::RefPtr<fml::RasterThreadMerger> raster_thread_merger_ref;
auto end_frame_callback =
[&](bool should_merge_thread,
const fml::RefPtr<fml::RasterThreadMerger>& raster_thread_merger) {
if (!raster_thread_merger_ref) {
raster_thread_merger_ref = raster_thread_merger;
}
if (should_merge_thread) {
raster_thread_merger->MergeWithLease(10);
external_view_embedder->UpdatePostPrerollResult(
PostPrerollResult::kSuccess);
}
end_frame_latch.Signal();
if (should_merge_thread) {
resize_latch.Wait();
}
};
external_view_embedder = std::make_shared<ShellTestExternalViewEmbedder>(
std::move(end_frame_callback), PostPrerollResult::kResubmitFrame, true);
std::unique_ptr<Shell> shell = CreateShell(
settings, GetTaskRunnersForFixture(), false, external_view_embedder);
// Create the surface needed by rasterizer
PlatformViewNotifyCreated(shell.get());
fml::TaskRunner::RunNowOrPostTask(
shell->GetTaskRunners().GetPlatformTaskRunner(),
[&shell, &origin_size]() {
shell->GetPlatformView()->SetViewportMetrics(
{1.0, static_cast<double>(origin_size.width()),
static_cast<double>(origin_size.height()), 22});
});
auto configuration = RunConfiguration::InferFromSettings(settings);
configuration.SetEntrypoint("emptyMain");
RunEngine(shell.get(), std::move(configuration));
PumpOneFrame(shell.get(), static_cast<double>(origin_size.width()),
static_cast<double>(origin_size.height()));
end_frame_latch.Wait();
ASSERT_EQ(0, external_view_embedder->GetSubmittedFrameCount());
fml::TaskRunner::RunNowOrPostTask(
shell->GetTaskRunners().GetPlatformTaskRunner(),
[&shell, &new_size, &resize_latch]() {
shell->GetPlatformView()->SetViewportMetrics(
{1.0, static_cast<double>(new_size.width()),
static_cast<double>(new_size.height()), 22});
resize_latch.Signal();
});
end_frame_latch.Wait();
// The frame resubmitted with origin size should be discarded after the
// viewport metrics changed.
ASSERT_EQ(0, external_view_embedder->GetSubmittedFrameCount());
// Threads will be merged at the end of this frame.
PumpOneFrame(shell.get(), static_cast<double>(new_size.width()),
static_cast<double>(new_size.height()));
end_frame_latch.Wait();
ASSERT_TRUE(raster_thread_merger_ref->IsMerged());
ASSERT_EQ(1, external_view_embedder->GetSubmittedFrameCount());
ASSERT_EQ(new_size, external_view_embedder->GetLastSubmittedFrameSize());
PlatformViewNotifyDestroyed(shell.get());
DestroyShell(std::move(shell));
}
TEST_F(ShellTest, IgnoresInvalidMetrics) {
fml::AutoResetWaitableEvent latch;
double last_device_pixel_ratio;
double last_width;
double last_height;
auto native_report_device_pixel_ratio = [&](Dart_NativeArguments args) {
auto dpr_handle = Dart_GetNativeArgument(args, 0);
ASSERT_TRUE(Dart_IsDouble(dpr_handle));
Dart_DoubleValue(dpr_handle, &last_device_pixel_ratio);
ASSERT_FALSE(last_device_pixel_ratio == 0.0);
auto width_handle = Dart_GetNativeArgument(args, 1);
ASSERT_TRUE(Dart_IsDouble(width_handle));
Dart_DoubleValue(width_handle, &last_width);
ASSERT_FALSE(last_width == 0.0);
auto height_handle = Dart_GetNativeArgument(args, 2);
ASSERT_TRUE(Dart_IsDouble(height_handle));
Dart_DoubleValue(height_handle, &last_height);
ASSERT_FALSE(last_height == 0.0);
latch.Signal();
};
Settings settings = CreateSettingsForFixture();
auto task_runner = CreateNewThread();
TaskRunners task_runners("test", task_runner, task_runner, task_runner,
task_runner);
AddNativeCallback("ReportMetrics",
CREATE_NATIVE_ENTRY(native_report_device_pixel_ratio));
std::unique_ptr<Shell> shell = CreateShell(settings, task_runners);
auto configuration = RunConfiguration::InferFromSettings(settings);
configuration.SetEntrypoint("reportMetrics");
RunEngine(shell.get(), std::move(configuration));
task_runner->PostTask([&]() {
shell->GetPlatformView()->SetViewportMetrics({0.0, 400, 200, 22});
task_runner->PostTask([&]() {
shell->GetPlatformView()->SetViewportMetrics({0.8, 0.0, 200, 22});
task_runner->PostTask([&]() {
shell->GetPlatformView()->SetViewportMetrics({0.8, 400, 0.0, 22});
task_runner->PostTask([&]() {
shell->GetPlatformView()->SetViewportMetrics({0.8, 400, 200.0, 22});
});
});
});
});
latch.Wait();
ASSERT_EQ(last_device_pixel_ratio, 0.8);
ASSERT_EQ(last_width, 400.0);
ASSERT_EQ(last_height, 200.0);
latch.Reset();
task_runner->PostTask([&]() {
shell->GetPlatformView()->SetViewportMetrics({1.2, 600, 300, 22});
});
latch.Wait();
ASSERT_EQ(last_device_pixel_ratio, 1.2);
ASSERT_EQ(last_width, 600.0);
ASSERT_EQ(last_height, 300.0);
DestroyShell(std::move(shell), task_runners);
}
TEST_F(ShellTest, OnServiceProtocolSetAssetBundlePathWorks) {
Settings settings = CreateSettingsForFixture();
std::unique_ptr<Shell> shell = CreateShell(settings);
RunConfiguration configuration =
RunConfiguration::InferFromSettings(settings);
configuration.SetEntrypoint("canAccessResourceFromAssetDir");
// Verify isolate can load a known resource with the
// default asset directory - kernel_blob.bin
fml::AutoResetWaitableEvent latch;
// Callback used to signal whether the resource was loaded successfully.
bool can_access_resource = false;
auto native_can_access_resource = [&can_access_resource,
&latch](Dart_NativeArguments args) {
Dart_Handle exception = nullptr;
can_access_resource =
tonic::DartConverter<bool>::FromArguments(args, 0, exception);
latch.Signal();
};
AddNativeCallback("NotifyCanAccessResource",
CREATE_NATIVE_ENTRY(native_can_access_resource));
// Callback used to delay the asset load until after the service
// protocol method has finished.
auto native_notify_set_asset_bundle_path =
[&shell](Dart_NativeArguments args) {
// Update the asset directory to a bonus path.
ServiceProtocol::Handler::ServiceProtocolMap params;
params["assetDirectory"] = "assetDirectory";
rapidjson::Document document;
OnServiceProtocol(shell.get(), ServiceProtocolEnum::kSetAssetBundlePath,
shell->GetTaskRunners().GetUITaskRunner(), params,
&document);
rapidjson::StringBuffer buffer;
rapidjson::Writer<rapidjson::StringBuffer> writer(buffer);
document.Accept(writer);
};
AddNativeCallback("NotifySetAssetBundlePath",
CREATE_NATIVE_ENTRY(native_notify_set_asset_bundle_path));
RunEngine(shell.get(), std::move(configuration));
latch.Wait();
ASSERT_TRUE(can_access_resource);
DestroyShell(std::move(shell));
}
TEST_F(ShellTest, EngineRootIsolateLaunchesDontTakeVMDataSettings) {
ASSERT_FALSE(DartVMRef::IsInstanceRunning());
// Make sure the shell launch does not kick off the creation of the VM
// instance by already creating one upfront.
auto vm_settings = CreateSettingsForFixture();
auto vm_ref = DartVMRef::Create(vm_settings);
ASSERT_TRUE(DartVMRef::IsInstanceRunning());
auto settings = vm_settings;
fml::AutoResetWaitableEvent isolate_create_latch;
settings.root_isolate_create_callback = [&](const auto& isolate) {
isolate_create_latch.Signal();
};
auto shell = CreateShell(settings);
ASSERT_TRUE(ValidateShell(shell.get()));
auto configuration = RunConfiguration::InferFromSettings(settings);
ASSERT_TRUE(configuration.IsValid());
RunEngine(shell.get(), std::move(configuration));
ASSERT_TRUE(DartVMRef::IsInstanceRunning());
DestroyShell(std::move(shell));
isolate_create_latch.Wait();
}
TEST_F(ShellTest, AssetManagerSingle) {
fml::ScopedTemporaryDirectory asset_dir;
fml::UniqueFD asset_dir_fd = fml::OpenDirectory(
asset_dir.path().c_str(), false, fml::FilePermission::kRead);
std::string filename = "test_name";
std::string content = "test_content";
bool success = fml::WriteAtomically(asset_dir_fd, filename.c_str(),
fml::DataMapping(content));
ASSERT_TRUE(success);
AssetManager asset_manager;
asset_manager.PushBack(
std::make_unique<DirectoryAssetBundle>(std::move(asset_dir_fd), false));
auto mapping = asset_manager.GetAsMapping(filename);
ASSERT_TRUE(mapping != nullptr);
std::string result(reinterpret_cast<const char*>(mapping->GetMapping()),
mapping->GetSize());
ASSERT_TRUE(result == content);
}
TEST_F(ShellTest, AssetManagerMulti) {
fml::ScopedTemporaryDirectory asset_dir;
fml::UniqueFD asset_dir_fd = fml::OpenDirectory(
asset_dir.path().c_str(), false, fml::FilePermission::kRead);
std::vector<std::string> filenames = {
"good0",
"bad0",
"good1",
"bad1",
};
for (auto filename : filenames) {
bool success = fml::WriteAtomically(asset_dir_fd, filename.c_str(),
fml::DataMapping(filename));
ASSERT_TRUE(success);
}
AssetManager asset_manager;
asset_manager.PushBack(
std::make_unique<DirectoryAssetBundle>(std::move(asset_dir_fd), false));
auto mappings = asset_manager.GetAsMappings("(.*)", std::nullopt);
EXPECT_EQ(mappings.size(), 4u);
std::vector<std::string> expected_results = {
"good0",
"good1",
};
mappings = asset_manager.GetAsMappings("(.*)good(.*)", std::nullopt);
ASSERT_EQ(mappings.size(), expected_results.size());
for (auto& mapping : mappings) {
std::string result(reinterpret_cast<const char*>(mapping->GetMapping()),
mapping->GetSize());
EXPECT_NE(
std::find(expected_results.begin(), expected_results.end(), result),
expected_results.end());
}
}
#if defined(OS_FUCHSIA)
TEST_F(ShellTest, AssetManagerMultiSubdir) {
std::string subdir_path = "subdir";
fml::ScopedTemporaryDirectory asset_dir;
fml::UniqueFD asset_dir_fd = fml::OpenDirectory(
asset_dir.path().c_str(), false, fml::FilePermission::kRead);
fml::UniqueFD subdir_fd =
fml::OpenDirectory((asset_dir.path() + "/" + subdir_path).c_str(), true,
fml::FilePermission::kReadWrite);
std::vector<std::string> filenames = {
"bad0",
"notgood", // this is to make sure the pattern (.*)good(.*) only
// matches things in the subdirectory
};
std::vector<std::string> subdir_filenames = {
"good0",
"good1",
"bad1",
};
for (auto filename : filenames) {
bool success = fml::WriteAtomically(asset_dir_fd, filename.c_str(),
fml::DataMapping(filename));
ASSERT_TRUE(success);
}
for (auto filename : subdir_filenames) {
bool success = fml::WriteAtomically(subdir_fd, filename.c_str(),
fml::DataMapping(filename));
ASSERT_TRUE(success);
}
AssetManager asset_manager;
asset_manager.PushBack(
std::make_unique<DirectoryAssetBundle>(std::move(asset_dir_fd), false));
auto mappings = asset_manager.GetAsMappings("(.*)", std::nullopt);
EXPECT_EQ(mappings.size(), 5u);
mappings = asset_manager.GetAsMappings("(.*)", subdir_path);
EXPECT_EQ(mappings.size(), 3u);
std::vector<std::string> expected_results = {
"good0",
"good1",
};
mappings = asset_manager.GetAsMappings("(.*)good(.*)", subdir_path);
ASSERT_EQ(mappings.size(), expected_results.size());
for (auto& mapping : mappings) {
std::string result(reinterpret_cast<const char*>(mapping->GetMapping()),
mapping->GetSize());
ASSERT_NE(
std::find(expected_results.begin(), expected_results.end(), result),
expected_results.end());
}
}
#endif // OS_FUCHSIA
TEST_F(ShellTest, Spawn) {
auto settings = CreateSettingsForFixture();
auto shell = CreateShell(settings);
ASSERT_TRUE(ValidateShell(shell.get()));
auto configuration = RunConfiguration::InferFromSettings(settings);
ASSERT_TRUE(configuration.IsValid());
configuration.SetEntrypoint("fixturesAreFunctionalMain");
auto second_configuration = RunConfiguration::InferFromSettings(settings);
ASSERT_TRUE(second_configuration.IsValid());
second_configuration.SetEntrypoint("testCanLaunchSecondaryIsolate");
const std::string initial_route("/foo");
fml::AutoResetWaitableEvent main_latch;
std::string last_entry_point;
// Fulfill native function for the first Shell's entrypoint.
AddNativeCallback(
"SayHiFromFixturesAreFunctionalMain", CREATE_NATIVE_ENTRY([&](auto args) {
last_entry_point = shell->GetEngine()->GetLastEntrypoint();
main_latch.Signal();
}));
// Fulfill native function for the second Shell's entrypoint.
fml::CountDownLatch second_latch(2);
AddNativeCallback(
// The Dart native function names aren't very consistent but this is
// just the native function name of the second vm entrypoint in the
// fixture.
"NotifyNative",
CREATE_NATIVE_ENTRY([&](auto args) { second_latch.CountDown(); }));
RunEngine(shell.get(), std::move(configuration));
main_latch.Wait();
ASSERT_TRUE(DartVMRef::IsInstanceRunning());
// Check first Shell ran the first entrypoint.
ASSERT_EQ("fixturesAreFunctionalMain", last_entry_point);
PostSync(
shell->GetTaskRunners().GetPlatformTaskRunner(),
[this, &spawner = shell, &second_configuration, &second_latch,
initial_route]() {
MockPlatformViewDelegate platform_view_delegate;
auto spawn = spawner->Spawn(
std::move(second_configuration), initial_route,
[&platform_view_delegate](Shell& shell) {
auto result = std::make_unique<MockPlatformView>(
platform_view_delegate, shell.GetTaskRunners());
ON_CALL(*result, CreateRenderingSurface())
.WillByDefault(::testing::Invoke(
[] { return std::make_unique<MockSurface>(); }));
return result;
},
[](Shell& shell) { return std::make_unique<Rasterizer>(shell); });
ASSERT_NE(nullptr, spawn.get());
ASSERT_TRUE(ValidateShell(spawn.get()));
PostSync(spawner->GetTaskRunners().GetUITaskRunner(), [&spawn, &spawner,
initial_route] {
// Check second shell ran the second entrypoint.
ASSERT_EQ("testCanLaunchSecondaryIsolate",
spawn->GetEngine()->GetLastEntrypoint());
ASSERT_EQ(initial_route, spawn->GetEngine()->InitialRoute());
ASSERT_NE(spawner->GetEngine()
->GetRuntimeController()
->GetRootIsolateGroup(),
0u);
ASSERT_EQ(spawner->GetEngine()
->GetRuntimeController()
->GetRootIsolateGroup(),
spawn->GetEngine()
->GetRuntimeController()
->GetRootIsolateGroup());
auto spawner_snapshot_delegate = spawner->GetEngine()
->GetRuntimeController()
->GetSnapshotDelegate();
auto spawn_snapshot_delegate =
spawn->GetEngine()->GetRuntimeController()->GetSnapshotDelegate();
PostSync(spawner->GetTaskRunners().GetRasterTaskRunner(),
[spawner_snapshot_delegate, spawn_snapshot_delegate] {
ASSERT_NE(spawner_snapshot_delegate.get(),
spawn_snapshot_delegate.get());
});
});
PostSync(
spawner->GetTaskRunners().GetIOTaskRunner(), [&spawner, &spawn] {
ASSERT_EQ(spawner->GetIOManager()->GetResourceContext().get(),
spawn->GetIOManager()->GetResourceContext().get());
});
// Before destroying the shell, wait for expectations of the spawned
// isolate to be met.
second_latch.Wait();
DestroyShell(std::move(spawn));
});
DestroyShell(std::move(shell));
ASSERT_FALSE(DartVMRef::IsInstanceRunning());
}
TEST_F(ShellTest, SpawnWithDartEntrypointArgs) {
auto settings = CreateSettingsForFixture();
auto shell = CreateShell(settings);
ASSERT_TRUE(ValidateShell(shell.get()));
auto configuration = RunConfiguration::InferFromSettings(settings);
ASSERT_TRUE(configuration.IsValid());
configuration.SetEntrypoint("canReceiveArgumentsWhenEngineRun");
const std::vector<std::string> entrypoint_args{"foo", "bar"};
configuration.SetEntrypointArgs(entrypoint_args);
auto second_configuration = RunConfiguration::InferFromSettings(settings);
ASSERT_TRUE(second_configuration.IsValid());
second_configuration.SetEntrypoint("canReceiveArgumentsWhenEngineSpawn");
const std::vector<std::string> second_entrypoint_args{"arg1", "arg2"};
second_configuration.SetEntrypointArgs(second_entrypoint_args);
const std::string initial_route("/foo");
fml::AutoResetWaitableEvent main_latch;
std::string last_entry_point;
// Fulfill native function for the first Shell's entrypoint.
AddNativeCallback("NotifyNativeWhenEngineRun",
CREATE_NATIVE_ENTRY(([&](Dart_NativeArguments args) {
ASSERT_TRUE(tonic::DartConverter<bool>::FromDart(
Dart_GetNativeArgument(args, 0)));
last_entry_point =
shell->GetEngine()->GetLastEntrypoint();
main_latch.Signal();
})));
fml::AutoResetWaitableEvent second_latch;
// Fulfill native function for the second Shell's entrypoint.
AddNativeCallback("NotifyNativeWhenEngineSpawn",
CREATE_NATIVE_ENTRY(([&](Dart_NativeArguments args) {
ASSERT_TRUE(tonic::DartConverter<bool>::FromDart(
Dart_GetNativeArgument(args, 0)));
last_entry_point =
shell->GetEngine()->GetLastEntrypoint();
second_latch.Signal();
})));
RunEngine(shell.get(), std::move(configuration));
main_latch.Wait();
ASSERT_TRUE(DartVMRef::IsInstanceRunning());
// Check first Shell ran the first entrypoint.
ASSERT_EQ("canReceiveArgumentsWhenEngineRun", last_entry_point);
PostSync(
shell->GetTaskRunners().GetPlatformTaskRunner(),
[this, &spawner = shell, &second_configuration, &second_latch,
initial_route]() {
MockPlatformViewDelegate platform_view_delegate;
auto spawn = spawner->Spawn(
std::move(second_configuration), initial_route,
[&platform_view_delegate](Shell& shell) {
auto result = std::make_unique<MockPlatformView>(
platform_view_delegate, shell.GetTaskRunners());
ON_CALL(*result, CreateRenderingSurface())
.WillByDefault(::testing::Invoke(
[] { return std::make_unique<MockSurface>(); }));
return result;
},
[](Shell& shell) { return std::make_unique<Rasterizer>(shell); });
ASSERT_NE(nullptr, spawn.get());
ASSERT_TRUE(ValidateShell(spawn.get()));
PostSync(spawner->GetTaskRunners().GetUITaskRunner(),
[&spawn, &spawner, initial_route] {
// Check second shell ran the second entrypoint.
ASSERT_EQ("canReceiveArgumentsWhenEngineSpawn",
spawn->GetEngine()->GetLastEntrypoint());
ASSERT_EQ(initial_route, spawn->GetEngine()->InitialRoute());
ASSERT_NE(spawner->GetEngine()
->GetRuntimeController()
->GetRootIsolateGroup(),
0u);
ASSERT_EQ(spawner->GetEngine()
->GetRuntimeController()
->GetRootIsolateGroup(),
spawn->GetEngine()
->GetRuntimeController()
->GetRootIsolateGroup());
});
PostSync(
spawner->GetTaskRunners().GetIOTaskRunner(), [&spawner, &spawn] {
ASSERT_EQ(spawner->GetIOManager()->GetResourceContext().get(),
spawn->GetIOManager()->GetResourceContext().get());
});
// Before destroying the shell, wait for expectations of the spawned
// isolate to be met.
second_latch.Wait();
DestroyShell(std::move(spawn));
});
DestroyShell(std::move(shell));
ASSERT_FALSE(DartVMRef::IsInstanceRunning());
}
TEST_F(ShellTest, IOManagerIsSharedBetweenParentAndSpawnedShell) {
auto settings = CreateSettingsForFixture();
auto shell = CreateShell(settings);
ASSERT_TRUE(ValidateShell(shell.get()));
PostSync(shell->GetTaskRunners().GetPlatformTaskRunner(), [this,
&spawner = shell,
&settings] {
auto second_configuration = RunConfiguration::InferFromSettings(settings);
ASSERT_TRUE(second_configuration.IsValid());
second_configuration.SetEntrypoint("emptyMain");
const std::string initial_route("/foo");
MockPlatformViewDelegate platform_view_delegate;
auto spawn = spawner->Spawn(
std::move(second_configuration), initial_route,
[&platform_view_delegate](Shell& shell) {
auto result = std::make_unique<MockPlatformView>(
platform_view_delegate, shell.GetTaskRunners());
ON_CALL(*result, CreateRenderingSurface())
.WillByDefault(::testing::Invoke(
[] { return std::make_unique<MockSurface>(); }));
return result;
},
[](Shell& shell) { return std::make_unique<Rasterizer>(shell); });
ASSERT_TRUE(ValidateShell(spawn.get()));
PostSync(spawner->GetTaskRunners().GetIOTaskRunner(), [&spawner, &spawn] {
ASSERT_NE(spawner->GetIOManager().get(), nullptr);
ASSERT_EQ(spawner->GetIOManager().get(), spawn->GetIOManager().get());
});
// Destroy the child shell.
DestroyShell(std::move(spawn));
});
// Destroy the parent shell.
DestroyShell(std::move(shell));
}
TEST_F(ShellTest, IOManagerInSpawnedShellIsNotNullAfterParentShellDestroyed) {
auto settings = CreateSettingsForFixture();
auto shell = CreateShell(settings);
ASSERT_TRUE(ValidateShell(shell.get()));
PostSync(shell->GetTaskRunners().GetUITaskRunner(), [&shell] {
// We must get engine on UI thread.
auto runtime_controller = shell->GetEngine()->GetRuntimeController();
PostSync(shell->GetTaskRunners().GetIOTaskRunner(),
[&shell, &runtime_controller] {
// We must get io_manager on IO thread.
auto io_manager = runtime_controller->GetIOManager();
// Check io_manager existence.
ASSERT_NE(io_manager.get(), nullptr);
ASSERT_NE(io_manager->GetSkiaUnrefQueue().get(), nullptr);
// Get io_manager directly from shell and check its existence.
ASSERT_NE(shell->GetIOManager().get(), nullptr);
});
});
std::unique_ptr<Shell> spawn;
PostSync(shell->GetTaskRunners().GetPlatformTaskRunner(), [&shell, &settings,
&spawn] {
auto second_configuration = RunConfiguration::InferFromSettings(settings);
ASSERT_TRUE(second_configuration.IsValid());
second_configuration.SetEntrypoint("emptyMain");
const std::string initial_route("/foo");
MockPlatformViewDelegate platform_view_delegate;
auto child = shell->Spawn(
std::move(second_configuration), initial_route,
[&platform_view_delegate](Shell& shell) {
auto result = std::make_unique<MockPlatformView>(
platform_view_delegate, shell.GetTaskRunners());
ON_CALL(*result, CreateRenderingSurface())
.WillByDefault(::testing::Invoke(
[] { return std::make_unique<MockSurface>(); }));
return result;
},
[](Shell& shell) { return std::make_unique<Rasterizer>(shell); });
spawn = std::move(child);
});
// Destroy the parent shell.
DestroyShell(std::move(shell));
PostSync(spawn->GetTaskRunners().GetUITaskRunner(), [&spawn] {
// We must get engine on UI thread.
auto runtime_controller = spawn->GetEngine()->GetRuntimeController();
PostSync(spawn->GetTaskRunners().GetIOTaskRunner(),
[&spawn, &runtime_controller] {
// We must get io_manager on IO thread.
auto io_manager = runtime_controller->GetIOManager();
// Check io_manager existence here.
ASSERT_NE(io_manager.get(), nullptr);
ASSERT_NE(io_manager->GetSkiaUnrefQueue().get(), nullptr);
// Get io_manager directly from shell and check its existence.
ASSERT_NE(spawn->GetIOManager().get(), nullptr);
});
});
// Destroy the child shell.
DestroyShell(std::move(spawn));
}
TEST_F(ShellTest, ImageGeneratorRegistryNotNullAfterParentShellDestroyed) {
auto settings = CreateSettingsForFixture();
auto shell = CreateShell(settings);
ASSERT_TRUE(ValidateShell(shell.get()));
std::unique_ptr<Shell> spawn;
PostSync(shell->GetTaskRunners().GetPlatformTaskRunner(), [&shell, &settings,
&spawn] {
auto second_configuration = RunConfiguration::InferFromSettings(settings);
ASSERT_TRUE(second_configuration.IsValid());
second_configuration.SetEntrypoint("emptyMain");
const std::string initial_route("/foo");
MockPlatformViewDelegate platform_view_delegate;
auto child = shell->Spawn(
std::move(second_configuration), initial_route,
[&platform_view_delegate](Shell& shell) {
auto result = std::make_unique<MockPlatformView>(
platform_view_delegate, shell.GetTaskRunners());
ON_CALL(*result, CreateRenderingSurface())
.WillByDefault(::testing::Invoke(
[] { return std::make_unique<MockSurface>(); }));
return result;
},
[](Shell& shell) { return std::make_unique<Rasterizer>(shell); });
spawn = std::move(child);
});
PostSync(spawn->GetTaskRunners().GetUITaskRunner(), [&spawn] {
std::shared_ptr<const DartIsolate> isolate =
spawn->GetEngine()->GetRuntimeController()->GetRootIsolate().lock();
ASSERT_TRUE(isolate);
ASSERT_TRUE(isolate->GetImageGeneratorRegistry());
});
// Destroy the parent shell.
DestroyShell(std::move(shell));
PostSync(spawn->GetTaskRunners().GetUITaskRunner(), [&spawn] {
std::shared_ptr<const DartIsolate> isolate =
spawn->GetEngine()->GetRuntimeController()->GetRootIsolate().lock();
ASSERT_TRUE(isolate);
ASSERT_TRUE(isolate->GetImageGeneratorRegistry());
});
// Destroy the child shell.
DestroyShell(std::move(spawn));
}
TEST_F(ShellTest, UpdateAssetResolverByTypeReplaces) {
ASSERT_FALSE(DartVMRef::IsInstanceRunning());
Settings settings = CreateSettingsForFixture();
fml::MessageLoop::EnsureInitializedForCurrentThread();
auto task_runner = fml::MessageLoop::GetCurrent().GetTaskRunner();
TaskRunners task_runners("test", task_runner, task_runner, task_runner,
task_runner);
auto shell = CreateShell(settings, task_runners);
ASSERT_TRUE(DartVMRef::IsInstanceRunning());
ASSERT_TRUE(ValidateShell(shell.get()));
auto configuration = RunConfiguration::InferFromSettings(settings);
configuration.SetEntrypoint("emptyMain");
auto asset_manager = configuration.GetAssetManager();
shell->RunEngine(std::move(configuration), [&](auto result) {
ASSERT_EQ(result, Engine::RunStatus::Success);
});
auto platform_view =
std::make_unique<PlatformView>(*shell.get(), task_runners);
auto old_resolver = std::make_unique<TestAssetResolver>(
true, AssetResolver::AssetResolverType::kApkAssetProvider);
ASSERT_TRUE(old_resolver->IsValid());
asset_manager->PushBack(std::move(old_resolver));
auto updated_resolver = std::make_unique<TestAssetResolver>(
false, AssetResolver::AssetResolverType::kApkAssetProvider);
ASSERT_FALSE(updated_resolver->IsValidAfterAssetManagerChange());
platform_view->UpdateAssetResolverByType(
std::move(updated_resolver),
AssetResolver::AssetResolverType::kApkAssetProvider);
auto resolvers = asset_manager->TakeResolvers();
ASSERT_EQ(resolvers.size(), 2ull);
ASSERT_TRUE(resolvers[0]->IsValidAfterAssetManagerChange());
ASSERT_FALSE(resolvers[1]->IsValidAfterAssetManagerChange());
DestroyShell(std::move(shell), task_runners);
ASSERT_FALSE(DartVMRef::IsInstanceRunning());
}
TEST_F(ShellTest, UpdateAssetResolverByTypeAppends) {
ASSERT_FALSE(DartVMRef::IsInstanceRunning());
Settings settings = CreateSettingsForFixture();
fml::MessageLoop::EnsureInitializedForCurrentThread();
auto task_runner = fml::MessageLoop::GetCurrent().GetTaskRunner();
TaskRunners task_runners("test", task_runner, task_runner, task_runner,
task_runner);
auto shell = CreateShell(settings, task_runners);
ASSERT_TRUE(DartVMRef::IsInstanceRunning());
ASSERT_TRUE(ValidateShell(shell.get()));
auto configuration = RunConfiguration::InferFromSettings(settings);
configuration.SetEntrypoint("emptyMain");
auto asset_manager = configuration.GetAssetManager();
shell->RunEngine(std::move(configuration), [&](auto result) {
ASSERT_EQ(result, Engine::RunStatus::Success);
});
auto platform_view =
std::make_unique<PlatformView>(*shell.get(), task_runners);
auto updated_resolver = std::make_unique<TestAssetResolver>(
false, AssetResolver::AssetResolverType::kApkAssetProvider);
ASSERT_FALSE(updated_resolver->IsValidAfterAssetManagerChange());
platform_view->UpdateAssetResolverByType(
std::move(updated_resolver),
AssetResolver::AssetResolverType::kApkAssetProvider);
auto resolvers = asset_manager->TakeResolvers();
ASSERT_EQ(resolvers.size(), 2ull);
ASSERT_TRUE(resolvers[0]->IsValidAfterAssetManagerChange());
ASSERT_FALSE(resolvers[1]->IsValidAfterAssetManagerChange());
DestroyShell(std::move(shell), task_runners);
ASSERT_FALSE(DartVMRef::IsInstanceRunning());
}
TEST_F(ShellTest, UpdateAssetResolverByTypeNull) {
ASSERT_FALSE(DartVMRef::IsInstanceRunning());
Settings settings = CreateSettingsForFixture();
ThreadHost thread_host(ThreadHost::ThreadHostConfig(
"io.flutter.test." + GetCurrentTestName() + ".",
ThreadHost::Type::Platform));
auto task_runner = thread_host.platform_thread->GetTaskRunner();
TaskRunners task_runners("test", task_runner, task_runner, task_runner,
task_runner);
auto shell = CreateShell(settings, task_runners);
ASSERT_TRUE(DartVMRef::IsInstanceRunning());
ASSERT_TRUE(ValidateShell(shell.get()));
auto configuration = RunConfiguration::InferFromSettings(settings);
configuration.SetEntrypoint("emptyMain");
auto asset_manager = configuration.GetAssetManager();
RunEngine(shell.get(), std::move(configuration));
auto platform_view =
std::make_unique<PlatformView>(*shell.get(), task_runners);
auto old_resolver = std::make_unique<TestAssetResolver>(
true, AssetResolver::AssetResolverType::kApkAssetProvider);
ASSERT_TRUE(old_resolver->IsValid());
asset_manager->PushBack(std::move(old_resolver));
platform_view->UpdateAssetResolverByType(
nullptr, AssetResolver::AssetResolverType::kApkAssetProvider);
auto resolvers = asset_manager->TakeResolvers();
ASSERT_EQ(resolvers.size(), 2ull);
ASSERT_TRUE(resolvers[0]->IsValidAfterAssetManagerChange());
ASSERT_TRUE(resolvers[1]->IsValidAfterAssetManagerChange());
DestroyShell(std::move(shell), task_runners);
ASSERT_FALSE(DartVMRef::IsInstanceRunning());
}
TEST_F(ShellTest, UpdateAssetResolverByTypeDoesNotReplaceMismatchType) {
ASSERT_FALSE(DartVMRef::IsInstanceRunning());
Settings settings = CreateSettingsForFixture();
fml::MessageLoop::EnsureInitializedForCurrentThread();
auto task_runner = fml::MessageLoop::GetCurrent().GetTaskRunner();
TaskRunners task_runners("test", task_runner, task_runner, task_runner,
task_runner);
auto shell = CreateShell(settings, task_runners);
ASSERT_TRUE(DartVMRef::IsInstanceRunning());
ASSERT_TRUE(ValidateShell(shell.get()));
auto configuration = RunConfiguration::InferFromSettings(settings);
configuration.SetEntrypoint("emptyMain");
auto asset_manager = configuration.GetAssetManager();
shell->RunEngine(std::move(configuration), [&](auto result) {
ASSERT_EQ(result, Engine::RunStatus::Success);
});
auto platform_view =
std::make_unique<PlatformView>(*shell.get(), task_runners);
auto old_resolver = std::make_unique<TestAssetResolver>(
true, AssetResolver::AssetResolverType::kAssetManager);
ASSERT_TRUE(old_resolver->IsValid());
asset_manager->PushBack(std::move(old_resolver));
auto updated_resolver = std::make_unique<TestAssetResolver>(
false, AssetResolver::AssetResolverType::kApkAssetProvider);
ASSERT_FALSE(updated_resolver->IsValidAfterAssetManagerChange());
platform_view->UpdateAssetResolverByType(
std::move(updated_resolver),
AssetResolver::AssetResolverType::kApkAssetProvider);
auto resolvers = asset_manager->TakeResolvers();
ASSERT_EQ(resolvers.size(), 3ull);
ASSERT_TRUE(resolvers[0]->IsValidAfterAssetManagerChange());
ASSERT_TRUE(resolvers[1]->IsValidAfterAssetManagerChange());
ASSERT_FALSE(resolvers[2]->IsValidAfterAssetManagerChange());
DestroyShell(std::move(shell), task_runners);
ASSERT_FALSE(DartVMRef::IsInstanceRunning());
}
TEST_F(ShellTest, CanCreateShellsWithGLBackend) {
#if !SHELL_ENABLE_GL
// GL emulation does not exist on Fuchsia.
GTEST_SKIP();
#endif // !SHELL_ENABLE_GL
auto settings = CreateSettingsForFixture();
std::unique_ptr<Shell> shell =
CreateShell(settings, //
GetTaskRunnersForFixture(), //
false, //
nullptr, //
false, //
ShellTestPlatformView::BackendType::kGLBackend //
);
ASSERT_NE(shell, nullptr);
ASSERT_TRUE(shell->IsSetup());
auto configuration = RunConfiguration::InferFromSettings(settings);
PlatformViewNotifyCreated(shell.get());
configuration.SetEntrypoint("emptyMain");
RunEngine(shell.get(), std::move(configuration));
PumpOneFrame(shell.get());
PlatformViewNotifyDestroyed(shell.get());
DestroyShell(std::move(shell));
}
TEST_F(ShellTest, CanCreateShellsWithVulkanBackend) {
#if !SHELL_ENABLE_VULKAN
GTEST_SKIP();
#endif // !SHELL_ENABLE_VULKAN
auto settings = CreateSettingsForFixture();
std::unique_ptr<Shell> shell =
CreateShell(settings, //
GetTaskRunnersForFixture(), //
false, //
nullptr, //
false, //
ShellTestPlatformView::BackendType::kVulkanBackend //
);
ASSERT_NE(shell, nullptr);
ASSERT_TRUE(shell->IsSetup());
auto configuration = RunConfiguration::InferFromSettings(settings);
PlatformViewNotifyCreated(shell.get());
configuration.SetEntrypoint("emptyMain");
RunEngine(shell.get(), std::move(configuration));
PumpOneFrame(shell.get());
PlatformViewNotifyDestroyed(shell.get());
DestroyShell(std::move(shell));
}
TEST_F(ShellTest, CanCreateShellsWithMetalBackend) {
#if !SHELL_ENABLE_METAL
GTEST_SKIP();
#endif // !SHELL_ENABLE_METAL
auto settings = CreateSettingsForFixture();
std::unique_ptr<Shell> shell =
CreateShell(settings, //
GetTaskRunnersForFixture(), //
false, //
nullptr, //
false, //
ShellTestPlatformView::BackendType::kMetalBackend //
);
ASSERT_NE(shell, nullptr);
ASSERT_TRUE(shell->IsSetup());
auto configuration = RunConfiguration::InferFromSettings(settings);
PlatformViewNotifyCreated(shell.get());
configuration.SetEntrypoint("emptyMain");
RunEngine(shell.get(), std::move(configuration));
PumpOneFrame(shell.get());
PlatformViewNotifyDestroyed(shell.get());
DestroyShell(std::move(shell));
}
TEST_F(ShellTest, UserTagSetOnStartup) {
ASSERT_FALSE(DartVMRef::IsInstanceRunning());
// Make sure the shell launch does not kick off the creation of the VM
// instance by already creating one upfront.
auto vm_settings = CreateSettingsForFixture();
auto vm_ref = DartVMRef::Create(vm_settings);
ASSERT_TRUE(DartVMRef::IsInstanceRunning());
auto settings = vm_settings;
fml::AutoResetWaitableEvent isolate_create_latch;
// ensure that "AppStartUpTag" is set during isolate creation.
settings.root_isolate_create_callback = [&](const DartIsolate& isolate) {
Dart_Handle current_tag = Dart_GetCurrentUserTag();
Dart_Handle startup_tag = Dart_NewUserTag("AppStartUp");
EXPECT_TRUE(Dart_IdentityEquals(current_tag, startup_tag));
isolate_create_latch.Signal();
};
auto shell = CreateShell(settings);
ASSERT_TRUE(ValidateShell(shell.get()));
auto configuration = RunConfiguration::InferFromSettings(settings);
ASSERT_TRUE(configuration.IsValid());
RunEngine(shell.get(), std::move(configuration));
ASSERT_TRUE(DartVMRef::IsInstanceRunning());
DestroyShell(std::move(shell));
isolate_create_latch.Wait();
}
TEST_F(ShellTest, PrefetchDefaultFontManager) {
auto settings = CreateSettingsForFixture();
settings.prefetched_default_font_manager = true;
std::unique_ptr<Shell> shell;
auto get_font_manager_count = [&] {
fml::AutoResetWaitableEvent latch;
size_t font_manager_count;
fml::TaskRunner::RunNowOrPostTask(
shell->GetTaskRunners().GetUITaskRunner(),
[this, &shell, &latch, &font_manager_count]() {
font_manager_count =
GetFontCollection(shell.get())->GetFontManagersCount();
latch.Signal();
});
latch.Wait();
return font_manager_count;
};
size_t initial_font_manager_count = 0;
settings.root_isolate_create_callback = [&](const auto& isolate) {
ASSERT_GT(initial_font_manager_count, 0ul);
// Should not have fetched the default font manager yet, since the root
// isolate was only just created.
ASSERT_EQ(get_font_manager_count(), initial_font_manager_count);
};
shell = CreateShell(settings);
initial_font_manager_count = get_font_manager_count();
auto configuration = RunConfiguration::InferFromSettings(settings);
configuration.SetEntrypoint("emptyMain");
RunEngine(shell.get(), std::move(configuration));
// If the prefetched_default_font_manager flag is set, then the default font
// manager will not be added until the engine starts running.
ASSERT_EQ(get_font_manager_count(), initial_font_manager_count + 1);
DestroyShell(std::move(shell));
}
TEST_F(ShellTest, OnPlatformViewCreatedWhenUIThreadIsBusy) {
// This test will deadlock if the threading logic in
// Shell::OnCreatePlatformView is wrong.
auto settings = CreateSettingsForFixture();
auto shell = CreateShell(settings);
fml::AutoResetWaitableEvent latch;
fml::TaskRunner::RunNowOrPostTask(shell->GetTaskRunners().GetUITaskRunner(),
[&latch]() { latch.Wait(); });
ShellTest::PlatformViewNotifyCreated(shell.get());
latch.Signal();
DestroyShell(std::move(shell));
}
TEST_F(ShellTest, UIWorkAfterOnPlatformViewDestroyed) {
auto settings = CreateSettingsForFixture();
auto shell = CreateShell(settings);
auto configuration = RunConfiguration::InferFromSettings(settings);
configuration.SetEntrypoint("drawFrames");
fml::AutoResetWaitableEvent latch;
fml::AutoResetWaitableEvent notify_native_latch;
AddNativeCallback("NotifyNative", CREATE_NATIVE_ENTRY([&](auto args) {
notify_native_latch.Signal();
latch.Wait();
}));
RunEngine(shell.get(), std::move(configuration));
// Wait to make sure we get called back from Dart and thus have latched
// the UI thread before we create/destroy the platform view.
notify_native_latch.Wait();
ShellTest::PlatformViewNotifyCreated(shell.get());
fml::AutoResetWaitableEvent destroy_latch;
fml::TaskRunner::RunNowOrPostTask(
shell->GetTaskRunners().GetPlatformTaskRunner(),
[&shell, &destroy_latch]() {
shell->GetPlatformView()->NotifyDestroyed();
destroy_latch.Signal();
});
destroy_latch.Wait();
// Unlatch the UI thread and let it send us a scene to render.
latch.Signal();
// Flush the UI task runner to make sure we process the render/scheduleFrame
// request.
fml::AutoResetWaitableEvent ui_flush_latch;
fml::TaskRunner::RunNowOrPostTask(
shell->GetTaskRunners().GetUITaskRunner(),
[&ui_flush_latch]() { ui_flush_latch.Signal(); });
ui_flush_latch.Wait();
DestroyShell(std::move(shell));
}
TEST_F(ShellTest, UsesPlatformMessageHandler) {
TaskRunners task_runners = GetTaskRunnersForFixture();
auto settings = CreateSettingsForFixture();
MockPlatformViewDelegate platform_view_delegate;
auto platform_message_handler =
std::make_shared<MockPlatformMessageHandler>();
int message_id = 1;
EXPECT_CALL(*platform_message_handler, HandlePlatformMessage(_));
EXPECT_CALL(*platform_message_handler,
InvokePlatformMessageEmptyResponseCallback(message_id));
Shell::CreateCallback<PlatformView> platform_view_create_callback =
[&platform_view_delegate, task_runners,
platform_message_handler](flutter::Shell& shell) {
auto result = std::make_unique<MockPlatformView>(platform_view_delegate,
task_runners);
EXPECT_CALL(*result, GetPlatformMessageHandler())
.WillOnce(Return(platform_message_handler));
return result;
};
auto shell = CreateShell(
/*settings=*/settings,
/*task_runners=*/task_runners,
/*simulate_vsync=*/false,
/*shell_test_external_view_embedder=*/nullptr,
/*is_gpu_disabled=*/false,
/*rendering_backend=*/
ShellTestPlatformView::BackendType::kDefaultBackend,
/*platform_view_create_callback=*/platform_view_create_callback);
EXPECT_EQ(platform_message_handler, shell->GetPlatformMessageHandler());
PostSync(task_runners.GetUITaskRunner(), [&shell]() {
size_t data_size = 4;
fml::MallocMapping bytes =
fml::MallocMapping(static_cast<uint8_t*>(malloc(data_size)), data_size);
fml::RefPtr<MockPlatformMessageResponse> response =
MockPlatformMessageResponse::Create();
auto message = std::make_unique<PlatformMessage>(
/*channel=*/"foo", /*data=*/std::move(bytes), /*response=*/response);
(static_cast<Engine::Delegate*>(shell.get()))
->OnEngineHandlePlatformMessage(std::move(message));
});
shell->GetPlatformMessageHandler()
->InvokePlatformMessageEmptyResponseCallback(message_id);
DestroyShell(std::move(shell));
}
TEST_F(ShellTest, SpawnWorksWithOnError) {
auto settings = CreateSettingsForFixture();
auto shell = CreateShell(settings);
ASSERT_TRUE(ValidateShell(shell.get()));
auto configuration = RunConfiguration::InferFromSettings(settings);
ASSERT_TRUE(configuration.IsValid());
configuration.SetEntrypoint("onErrorA");
auto second_configuration = RunConfiguration::InferFromSettings(settings);
ASSERT_TRUE(second_configuration.IsValid());
second_configuration.SetEntrypoint("onErrorB");
fml::CountDownLatch latch(2);
AddNativeCallback(
"NotifyErrorA", CREATE_NATIVE_ENTRY([&](Dart_NativeArguments args) {
auto string_handle = Dart_GetNativeArgument(args, 0);
const char* c_str;
Dart_StringToCString(string_handle, &c_str);
EXPECT_STREQ(c_str, "Exception: I should be coming from A");
latch.CountDown();
}));
AddNativeCallback(
"NotifyErrorB", CREATE_NATIVE_ENTRY([&](Dart_NativeArguments args) {
auto string_handle = Dart_GetNativeArgument(args, 0);
const char* c_str;
Dart_StringToCString(string_handle, &c_str);
EXPECT_STREQ(c_str, "Exception: I should be coming from B");
latch.CountDown();
}));
RunEngine(shell.get(), std::move(configuration));
ASSERT_TRUE(DartVMRef::IsInstanceRunning());
PostSync(
shell->GetTaskRunners().GetPlatformTaskRunner(),
[this, &spawner = shell, &second_configuration, &latch]() {
::testing::NiceMock<MockPlatformViewDelegate> platform_view_delegate;
auto spawn = spawner->Spawn(
std::move(second_configuration), "",
[&platform_view_delegate](Shell& shell) {
auto result =
std::make_unique<::testing::NiceMock<MockPlatformView>>(
platform_view_delegate, shell.GetTaskRunners());
ON_CALL(*result, CreateRenderingSurface())
.WillByDefault(::testing::Invoke([] {
return std::make_unique<::testing::NiceMock<MockSurface>>();
}));
return result;
},
[](Shell& shell) { return std::make_unique<Rasterizer>(shell); });
ASSERT_NE(nullptr, spawn.get());
ASSERT_TRUE(ValidateShell(spawn.get()));
// Before destroying the shell, wait for expectations of the spawned
// isolate to be met.
latch.Wait();
DestroyShell(std::move(spawn));
});
DestroyShell(std::move(shell));
ASSERT_FALSE(DartVMRef::IsInstanceRunning());
}
TEST_F(ShellTest, PictureToImageSync) {
#if !SHELL_ENABLE_GL
// This test uses the GL backend.
GTEST_SKIP();
#endif // !SHELL_ENABLE_GL
auto settings = CreateSettingsForFixture();
std::unique_ptr<Shell> shell =
CreateShell(settings, //
GetTaskRunnersForFixture(), //
false, //
nullptr, //
false, //
ShellTestPlatformView::BackendType::kGLBackend //
);
fml::CountDownLatch latch(2);
AddNativeCallback("NotifyNative", CREATE_NATIVE_ENTRY([&](auto args) {
// Teardown and set up rasterizer again.
PlatformViewNotifyDestroyed(shell.get());
PlatformViewNotifyCreated(shell.get());
latch.CountDown();
}));
ASSERT_NE(shell, nullptr);
ASSERT_TRUE(shell->IsSetup());
auto configuration = RunConfiguration::InferFromSettings(settings);
PlatformViewNotifyCreated(shell.get());
configuration.SetEntrypoint("toImageSync");
RunEngine(shell.get(), std::move(configuration));
PumpOneFrame(shell.get());
latch.Wait();
PlatformViewNotifyDestroyed(shell.get());
DestroyShell(std::move(shell));
}
TEST_F(ShellTest, PluginUtilitiesCallbackHandleErrorHandling) {
auto settings = CreateSettingsForFixture();
std::unique_ptr<Shell> shell =
CreateShell(settings, GetTaskRunnersForFixture());
fml::AutoResetWaitableEvent latch;
bool test_passed;
AddNativeCallback("NotifyNativeBool", CREATE_NATIVE_ENTRY([&](auto args) {
Dart_Handle exception = nullptr;
test_passed = tonic::DartConverter<bool>::FromArguments(
args, 0, exception);
latch.Signal();
}));
ASSERT_NE(shell, nullptr);
ASSERT_TRUE(shell->IsSetup());
auto configuration = RunConfiguration::InferFromSettings(settings);
PlatformViewNotifyCreated(shell.get());
configuration.SetEntrypoint("testPluginUtilitiesCallbackHandle");
RunEngine(shell.get(), std::move(configuration));
PumpOneFrame(shell.get());
latch.Wait();
ASSERT_TRUE(test_passed);
PlatformViewNotifyDestroyed(shell.get());
DestroyShell(std::move(shell));
}
} // namespace testing
} // namespace flutter
// NOLINTEND(clang-analyzer-core.StackAddressEscape)
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