From 1c2ffb9b30d01b87b693793cfa57ef22436f8917 Mon Sep 17 00:00:00 2001
From: Jonah Williams <jonahwilliams@google.com>
Date: Wed, 10 Apr 2024 14:53:52 -0700
Subject: [PATCH] [Engine] allow --enable-asserts flag to be passed to dart vm
 in profile mode. (flutter/engine#52029)

Allows https://github.com/flutter/flutter/issues/145729
---
 engine/src/flutter/shell/common/switches.cc           |  1 +
 engine/src/flutter/shell/common/switches_unittests.cc | 10 ++++++++++
 2 files changed, 11 insertions(+)

diff --git a/engine/src/flutter/shell/common/switches.cc b/engine/src/flutter/shell/common/switches.cc
index 40a4fd55650..c19f14fd713 100644
--- a/engine/src/flutter/shell/common/switches.cc
+++ b/engine/src/flutter/shell/common/switches.cc
@@ -65,6 +65,7 @@ static const std::string kAllowedDartFlags[] = {
     "--null_assertions",
     "--strict_null_safety_checks",
     "--max_subtype_cache_entries",
+    "--enable-asserts",
 };
 // clang-format on
 
diff --git a/engine/src/flutter/shell/common/switches_unittests.cc b/engine/src/flutter/shell/common/switches_unittests.cc
index 617c0a891cf..b4494a29681 100644
--- a/engine/src/flutter/shell/common/switches_unittests.cc
+++ b/engine/src/flutter/shell/common/switches_unittests.cc
@@ -123,6 +123,16 @@ TEST(SwitchesTest, NoEnableImpeller) {
   }
 }
 
+#if !FLUTTER_RELEASE
+TEST(SwitchesTest, EnableAsserts) {
+  fml::CommandLine command_line = fml::CommandLineFromInitializerList(
+      {"command", "--dart-flags=--enable-asserts"});
+  Settings settings = SettingsFromCommandLine(command_line);
+  ASSERT_EQ(settings.dart_flags.size(), 1ul);
+  EXPECT_EQ(settings.dart_flags[0], "--enable-asserts");
+}
+#endif
+
 }  // namespace testing
 }  // namespace flutter