mirror of
https://github.com/flutter/flutter.git
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5a2bf6aa4c
Reland #19396 with a fix for improper scale that was affecting internal tests Tested: Ran all unittests, ran internal tests, and ran workstation on Fuchsia BUG: 53062, 53063
420 lines
12 KiB
Dart
420 lines
12 KiB
Dart
// Copyright 2013 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// @dart = 2.10
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// HACK: pretend to be dart.ui in order to access its internals
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library dart.ui;
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import 'dart:async';
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// this needs to be imported because painting.dart expects it this way
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import 'dart:collection' as collection;
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import 'dart:convert';
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import 'dart:developer' as developer;
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import 'dart:math' as math;
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import 'dart:nativewrappers'; // ignore: unused_import
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import 'dart:typed_data';
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// HACK: these parts are to get access to private functions tested here.
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part '../../lib/ui/annotations.dart';
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part '../../lib/ui/channel_buffers.dart';
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part '../../lib/ui/compositing.dart';
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part '../../lib/ui/geometry.dart';
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part '../../lib/ui/hash_codes.dart';
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part '../../lib/ui/hooks.dart';
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part '../../lib/ui/lerp.dart';
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part '../../lib/ui/natives.dart';
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part '../../lib/ui/painting.dart';
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part '../../lib/ui/pointer.dart';
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part '../../lib/ui/semantics.dart';
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part '../../lib/ui/text.dart';
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part '../../lib/ui/window.dart';
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void main() {
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VoidCallback? originalOnMetricsChanged;
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VoidCallback? originalOnLocaleChanged;
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FrameCallback? originalOnBeginFrame;
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VoidCallback? originalOnDrawFrame;
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TimingsCallback? originalOnReportTimings;
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PointerDataPacketCallback? originalOnPointerDataPacket;
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VoidCallback? originalOnSemanticsEnabledChanged;
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SemanticsActionCallback? originalOnSemanticsAction;
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PlatformMessageCallback? originalOnPlatformMessage;
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VoidCallback? originalOnTextScaleFactorChanged;
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double? oldDPR;
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Size? oldSize;
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WindowPadding? oldPadding;
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WindowPadding? oldInsets;
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WindowPadding? oldSystemGestureInsets;
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void setUp() {
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oldDPR = window.devicePixelRatio;
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oldSize = window.physicalSize;
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oldPadding = window.viewPadding;
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oldInsets = window.viewInsets;
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oldSystemGestureInsets = window.systemGestureInsets;
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originalOnMetricsChanged = window.onMetricsChanged;
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originalOnLocaleChanged = window.onLocaleChanged;
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originalOnBeginFrame = window.onBeginFrame;
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originalOnDrawFrame = window.onDrawFrame;
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originalOnReportTimings = window.onReportTimings;
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originalOnPointerDataPacket = window.onPointerDataPacket;
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originalOnSemanticsEnabledChanged = window.onSemanticsEnabledChanged;
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originalOnSemanticsAction = window.onSemanticsAction;
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originalOnPlatformMessage = window.onPlatformMessage;
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originalOnTextScaleFactorChanged = window.onTextScaleFactorChanged;
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}
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void tearDown() {
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_updateWindowMetrics(
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oldDPR!, // DPR
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oldSize!.width, // width
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oldSize!.height, // height
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oldPadding!.top, // padding top
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oldPadding!.right, // padding right
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oldPadding!.bottom, // padding bottom
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oldPadding!.left, // padding left
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oldInsets!.top, // inset top
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oldInsets!.right, // inset right
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oldInsets!.bottom, // inset bottom
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oldInsets!.left, // inset left
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oldSystemGestureInsets!.top, // system gesture inset top
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oldSystemGestureInsets!.right, // system gesture inset right
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oldSystemGestureInsets!.bottom, // system gesture inset bottom
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oldSystemGestureInsets!.left, // system gesture inset left
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);
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window.onMetricsChanged = originalOnMetricsChanged;
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window.onLocaleChanged = originalOnLocaleChanged;
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window.onBeginFrame = originalOnBeginFrame;
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window.onDrawFrame = originalOnDrawFrame;
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window.onReportTimings = originalOnReportTimings;
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window.onPointerDataPacket = originalOnPointerDataPacket;
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window.onSemanticsEnabledChanged = originalOnSemanticsEnabledChanged;
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window.onSemanticsAction = originalOnSemanticsAction;
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window.onPlatformMessage = originalOnPlatformMessage;
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window.onTextScaleFactorChanged = originalOnTextScaleFactorChanged;
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}
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void test(String description, void Function() testFunction) {
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print(description);
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setUp();
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testFunction();
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tearDown();
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}
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void expectEquals(dynamic actual, dynamic expected) {
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if (actual != expected) {
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throw Exception('Equality check failed:\n Expected: $expected\n Actual: $actual');
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}
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}
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void expectIterablesEqual(Iterable<dynamic> actual, Iterable<dynamic> expected) {
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expectEquals(actual.length, expected.length);
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final Iterator<dynamic> actualIter = actual.iterator;
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final Iterator<dynamic> expectedIter = expected.iterator;
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while (expectedIter.moveNext()) {
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expectEquals(actualIter.moveNext(), true);
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expectEquals(actualIter.current, expectedIter.current);
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}
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expectEquals(actualIter.moveNext(), false);
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}
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void expectNotEquals(dynamic actual, dynamic expected) {
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if (actual == expected) {
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throw Exception('Inequality check failed:\n Expected: $expected\n Actual: $actual');
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}
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}
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void expectIdentical(dynamic actual, dynamic expected) {
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if (!identical(actual, expected)) {
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throw Exception('Identity check failed:\n Expected: $expected\n Actual: $actual');
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}
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}
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test('updateUserSettings can handle an empty object', () {
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// this should not throw.
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_updateUserSettingsData('{}');
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});
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test('onMetricsChanged preserves callback zone', () {
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late Zone innerZone;
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late Zone runZone;
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late double devicePixelRatio;
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runZoned(() {
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innerZone = Zone.current;
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window.onMetricsChanged = () {
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runZone = Zone.current;
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devicePixelRatio = window.devicePixelRatio;
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};
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});
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window.onMetricsChanged!();
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_updateWindowMetrics(
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0.1234, // DPR
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0.0, // width
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0.0, // height
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0.0, // padding top
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0.0, // padding right
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0.0, // padding bottom
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0.0, // padding left
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0.0, // inset top
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0.0, // inset right
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0.0, // inset bottom
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0.0, // inset left
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0.0, // system gesture inset top
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0.0, // system gesture inset right
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0.0, // system gesture inset bottom
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0.0, // system gesture inset left
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);
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expectNotEquals(runZone, null);
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expectIdentical(runZone, innerZone);
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expectEquals(devicePixelRatio, 0.1234);
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});
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test('onLocaleChanged preserves callback zone', () {
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late Zone innerZone;
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late Zone runZone;
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Locale? locale;
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runZoned(() {
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innerZone = Zone.current;
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window.onLocaleChanged = () {
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runZone = Zone.current;
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locale = window.locale;
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};
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});
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_updateLocales(<String>['en', 'US', '', '']);
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expectNotEquals(runZone, null);
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expectIdentical(runZone, innerZone);
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expectEquals(locale, const Locale('en', 'US'));
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});
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test('onBeginFrame preserves callback zone', () {
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late Zone innerZone;
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late Zone runZone;
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late Duration start;
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runZoned(() {
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innerZone = Zone.current;
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window.onBeginFrame = (Duration value) {
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runZone = Zone.current;
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start = value;
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};
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});
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_beginFrame(1234);
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expectNotEquals(runZone, null);
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expectIdentical(runZone, innerZone);
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expectEquals(start, const Duration(microseconds: 1234));
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});
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test('onDrawFrame preserves callback zone', () {
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late Zone innerZone;
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late Zone runZone;
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runZoned(() {
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innerZone = Zone.current;
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window.onDrawFrame = () {
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runZone = Zone.current;
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};
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});
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_drawFrame();
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expectNotEquals(runZone, null);
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expectIdentical(runZone, innerZone);
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});
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test('onReportTimings preserves callback zone', () {
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late Zone innerZone;
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late Zone runZone;
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window._setNeedsReportTimings = (bool _) {};
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runZoned(() {
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innerZone = Zone.current;
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window.onReportTimings = (List<FrameTiming> timings) {
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runZone = Zone.current;
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};
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});
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_reportTimings(<int>[]);
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expectNotEquals(runZone, null);
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expectIdentical(runZone, innerZone);
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});
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test('onPointerDataPacket preserves callback zone', () {
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late Zone innerZone;
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late Zone runZone;
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late PointerDataPacket data;
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runZoned(() {
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innerZone = Zone.current;
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window.onPointerDataPacket = (PointerDataPacket value) {
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runZone = Zone.current;
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data = value;
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};
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});
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final ByteData testData = ByteData.view(Uint8List(0).buffer);
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_dispatchPointerDataPacket(testData);
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expectNotEquals(runZone, null);
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expectIdentical(runZone, innerZone);
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expectIterablesEqual(data.data, _unpackPointerDataPacket(testData).data);
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});
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test('onSemanticsEnabledChanged preserves callback zone', () {
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late Zone innerZone;
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late Zone runZone;
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late bool enabled;
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runZoned(() {
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innerZone = Zone.current;
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window.onSemanticsEnabledChanged = () {
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runZone = Zone.current;
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enabled = window.semanticsEnabled;
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};
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});
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_updateSemanticsEnabled(window._semanticsEnabled);
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expectNotEquals(runZone, null);
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expectIdentical(runZone, innerZone);
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expectNotEquals(enabled, null);
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expectEquals(enabled, window._semanticsEnabled);
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});
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test('onSemanticsAction preserves callback zone', () {
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late Zone innerZone;
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late Zone runZone;
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late int id;
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late int action;
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runZoned(() {
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innerZone = Zone.current;
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window.onSemanticsAction = (int i, SemanticsAction a, ByteData? _) {
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runZone = Zone.current;
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action = a.index;
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id = i;
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};
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});
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_dispatchSemanticsAction(1234, 4, null);
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expectNotEquals(runZone, null);
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expectIdentical(runZone, innerZone);
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expectEquals(id, 1234);
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expectEquals(action, 4);
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});
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test('onPlatformMessage preserves callback zone', () {
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late Zone innerZone;
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late Zone runZone;
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late String name;
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runZoned(() {
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innerZone = Zone.current;
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window.onPlatformMessage = (String value, _, __) {
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runZone = Zone.current;
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name = value;
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};
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});
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_dispatchPlatformMessage('testName', null, 123456789);
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expectNotEquals(runZone, null);
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expectIdentical(runZone, innerZone);
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expectEquals(name, 'testName');
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});
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test('onTextScaleFactorChanged preserves callback zone', () {
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late Zone innerZone;
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late Zone runZone;
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late double textScaleFactor;
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runZoned(() {
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innerZone = Zone.current;
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window.onTextScaleFactorChanged = () {
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runZone = Zone.current;
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textScaleFactor = window.textScaleFactor;
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};
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});
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window.onTextScaleFactorChanged!();
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_updateTextScaleFactor(0.5);
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expectNotEquals(runZone, null);
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expectIdentical(runZone, innerZone);
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expectEquals(textScaleFactor, 0.5);
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});
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test('onThemeBrightnessMode preserves callback zone', () {
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late Zone innerZone;
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late Zone runZone;
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late Brightness platformBrightness;
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runZoned(() {
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innerZone = Zone.current;
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window.onPlatformBrightnessChanged = () {
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runZone = Zone.current;
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platformBrightness = window.platformBrightness;
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};
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});
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window.onPlatformBrightnessChanged!();
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_updatePlatformBrightness('dark');
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expectNotEquals(runZone, null);
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expectIdentical(runZone, innerZone);
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expectEquals(platformBrightness, Brightness.dark);
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});
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test('Window padding/insets/viewPadding/systemGestureInsets', () {
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_updateWindowMetrics(
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1.0, // DPR
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800.0, // width
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600.0, // height
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50.0, // padding top
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0.0, // padding right
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40.0, // padding bottom
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0.0, // padding left
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0.0, // inset top
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0.0, // inset right
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0.0, // inset bottom
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0.0, // inset left
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0.0, // system gesture inset top
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0.0, // system gesture inset right
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0.0, // system gesture inset bottom
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0.0, // system gesture inset left
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);
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expectEquals(window.viewInsets.bottom, 0.0);
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expectEquals(window.viewPadding.bottom, 40.0);
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expectEquals(window.padding.bottom, 40.0);
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expectEquals(window.systemGestureInsets.bottom, 0.0);
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_updateWindowMetrics(
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1.0, // DPR
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800.0, // width
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600.0, // height
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50.0, // padding top
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0.0, // padding right
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40.0, // padding bottom
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0.0, // padding left
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0.0, // inset top
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0.0, // inset right
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400.0, // inset bottom
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0.0, // inset left
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0.0, // system gesture insets top
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0.0, // system gesture insets right
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44.0, // system gesture insets bottom
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0.0, // system gesture insets left
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);
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expectEquals(window.viewInsets.bottom, 400.0);
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expectEquals(window.viewPadding.bottom, 40.0);
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expectEquals(window.padding.bottom, 0.0);
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expectEquals(window.systemGestureInsets.bottom, 44.0);
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});
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}
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