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Added integration test for wide gamut support. (#119657)
* Added integration test for wide gamut support. * cleaned up * deleted files that can be generated * switched back to standard flutter in the shell script * added devicelab task * removed analysis options * analyzer * Fixed task * made local_run.sh not executable * analyzer * removed the logo asset * added task to ci * updated pubspec * analysis errors fixed * updated pubspec
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// Copyright 2014 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. | ||
|
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import 'package:flutter_devicelab/framework/devices.dart'; | ||
import 'package:flutter_devicelab/framework/framework.dart'; | ||
import 'package:flutter_devicelab/tasks/integration_tests.dart'; | ||
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Future<void> main() async { | ||
deviceOperatingSystem = DeviceOperatingSystem.ios; | ||
await task(createWideGamutTest()); | ||
} |
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# Miscellaneous | ||
*.class | ||
*.log | ||
*.pyc | ||
*.swp | ||
.DS_Store | ||
.atom/ | ||
.buildlog/ | ||
.history | ||
.svn/ | ||
migrate_working_dir/ | ||
|
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# IntelliJ related | ||
*.iml | ||
*.ipr | ||
*.iws | ||
.idea/ | ||
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# The .vscode folder contains launch configuration and tasks you configure in | ||
# VS Code which you may wish to be included in version control, so this line | ||
# is commented out by default. | ||
#.vscode/ | ||
|
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# Flutter/Dart/Pub related | ||
**/doc/api/ | ||
**/ios/Flutter/.last_build_id | ||
.dart_tool/ | ||
.flutter-plugins | ||
.flutter-plugins-dependencies | ||
.packages | ||
.pub-cache/ | ||
.pub/ | ||
/build/ | ||
|
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# Symbolication related | ||
app.*.symbols | ||
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# Obfuscation related | ||
app.*.map.json | ||
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# Android Studio will place build artifacts here | ||
/android/app/debug | ||
/android/app/profile | ||
/android/app/release |
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# This file tracks properties of this Flutter project. | ||
# Used by Flutter tool to assess capabilities and perform upgrades etc. | ||
# | ||
# This file should be version controlled. | ||
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version: | ||
revision: c379133df6d1f8893ad8c9d0393496c7d6eaf828 | ||
channel: wide-gamut-integration-test | ||
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project_type: app | ||
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# Tracks metadata for the flutter migrate command | ||
migration: | ||
platforms: | ||
- platform: root | ||
create_revision: c379133df6d1f8893ad8c9d0393496c7d6eaf828 | ||
base_revision: c379133df6d1f8893ad8c9d0393496c7d6eaf828 | ||
- platform: ios | ||
create_revision: c379133df6d1f8893ad8c9d0393496c7d6eaf828 | ||
base_revision: c379133df6d1f8893ad8c9d0393496c7d6eaf828 | ||
|
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# User provided section | ||
|
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# List of Local paths (relative to this file) that should be | ||
# ignored by the migrate tool. | ||
# | ||
# Files that are not part of the templates will be ignored by default. | ||
unmanaged_files: | ||
- 'lib/main.dart' | ||
- 'ios/Runner.xcodeproj/project.pbxproj' |
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# wide_gamut_test | ||
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An integration test used for testing wide gamut color support in the engine. | ||
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## Local run | ||
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```sh | ||
flutter create --platforms="ios" --no-overwrite . | ||
flutter test integration_test/app_test.dart | ||
``` |
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dev/integration_tests/wide_gamut_test/integration_test/app_test.dart
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// Copyright 2014 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. | ||
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import 'dart:typed_data'; | ||
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import 'package:flutter/services.dart'; | ||
import 'package:flutter_test/flutter_test.dart'; | ||
import 'package:integration_test/integration_test.dart'; | ||
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import 'package:wide_gamut_test/main.dart' as app; | ||
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// See: https://developer.apple.com/documentation/metal/mtlpixelformat/mtlpixelformatbgr10_xr. | ||
double _decodeBGR10(int x) { | ||
const double max = 1.25098; | ||
const double min = -0.752941; | ||
const double intercept = min; | ||
const double slope = (max - min) / 1024.0; | ||
return (x * slope) + intercept; | ||
} | ||
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bool _isAlmost(double x, double y, double epsilon) { | ||
return (x - y).abs() < epsilon; | ||
} | ||
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void main() { | ||
IntegrationTestWidgetsFlutterBinding.ensureInitialized(); | ||
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group('end-to-end test', () { | ||
testWidgets('look for display p3 deepest red', (WidgetTester tester) async { | ||
app.main(); | ||
await tester.pumpAndSettle(const Duration(seconds: 2)); | ||
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const MethodChannel channel = MethodChannel('flutter/screenshot'); | ||
final List<Object?> result = | ||
await channel.invokeMethod('test') as List<Object?>; | ||
expect(result, isNotNull); | ||
expect(result.length, 4); | ||
final int width = (result[0] as int?)!; | ||
final int height = (result[1] as int?)!; | ||
final String format = (result[2] as String?)!; | ||
expect(format, 'MTLPixelFormatBGR10_XR'); | ||
final Uint8List bytes = (result[3] as Uint8List?)!; | ||
final ByteData byteData = ByteData.sublistView(bytes); | ||
expect(bytes.lengthInBytes, width * height * 4); | ||
expect(bytes.lengthInBytes, byteData.lengthInBytes); | ||
bool foundDeepRed = false; | ||
for (int i = 0; i < bytes.lengthInBytes; i += 4) { | ||
final int pixel = byteData.getUint32(i, Endian.host); | ||
final double blue = _decodeBGR10(pixel & 0x3ff); | ||
final double green = _decodeBGR10((pixel >> 10) & 0x3ff); | ||
final double red = _decodeBGR10((pixel >> 20) & 0x3ff); | ||
if (_isAlmost(red, 1.0931, 0.01) && | ||
_isAlmost(green, -0.2268, 0.01) && | ||
_isAlmost(blue, -0.1501, 0.01)) { | ||
foundDeepRed = true; | ||
} | ||
} | ||
expect(foundDeepRed, isTrue); | ||
}); | ||
}); | ||
} |
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dev/integration_tests/wide_gamut_test/ios/Runner/Info.plist
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<?xml version="1.0" encoding="UTF-8"?> | ||
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd"> | ||
<plist version="1.0"> | ||
<dict> | ||
<key>CFBundleDevelopmentRegion</key> | ||
<string>$(DEVELOPMENT_LANGUAGE)</string> | ||
<key>CFBundleDisplayName</key> | ||
<string>Wide Gamut Test</string> | ||
<key>CFBundleExecutable</key> | ||
<string>$(EXECUTABLE_NAME)</string> | ||
<key>CFBundleIdentifier</key> | ||
<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string> | ||
<key>CFBundleInfoDictionaryVersion</key> | ||
<string>6.0</string> | ||
<key>CFBundleName</key> | ||
<string>wide_gamut_test</string> | ||
<key>CFBundlePackageType</key> | ||
<string>APPL</string> | ||
<key>CFBundleShortVersionString</key> | ||
<string>$(FLUTTER_BUILD_NAME)</string> | ||
<key>CFBundleSignature</key> | ||
<string>????</string> | ||
<key>CFBundleVersion</key> | ||
<string>$(FLUTTER_BUILD_NUMBER)</string> | ||
<key>LSRequiresIPhoneOS</key> | ||
<true/> | ||
<key>UILaunchStoryboardName</key> | ||
<string>LaunchScreen</string> | ||
<key>UIMainStoryboardFile</key> | ||
<string>Main</string> | ||
<key>UISupportedInterfaceOrientations</key> | ||
<array> | ||
<string>UIInterfaceOrientationPortrait</string> | ||
<string>UIInterfaceOrientationLandscapeLeft</string> | ||
<string>UIInterfaceOrientationLandscapeRight</string> | ||
</array> | ||
<key>UISupportedInterfaceOrientations~ipad</key> | ||
<array> | ||
<string>UIInterfaceOrientationPortrait</string> | ||
<string>UIInterfaceOrientationPortraitUpsideDown</string> | ||
<string>UIInterfaceOrientationLandscapeLeft</string> | ||
<string>UIInterfaceOrientationLandscapeRight</string> | ||
</array> | ||
<key>UIViewControllerBasedStatusBarAppearance</key> | ||
<false/> | ||
<key>CADisableMinimumFrameDurationOnPhone</key> | ||
<true/> | ||
<key>UIApplicationSupportsIndirectInputEvents</key> | ||
<true/> | ||
<key>FLTEnableImpeller</key> | ||
<true/> | ||
<key>FLTEnableWideGamut</key> | ||
<true/> | ||
</dict> | ||
</plist> |
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// Copyright 2014 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. | ||
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import 'dart:convert' show base64Decode; | ||
import 'package:flutter/material.dart'; | ||
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/// A 100x100 png in Display P3 colorspace. | ||
const String _displayP3Logo = | ||
'iVBORw0KGgoAAAANSUhEUgAAAGQAAABkCAYAAABw4pVUAAABdWlDQ1BrQ0dDb2xvclNwYWNlRG' | ||
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'vh/GMM8B0CdpXzryPO7RqFn4Er/QcXKWq8UwZBywAAAJplWElmTU0AKgAAAAgABQESAAMAAAAB' | ||
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'dGEvIiB4OnhtcHRrPSJYTVAgQ29yZSA2LjAuMCI+CiAgIDxyZGY6UkRGIHhtbG5zOnJkZj0iaH' | ||
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|
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void main() { | ||
runApp(const MyApp()); | ||
} | ||
|
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class MyApp extends StatelessWidget { | ||
const MyApp({super.key}); | ||
|
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@override | ||
Widget build(BuildContext context) { | ||
return MaterialApp( | ||
title: 'Wide Gamut Test', | ||
theme: ThemeData( | ||
primarySwatch: Colors.blue, | ||
), | ||
home: const MyHomePage(title: 'Wide Gamut Test'), | ||
); | ||
} | ||
} | ||
|
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class MyHomePage extends StatelessWidget { | ||
const MyHomePage({super.key, required this.title}); | ||
|
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final String title; | ||
|
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@override | ||
Widget build(BuildContext context) { | ||
return Scaffold( | ||
appBar: AppBar( | ||
title: Text(title), | ||
), | ||
body: Center( | ||
child: Column( | ||
mainAxisAlignment: MainAxisAlignment.center, | ||
children: <Widget>[ | ||
Image.memory(base64Decode(_displayP3Logo)), | ||
], | ||
), | ||
), | ||
); | ||
} | ||
} |
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