| // 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. |
| |
| // @dart = 2.6 |
| import 'dart:html' show ProgressEvent; |
| |
| import 'package:test/bootstrap/browser.dart'; |
| import 'package:test/test.dart'; |
| import 'package:ui/src/engine.dart'; |
| import 'package:ui/ui.dart' as ui; |
| |
| import '../matchers.dart'; |
| import 'common.dart'; |
| import 'test_data.dart'; |
| |
| void main() { |
| internalBootstrapBrowserTest(() => testMain); |
| } |
| |
| void testMain() { |
| group('CanvasKit image', () { |
| setUpAll(() async { |
| await ui.webOnlyInitializePlatform(); |
| }); |
| |
| test('CkAnimatedImage can be explicitly disposed of', () { |
| final CkAnimatedImage image = CkAnimatedImage.decodeFromBytes(kTransparentImage); |
| expect(image.box.isDeleted, false); |
| expect(image.debugDisposed, false); |
| image.dispose(); |
| expect(image.box.isDeleted, true); |
| expect(image.debugDisposed, true); |
| |
| // Disallow double-dispose. |
| expect(() => image.dispose(), throwsAssertionError); |
| }); |
| |
| test('CkAnimatedImage can be cloned and explicitly disposed of', () async { |
| final CkAnimatedImage image = CkAnimatedImage.decodeFromBytes(kTransparentImage); |
| final SkAnimatedImage skAnimatedImage = image.box.skiaObject; |
| final SkiaObjectBox<CkAnimatedImage, SkAnimatedImage> box = image.box; |
| expect(box.refCount, 1); |
| expect(box.debugGetStackTraces().length, 1); |
| |
| image.dispose(); |
| expect(box.isDeleted, true); |
| await Future<void>.delayed(Duration.zero); |
| expect(skAnimatedImage.isDeleted(), true); |
| expect(box.debugGetStackTraces().length, 0); |
| }); |
| |
| test('CkImage toString', () { |
| final SkImage skImage = |
| canvasKit.MakeAnimatedImageFromEncoded(kTransparentImage) |
| .getCurrentFrame(); |
| final CkImage image = CkImage(skImage); |
| expect(image.toString(), '[1×1]'); |
| image.dispose(); |
| }); |
| |
| test('CkImage can be explicitly disposed of', () { |
| final SkImage skImage = |
| canvasKit.MakeAnimatedImageFromEncoded(kTransparentImage) |
| .getCurrentFrame(); |
| final CkImage image = CkImage(skImage); |
| expect(image.debugDisposed, false); |
| expect(image.box.isDeleted, false); |
| image.dispose(); |
| expect(image.debugDisposed, true); |
| expect(image.box.isDeleted, true); |
| |
| // Disallow double-dispose. |
| expect(() => image.dispose(), throwsAssertionError); |
| }); |
| |
| test('CkImage can be explicitly disposed of when cloned', () async { |
| final SkImage skImage = |
| canvasKit.MakeAnimatedImageFromEncoded(kTransparentImage) |
| .getCurrentFrame(); |
| final CkImage image = CkImage(skImage); |
| final SkiaObjectBox<CkImage, SkImage> box = image.box; |
| expect(box.refCount, 1); |
| expect(box.debugGetStackTraces().length, 1); |
| |
| final CkImage imageClone = image.clone(); |
| expect(box.refCount, 2); |
| expect(box.debugGetStackTraces().length, 2); |
| |
| expect(image.isCloneOf(imageClone), true); |
| expect(box.isDeleted, false); |
| await Future<void>.delayed(Duration.zero); |
| expect(skImage.isDeleted(), false); |
| image.dispose(); |
| expect(box.isDeleted, false); |
| await Future<void>.delayed(Duration.zero); |
| expect(skImage.isDeleted(), false); |
| imageClone.dispose(); |
| expect(box.isDeleted, true); |
| await Future<void>.delayed(Duration.zero); |
| expect(skImage.isDeleted(), true); |
| expect(box.debugGetStackTraces().length, 0); |
| }); |
| |
| test('skiaInstantiateWebImageCodec throws exception if given invalid URL', |
| () async { |
| expect(skiaInstantiateWebImageCodec('invalid-url', null), |
| throwsA(isA<ProgressEvent>())); |
| }); |
| |
| test('CkImage toByteData', () async { |
| final SkImage skImage = |
| canvasKit.MakeAnimatedImageFromEncoded(kTransparentImage) |
| .getCurrentFrame(); |
| final CkImage image = CkImage(skImage); |
| expect((await image.toByteData()).lengthInBytes, greaterThan(0)); |
| expect((await image.toByteData(format: ui.ImageByteFormat.png)).lengthInBytes, greaterThan(0)); |
| }); |
| // TODO: https://github.com/flutter/flutter/issues/60040 |
| }, skip: isIosSafari); |
| } |