| // 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. |
| |
| import 'dart:typed_data'; |
| import 'dart:ui'; |
| |
| import 'package:litetest/litetest.dart'; |
| |
| final Uint8List imageData = Uint8List.fromList(<int>[ // Small WebP file |
| 0x52, 0x49, 0x46, 0x46, 0x12, 0x00, 0x00, 0x00, 0x57, 0x45, 0x42, 0x50, 0x56, 0x50, 0x38, 0x4c, // |RIFF....WEBPVP8L| |
| 0x06, 0x00, 0x00, 0x00, 0x2f, 0x41, 0x6c, 0x6f, 0x00, 0x6b, // |..../Alo.k| |
| ]); |
| |
| void main() { |
| test('Stringification of native objects exposed in Dart', () async { |
| expect(SemanticsUpdateBuilder().toString(), 'SemanticsUpdateBuilder'); |
| expect(SemanticsUpdateBuilder().build().toString(), 'SemanticsUpdate'); |
| expect(ParagraphBuilder(ParagraphStyle()).toString(), 'ParagraphBuilder'); |
| expect(ParagraphBuilder(ParagraphStyle()).build().toString(), 'Paragraph(dirty)'); |
| expect((await instantiateImageCodec(imageData)).toString(), 'Codec()'); |
| expect(Path().toString(), 'Path'); |
| final PictureRecorder recorder = PictureRecorder(); |
| expect(recorder.toString(), 'PictureRecorder(recording: false)'); |
| final Canvas canvas = Canvas(recorder); |
| expect(recorder.toString(), 'PictureRecorder(recording: true)'); |
| expect(canvas.toString(), 'Canvas(recording: true)'); |
| final Picture picture = recorder.endRecording(); |
| expect(recorder.toString(), 'PictureRecorder(recording: false)'); |
| expect(canvas.toString(), 'Canvas(recording: false)'); |
| expect(picture.toString(), 'Picture'); |
| expect( |
| ImageDescriptor.raw( |
| await ImmutableBuffer.fromUint8List(Uint8List.fromList(<int>[0, 0, 0, 0])), |
| width: 1, |
| height: 1, |
| pixelFormat: PixelFormat.rgba8888, |
| ).toString(), 'ImageDescriptor(width: 1, height: 1, bytes per pixel: 4)', |
| ); |
| expect(SceneBuilder().toString(), 'SceneBuilder'); |
| expect(SceneBuilder().build().toString(), 'Scene'); |
| }); |
| } |