| // 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. |
| |
| import 'dart:async'; |
| import 'dart:typed_data'; |
| |
| import 'package:flutter/painting.dart'; |
| import 'package:flutter_test/flutter_test.dart'; |
| |
| import '../image_data.dart'; |
| import '../rendering/rendering_tester.dart'; |
| |
| void main() { |
| TestRenderingFlutterBinding.ensureInitialized(); |
| |
| test("Clearing images while they're pending does not crash", () async { |
| final Uint8List bytes = Uint8List.fromList(kTransparentImage); |
| final MemoryImage memoryImage = MemoryImage(bytes); |
| final ImageStream stream = memoryImage.resolve(ImageConfiguration.empty); |
| final Completer<void> completer = Completer<void>(); |
| FlutterError.onError = (FlutterErrorDetails error) { completer.completeError(error.exception, error.stack); }; |
| stream.addListener(ImageStreamListener( |
| (ImageInfo image, bool synchronousCall) { |
| completer.complete(); |
| }, |
| )); |
| imageCache.clearLiveImages(); |
| await completer.future; |
| }); |
| } |