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Fixed leak and removed no-shuffle tag in ticker_test.dart (#88426)

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Alexander Dahlberg 2021-08-24 00:22:06 +02:00 committed by GitHub
parent 04de2ed3d5
commit 86d7ec4548
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1 changed files with 13 additions and 12 deletions
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25
packages/flutter/test/scheduler/ticker_test.dart
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@ -2,18 +2,19 @@
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// TODO(gspencergoog): Remove this tag once this test's state leaks/test
// dependencies have been fixed.
// https://github.com/flutter/flutter/issues/85160
// Fails with "flutter test --test-randomize-ordering-seed=4281596210"
@Tags(<String>['no-shuffle'])
import 'package:flutter/foundation.dart';
import 'package:flutter/scheduler.dart';
import 'package:flutter/services.dart';
import 'package:flutter_test/flutter_test.dart';
void main() {
Future<void> setAppLifeCycleState(AppLifecycleState state) async {
final ByteData? message =
const StringCodec().encodeMessage(state.toString());
await ServicesBinding.instance!.defaultBinaryMessenger
.handlePlatformMessage('flutter/lifecycle', message, (_) {});
}
testWidgets('Ticker mute control test', (WidgetTester tester) async {
int tickCount = 0;
void handleTick(Duration duration) {
@ -154,17 +155,18 @@ void main() {
expect(ticker.isActive, isTrue);
expect(tickCount, equals(0));
final ByteData? message = const StringCodec().encodeMessage('AppLifecycleState.paused');
await ServicesBinding.instance!.defaultBinaryMessenger.handlePlatformMessage('flutter/lifecycle', message, (_) { });
setAppLifeCycleState(AppLifecycleState.paused);
expect(ticker.isTicking, isFalse);
expect(ticker.isActive, isTrue);
ticker.stop();
setAppLifeCycleState(AppLifecycleState.resumed);
});
testWidgets('Ticker can be created before application unpauses', (WidgetTester tester) async {
final ByteData? pausedMessage = const StringCodec().encodeMessage('AppLifecycleState.paused');
await ServicesBinding.instance!.defaultBinaryMessenger.handlePlatformMessage('flutter/lifecycle', pausedMessage, (_) { });
setAppLifeCycleState(AppLifecycleState.paused);
int tickCount = 0;
void handleTick(Duration duration) {
@ -182,8 +184,7 @@ void main() {
expect(tickCount, equals(0));
expect(ticker.isTicking, isFalse);
final ByteData? resumedMessage = const StringCodec().encodeMessage('AppLifecycleState.resumed');
await ServicesBinding.instance!.defaultBinaryMessenger.handlePlatformMessage('flutter/lifecycle', resumedMessage, (_) { });
setAppLifeCycleState(AppLifecycleState.resumed);
await tester.pump(const Duration(milliseconds: 10));