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WIP Commits separated as follows: - Update lints in analysis_options files - Run `dart fix --apply` - Clean up leftover analysis issues - Run `dart format .` in the right places. Local analysis and testing passes. Checking CI now. Part of https://github.com/flutter/flutter/issues/178827 - Adoption of flutter_lints in examples/api coming in a separate change (cc @loic-sharma) ## Pre-launch Checklist - [ ] I read the [Contributor Guide] and followed the process outlined there for submitting PRs. - [ ] I read the [Tree Hygiene] wiki page, which explains my responsibilities. - [ ] I read and followed the [Flutter Style Guide], including [Features we expect every widget to implement]. - [ ] I signed the [CLA]. - [ ] I listed at least one issue that this PR fixes in the description above. - [ ] I updated/added relevant documentation (doc comments with `///`). - [ ] I added new tests to check the change I am making, or this PR is [test-exempt]. - [ ] I followed the [breaking change policy] and added [Data Driven Fixes] where supported. - [ ] All existing and new tests are passing. If you need help, consider asking for advice on the #hackers-new channel on [Discord]. **Note**: The Flutter team is currently trialing the use of [Gemini Code Assist for GitHub](https://developers.google.com/gemini-code-assist/docs/review-github-code). Comments from the `gemini-code-assist` bot should not be taken as authoritative feedback from the Flutter team. If you find its comments useful you can update your code accordingly, but if you are unsure or disagree with the feedback, please feel free to wait for a Flutter team member's review for guidance on which automated comments should be addressed. <!-- Links --> [Contributor Guide]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#overview [Tree Hygiene]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md [test-exempt]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#tests [Flutter Style Guide]: https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md [Features we expect every widget to implement]: https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md#features-we-expect-every-widget-to-implement [CLA]: https://cla.developers.google.com/ [flutter/tests]: https://github.com/flutter/tests [breaking change policy]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#handling-breaking-changes [Discord]: https://github.com/flutter/flutter/blob/main/docs/contributing/Chat.md [Data Driven Fixes]: https://github.com/flutter/flutter/blob/main/docs/contributing/Data-driven-Fixes.md
195 lines
7.5 KiB
Dart
195 lines
7.5 KiB
Dart
// Copyright 2014 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'package:flutter/animation.dart';
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import 'package:flutter/widgets.dart';
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import 'package:flutter_test/flutter_test.dart';
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void main() {
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testWidgets('awaiting animation controllers - using direct future', (WidgetTester tester) async {
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final controller1 = AnimationController(
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duration: const Duration(milliseconds: 100),
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vsync: const TestVSync(),
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);
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addTearDown(controller1.dispose);
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final controller2 = AnimationController(
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duration: const Duration(milliseconds: 600),
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vsync: const TestVSync(),
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);
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addTearDown(controller2.dispose);
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final controller3 = AnimationController(
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duration: const Duration(milliseconds: 300),
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vsync: const TestVSync(),
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);
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addTearDown(controller3.dispose);
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final log = <String>[];
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Future<void> runTest() async {
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log.add('a'); // t=0
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await controller1.forward(); // starts at t=0 again
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log.add('b'); // wants to end at t=100 but missed frames until t=150
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await controller2.forward(); // starts at t=150
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log.add('c'); // wants to end at t=750 but missed frames until t=799
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await controller3.forward(); // starts at t=799
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log.add('d'); // wants to end at t=1099 but missed frames until t=1200
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}
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log.add('start');
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runTest().then((void value) {
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log.add('end');
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});
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await tester.pump(); // t=0
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expect(log, <String>['start', 'a']);
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await tester.pump(); // t=0 again
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expect(log, <String>['start', 'a']);
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await tester.pump(const Duration(milliseconds: 50)); // t=50
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expect(log, <String>['start', 'a']);
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await tester.pump(const Duration(milliseconds: 100)); // t=150
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expect(log, <String>['start', 'a', 'b']);
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await tester.pump(const Duration(milliseconds: 50)); // t=200
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expect(log, <String>['start', 'a', 'b']);
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await tester.pump(const Duration(milliseconds: 400)); // t=600
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expect(log, <String>['start', 'a', 'b']);
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await tester.pump(const Duration(milliseconds: 199)); // t=799
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expect(log, <String>['start', 'a', 'b', 'c']);
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await tester.pump(const Duration(milliseconds: 51)); // t=850
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expect(log, <String>['start', 'a', 'b', 'c']);
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await tester.pump(const Duration(milliseconds: 400)); // t=1200
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expect(log, <String>['start', 'a', 'b', 'c', 'd', 'end']);
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await tester.pump(const Duration(milliseconds: 400)); // t=1600
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expect(log, <String>['start', 'a', 'b', 'c', 'd', 'end']);
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});
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testWidgets('awaiting animation controllers - using orCancel', (WidgetTester tester) async {
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final controller1 = AnimationController(
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duration: const Duration(milliseconds: 100),
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vsync: const TestVSync(),
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);
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addTearDown(controller1.dispose);
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final controller2 = AnimationController(
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duration: const Duration(milliseconds: 600),
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vsync: const TestVSync(),
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);
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addTearDown(controller2.dispose);
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final controller3 = AnimationController(
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duration: const Duration(milliseconds: 300),
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vsync: const TestVSync(),
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);
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addTearDown(controller3.dispose);
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final log = <String>[];
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Future<void> runTest() async {
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log.add('a'); // t=0
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await controller1.forward().orCancel; // starts at t=0 again
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log.add('b'); // wants to end at t=100 but missed frames until t=150
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await controller2.forward().orCancel; // starts at t=150
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log.add('c'); // wants to end at t=750 but missed frames until t=799
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await controller3.forward().orCancel; // starts at t=799
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log.add('d'); // wants to end at t=1099 but missed frames until t=1200
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}
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log.add('start');
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runTest().then((void value) {
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log.add('end');
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});
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await tester.pump(); // t=0
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expect(log, <String>['start', 'a']);
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await tester.pump(); // t=0 again
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expect(log, <String>['start', 'a']);
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await tester.pump(const Duration(milliseconds: 50)); // t=50
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expect(log, <String>['start', 'a']);
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await tester.pump(const Duration(milliseconds: 100)); // t=150
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expect(log, <String>['start', 'a', 'b']);
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await tester.pump(const Duration(milliseconds: 50)); // t=200
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expect(log, <String>['start', 'a', 'b']);
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await tester.pump(const Duration(milliseconds: 400)); // t=600
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expect(log, <String>['start', 'a', 'b']);
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await tester.pump(const Duration(milliseconds: 199)); // t=799
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expect(log, <String>['start', 'a', 'b', 'c']);
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await tester.pump(const Duration(milliseconds: 51)); // t=850
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expect(log, <String>['start', 'a', 'b', 'c']);
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await tester.pump(const Duration(milliseconds: 400)); // t=1200
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expect(log, <String>['start', 'a', 'b', 'c', 'd', 'end']);
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await tester.pump(const Duration(milliseconds: 400)); // t=1600
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expect(log, <String>['start', 'a', 'b', 'c', 'd', 'end']);
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});
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testWidgets('awaiting animation controllers and failing', (WidgetTester tester) async {
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final controller1 = AnimationController(
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duration: const Duration(milliseconds: 100),
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vsync: const TestVSync(),
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);
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final log = <String>[];
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Future<void> runTest() async {
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try {
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log.add('start');
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await controller1.forward().orCancel;
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log.add('fail');
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} on TickerCanceled {
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log.add('caught');
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}
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}
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runTest().then((void value) {
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log.add('end');
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});
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await tester.pump(); // start ticker
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expect(log, <String>['start']);
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await tester.pump(const Duration(milliseconds: 50));
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expect(log, <String>['start']);
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controller1.dispose();
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expect(log, <String>['start']);
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await tester.idle();
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expect(log, <String>['start', 'caught', 'end']);
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});
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testWidgets('creating orCancel future later', (WidgetTester tester) async {
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final controller1 = AnimationController(
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duration: const Duration(milliseconds: 100),
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vsync: const TestVSync(),
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);
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addTearDown(controller1.dispose);
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final TickerFuture f = controller1.forward();
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await tester.pump(); // start ticker
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await tester.pump(const Duration(milliseconds: 200)); // end ticker
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await f; // should be a no-op
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await f.orCancel; // should create a resolved future
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expect(true, isTrue); // should reach here
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});
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testWidgets('creating orCancel future later', (WidgetTester tester) async {
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final controller1 = AnimationController(
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duration: const Duration(milliseconds: 100),
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vsync: const TestVSync(),
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);
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addTearDown(controller1.dispose);
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final TickerFuture f = controller1.forward();
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await tester.pump(); // start ticker
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controller1.stop(); // cancel ticker
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var ok = false;
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try {
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await f.orCancel; // should create a resolved future
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} on TickerCanceled {
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ok = true;
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}
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expect(ok, isTrue); // should reach here
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});
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testWidgets('TickerFuture is a Future', (WidgetTester tester) async {
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final controller1 = AnimationController(
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duration: const Duration(milliseconds: 100),
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vsync: const TestVSync(),
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);
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addTearDown(controller1.dispose);
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final TickerFuture f = controller1.forward();
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await tester.pump(); // start ticker
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await tester.pump(const Duration(milliseconds: 200)); // end ticker
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expect(f.asStream().single, isA<Future<void>>());
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await f.catchError((dynamic e) {
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throw 'do not reach';
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});
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expect(await f.then<bool>((_) => true), isTrue);
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expect(f.whenComplete(() => false), isA<Future<void>>());
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expect(f.timeout(const Duration(seconds: 5)), isA<Future<void>>());
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});
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}
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