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This auto-formats all *.dart files in the repository outside of the `engine` subdirectory and enforces that these files stay formatted with a presubmit check. **Reviewers:** Please carefully review all the commits except for the one titled "formatted". The "formatted" commit was auto-generated by running `dev/tools/format.sh -a -f`. The other commits were hand-crafted to prepare the repo for the formatting change. I recommend reviewing the commits one-by-one via the "Commits" tab and avoiding Github's "Files changed" tab as it will likely slow down your browser because of the size of this PR. --------- Co-authored-by: Kate Lovett <katelovett@google.com> Co-authored-by: LongCatIsLooong <31859944+LongCatIsLooong@users.noreply.github.com>
86 lines
3.0 KiB
Dart
86 lines
3.0 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 'dart:ui';
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import 'package:flutter/material.dart';
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import 'package:flutter_api_samples/widgets/implicit_animations/animated_positioned.0.dart'
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as example;
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import 'package:flutter_test/flutter_test.dart';
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void main() {
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testWidgets('AnimatedPositioned animates on tap', (WidgetTester tester) async {
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await tester.pumpWidget(const example.AnimatedPositionedExampleApp());
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final Finder positionedFinder = find.descendant(
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of: find.byType(AnimatedPositioned),
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matching: find.byType(Positioned),
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);
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const double beginWidth = 50.0;
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const double endWidth = 200.0;
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const double beginHeight = 200.0;
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const double endHeight = 50.0;
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const double beginTop = 150.0;
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const double endTop = 50.0;
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Positioned positioned = tester.widget(positionedFinder);
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expect(positioned.width, beginWidth);
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expect(positioned.height, beginHeight);
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expect(positioned.top, beginTop);
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// Tap on the 'Tap me' text to start the forward animation.
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await tester.tap(find.text('Tap me'));
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await tester.pump();
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positioned = tester.widget(positionedFinder);
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expect(positioned.width, beginWidth);
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expect(positioned.height, beginHeight);
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expect(positioned.top, beginTop);
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// Advance animation to the middle.
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await tester.pump(example.AnimatedPositionedExampleApp.duration ~/ 2);
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final double t = example.AnimatedPositionedExampleApp.curve.transform(0.5);
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positioned = tester.widget(positionedFinder);
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expect(positioned.width, lerpDouble(beginWidth, endWidth, t));
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expect(positioned.height, lerpDouble(beginHeight, endHeight, t));
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expect(positioned.top, lerpDouble(beginTop, endTop, t));
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// Advance animation to the end.
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await tester.pump(example.AnimatedPositionedExampleApp.duration ~/ 2);
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positioned = tester.widget(positionedFinder);
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expect(positioned.width, endWidth);
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expect(positioned.height, endHeight);
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expect(positioned.top, endTop);
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// Tap on the 'Tap me' text again to start the reverse animation.
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await tester.tap(find.text('Tap me'));
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await tester.pump();
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positioned = tester.widget(positionedFinder);
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expect(positioned.width, endWidth);
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expect(positioned.height, endHeight);
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expect(positioned.top, endTop);
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// Advance animation to the middle.
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await tester.pump(example.AnimatedPositionedExampleApp.duration ~/ 2);
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positioned = tester.widget(positionedFinder);
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expect(positioned.width, lerpDouble(endWidth, beginWidth, t));
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expect(positioned.height, lerpDouble(endHeight, beginHeight, t));
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expect(positioned.top, lerpDouble(endTop, beginTop, t));
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// Advance animation to the end.
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await tester.pump(example.AnimatedPositionedExampleApp.duration ~/ 2);
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positioned = tester.widget(positionedFinder);
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expect(positioned.width, beginWidth);
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expect(positioned.height, beginHeight);
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expect(positioned.top, beginTop);
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});
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}
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