| // 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 'package:flutter/material.dart'; |
| import 'package:flutter_api_samples/widgets/transitions/relative_positioned_transition.0.dart' as example; |
| import 'package:flutter_test/flutter_test.dart'; |
| |
| void main() { |
| testWidgets('Shows flutter logo in transition', (WidgetTester tester) async { |
| await tester.pumpWidget(const example.RelativePositionedTransitionExampleApp()); |
| expect(find.byType(FlutterLogo), findsOneWidget); |
| expect(find.byType(Padding), findsAtLeast(1)); |
| expect(find.byType(RelativePositionedTransition), findsOneWidget); |
| }); |
| |
| testWidgets('Animates repeatedly every 2 seconds', (WidgetTester tester) async { |
| await tester.pumpWidget(const example.RelativePositionedTransitionExampleApp()); |
| |
| expect(tester.getSize(find.byType(FlutterLogo)), const Size(200.0 - 2.0 * 8.0, 200.0 - 2.0 * 8.0)); |
| expect(tester.getTopLeft(find.byType(FlutterLogo)), const Offset(8.0, 8.0)); |
| |
| await tester.pump(const Duration(seconds: 2)); |
| await tester.pump(); |
| |
| final Size canvasSize = tester.getSize(find.byType(LayoutBuilder)); |
| expect(tester.getSize(find.byType(FlutterLogo)), const Size(100.0 - 2.0 * 8.0, 100.0 - 2.0 * 8.0)); |
| expect(tester.getBottomRight(find.byType(FlutterLogo)), Offset(canvasSize.width - 8.0, canvasSize.height - 8.0)); |
| |
| await tester.pump(const Duration(seconds: 2)); |
| await tester.pump(); |
| |
| expect(tester.getSize(find.byType(FlutterLogo)), const Size(200.0 - 2.0 * 8.0, 200.0 - 2.0 * 8.0)); |
| expect(tester.getTopLeft(find.byType(FlutterLogo)), const Offset(8.0, 8.0)); |
| |
| await tester.pump(const Duration(seconds: 2)); |
| await tester.pump(); |
| |
| expect(tester.getSize(find.byType(FlutterLogo)), const Size(100.0 - 2.0 * 8.0, 100.0 - 2.0 * 8.0)); |
| expect(tester.getBottomRight(find.byType(FlutterLogo)), Offset(canvasSize.width - 8.0, canvasSize.height - 8.0)); |
| }); |
| } |