| // Copyright 2016 The Chromium 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_test/flutter_test.dart'; |
| import 'package:flutter/widgets.dart'; |
| |
| void main() { |
| testWidgets('BoxConstraintsTween control test', (WidgetTester tester) async { |
| final BoxConstraintsTween tween = new BoxConstraintsTween( |
| begin: new BoxConstraints.tight(const Size(20.0, 50.0)), |
| end: new BoxConstraints.tight(const Size(10.0, 30.0)) |
| ); |
| final BoxConstraints result = tween.lerp(0.25); |
| expect(result.minWidth, 17.5); |
| expect(result.maxWidth, 17.5); |
| expect(result.minHeight, 45.0); |
| expect(result.maxHeight, 45.0); |
| }); |
| |
| testWidgets('DecorationTween control test', (WidgetTester tester) async { |
| final DecorationTween tween = new DecorationTween( |
| begin: const BoxDecoration(color: const Color(0xFF00FF00)), |
| end: const BoxDecoration(color: const Color(0xFFFFFF00)) |
| ); |
| final BoxDecoration result = tween.lerp(0.25); |
| expect(result.color, const Color(0xFF3FFF00)); |
| }); |
| |
| testWidgets('EdgeInsetsTween control test', (WidgetTester tester) async { |
| final EdgeInsetsTween tween = new EdgeInsetsTween( |
| begin: const EdgeInsets.symmetric(vertical: 50.0), |
| end: const EdgeInsets.only(top: 10.0, bottom: 30.0) |
| ); |
| final EdgeInsets result = tween.lerp(0.25); |
| expect(result.left, 0.0); |
| expect(result.right, 0.0); |
| expect(result.top, 40.0); |
| expect(result.bottom, 45.0); |
| }); |
| |
| testWidgets('Matrix4Tween control test', (WidgetTester tester) async { |
| final Matrix4Tween tween = new Matrix4Tween( |
| begin: new Matrix4.translationValues(10.0, 20.0, 30.0), |
| end: new Matrix4.translationValues(14.0, 24.0, 34.0) |
| ); |
| final Matrix4 result = tween.lerp(0.25); |
| expect(result, equals(new Matrix4.translationValues(11.0, 21.0, 31.0))); |
| }); |
| } |