// 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(backgroundColor: const Color(0xFF00FF00)), end: const BoxDecoration(backgroundColor: const Color(0xFFFFFF00)) ); final BoxDecoration result = tween.lerp(0.25); expect(result.backgroundColor, 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))); }); }