| // 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_test/flutter_test.dart'; |
| |
| void main() { |
| test('MaterialPointArcTween control test', () { |
| final MaterialPointArcTween a = MaterialPointArcTween( |
| begin: Offset.zero, |
| end: const Offset(0.0, 10.0), |
| ); |
| |
| final MaterialPointArcTween b = MaterialPointArcTween( |
| begin: Offset.zero, |
| end: const Offset(0.0, 10.0), |
| ); |
| |
| expect(a, hasOneLineDescription); |
| expect(a.toString(), equals(b.toString())); |
| }); |
| |
| test('MaterialRectArcTween control test', () { |
| final MaterialRectArcTween a = MaterialRectArcTween( |
| begin: const Rect.fromLTWH(0.0, 0.0, 10.0, 10.0), |
| end: const Rect.fromLTWH(0.0, 10.0, 10.0, 10.0), |
| ); |
| |
| final MaterialRectArcTween b = MaterialRectArcTween( |
| begin: const Rect.fromLTWH(0.0, 0.0, 10.0, 10.0), |
| end: const Rect.fromLTWH(0.0, 10.0, 10.0, 10.0), |
| ); |
| expect(a, hasOneLineDescription); |
| expect(a.toString(), equals(b.toString())); |
| }); |
| |
| test('on-axis MaterialPointArcTween', () { |
| MaterialPointArcTween tween = MaterialPointArcTween( |
| begin: Offset.zero, |
| end: const Offset(0.0, 10.0), |
| ); |
| expect(tween.lerp(0.5), equals(const Offset(0.0, 5.0))); |
| expect(tween, hasOneLineDescription); |
| |
| tween = MaterialPointArcTween( |
| begin: Offset.zero, |
| end: const Offset(10.0, 0.0), |
| ); |
| expect(tween.lerp(0.5), equals(const Offset(5.0, 0.0))); |
| }); |
| |
| test('on-axis MaterialRectArcTween', () { |
| MaterialRectArcTween tween = MaterialRectArcTween( |
| begin: const Rect.fromLTWH(0.0, 0.0, 10.0, 10.0), |
| end: const Rect.fromLTWH(0.0, 10.0, 10.0, 10.0), |
| ); |
| expect(tween.lerp(0.5), equals(const Rect.fromLTWH(0.0, 5.0, 10.0, 10.0))); |
| expect(tween, hasOneLineDescription); |
| |
| tween = MaterialRectArcTween( |
| begin: const Rect.fromLTWH(0.0, 0.0, 10.0, 10.0), |
| end: const Rect.fromLTWH(10.0, 0.0, 10.0, 10.0), |
| ); |
| expect(tween.lerp(0.5), equals(const Rect.fromLTWH(5.0, 0.0, 10.0, 10.0))); |
| }); |
| |
| test('MaterialPointArcTween', () { |
| const Offset begin = Offset(180.0, 110.0); |
| const Offset end = Offset(37.0, 250.0); |
| |
| MaterialPointArcTween tween = MaterialPointArcTween(begin: begin, end: end); |
| expect(tween.lerp(0.0), begin); |
| expect(tween.lerp(0.25), within<Offset>(distance: 2.0, from: const Offset(126.0, 120.0))); |
| expect(tween.lerp(0.75), within<Offset>(distance: 2.0, from: const Offset(48.0, 196.0))); |
| expect(tween.lerp(1.0), end); |
| |
| tween = MaterialPointArcTween(begin: end, end: begin); |
| expect(tween.lerp(0.0), end); |
| expect(tween.lerp(0.25), within<Offset>(distance: 2.0, from: const Offset(91.0, 239.0))); |
| expect(tween.lerp(0.75), within<Offset>(distance: 2.0, from: const Offset(168.3, 163.8))); |
| expect(tween.lerp(1.0), begin); |
| }); |
| |
| test('MaterialRectArcTween', () { |
| const Rect begin = Rect.fromLTRB(180.0, 100.0, 330.0, 200.0); |
| const Rect end = Rect.fromLTRB(32.0, 275.0, 132.0, 425.0); |
| |
| bool sameRect(Rect a, Rect b) { |
| return (a.left - b.left).abs() < 2.0 |
| && (a.top - b.top).abs() < 2.0 |
| && (a.right - b.right).abs() < 2.0 |
| && (a.bottom - b.bottom).abs() < 2.0; |
| } |
| |
| MaterialRectArcTween tween = MaterialRectArcTween(begin: begin, end: end); |
| expect(tween.lerp(0.0), begin); |
| expect(sameRect(tween.lerp(0.25), const Rect.fromLTRB(120.0, 113.0, 259.0, 237.0)), isTrue); |
| expect(sameRect(tween.lerp(0.75), const Rect.fromLTRB(42.3, 206.5, 153.5, 354.7)), isTrue); |
| expect(tween.lerp(1.0), end); |
| |
| tween = MaterialRectArcTween(begin: end, end: begin); |
| expect(tween.lerp(0.0), end); |
| expect(sameRect(tween.lerp(0.25), const Rect.fromLTRB(92.0, 262.0, 203.0, 388.0)), isTrue); |
| expect(sameRect(tween.lerp(0.75), const Rect.fromLTRB(169.7, 168.5, 308.5, 270.3)), isTrue); |
| expect(tween.lerp(1.0), begin); |
| }); |
| |
| } |