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| 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | |
| 2 // for details. All rights reserved. Use of this source code is governed by a | |
| 3 // BSD-style license that can be found in the LICENSE file. | |
| 4 | |
| 5 library point_test; | |
| 6 | |
| 7 import 'dart:html'; | |
| 8 import '../../pkg/unittest/lib/unittest.dart'; | |
| 9 import '../../pkg/unittest/lib/html_config.dart'; | |
| 10 | |
| 11 main() { | |
| 12 useHtmlConfiguration(); | |
| 13 | |
| 14 test('constructor', () { | |
| 15 var point = new Point(); | |
| 16 expect(point.x, 0); | |
| 17 expect(point.y, 0); | |
| 18 expect('$point', '(0, 0)'); | |
| 19 }); | |
| 20 | |
| 21 test('constructor X', () { | |
| 22 var point = new Point(10); | |
| 23 expect(point.x, 10); | |
| 24 expect(point.y, 0); | |
| 25 expect('$point', '(10, 0)'); | |
| 26 }); | |
| 27 | |
| 28 test('constructor X Y', () { | |
| 29 var point = new Point(10, 20); | |
| 30 expect(point.x, 10); | |
| 31 expect(point.y, 20); | |
| 32 expect('$point', '(10, 20)'); | |
| 33 }); | |
| 34 | |
| 35 test('constructor X Y double', () { | |
| 36 var point = new Point(10.5, 20.897); | |
| 37 expect(point.x, 10.5); | |
| 38 expect(point.y, 20.897); | |
| 39 expect('$point', '(10.5, 20.897)'); | |
| 40 }); | |
| 41 | |
| 42 test('constructor X Y NaN', () { | |
| 43 var point = new Point(double.NAN, 1000); | |
| 44 expect(point.x.isNaN, isTrue); | |
| 45 expect(point.y, 1000); | |
| 46 expect('$point', '(NaN, 1000)'); | |
| 47 }); | |
| 48 | |
| 49 test('squaredDistanceTo', () { | |
| 50 var a = new Point(7, 11); | |
| 51 var b = new Point(3, -1); | |
| 52 expect(a.squaredDistanceTo(b), 160); | |
| 53 expect(b.squaredDistanceTo(a), 160); | |
| 54 }); | |
| 55 | |
| 56 test('distanceTo', () { | |
| 57 var a = new Point(-2, -3); | |
| 58 var b = new Point(2, 0); | |
| 59 expect(a.distanceTo(b), 5); | |
| 60 expect(b.distanceTo(a), 5); | |
| 61 }); | |
| 62 | |
| 63 test('subtract', () { | |
| 64 var a = new Point(5, 10); | |
| 65 var b = new Point(2, 50); | |
| 66 expect(a - b, new Point(3, -40)); | |
| 67 }); | |
| 68 | |
| 69 test('add', () { | |
| 70 var a = new Point(5, 10); | |
| 71 var b = new Point(2, 50); | |
| 72 expect(a + b, new Point(7, 60)); | |
| 73 }); | |
| 74 | |
| 75 test('ceil', () { | |
| 76 var a = new Point(5.1, 10.8); | |
| 77 expect(a.ceil(), new Point(6.0, 11.0)); | |
| 78 | |
| 79 var b = new Point(5, 10); | |
| 80 expect(b.ceil(), new Point(5, 10)); | |
| 81 }); | |
| 82 | |
| 83 test('floor', () { | |
| 84 var a = new Point(5.1, 10.8); | |
| 85 expect(a.floor(), new Point(5.0, 10.0)); | |
| 86 | |
| 87 var b = new Point(5, 10); | |
| 88 expect(b.floor(), new Point(5, 10)); | |
| 89 }); | |
| 90 | |
| 91 test('round', () { | |
| 92 var a = new Point(5.1, 10.8); | |
| 93 expect(a.round(), new Point(5.0, 11.0)); | |
| 94 | |
| 95 var b = new Point(5, 10); | |
| 96 expect(b.round(), new Point(5, 10)); | |
| 97 }); | |
| 98 | |
| 99 test('toInt', () { | |
| 100 var a = new Point(5.1, 10.8); | |
| 101 var b = a.toInt(); | |
| 102 expect(b, new Point(5, 10)); | |
| 103 expect(b.x is int, isTrue); | |
| 104 expect(b.y is int, isTrue); | |
| 105 }); | |
| 106 | |
| 107 test('hashCode', () { | |
| 108 var a = new Point(0, 1); | |
| 109 var b = new Point(0, 1); | |
| 110 expect(a.hashCode, b.hashCode); | |
| 111 | |
| 112 var c = new Point(1, 0); | |
| 113 expect(a.hashCode == c.hashCode, isFalse); | |
| 114 }); | |
| 115 | |
| 116 test('magnitute', () { | |
| 117 var a = new Point(5, 10); | |
| 118 var b = new Point(0, 0); | |
| 119 expect(a.magnitude, a.distanceTo(b)); | |
| 120 expect(b.magnitude, 0); | |
| 121 | |
| 122 var c = new Point(-5, -10); | |
| 123 expect(c.magnitude, a.distanceTo(b)); | |
| 124 }); | |
| 125 } | |
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Chromium Code Reviews
Issue 25808002:
Move Rectangle and Point into dart:math. (Closed)
Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart