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Side by Side Diff: tests/lib/math/point_test.dart

Issue 25808002: Move Rectangle and Point into dart:math. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Created 7 years, 2 months ago
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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file 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 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. 3 // BSD-style license that can be found in the LICENSE file.
4 4
5 library point_test; 5 library point_test;
6 6
7 import 'dart:html'; 7 import 'dart:math';
8 import '../../pkg/unittest/lib/unittest.dart'; 8 import 'package:unittest/unittest.dart';
9 import '../../pkg/unittest/lib/html_config.dart';
10 9
11 main() { 10 main() {
12 useHtmlConfiguration();
13
14 test('constructor', () { 11 test('constructor', () {
15 var point = new Point(); 12 var point = new Point();
16 expect(point.x, 0); 13 expect(point.x, 0);
17 expect(point.y, 0); 14 expect(point.y, 0);
18 expect('$point', '(0, 0)'); 15 expect('$point', 'Point(0, 0)');
19 }); 16 });
20 17
21 test('constructor X', () { 18 test('constructor X', () {
22 var point = new Point(10); 19 var point = new Point<int>(10);
23 expect(point.x, 10); 20 expect(point.x, 10);
24 expect(point.y, 0); 21 expect(point.y, 0);
25 expect('$point', '(10, 0)'); 22 expect('$point', 'Point(10, 0)');
26 }); 23 });
27 24
28 test('constructor X Y', () { 25 test('constructor X Y', () {
29 var point = new Point(10, 20); 26 var point = new Point<int>(10, 20);
30 expect(point.x, 10); 27 expect(point.x, 10);
31 expect(point.y, 20); 28 expect(point.y, 20);
32 expect('$point', '(10, 20)'); 29 expect('$point', 'Point(10, 20)');
33 }); 30 });
34 31
35 test('constructor X Y double', () { 32 test('constructor X Y double', () {
36 var point = new Point(10.5, 20.897); 33 var point = new Point<double>(10.5, 20.897);
37 expect(point.x, 10.5); 34 expect(point.x, 10.5);
38 expect(point.y, 20.897); 35 expect(point.y, 20.897);
39 expect('$point', '(10.5, 20.897)'); 36 expect('$point', 'Point(10.5, 20.897)');
40 }); 37 });
41 38
42 test('constructor X Y NaN', () { 39 test('constructor X Y NaN', () {
43 var point = new Point(double.NAN, 1000); 40 var point = new Point(double.NAN, 1000);
44 expect(point.x.isNaN, isTrue); 41 expect(point.x.isNaN, isTrue);
45 expect(point.y, 1000); 42 expect(point.y, 1000);
46 expect('$point', '(NaN, 1000)'); 43 expect('$point', 'Point(NaN, 1000)');
47 }); 44 });
48 45
49 test('squaredDistanceTo', () { 46 test('squaredDistanceTo', () {
50 var a = new Point(7, 11); 47 var a = new Point(7, 11);
51 var b = new Point(3, -1); 48 var b = new Point(3, -1);
52 expect(a.squaredDistanceTo(b), 160); 49 expect(a.squaredDistanceTo(b), 160);
53 expect(b.squaredDistanceTo(a), 160); 50 expect(b.squaredDistanceTo(a), 160);
54 }); 51 });
55 52
56 test('distanceTo', () { 53 test('distanceTo', () {
57 var a = new Point(-2, -3); 54 var a = new Point(-2, -3);
58 var b = new Point(2, 0); 55 var b = new Point(2, 0);
59 expect(a.distanceTo(b), 5); 56 expect(a.distanceTo(b), 5);
60 expect(b.distanceTo(a), 5); 57 expect(b.distanceTo(a), 5);
61 }); 58 });
62 59
63 test('subtract', () { 60 test('subtract', () {
64 var a = new Point(5, 10); 61 var a = new Point(5, 10);
65 var b = new Point(2, 50); 62 var b = new Point(2, 50);
66 expect(a - b, new Point(3, -40)); 63 expect(a - b, new Point(3, -40));
67 }); 64 });
68 65
69 test('add', () { 66 test('add', () {
70 var a = new Point(5, 10); 67 var a = new Point(5, 10);
71 var b = new Point(2, 50); 68 var b = new Point(2, 50);
72 expect(a + b, new Point(7, 60)); 69 expect(a + b, new Point(7, 60));
73 }); 70 });
74 71
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', () { 72 test('hashCode', () {
108 var a = new Point(0, 1); 73 var a = new Point(0, 1);
109 var b = new Point(0, 1); 74 var b = new Point(0, 1);
110 expect(a.hashCode, b.hashCode); 75 expect(a.hashCode, b.hashCode);
111 76
112 var c = new Point(1, 0); 77 var c = new Point(1, 0);
113 expect(a.hashCode == c.hashCode, isFalse); 78 expect(a.hashCode == c.hashCode, isFalse);
114 }); 79 });
115 80
116 test('magnitute', () { 81 test('magnitute', () {
117 var a = new Point(5, 10); 82 var a = new Point(5, 10);
118 var b = new Point(0, 0); 83 var b = new Point(0, 0);
119 expect(a.magnitude, a.distanceTo(b)); 84 expect(a.magnitude, a.distanceTo(b));
120 expect(b.magnitude, 0); 85 expect(b.magnitude, 0);
121 86
122 var c = new Point(-5, -10); 87 var c = new Point(-5, -10);
123 expect(c.magnitude, a.distanceTo(b)); 88 expect(c.magnitude, a.distanceTo(b));
124 }); 89 });
125 } 90 }
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