1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
<!DOCTYPE html>
<html>
<!--
Copyright 2008 The Closure Library Authors. All Rights Reserved.
Use of this source code is governed by the Apache License, Version 2.0.
See the COPYING file for details.
-->
<head>
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>Closure Unit Tests - goog.math.Line</title>
<script src="../base.js"></script>
<script>
goog.require('goog.math.Coordinate');
goog.require('goog.math.Line');
goog.require('goog.testing.jsunit');
</script>
</head>
<body>
<script>
function testEquals() {
var input = new goog.math.Line(1, 2, 3, 4);
assert(input.equals(input));
}
function testClone() {
var input = new goog.math.Line(1, 2, 3, 4);
assertNotEquals('Clone returns a new object', input, input.clone())
assertTrue('Contents of clone match original', input.equals(input.clone()));
}
function testGetLength() {
var input = new goog.math.Line(0, 0, Math.sqrt(2), Math.sqrt(2));
assertRoughlyEquals(input.getSegmentLengthSquared(), 4, 1e-10);
assertRoughlyEquals(input.getSegmentLength(), 2, 1e-10);
}
function testGetClosestPoint() {
var input = new goog.math.Line(0, 1, 1, 2);
var point = input.getClosestPoint(0, 3);
assertRoughlyEquals(point.x, 1, 1e-10);
assertRoughlyEquals(point.y, 2, 1e-10);
}
function testGetClosestSegmentPoint() {
var input = new goog.math.Line(0, 1, 2, 3);
var point = input.getClosestSegmentPoint(4, 4);
assertRoughlyEquals(point.x, 2, 1e-10);
assertRoughlyEquals(point.y, 3, 1e-10);
point = input.getClosestSegmentPoint(new goog.math.Coordinate(-1, -10));
assertRoughlyEquals(point.x, 0, 1e-10);
assertRoughlyEquals(point.y, 1, 1e-10);
}
</script>
</body>
</html>
|
