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<!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.
-->
<!--
Coordinate3 Unit Tests
-->
<head>
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>Closure Unit Tests - goog.math.Coordinate3</title>
<script src="../base.js"></script>
<script>
goog.require('goog.testing.jsunit');
goog.require('goog.math.Coordinate3');
</script>
</head>
<body>
<script>
function assertCoordinate3Equals(a, b) {
assertTrue(b + ' should be equal to ' + a,
goog.math.Coordinate3.equals(a, b));
}
function testCoordinate3MissingXYZ() {
var noXYZ = new goog.math.Coordinate3();
assertEquals(0, noXYZ.x);
assertEquals(0, noXYZ.y);
assertEquals(0, noXYZ.z);
assertCoordinate3Equals(noXYZ, new goog.math.Coordinate3());
}
function testCoordinate3MissingYZ() {
var noYZ = new goog.math.Coordinate3(10);
assertEquals(10, noYZ.x);
assertEquals(0, noYZ.y);
assertEquals(0, noYZ.z);
assertCoordinate3Equals(noYZ, new goog.math.Coordinate3(10));
}
function testCoordinate3MissingZ() {
var noZ = new goog.math.Coordinate3(10, 20);
assertEquals(10, noZ.x);
assertEquals(20, noZ.y);
assertEquals(0, noZ.z);
assertCoordinate3Equals(noZ, new goog.math.Coordinate3(10, 20));
}
function testCoordinate3IntegerValues() {
var intCoord = new goog.math.Coordinate3(10, 20, -19);
assertEquals(10, intCoord.x);
assertEquals(20, intCoord.y);
assertEquals(-19, intCoord.z);
assertCoordinate3Equals(intCoord, new goog.math.Coordinate3(10, 20, -19));
}
function testCoordinate3FloatValues() {
var floatCoord = new goog.math.Coordinate3(10.5, 20.897, -71.385);
assertEquals(10.5, floatCoord.x);
assertEquals(20.897, floatCoord.y);
assertEquals(-71.385, floatCoord.z);
assertCoordinate3Equals(floatCoord,
new goog.math.Coordinate3(10.5, 20.897, -71.385));
}
function testCoordinate3OneNonNumericValue() {
var dim5 = new goog.math.Coordinate3('ten', 1000, 85);
assertTrue(isNaN(dim5.x));
assertEquals(1000, dim5.y);
assertEquals(85, dim5.z);
}
function testCoordinate3AllNonNumericValues() {
var nonNumeric = new goog.math.Coordinate3('ten',
{woop: 'test'},
Math.sqrt(-1));
assertTrue(isNaN(nonNumeric.x));
assertTrue(isNaN(nonNumeric.y));
assertTrue(isNaN(nonNumeric.z));
}
function testCoordinate3Origin() {
var origin = new goog.math.Coordinate3(0, 0, 0);
assertEquals(0, origin.x);
assertEquals(0, origin.y);
assertEquals(0, origin.z);
assertCoordinate3Equals(origin, new goog.math.Coordinate3(0, 0, 0));
}
function testCoordinate3Clone() {
var c = new goog.math.Coordinate3();
assertCoordinate3Equals(c, c.clone());
c.x = -12;
c.y = 13;
c.z = 5;
assertCoordinate3Equals(c, c.clone());
}
function testToString() {
assertEquals('(0, 0, 0)', new
goog.math.Coordinate3().toString());
assertEquals('(1, 0, 0)', new
goog.math.Coordinate3(1).toString());
assertEquals('(1, 2, 0)', new
goog.math.Coordinate3(1, 2).toString());
assertEquals('(0, 0, 0)', new goog.math.Coordinate3(0, 0, 0).toString());
assertEquals('(1, 2, 3)', new goog.math.Coordinate3(1, 2, 3).toString());
assertEquals('(-4, 5, -3)', new goog.math.Coordinate3(-4, 5, -3).toString());
assertEquals('(11.25, -71.935, 2.8)',
new goog.math.Coordinate3(11.25, -71.935, 2.8).toString());
}
function testEquals() {
var a = new goog.math.Coordinate3(3, 4, 5);
var b = new goog.math.Coordinate3(3, 4, 5);
var c = new goog.math.Coordinate3(-3, 4, -5);
assertTrue(goog.math.Coordinate3.equals(null, null));
assertFalse(goog.math.Coordinate3.equals(a, null));
assertTrue(goog.math.Coordinate3.equals(a, a));
assertTrue(goog.math.Coordinate3.equals(a, b));
assertFalse(goog.math.Coordinate3.equals(a, c));
}
function testCoordinate3Distance() {
var a = new goog.math.Coordinate3(-2, -3, 1);
var b = new goog.math.Coordinate3(2, 0, 1);
assertEquals(5, goog.math.Coordinate3.distance(a, b));
}
function testCoordinate3SquaredDistance() {
var a = new goog.math.Coordinate3(7, 11, 1);
var b = new goog.math.Coordinate3(3, -1, 1);
assertEquals(160, goog.math.Coordinate3.squaredDistance(a, b));
}
function testCoordinate3Difference() {
var a = new goog.math.Coordinate3(7, 11, 1);
var b = new goog.math.Coordinate3(3, -1, 1);
assertCoordinate3Equals(goog.math.Coordinate3.difference(a, b),
new goog.math.Coordinate3(4, 12, 0));
}
function testToArray() {
var a = new goog.math.Coordinate3(7, 11, 1);
var b = a.toArray();
assertEquals(b.length, 3);
assertEquals(b[0], 7);
assertEquals(b[1], 11);
assertEquals(b[2], 1);
var c = new goog.math.Coordinate3('abc', 'def', 'xyz');
var result = c.toArray();
assertTrue(isNaN(result[0]));
assertTrue(isNaN(result[1]));
assertTrue(isNaN(result[2]));
}
function testFromArray() {
var a = [1, 2, 3];
var b = goog.math.Coordinate3.fromArray(a);
assertEquals('(1, 2, 3)', b.toString());
var c = [1, 2];
var d = goog.math.Coordinate3.fromArray(c);
assertEquals('(1, 2, 0)', d.toString());
var e = [1];
var f = goog.math.Coordinate3.fromArray(e);
assertEquals('(1, 0, 0)', f.toString());
var g = [];
var h = goog.math.Coordinate3.fromArray(g);
assertEquals('(0, 0, 0)', h.toString());
var tooLong = [1, 2, 3, 4, 5, 6];
assertThrows('Error should be thrown attempting to convert an invalid type.',
goog.partial(goog.math.Coordinate3.fromArray, tooLong));
}
</script>
</body>
</html>
|
