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<!DOCTYPE html>
<html>
<!--
Copyright 2006 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.Coordinate</title>
<script src="../base.js"></script>
<script>
goog.require('goog.math.Coordinate');
goog.require('goog.testing.jsunit');
</script>
</head>
<body>
<script>
function testCoordinate1() {
var dim1 = new goog.math.Coordinate();
assertEquals(0, dim1.x);
assertEquals(0, dim1.y);
assertEquals('(0, 0)', dim1.toString());
}
function testCoordinate2() {
var dim2 = new goog.math.Coordinate(10);
assertEquals(10, dim2.x);
assertEquals(0, dim2.y);
assertEquals('(10, 0)', dim2.toString());
}
function testCoordinate3() {
var dim3 = new goog.math.Coordinate(10, 20);
assertEquals(10, dim3.x);
assertEquals(20, dim3.y);
assertEquals('(10, 20)', dim3.toString());
}
function testCoordinate4() {
var dim4 = new goog.math.Coordinate(10.5, 20.897);
assertEquals(10.5, dim4.x);
assertEquals(20.897, dim4.y);
assertEquals('(10.5, 20.897)', dim4.toString());
}
function testCoordinate5() {
var dim5 = new goog.math.Coordinate(NaN, 1000);
assertTrue(isNaN(dim5.x));
assertEquals(1000, dim5.y);
assertEquals('(NaN, 1000)', dim5.toString());
}
function testCoordinateSquaredDistance() {
var a = new goog.math.Coordinate(7, 11);
var b = new goog.math.Coordinate(3, -1);
assertEquals(160, goog.math.Coordinate.squaredDistance(a, b));
}
function testCoordinateDistance() {
var a = new goog.math.Coordinate(-2, -3);
var b = new goog.math.Coordinate(2, 0);
assertEquals(5, goog.math.Coordinate.distance(a, b));
}
function testCoordinateMagnitude() {
var a = new goog.math.Coordinate(5, 5);
assertEquals(Math.sqrt(50), goog.math.Coordinate.magnitude(a));
}
function testCoordinateAzimuth() {
var a = new goog.math.Coordinate(5, 5);
assertEquals(45, goog.math.Coordinate.azimuth(a));
}
function testCoordinateClone() {
var c = new goog.math.Coordinate();
assertEquals(c.toString(), c.clone().toString());
c.x = -12;
c.y = 13;
assertEquals(c.toString(), c.clone().toString());
}
function testCoordinateDifference() {
assertObjectEquals(new goog.math.Coordinate(3, -40),
goog.math.Coordinate.difference(
new goog.math.Coordinate(5, 10),
new goog.math.Coordinate(2, 50)));
}
function testCoordinateSum() {
assertObjectEquals(new goog.math.Coordinate(7, 60),
goog.math.Coordinate.sum(
new goog.math.Coordinate(5, 10),
new goog.math.Coordinate(2, 50)));
}
</script>
</body>
</html>
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