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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.Size</title>
<script src="../base.js"></script>
<script>
goog.require('goog.math.Size');
goog.require('goog.testing.jsunit');
</script>
</head>
<body>
<script>
function testSize1() {
var s = new goog.math.Size(undefined, undefined);
assertUndefined(s.width);
assertUndefined(s.height);
assertEquals('(undefined x undefined)', s.toString());
}
function testSize3() {
var s = new goog.math.Size(10, 20);
assertEquals(10, s.width);
assertEquals(20, s.height);
assertEquals('(10 x 20)', s.toString());
}
function testSize4() {
var s = new goog.math.Size(10.5, 20.897);
assertEquals(10.5, s.width);
assertEquals(20.897, s.height);
assertEquals('(10.5 x 20.897)', s.toString());
}
function testSizeClone() {
var s = new goog.math.Size(undefined, undefined);
assertEquals(s.toString(), s.clone().toString());
s.width = 4;
s.height = 5;
assertEquals(s.toString(), s.clone().toString());
}
function testSizeEquals() {
var a = new goog.math.Size(4, 5);
assertTrue(goog.math.Size.equals(a, a));
assertFalse(goog.math.Size.equals(a, null));
assertFalse(goog.math.Size.equals(null, a));
var b = new goog.math.Size(4, 5);
var c = new goog.math.Size(4, 6);
assertTrue(goog.math.Size.equals(a, b));
assertFalse(goog.math.Size.equals(a, c));
}
function testSizeArea() {
var s = new goog.math.Size(4, 5);
assertEquals(20, s.area());
}
function testSizePerimeter() {
var s = new goog.math.Size(4, 5);
assertEquals(18, s.perimeter());
}
function testSizeAspectRatio() {
var s = new goog.math.Size(undefined, undefined);
assertNaN(s.aspectRatio());
s.width = 4;
s.height = 0;
assertEquals(Infinity, s.aspectRatio());
s.height = 5;
assertEquals(0.8, s.aspectRatio());
}
function testSizeFitsInside() {
var target = new goog.math.Size(10, 10);
var a = new goog.math.Size(5, 8);
var b = new goog.math.Size(5, 12);
var c = new goog.math.Size(19, 7);
assertTrue(a.fitsInside(target));
assertFalse(b.fitsInside(target));
assertFalse(c.fitsInside(target));
}
function testSizeScaleToFit() {
var target = new goog.math.Size(512, 640);
var a = new goog.math.Size(1600, 1200);
var b = new goog.math.Size(1200, 1600);
var c = new goog.math.Size(400, 300);
var d = new goog.math.Size(undefined, undefined);
assertEquals('(512 x 384)', a.scaleToFit(target).toString());
assertEquals('(480 x 640)', b.scaleToFit(target).toString());
assertEquals('(512 x 384)', c.scaleToFit(target).toString());
assertEquals('(512 x 640)', target.scaleToFit(target).toString());
assertEquals('(NaN x NaN)', d.scaleToFit(target).toString());
assertEquals('(NaN x NaN)', a.scaleToFit(d).toString());
}
function testSizeIsEmpty() {
var s = new goog.math.Size(undefined, undefined);
assertTrue(s.isEmpty());
s.width = 0;
s.height = 5;
assertTrue(s.isEmpty());
s.width = 4;
assertFalse(s.isEmpty());
}
function testSizeScale() {
var s = new goog.math.Size(4, 5);
assertEquals('(8 x 10)', s.scale(2).toString());
assertEquals('(0.8 x 1)', s.scale(0.1).toString());
}
function testSizeCeil() {
var s = new goog.math.Size(2.3, 4.7);
assertEquals('(3 x 5)', s.ceil().toString());
}
function testSizeFloor() {
var s = new goog.math.Size(2.3, 4.7);
assertEquals('(2 x 4)', s.floor().toString());
}
function testSizeRound() {
var s = new goog.math.Size(2.3, 4.7);
assertEquals('(2 x 5)', s.round().toString());
}
function testSizeGetLongest() {
var s = new goog.math.Size(3, 4);
assertEquals(4, s.getLongest());
s.height = 3;
assertEquals(3, s.getLongest());
s.height = 2;
assertEquals(3, s.getLongest());
assertNaN(new goog.math.Size(undefined, undefined).getLongest());
}
function testSizeGetShortest() {
var s = new goog.math.Size(3, 4);
assertEquals(3, s.getShortest());
s.height = 3;
assertEquals(3, s.getShortest());
s.height = 2;
assertEquals(2, s.getShortest());
assertNaN(new goog.math.Size(undefined, undefined).getShortest());
}
</script>
</body>
</html>
|
