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Implement unit tests for Matrix#getRotation() and #getScaling().

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Of which one test is failing.
This commit is contained in:
Jürg Lehni 2013-02-08 19:38:32 -08:00
parent 6ae500e6df
commit fa097e02f2
2 changed files with 92 additions and 0 deletions
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91
test/tests/Matrix.js Normal file
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@ -0,0 +1,91 @@
/*
* Paper.js - The Swiss Army Knife of Vector Graphics Scripting.
* http://paperjs.org/
*
* Copyright (c) 2011 - 2013, Juerg Lehni & Jonathan Puckey
* http://lehni.org/ & http://jonathanpuckey.com/
*
* Distributed under the MIT license. See LICENSE file for details.
*
* All rights reserved.
*/
module('Matrix');
test('getRotation()', function() {
equals(function() {
return new Matrix().rotate(45).getRotation();
}, 45);
equals(function() {
return new Matrix().rotate(90).getRotation();
}, 90);
equals(function() {
return new Matrix().rotate(180).getRotation();
}, 180);
equals(function() {
return new Matrix().rotate(270).getRotation();
}, -90, null, Numerical.TOLERANCE);
equals(function() {
return new Matrix().rotate(-45).getRotation();
}, -45);
equals(function() {
return new Matrix().rotate(-90).getRotation();
}, -90);
equals(function() {
return new Matrix().rotate(-180).getRotation();
}, -180);
equals(function() {
return new Matrix().rotate(-270).getRotation();
}, 90, null, Numerical.TOLERANCE);
});
test('getScaling()', function() {
equals(function() {
return new Matrix().scale(1, 1).getScaling();
}, new Point(1, 1));
equals(function() {
return new Matrix().scale(1, -1).getScaling();
}, new Point(1, -1));
equals(function() {
return new Matrix().scale(-1, 1).getScaling();
}, new Point(-1, 1));
equals(function() {
return new Matrix().scale(2, -4).getScaling();
}, new Point(2, -4));
equals(function() {
return new Matrix().scale(-4, 2).getScaling();
}, new Point(-4, 2));
equals(function() {
return new Matrix().scale(-4, -4).getScaling();
}, new Point(-4, -4));
});
test('getRotation() & getScaling()', function() {
equals(function() {
return new Matrix().scale(2, 4).rotate(45).getScaling();
}, new Point(2, 4));
equals(function() {
return new Matrix().scale(2, 4).rotate(45).getRotation();
}, 45);
equals(function() {
return new Matrix().scale(2, -4).rotate(45).getScaling();
}, new Point(2, -4));
equals(function() {
return new Matrix().scale(2, -4).rotate(45).getRotation();
}, 45);
});

1
test/tests/load.js
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@ -13,6 +13,7 @@
/*#*/ include('Point.js');
/*#*/ include('Size.js');
/*#*/ include('Rectangle.js');
/*#*/ include('Matrix.js');
/*#*/ include('Color.js');