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Define unit tests for Path#contains, some are currently failing.

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Jürg Lehni 2013-04-20 17:25:37 -07:00
parent bcb10a222f
commit 163036ec72
2 changed files with 73 additions and 0 deletions
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72
test/tests/Path_Contains.js Normal file
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/*
* 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('Path Contains');
function testPoint(path, point, inside) {
equals(path.contains(point), inside, 'The point ' + point
+ ' should be ' + (inside ? 'inside' : 'outside') + '.');
}
test('Path#contains (Regular Polygon)', function() {
var path = new Path.RegularPolygon([0, 0], 6, 20);
testPoint(path, new Point(0, -20), true);
testPoint(path, new Point(0, -10), true);
testPoint(path, new Point(0, 0), true);
testPoint(path, new Point(0, 10), true);
testPoint(path, new Point(0, 20), true);
testPoint(path, new Point(-10, -20), false);
testPoint(path, new Point(-10, -10), true);
testPoint(path, new Point(-10, 0), true);
testPoint(path, new Point(-10, 10), true);
testPoint(path, new Point(-10, 20), false);
testPoint(path, new Point(10, -20), false);
testPoint(path, new Point(10, -10), true);
testPoint(path, new Point(10, 0), true);
testPoint(path, new Point(10, 10), true);
testPoint(path, new Point(10, 20), false);
});
test('CompoundPath#contains (Donut)', function() {
var path = new CompoundPath([
new Path.Circle([0, 0], 50),
new Path.Circle([0, 0], 25)
]);
equals(path.contains(new Point(0, 0)), false,
'The center point should be outside the donut.');
equals(path.contains(new Point(-35, 0)), true,
'A vertically centered point on the left side should be inside the donut.');
equals(path.contains(new Point(35, 0)), true,
'A vertically centered point on the right side should be inside the donut.');
equals(path.contains(new Point(0, 49)), true,
'The near bottom center point of the outer circle should be inside the donut.');
equals(path.contains(new Point(0, 50)), true,
'The bottom center point of the outer circle should be inside the donut.');
equals(path.contains(new Point(0, 51)), false,
'The near bottom center point of the outer circle should be outside the donut.');
equals(path.contains(new Point({ length: 50, angle: 30 })), true,
'A random point on the periphery of the outer circle should be inside the donut.');
equals(path.contains(new Point(0, 25)), false,
'The bottom center point of the inner circle should be outside the donut.');
equals(path.contains(new Point({ length: 25, angle: 30 })), false,
'A random point on the periphery of the inner circle should be outside the donut.');
equals(path.contains(new Point(-50, -50)), false,
'The top left point of bounding box should be outside the donut.');
equals(path.contains(new Point(-50, 50)), false,
'The bottom left point of bounding box should be outside the donut.');
equals(path.contains(new Point(-45, 45)), false,
'The near bottom left point of bounding box should be outside the donut.');
});

1
test/tests/load.js
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@ -35,6 +35,7 @@
/*#*/ include('Path_Curves.js');
/*#*/ include('Path_Bounds.js');
/*#*/ include('Path_Length.js');
/*#*/ include('Path_Contains.js');
/*#*/ include('CompoundPath.js');
/*#*/ include('PlacedSymbol.js');