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Implement unit tests for Curve#getTangentAt() and #getNormalAt().

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This commit is contained in:
Jürg Lehni 2013-06-18 18:23:48 -07:00
parent 3d78e3729d
commit 663a7e0369
1 changed files with 42 additions and 0 deletions
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42
test/tests/Curve.js
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@ -32,3 +32,45 @@ test('Curve#getPointAt()', function() {
'curve.getPointAt(' + entry[0] + ', true);');
}
});
test('Curve#getTangentAt()', function() {
var curve = new Path.Circle({
center: [100, 100],
radius: 100
}).getFirstCurve();
var points = [
[0, new Point(0, -165.68542 )],
[0.25, new Point(60.7233, -143.56602)],
[0.5, new Point(108.57864, -108.57864)],
[0.75, new Point(143.56602, -60.7233)],
[1, new Point(165.68542, 0)]
];
for (var i = 0; i < points.length; i++) {
var entry = points[i];
comparePoints(curve.getTangentAt(entry[0], true), entry[1],
'curve.getPointAt(' + entry[0] + ', true);');
}
});
test('Curve#getNormalAt()', function() {
var curve = new Path.Circle({
center: [100, 100],
radius: 100
}).getFirstCurve();
var points = [
[0, new Point(-165.68542, 0)],
[0.25, new Point(-143.56602, -60.7233)],
[0.5, new Point(-108.57864, -108.57864)],
[0.75, new Point(-60.7233, -143.56602)],
[1, new Point(0, -165.68542)]
];
for (var i = 0; i < points.length; i++) {
var entry = points[i];
comparePoints(curve.getNormalAt(entry[0], true), entry[1],
'curve.getPointAt(' + entry[0] + ', true);');
}
});