32 lines
859 B
JavaScript
32 lines
859 B
JavaScript
describe("Transformation", function() {
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var t, p;
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beforeEach(function() {
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t = new L.Transformation(1, 2, 3, 4);
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p = new L.Point(10, 20);
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});
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describe('#transform', function () {
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it("performs a transformation", function() {
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var p2 = t.transform(p, 2);
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expect(p2).to.eql(new L.Point(24, 128));
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});
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it('assumes a scale of 1 if not specified', function () {
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var p2 = t.transform(p);
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expect(p2).to.eql(new L.Point(12, 64));
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});
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});
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describe('#untransform', function () {
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it("performs a reverse transformation", function() {
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var p2 = t.transform(p, 2);
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var p3 = t.untransform(p2, 2);
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expect(p3).to.eql(p);
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});
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it('assumes a scale of 1 if not specified', function () {
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var p2 = t.transform(p);
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expect(t.untransform(new L.Point(12, 64))).to.eql(new L.Point(10, 20));
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});
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});
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});
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