72 lines
1.9 KiB
JavaScript
72 lines
1.9 KiB
JavaScript
goog.provide('ol.test.geom2');
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describe('ol.geom2', function() {
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var buf, dim;
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beforeEach(function() {
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buf = new ol.structs.Buffer([0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11], 12);
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dim = 2;
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});
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describe('ol.geom2.getExtent', function() {
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it('returns the expected extent', function() {
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var extent = ol.geom2.getExtent(buf, dim);
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expect(extent).to.eql([0, 10, 1, 11]);
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});
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it('returns the expect extent in three dimensions', function() {
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var extent = ol.geom2.getExtent(buf, 3);
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expect(extent).to.eql([0, 9, 1, 10, 2, 11]);
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});
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it('returns the expect extent in four dimensions', function() {
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var extent = ol.geom2.getExtent(buf, 4);
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expect(extent).to.eql([0, 8, 1, 9, 2, 10, 3, 11]);
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});
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it('returns the expect extent in six dimensions', function() {
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var extent = ol.geom2.getExtent(buf, 6);
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expect(extent).to.eql([0, 6, 1, 7, 2, 8, 3, 9, 4, 10, 5, 11]);
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});
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});
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describe('ol.geom2.packPoints', function() {
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it('packs points as expected', function() {
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var arr = [];
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var offset = ol.geom2.packPoints(arr, 0, [[0, 1], [2, 3], [4, 5]], 2);
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expect(offset).to.be(6);
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expect(arr).to.eql([0, 1, 2, 3, 4, 5]);
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});
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it('raises an exception if dimensions do not match', function() {
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expect(function() {
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ol.geom2.packPoints([], 0, [[0, 1, 2]], 2);
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}).to.throwException();
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});
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});
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describe('ol.geom2.unpackPoints', function() {
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it('unpacks points in two dimensions', function() {
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var unpackedPoints = ol.geom2.unpackPoints([0, 1, 2, 3, 4, 5], 0, 6, 2);
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expect(unpackedPoints).to.eql([[0, 1], [2, 3], [4, 5]]);
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});
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it('unpacks points in three dimensions', function() {
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var unpackedPoints = ol.geom2.unpackPoints([0, 1, 2, 3, 4, 5], 0, 6, 3);
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expect(unpackedPoints).to.eql([[0, 1, 2], [3, 4, 5]]);
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});
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});
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});
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goog.require('ol.geom2');
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goog.require('ol.structs.Buffer');
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