66 lines
1.6 KiB
JavaScript
66 lines
1.6 KiB
JavaScript
goog.provide('ol.test.geom.LineString');
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describe('ol.geom.LineString', function() {
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describe('constructor', function() {
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it('creates a linestring from an array', function() {
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var line = new ol.geom.LineString([[10, 20], [30, 40]]);
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expect(line).toBeA(ol.geom.LineString);
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});
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it('throws when given mismatched dimension', function() {
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expect(function() {
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var line = new ol.geom.LineString([[10, 20], [30, 40, 50]]);
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}).toThrow();
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});
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});
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describe('#coordinates', function() {
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it('is a Float64Array', function() {
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var line = new ol.geom.LineString([[10, 20], [30, 40]]);
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expect(line.coordinates).toBeA(Float64Array);
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expect(line.coordinates.length).toBe(4);
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expect(line.coordinates[0]).toBe(10);
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expect(line.coordinates[1]).toBe(20);
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expect(line.coordinates[2]).toBe(30);
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expect(line.coordinates[3]).toBe(40);
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});
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});
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describe('#dimension', function() {
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it('can be 2', function() {
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var line = new ol.geom.LineString([[10, 20], [30, 40]]);
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expect(line.dimension).toBe(2);
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});
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it('can be 3', function() {
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var line = new ol.geom.LineString([[10, 20, 30], [40, 50, 60]]);
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expect(line.dimension).toBe(3);
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});
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});
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describe('#getBounds()', function() {
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it('returns the bounding extent', function() {
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var line = new ol.geom.LineString([[10, 20], [20, 30], [30, 40]]);
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var bounds = line.getBounds();
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expect(bounds.minX).toBe(10);
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expect(bounds.minY).toBe(20);
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expect(bounds.maxX).toBe(30);
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expect(bounds.maxY).toBe(40);
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});
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});
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});
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goog.require('ol.geom.LineString');
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