b52d283641
The ol.geom.SharedVertices structure represents a flattened array of vertex coordinates. This is intended to support optimal WebGL rendering.
88 lines
2.2 KiB
JavaScript
88 lines
2.2 KiB
JavaScript
goog.provide('ol.test.geom.MultiLineString');
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describe('ol.geom.MultiLineString', function() {
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describe('constructor', function() {
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it('creates a multi-linestring from an array', function() {
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var multi = new ol.geom.MultiLineString([
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[[10, 20], [30, 40]],
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[[20, 30], [40, 50]]]);
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expect(multi).toBeA(ol.geom.MultiLineString);
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expect(multi).toBeA(ol.geom.Geometry);
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});
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it('throws when given with insufficient dimensions', function() {
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expect(function() {
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var multi = new ol.geom.MultiPoint([1]);
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}).toThrow();
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});
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});
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describe('#components', function() {
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it('is an array of linestrings', function() {
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var multi = new ol.geom.MultiLineString([
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[[10, 20], [30, 40]],
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[[20, 30], [40, 50]]]);
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expect(multi.components.length).toBe(2);
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expect(multi.components[0]).toBeA(ol.geom.LineString);
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expect(multi.components[1]).toBeA(ol.geom.LineString);
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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 multi = new ol.geom.MultiLineString([
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[[10, 20], [30, 40]],
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[[20, 30], [40, 50]]]);
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expect(multi.dimension).toBe(2);
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});
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it('can be 3', function() {
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var multi = new ol.geom.MultiLineString([
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[[10, 20, 30], [30, 40, 50]],
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[[20, 30, 40], [40, 50, 60]]]);
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expect(multi.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 multi = new ol.geom.MultiLineString([
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[[10, 20], [30, 40]],
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[[20, 30], [40, 50]]]);
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var bounds = multi.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(40);
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expect(bounds.maxY).toBe(50);
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});
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});
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describe('#getCoordinates', function() {
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it('returns an array', function() {
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var coordinates = [
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[[10, 20], [30, 40]],
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[[20, 30], [40, 50]]
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];
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var multi = new ol.geom.MultiLineString(coordinates);
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expect(multi.getCoordinates()).toEqual(coordinates);
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});
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});
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});
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goog.require('ol.geom.Geometry');
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goog.require('ol.geom.MultiLineString');
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