Files
openlayers/test/spec/ol/geom/multilinestring.test.js
2013-03-04 21:30:23 +01:00

89 lines
2.2 KiB
JavaScript

goog.provide('ol.test.geom.MultiLineString');
describe('ol.geom.MultiLineString', function() {
describe('constructor', function() {
it('creates a multi-linestring from an array', function() {
var multi = new ol.geom.MultiLineString([
[[10, 20], [30, 40]],
[[20, 30], [40, 50]]]);
expect(multi).toBeA(ol.geom.MultiLineString);
expect(multi).toBeA(ol.geom.Geometry);
});
it('throws when given with insufficient dimensions', function() {
expect(function() {
var multi = new ol.geom.MultiLineString([1]);
}).toThrow();
});
});
describe('#components', function() {
it('is an array of linestrings', function() {
var multi = new ol.geom.MultiLineString([
[[10, 20], [30, 40]],
[[20, 30], [40, 50]]]);
expect(multi.components.length).toBe(2);
expect(multi.components[0]).toBeA(ol.geom.LineString);
expect(multi.components[1]).toBeA(ol.geom.LineString);
});
});
describe('#dimension', function() {
it('can be 2', function() {
var multi = new ol.geom.MultiLineString([
[[10, 20], [30, 40]],
[[20, 30], [40, 50]]]);
expect(multi.dimension).toBe(2);
});
it('can be 3', function() {
var multi = new ol.geom.MultiLineString([
[[10, 20, 30], [30, 40, 50]],
[[20, 30, 40], [40, 50, 60]]]);
expect(multi.dimension).toBe(3);
});
});
describe('#getBounds()', function() {
it('returns the bounding extent', function() {
var multi = new ol.geom.MultiLineString([
[[10, 20], [30, 40]],
[[20, 30], [40, 50]]]);
var bounds = multi.getBounds();
expect(bounds.minX).toBe(10);
expect(bounds.minY).toBe(20);
expect(bounds.maxX).toBe(40);
expect(bounds.maxY).toBe(50);
});
});
describe('#getCoordinates', function() {
it('returns an array', function() {
var coordinates = [
[[10, 20], [30, 40]],
[[20, 30], [40, 50]]
];
var multi = new ol.geom.MultiLineString(coordinates);
expect(multi.getCoordinates()).toEqual(coordinates);
});
});
});
goog.require('ol.geom.Geometry');
goog.require('ol.geom.LineString');
goog.require('ol.geom.MultiLineString');