8f578b88b1
Its not clear that we will be able to leverage the Float64Array. It may also be that the overhead of constructing these small arrays negates any benefit of faster access. And for all coordinate arrays, we'll need arrays that grow/shrink.
67 lines
1.7 KiB
JavaScript
67 lines
1.7 KiB
JavaScript
goog.provide('ol.test.geom.LineString');
|
|
|
|
describe('ol.geom.LineString', function() {
|
|
|
|
describe('constructor', function() {
|
|
|
|
it('creates a linestring from an array', function() {
|
|
var line = new ol.geom.LineString([[10, 20], [30, 40]]);
|
|
expect(line).toBeA(ol.geom.LineString);
|
|
expect(line).toBeA(ol.geom.Geometry);
|
|
});
|
|
|
|
it('throws when given mismatched dimension', function() {
|
|
expect(function() {
|
|
var line = new ol.geom.LineString([[10, 20], [30, 40, 50]]);
|
|
}).toThrow();
|
|
});
|
|
|
|
});
|
|
|
|
describe('#coordinates', function() {
|
|
|
|
it('is an array', function() {
|
|
var line = new ol.geom.LineString([[10, 20], [30, 40]]);
|
|
|
|
expect(line.coordinates.length).toBe(4);
|
|
expect(line.coordinates[0]).toBe(10);
|
|
expect(line.coordinates[1]).toBe(20);
|
|
expect(line.coordinates[2]).toBe(30);
|
|
expect(line.coordinates[3]).toBe(40);
|
|
});
|
|
|
|
});
|
|
|
|
describe('#dimension', function() {
|
|
|
|
it('can be 2', function() {
|
|
var line = new ol.geom.LineString([[10, 20], [30, 40]]);
|
|
expect(line.dimension).toBe(2);
|
|
});
|
|
|
|
it('can be 3', function() {
|
|
var line = new ol.geom.LineString([[10, 20, 30], [40, 50, 60]]);
|
|
expect(line.dimension).toBe(3);
|
|
});
|
|
|
|
});
|
|
|
|
describe('#getBounds()', function() {
|
|
|
|
it('returns the bounding extent', function() {
|
|
var line = new ol.geom.LineString([[10, 20], [20, 30], [30, 40]]);
|
|
var bounds = line.getBounds();
|
|
expect(bounds.minX).toBe(10);
|
|
expect(bounds.minY).toBe(20);
|
|
expect(bounds.maxX).toBe(30);
|
|
expect(bounds.maxY).toBe(40);
|
|
});
|
|
|
|
});
|
|
|
|
|
|
});
|
|
|
|
goog.require('ol.geom.Geometry');
|
|
goog.require('ol.geom.LineString');
|