openlayers
Version:
Build tools and sources for developing OpenLayers based mapping applications
33 lines (22 loc) • 835 B
JavaScript
goog.provide('ol.test.geom.flat.area');
goog.require('ol.geom.flat.area');
describe('ol.geom.flat.area', function() {
describe('ol.geom.flat.area.linearRing', function() {
it('calculates the area of a triangle', function() {
var area = ol.geom.flat.area.linearRing([0, 0, 0.5, 1, 1, 0], 0, 6, 2);
expect(area).to.be(0.5);
});
it('calculates the area of a unit square', function() {
var area =
ol.geom.flat.area.linearRing([0, 0, 0, 1, 1, 1, 1, 0], 0, 8, 2);
expect(area).to.be(1);
});
});
describe('ol.geom.flat.area.linearRings', function() {
it('calculates the area with holes', function() {
var area = ol.geom.flat.area.linearRings(
[0, 0, 0, 3, 3, 3, 3, 0, 1, 1, 2, 1, 2, 2, 1, 2], 0, [8, 16], 2);
expect(area).to.be(8);
});
});
});