Source: index.test.js
goog.require('ol');
describe('getUid()', function() {
it('is constant once generated', function() {
var a = {};
expect(ol.getUid(a)).to.be(ol.getUid(a));
});
it('generates a strictly increasing sequence', function() {
var a = {}, b = {}, c = {};
ol.getUid(a);
ol.getUid(c);
ol.getUid(b);
//uid order should be a < c < b
expect(ol.getUid(a)).to.be.lessThan(ol.getUid(c));
expect(ol.getUid(c)).to.be.lessThan(ol.getUid(b));
expect(ol.getUid(a)).to.be.lessThan(ol.getUid(b));
});
});