Files
openlayers/test/spec/ol/geom/flat/segments.test.js
2017-08-17 15:16:58 -04:00

59 lines
1.9 KiB
JavaScript

goog.require('ol.geom.flat.segments');
describe('ol.geom.flat.segments', function() {
describe('ol.geom.flat.segments.forEach', function() {
var flatCoordinates, offset, end, stride;
beforeEach(function() {
flatCoordinates = [0, 0, 1, 1, 2, 2, 3, 3];
offset = 0;
end = 8;
stride = 2;
});
describe('callback returns undefined', function() {
it('executes the callback for each segment', function() {
var args = [];
var spy = sinon.spy(function(point1, point2) {
args.push([point1[0], point1[1], point2[0], point2[1]]);
});
var ret = ol.geom.flat.segments.forEach(
flatCoordinates, offset, end, stride, spy);
expect(spy.callCount).to.be(3);
expect(args[0][0]).to.be(0);
expect(args[0][1]).to.be(0);
expect(args[0][2]).to.be(1);
expect(args[0][3]).to.be(1);
expect(args[1][0]).to.be(1);
expect(args[1][1]).to.be(1);
expect(args[1][2]).to.be(2);
expect(args[1][3]).to.be(2);
expect(args[2][0]).to.be(2);
expect(args[2][1]).to.be(2);
expect(args[2][2]).to.be(3);
expect(args[2][3]).to.be(3);
expect(ret).to.be(false);
});
});
describe('callback returns true', function() {
it('executes the callback for the first segment', function() {
var args = [];
var spy = sinon.spy(function(point1, point2) {
args.push([point1[0], point1[1], point2[0], point2[1]]);
return true;
});
var ret = ol.geom.flat.segments.forEach(
flatCoordinates, offset, end, stride, spy);
expect(spy.callCount).to.be(1);
expect(args[0][0]).to.be(0);
expect(args[0][1]).to.be(0);
expect(args[0][2]).to.be(1);
expect(args[0][3]).to.be(1);
expect(ret).to.be(true);
});
});
});
});