55 lines
1.9 KiB
JavaScript
55 lines
1.9 KiB
JavaScript
import {forEach as forEachSegment} from '../../../../../src/ol/geom/flat/segments.js';
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describe('ol.geom.flat.segments', function() {
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describe('ol.geom.flat.segments.forEach', function() {
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let flatCoordinates, offset, end, stride;
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beforeEach(function() {
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flatCoordinates = [0, 0, 1, 1, 2, 2, 3, 3];
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offset = 0;
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end = 8;
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stride = 2;
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});
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describe('callback returns undefined', function() {
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it('executes the callback for each segment', function() {
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const args = [];
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const spy = sinon.spy(function(point1, point2) {
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args.push([point1[0], point1[1], point2[0], point2[1]]);
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});
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const ret = forEachSegment(flatCoordinates, offset, end, stride, spy);
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expect(spy.callCount).to.be(3);
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expect(args[0][0]).to.be(0);
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expect(args[0][1]).to.be(0);
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expect(args[0][2]).to.be(1);
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expect(args[0][3]).to.be(1);
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expect(args[1][0]).to.be(1);
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expect(args[1][1]).to.be(1);
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expect(args[1][2]).to.be(2);
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expect(args[1][3]).to.be(2);
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expect(args[2][0]).to.be(2);
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expect(args[2][1]).to.be(2);
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expect(args[2][2]).to.be(3);
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expect(args[2][3]).to.be(3);
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expect(ret).to.be(false);
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});
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});
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describe('callback returns true', function() {
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it('executes the callback for the first segment', function() {
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const args = [];
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const spy = sinon.spy(function(point1, point2) {
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args.push([point1[0], point1[1], point2[0], point2[1]]);
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return true;
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});
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const ret = forEachSegment(flatCoordinates, offset, end, stride, spy);
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expect(spy.callCount).to.be(1);
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expect(args[0][0]).to.be(0);
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expect(args[0][1]).to.be(0);
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expect(args[0][2]).to.be(1);
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expect(args[0][3]).to.be(1);
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expect(ret).to.be(true);
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});
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});
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});
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});
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