29 lines
819 B
JavaScript
29 lines
819 B
JavaScript
import expect from '../../../expect.js';
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import {linearRing, linearRings} from '../../../../../src/ol/geom/flat/area.js';
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describe('ol/geom/flat/area.js', function () {
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describe('linearRing', function () {
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it('calculates the area of a triangle', function () {
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const area = linearRing([0, 0, 0.5, 1, 1, 0], 0, 6, 2);
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expect(area).to.be(0.5);
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});
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it('calculates the area of a unit square', function () {
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const area = linearRing([0, 0, 0, 1, 1, 1, 1, 0], 0, 8, 2);
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expect(area).to.be(1);
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});
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});
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describe('linearRings', function () {
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it('calculates the area with holes', function () {
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const area = linearRings(
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[0, 0, 0, 3, 3, 3, 3, 0, 1, 1, 2, 1, 2, 2, 1, 2],
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0,
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[8, 16],
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2
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);
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expect(area).to.be(8);
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});
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});
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});
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