48 lines
1.3 KiB
JavaScript
48 lines
1.3 KiB
JavaScript
import {lineStringIsClosed} from '../../../../../../src/ol/geom/flat/topology.js';
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describe('ol.geom.flat.topology', function () {
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describe('ol.geom.flat.topology.lineStringIsClosed', function () {
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it('identifies closed lines aka boundaries', function () {
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const flatCoordinates = [0, 0, 3, 0, 0, 3, 0, 0];
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const isClosed = lineStringIsClosed(
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flatCoordinates,
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0,
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flatCoordinates.length,
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2
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);
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expect(isClosed).to.be(true);
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});
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it('identifies regular linestrings', function () {
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const flatCoordinates = [0, 0, 3, 0, 0, 3, 5, 2];
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const isClosed = lineStringIsClosed(
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flatCoordinates,
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0,
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flatCoordinates.length,
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2
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);
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expect(isClosed).to.be(false);
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});
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it('identifies degenerate boundaries', function () {
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let flatCoordinates = [0, 0, 3, 0, 0, 0];
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let isClosed = lineStringIsClosed(
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flatCoordinates,
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0,
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flatCoordinates.length,
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2
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);
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expect(isClosed).to.be(false);
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flatCoordinates = [0, 0, 1, 1, 3, 3, 5, 5, 0, 0];
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isClosed = lineStringIsClosed(
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flatCoordinates,
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0,
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flatCoordinates.length,
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2
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);
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expect(isClosed).to.be(false);
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});
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});
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});
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