38 lines
1.3 KiB
JavaScript
38 lines
1.3 KiB
JavaScript
require('../../js/util/CheapRuler.js');
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const geoJson = require('../format/data/track.json');
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test('distance', () => {
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// https://github.com/abrensch/brouter/issues/3#issuecomment-440375918
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const lngLat1 = [2.3158, 48.8124];
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const lngLat2 = [2.321, 48.8204];
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const [ilon1, ilat1] = btools.util.CheapRuler.toIntegerLngLat(lngLat1);
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const [ilon2, ilat2] = btools.util.CheapRuler.toIntegerLngLat(lngLat2);
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const distance = btools.util.CheapRuler.distance(ilon1, ilat1, ilon2, ilat2);
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// 968.1670119067338 - issue #3 (App.java)
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// 968.0593622374572 - CheapRuler.java
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expect(distance).toBeCloseTo(968.0593622374572);
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});
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test('total distance', () => {
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const coordinates = geoJson.features[0].geometry.coordinates;
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const properties = geoJson.features[0].properties;
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let totalDistance = 0;
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for (let i = 0; i < coordinates.length; i++) {
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if (i === 0) continue;
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const coord1 = coordinates[i - 1];
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const coord2 = coordinates[i];
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const [ilon1, ilat1] = btools.util.CheapRuler.toIntegerLngLat(coord1);
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const [ilon2, ilat2] = btools.util.CheapRuler.toIntegerLngLat(coord2);
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const distance = btools.util.CheapRuler.calcDistance(ilon1, ilat1, ilon2, ilat2);
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totalDistance += distance;
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}
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expect(Math.round(totalDistance)).toEqual(+properties['track-length']);
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});
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