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openlayers/test/node/ol/geom/flat/deflate.test.js
2021-05-01 10:18:23 -06:00

56 lines
1.2 KiB
JavaScript

import expect from '../../../expect.js';
import {
deflateCoordinates,
deflateCoordinatesArray,
} from '../../../../../src/ol/geom/flat/deflate.js';
describe('ol/geom/flat/deflate.js', function () {
describe('deflateCoordinates', function () {
let flatCoordinates;
beforeEach(function () {
flatCoordinates = [];
});
it('flattens coordinates', function () {
const offset = deflateCoordinates(
flatCoordinates,
0,
[
[1, 2],
[3, 4],
],
2
);
expect(offset).to.be(4);
expect(flatCoordinates).to.eql([1, 2, 3, 4]);
});
});
describe('deflateCoordinatesArray', function () {
let flatCoordinates;
beforeEach(function () {
flatCoordinates = [];
});
it('flattens arrays of coordinates', function () {
const ends = deflateCoordinatesArray(
flatCoordinates,
0,
[
[
[1, 2],
[3, 4],
],
[
[5, 6],
[7, 8],
],
],
2
);
expect(ends).to.eql([4, 8]);
expect(flatCoordinates).to.eql([1, 2, 3, 4, 5, 6, 7, 8]);
});
});
});