ad62739a6e
In addition to using const and let, this also upgrades our linter config and removes lint (mostly whitespace).
47 lines
1.7 KiB
JavaScript
47 lines
1.7 KiB
JavaScript
import {addCommon, clearAllProjections, get as getProjection} from '../../../../src/ol/proj.js';
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import {register} from '../../../../src/ol/proj/proj4.js';
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import Triangulation from '../../../../src/ol/reproj/Triangulation.js';
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describe('ol.reproj.Triangulation', function() {
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beforeEach(function() {
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proj4.defs('EPSG:27700', '+proj=tmerc +lat_0=49 +lon_0=-2 ' +
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'+k=0.9996012717 +x_0=400000 +y_0=-100000 +ellps=airy ' +
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'+towgs84=446.448,-125.157,542.06,0.15,0.247,0.842,-20.489 ' +
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'+units=m +no_defs');
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register(proj4);
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const proj27700 = getProjection('EPSG:27700');
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proj27700.setExtent([0, 0, 700000, 1300000]);
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});
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afterEach(function() {
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delete proj4.defs['EPSG:27700'];
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clearAllProjections();
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addCommon();
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});
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describe('constructor', function() {
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it('is trivial for identity', function() {
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const proj4326 = getProjection('EPSG:4326');
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const triangulation = new Triangulation(proj4326, proj4326,
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[20, 20, 30, 30], [-180, -90, 180, 90], 0);
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expect(triangulation.getTriangles().length).to.be(2);
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});
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it('is empty when outside source extent', function() {
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const proj4326 = getProjection('EPSG:4326');
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const proj27700 = getProjection('EPSG:27700');
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const triangulation = new Triangulation(proj27700, proj4326,
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[0, 0, 10, 10], proj27700.getExtent(), 0);
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expect(triangulation.getTriangles().length).to.be(0);
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});
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it('can handle null source extent', function() {
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const proj4326 = getProjection('EPSG:4326');
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const triangulation = new Triangulation(proj4326, proj4326,
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[20, 20, 30, 30], null, 0);
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expect(triangulation.getTriangles().length).to.be(2);
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});
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});
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});
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