145 lines
3.7 KiB
JavaScript
145 lines
3.7 KiB
JavaScript
describe('LatLngBounds', function () {
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var a, c;
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beforeEach(function () {
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a = new L.LatLngBounds(
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new L.LatLng(14, 12),
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new L.LatLng(30, 40));
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c = new L.LatLngBounds();
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});
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describe('constructor', function () {
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it('instantiates either passing two latlngs or an array of latlngs', function () {
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var b = new L.LatLngBounds([
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new L.LatLng(14, 12),
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new L.LatLng(30, 40)
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]);
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expect(b).to.eql(a);
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expect(b.getNorthWest()).to.eql(new L.LatLng(30, 12));
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});
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});
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describe('#extend', function () {
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it('extends the bounds by a given point', function () {
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a.extend(new L.LatLng(20, 50));
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expect(a.getNorthEast()).to.eql(new L.LatLng(30, 50));
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});
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it('extends the bounds by given bounds', function () {
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a.extend([[20, 50], [8, 40]]);
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expect(a.getSouthEast()).to.eql(new L.LatLng(8, 50));
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});
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it('extends the bounds by undefined', function () {
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expect(a.extend()).to.eql(a);
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});
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it('extends the bounds by raw object', function () {
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a.extend({lat: 20, lng: 50});
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expect(a.getNorthEast()).to.eql(new L.LatLng(30, 50));
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});
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});
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describe('#getCenter', function () {
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it('returns the bounds center', function () {
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expect(a.getCenter()).to.eql(new L.LatLng(22, 26));
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});
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});
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describe('#pad', function () {
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it('pads the bounds by a given ratio', function () {
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var b = a.pad(0.5);
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expect(b).to.eql(L.latLngBounds([[6, -2], [38, 54]]));
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});
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});
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describe('#equals', function () {
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it('returns true if bounds equal', function () {
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expect(a.equals([[14, 12], [30, 40]])).to.eql(true);
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expect(a.equals([[14, 13], [30, 40]])).to.eql(false);
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expect(a.equals(null)).to.eql(false);
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});
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});
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describe('#isValid', function () {
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it('returns true if properly set up', function () {
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expect(a.isValid()).to.be.ok();
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});
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it('returns false if is invalid', function () {
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expect(c.isValid()).to.not.be.ok();
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});
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it('returns true if extended', function () {
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c.extend([0, 0]);
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expect(c.isValid()).to.be.ok();
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});
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});
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describe('#getWest', function () {
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it('returns a proper bbox west value', function () {
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expect(a.getWest()).to.eql(12);
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});
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});
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describe('#getSouth', function () {
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it('returns a proper bbox south value', function () {
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expect(a.getSouth()).to.eql(14);
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});
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});
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describe('#getEast', function () {
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it('returns a proper bbox east value', function () {
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expect(a.getEast()).to.eql(40);
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});
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});
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describe('#getNorth', function () {
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it('returns a proper bbox north value', function () {
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expect(a.getNorth()).to.eql(30);
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});
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});
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describe('#toBBoxString', function () {
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it('returns a proper left,bottom,right,top bbox', function () {
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expect(a.toBBoxString()).to.eql("12,14,40,30");
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});
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});
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describe('#getNorthWest', function () {
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it('returns a proper north-west LatLng', function () {
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expect(a.getNorthWest()).to.eql(new L.LatLng(a.getNorth(), a.getWest()));
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});
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});
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describe('#getSouthEast', function () {
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it('returns a proper south-east LatLng', function () {
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expect(a.getSouthEast()).to.eql(new L.LatLng(a.getSouth(), a.getEast()));
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});
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});
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describe('#contains', function () {
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it('returns true if contains latlng point', function () {
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expect(a.contains([16, 20])).to.eql(true);
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expect(L.latLngBounds(a).contains([5, 20])).to.eql(false);
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});
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it('returns true if contains bounds', function () {
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expect(a.contains([[16, 20], [20, 40]])).to.eql(true);
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expect(a.contains([[16, 50], [8, 40]])).to.eql(false);
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});
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});
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describe('#intersects', function () {
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it('returns true if intersects the given bounds', function () {
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expect(a.intersects([[16, 20], [50, 60]])).to.eql(true);
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expect(a.contains([[40, 50], [50, 60]])).to.eql(false);
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});
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});
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});
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