133 lines
3.6 KiB
JavaScript
133 lines
3.6 KiB
JavaScript
describe('LatLng', function() {
|
|
describe('constructor', function() {
|
|
it("sets lat and lng", function() {
|
|
var a = new L.LatLng(25, 74);
|
|
expect(a.lat).to.eql(25);
|
|
expect(a.lng).to.eql(74);
|
|
|
|
var b = new L.LatLng(-25, -74);
|
|
expect(b.lat).to.eql(-25);
|
|
expect(b.lng).to.eql(-74);
|
|
});
|
|
|
|
it('throws an error if invalid lat or lng', function () {
|
|
expect(function () {
|
|
var a = new L.LatLng(NaN, NaN);
|
|
}).to.throwError();
|
|
});
|
|
|
|
it ('does not set altitude if undefined', function () {
|
|
var a = new L.LatLng(25, 74);
|
|
expect(typeof a.alt).to.eql('undefined');
|
|
});
|
|
|
|
it ('sets altitude', function () {
|
|
var a = new L.LatLng(25, 74, 50);
|
|
expect(a.alt).to.eql(50);
|
|
|
|
var b = new L.LatLng(-25, -74, -50);
|
|
expect(b.alt).to.eql(-50);
|
|
});
|
|
|
|
});
|
|
|
|
describe('#equals', function() {
|
|
it("returns true if compared objects are equal within a certain margin", function() {
|
|
var a = new L.LatLng(10, 20);
|
|
var b = new L.LatLng(10 + 1.0E-10, 20 - 1.0E-10);
|
|
expect(a.equals(b)).to.eql(true);
|
|
});
|
|
|
|
it("returns false if compared objects are not equal within a certain margin", function() {
|
|
var a = new L.LatLng(10, 20);
|
|
var b = new L.LatLng(10, 23.3);
|
|
expect(a.equals(b)).to.eql(false);
|
|
});
|
|
|
|
it('returns false if passed non-valid object', function () {
|
|
var a = new L.LatLng(10, 20);
|
|
expect(a.equals(null)).to.eql(false);
|
|
});
|
|
});
|
|
|
|
describe('#wrap', function () {
|
|
it("wraps longitude to lie between -180 and 180 by default", function() {
|
|
var a = new L.LatLng(0, 190).wrap().lng;
|
|
expect(a).to.eql(-170);
|
|
|
|
var b = new L.LatLng(0, 360).wrap().lng;
|
|
expect(b).to.eql(0);
|
|
|
|
var c = new L.LatLng(0, 380).wrap().lng;
|
|
expect(c).to.eql(20);
|
|
|
|
var d = new L.LatLng(0, -190).wrap().lng;
|
|
expect(d).to.eql(170);
|
|
|
|
var e = new L.LatLng(0, -360).wrap().lng;
|
|
expect(e).to.eql(0);
|
|
|
|
var f = new L.LatLng(0, -380).wrap().lng;
|
|
expect(f).to.eql(-20);
|
|
|
|
var g = new L.LatLng(0, 90).wrap().lng;
|
|
expect(g).to.eql(90);
|
|
|
|
var h = new L.LatLng(0, 180).wrap().lng;
|
|
expect(h).to.eql(180);
|
|
});
|
|
|
|
it("wraps longitude within the given range", function() {
|
|
var a = new L.LatLng(0, 190).wrap(-100, 100).lng;
|
|
expect(a).to.eql(-10);
|
|
});
|
|
|
|
});
|
|
|
|
describe('#toString', function () {
|
|
it('formats a string', function () {
|
|
var a = new L.LatLng(10.333333333, 20.2222222);
|
|
expect(a.toString(3)).to.eql('LatLng(10.333, 20.222)');
|
|
});
|
|
});
|
|
|
|
describe('#distanceTo', function () {
|
|
it('calculates distance in meters', function () {
|
|
var a = new L.LatLng(50.5, 30.5);
|
|
var b = new L.LatLng(50, 1);
|
|
|
|
expect(Math.abs(Math.round(a.distanceTo(b) / 1000) - 2084) < 5).to.eql(true);
|
|
});
|
|
});
|
|
|
|
describe('L.latLng factory', function () {
|
|
it('returns LatLng instance as is', function () {
|
|
var a = new L.LatLng(50, 30);
|
|
|
|
expect(L.latLng(a)).to.eql(a);
|
|
});
|
|
|
|
it('accepts an array of coordinates', function () {
|
|
expect(L.latLng([50, 30])).to.eql(new L.LatLng(50, 30));
|
|
});
|
|
|
|
it('passes null or undefined as is', function () {
|
|
expect(L.latLng(undefined)).to.eql(undefined);
|
|
expect(L.latLng(null)).to.eql(null);
|
|
});
|
|
|
|
it('creates a LatLng object from two coordinates', function () {
|
|
expect(L.latLng(50, 30)).to.eql(new L.LatLng(50, 30));
|
|
});
|
|
|
|
it('accepts an object with lat/lng', function () {
|
|
expect(L.latLng({lat: 50, lng: 30})).to.eql(new L.LatLng(50, 30));
|
|
});
|
|
|
|
it('accepts an object with lat/lon', function () {
|
|
expect(L.latLng({lat: 50, lon: 30})).to.eql(new L.LatLng(50, 30));
|
|
});
|
|
});
|
|
});
|
|
|