Files
openlayers/test/spec/ol/extent.test.js
2013-03-04 20:02:55 +01:00

106 lines
4.1 KiB
JavaScript

goog.provide('ol.test.Extent');
describe('ol.Extent', function() {
describe('containsCoordinate', function() {
describe('positive', function() {
it('returns true', function() {
var extent = new ol.Extent(1, 2, 3, 4);
expect(extent.containsCoordinate(
new ol.Coordinate(1, 2))).toBeTruthy();
expect(extent.containsCoordinate(
new ol.Coordinate(1, 3))).toBeTruthy();
expect(extent.containsCoordinate(
new ol.Coordinate(1, 4))).toBeTruthy();
expect(extent.containsCoordinate(
new ol.Coordinate(2, 2))).toBeTruthy();
expect(extent.containsCoordinate(
new ol.Coordinate(2, 3))).toBeTruthy();
expect(extent.containsCoordinate(
new ol.Coordinate(2, 4))).toBeTruthy();
expect(extent.containsCoordinate(
new ol.Coordinate(3, 2))).toBeTruthy();
expect(extent.containsCoordinate(
new ol.Coordinate(3, 3))).toBeTruthy();
expect(extent.containsCoordinate(
new ol.Coordinate(3, 4))).toBeTruthy();
});
});
describe('negative', function() {
it('returns false', function() {
var extent = new ol.Extent(1, 2, 3, 4);
expect(extent.containsCoordinate(
new ol.Coordinate(0, 1))).toBeFalsy();
expect(extent.containsCoordinate(
new ol.Coordinate(0, 2))).toBeFalsy();
expect(extent.containsCoordinate(
new ol.Coordinate(0, 3))).toBeFalsy();
expect(extent.containsCoordinate(
new ol.Coordinate(0, 4))).toBeFalsy();
expect(extent.containsCoordinate(
new ol.Coordinate(0, 5))).toBeFalsy();
expect(extent.containsCoordinate(
new ol.Coordinate(1, 1))).toBeFalsy();
expect(extent.containsCoordinate(
new ol.Coordinate(1, 5))).toBeFalsy();
expect(extent.containsCoordinate(
new ol.Coordinate(2, 1))).toBeFalsy();
expect(extent.containsCoordinate(
new ol.Coordinate(2, 5))).toBeFalsy();
expect(extent.containsCoordinate(
new ol.Coordinate(3, 1))).toBeFalsy();
expect(extent.containsCoordinate(
new ol.Coordinate(3, 5))).toBeFalsy();
expect(extent.containsCoordinate(
new ol.Coordinate(4, 1))).toBeFalsy();
expect(extent.containsCoordinate(
new ol.Coordinate(4, 2))).toBeFalsy();
expect(extent.containsCoordinate(
new ol.Coordinate(4, 3))).toBeFalsy();
expect(extent.containsCoordinate(
new ol.Coordinate(4, 4))).toBeFalsy();
expect(extent.containsCoordinate(
new ol.Coordinate(4, 5))).toBeFalsy();
});
});
});
describe('transform', function() {
it('does transform', function() {
var transformFn =
ol.projection.getTransformFromCodes('EPSG:4326', 'EPSG:3857');
var sourceExtent = new ol.Extent(-15, -30, 45, 60);
var destinationExtent = sourceExtent.transform(transformFn);
expect(destinationExtent).not.toBeUndefined();
expect(destinationExtent).not.toBeNull();
// FIXME check values with third-party tool
expect(destinationExtent.minX).toRoughlyEqual(-1669792.3618991037, 1e-9);
expect(destinationExtent.minY).toRoughlyEqual(-3503549.843504376, 1e-8);
expect(destinationExtent.maxX).toRoughlyEqual(5009377.085697311, 1e-9);
expect(destinationExtent.maxY).toRoughlyEqual(8399737.889818361, 1e-9);
});
it('takes arbitrary function', function() {
var transformFn = function(input) {
return [-input[0], -input[1], -input[2], -input[3]];
};
var sourceExtent = new ol.Extent(-15, -30, 45, 60);
var destinationExtent = sourceExtent.transform(transformFn);
expect(destinationExtent).not.toBeUndefined();
expect(destinationExtent).not.toBeNull();
expect(destinationExtent.minX).toBe(-45);
expect(destinationExtent.minY).toBe(-60);
expect(destinationExtent.maxX).toBe(15);
expect(destinationExtent.maxY).toBe(30);
});
});
});
goog.require('ol.Coordinate');
goog.require('ol.Extent');
goog.require('ol.projection');