Tests.prototype.GeoLocationTests = function() {	
	module('Geolocation (navigator.geolocation)');
	test("should exist", function() {
  		expect(1);
  		ok(navigator.geolocation != null, "navigator.geolocation should not be null.");
	});
	test("should have an initially null lastPosition property", function() {
  		expect(1);
  		ok(typeof navigator.geolocation.lastPosition != 'undefined' && navigator.geolocation.lastPosition == null, "navigator.geolocation.lastPosition should be initially null.");
	});
	test("should contain a getCurrentPosition function", function() {
		expect(2);
		ok(typeof navigator.geolocation.getCurrentPosition != 'undefined' && navigator.geolocation.getCurrentPosition != null, "navigator.geolocation.getCurrentPosition should not be null.");
		ok(typeof navigator.geolocation.getCurrentPosition == 'function', "navigator.geolocation.getCurrentPosition should be a function.");
	});
	test("should contain a watchPosition function", function() {
		expect(2);
		ok(typeof navigator.geolocation.watchPosition != 'undefined' && navigator.geolocation.watchPosition != null, "navigator.geolocation.watchPosition should not be null.");
		ok(typeof navigator.geolocation.watchPosition == 'function', "navigator.geolocation.watchPosition should be a function.");
	});
	test("getCurrentPosition success callback should be called with a Position object", function() {
		expect(3);
		stop(tests.TEST_TIMEOUT);
		var win = function(p) {
			ok(p.coords != null, "Position object returned in getCurrentPosition success callback has a 'coords' property.");
			ok(p.timestamp != null, "Position object returned in getCurrentPosition success callback has a 'timestamp' property.");
			equals(p, navigator.geolocation.lastPosition, "Position object returned in getCurrentPosition success callback equals navigator.geolocation.lastPosition.");
			start();
		};
		var fail = function() { start(); };
		navigator.geolocation.getCurrentPosition(win, fail);
	});
	// TODO: Need to test error callback... how?
	// TODO: Need to test watchPosition success callback, test that makes sure clearPosition works (how to test that a timer is getting cleared?)
	// TODO: Need to test options object passed in. Members that need to be tested so far include:
	//				- options.frequency: this is also labelled differently on some implementations (internval on iPhone/BlackBerry currently). 
	module('Geolocation model');
	test("should be able to define a Position object with coords and timestamp properties", function() {
		expect(3);
		var pos = new Position({});
		ok(pos != null, "new Position() should not be null.");
		ok(typeof pos.coords != 'undefined' && pos.coords != null, "new Position() should include a 'coords' property.");
		ok(typeof pos.timestamp != 'undefined' && pos.timestamp != null, "new Position() should include a 'timestamp' property.");
	});
	test("should be able to define a Coordinates object with latitude, longitude, accuracy, altitude, heading and speed properties", function() {
		expect(7);
		var coords = new Coordinates(1,2,3,4,5,6,7);
		ok(coords != null, "new Coordinates() should not be null.");
		ok(typeof coords.latitude != 'undefined' && coords.latitude != null, "new Coordinates() should include a 'latitude' property.");
		ok(typeof coords.longitude != 'undefined' && coords.longitude != null, "new Coordinates() should include a 'longitude' property.");
		ok(typeof coords.accuracy != 'undefined' && coords.accuracy != null, "new Coordinates() should include a 'accuracy' property.");
		ok(typeof coords.altitude != 'undefined' && coords.altitude != null, "new Coordinates() should include a 'altitude' property.");
		ok(typeof coords.heading != 'undefined' && coords.heading != null, "new Coordinates() should include a 'heading' property.");
		ok(typeof coords.speed != 'undefined' && coords.speed != null, "new Coordinates() should include a 'speed' property.");
	});
};