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.");

	});

};