Tests.prototype.AccelerometerTests = function() {

	module('Accelerometer (navigator.accelerometer)');

	test("should exist", function() {

  		expect(1);

  		ok(navigator.accelerometer != null, "navigator.accelerometer should not be null.");

	});

	test("should contain a getCurrentAcceleration function", function() {

		expect(2);

		ok(typeof navigator.accelerometer.getCurrentAcceleration != 'undefined' && navigator.accelerometer.getCurrentAcceleration != null, "navigator.accelerometer.getCurrentAcceleration should not be null.");

		ok(typeof navigator.accelerometer.getCurrentAcceleration == 'function', "navigator.accelerometer.getCurrentAcceleration should be a function.");

	});

	test("getCurrentAcceleration success callback should be called with an Acceleration object", function() {

		expect(7);

		stop(tests.TEST_TIMEOUT);

		var win = function(a) {

			ok(typeof a == 'object', "Acceleration object returned in getCurrentAcceleration success callback should be of type 'object'.");

			ok(a.x != null, "Acceleration object returned in getCurrentAcceleration success callback should have an 'x' property.");

			ok(typeof a.x == 'number', "Acceleration object's 'x' property returned in getCurrentAcceleration success callback should be of type 'number'.");

			ok(a.y != null, "Acceleration object returned in getCurrentAcceleration success callback should have a 'y' property.");

			ok(typeof a.y == 'number', "Acceleration object's 'y' property returned in getCurrentAcceleration success callback should be of type 'number'.");

			ok(a.z != null, "Acceleration object returned in getCurrentAcceleration success callback should have a 'z' property.");

			ok(typeof a.z == 'number', "Acceleration object's 'z' property returned in getCurrentAcceleration success callback should be of type 'number'.");

			start();

		};

		var fail = function() { start(); };

		navigator.accelerometer.getCurrentAcceleration(win, fail);

	});

	test("should contain a watchAcceleration function", function() {

		expect(2);

		ok(typeof navigator.accelerometer.watchAcceleration != 'undefined' && navigator.accelerometer.watchAcceleration != null, "navigator.accelerometer.watchAcceleration should not be null.");

		ok(typeof navigator.accelerometer.watchAcceleration == 'function', "navigator.accelerometer.watchAcceleration should be a function.");

	});

	test("should contain a clearWatch function", function() {

		expect(2);

		ok(typeof navigator.accelerometer.clearWatch != 'undefined' && navigator.accelerometer.clearWatch != null, "navigator.accelerometer.clearWatch should not be null.");

		ok(typeof navigator.accelerometer.clearWatch == 'function', "navigator.accelerometer.clearWatch should be a function!");

	});

	module('Acceleration model');

	test("should be able to define a new Acceleration object with x, y, z and timestamp properties.", function () {

		expect(9);

		var x = 1;

		var y = 2;

		var z = 3;

		var a = new Acceleration(x, y, z);

		ok(a != null, "new Acceleration object should not be null.");

		ok(typeof a == 'object', "new Acceleration object should be of type 'object'.");

		ok(a.x != null, "new Acceleration object should have an 'x' property.");

		equals(a.x, x, "new Acceleration object should have 'x' property equal to first parameter passed in Acceleration constructor.");

		ok(a.y != null, "new Acceleration object should have a 'y' property.");

		equals(a.y, y, "new Acceleration object should have 'y' property equal to second parameter passed in Acceleration constructor.");

		ok(a.z != null, "new Acceleration object should have a 'z' property.");

		equals(a.z, z, "new Acceleration object should have 'z' property equal to third parameter passed in Acceleration constructor.");

		ok(a.timestamp != null, "new Acceleration object should have a 'timestamp' property.");

	});

};