private Object getValueOfField(String fieldname, Class<?> sourceClass, Object source) {
String sourceClassName = sourceClass.getName();
Field field = null;
try {
field = sourceClass.getDeclaredField(fieldname);
field.setAccessible(true);
} catch (SecurityException e) {
fail(
"Unable to retrieve "
+ fieldname
+ " field from "
+ sourceClassName
+ ": "
+ e.getCause());
} catch (NoSuchFieldException e) {
fail(
"Unable to retrieve "
+ fieldname
+ " field from "
+ sourceClassName
+ ": "
+ e.getCause());
}
assertNotNull("." + fieldname + " field is null!?!", field);
Object fieldValue = null;
try {
fieldValue = field.get(source);
} catch (IllegalArgumentException e) {
fail(
"Unable to retrieve value of "
+ fieldname
+ " from "
+ sourceClassName
+ ": "
+ e.getCause());
} catch (IllegalAccessException e) {
fail(
"Unable to retrieve value of "
+ fieldname
+ " from "
+ sourceClassName
+ ": "
+ e.getCause());
}
return fieldValue;
}
public static void authenticateEndpoint(Endpoint endpoint, String user, String password) {
try {
Field userField = endpoint.getClass().getSuperclass().getDeclaredField("user");
userField.setAccessible(true);
userField.set(endpoint, user);
Field passwordField = endpoint.getClass().getSuperclass().getDeclaredField("password");
passwordField.setAccessible(true);
passwordField.set(endpoint, password);
} catch (SecurityException e) {
fail(e.getMessage());
e.printStackTrace();
} catch (NoSuchFieldException e) {
fail(e.getMessage());
e.printStackTrace();
} catch (IllegalArgumentException e) {
fail(e.getMessage());
e.printStackTrace();
} catch (IllegalAccessException e) {
fail(e.getMessage());
e.printStackTrace();
}
}
/**
* Tests the update function's functionality. Update is called on every game timer firing.
*
* <p>The update function has to move the paddle by the paddle's x velocity and not move in the y
* direction. It also can not move the paddle past the game window's boundaries.
*/
@Test
public final void testUpdate() {
// Test that the update function can move a paddle.
Robot robot;
try {
robot = new Robot();
Field paddleField, directionField;
Paddle paddle;
// Check that direction starts at 0
{
// Gain access to the paddle
paddleField = testgame.getClass().getDeclaredField("paddle");
paddleField.setAccessible(true);
paddle = (Paddle) paddleField.get(testgame);
// Gain access to the direction field of the paddle
directionField = paddle.getClass().getDeclaredField("direction");
directionField.setAccessible(true);
assertEquals(0, directionField.get(paddle));
}
// Check that when 'a' is pressed direction is set to -1
{
// Press 'A'
robot.keyPress(KeyEvent.VK_A);
// The game needs a little time to register the key
Thread.sleep(SLEEPDELAY);
// Gain access to the paddle
paddleField = testgame.getClass().getDeclaredField("paddle");
paddleField.setAccessible(true);
paddle = (Paddle) paddleField.get(testgame);
directionField = paddle.getClass().getDeclaredField("direction");
directionField.setAccessible(true);
assertEquals(-1, directionField.get(paddle));
}
// Check that when 'a' is released direction is reset to 0
{
// Release 'A'
robot.keyRelease(KeyEvent.VK_A);
// The game needs a little time to register the key
Thread.sleep(SLEEPDELAY);
// Gain access to the paddle
paddleField = testgame.getClass().getDeclaredField("paddle");
paddleField.setAccessible(true);
paddle = (Paddle) paddleField.get(testgame);
directionField = paddle.getClass().getDeclaredField("direction");
directionField.setAccessible(true);
assertEquals(0, directionField.get(paddle));
}
// Check that when 'd' is pressed with 'a' released direction is set
// to 1
{
// Press 'D'
robot.keyPress(KeyEvent.VK_D);
// The game needs a little time to register the key
Thread.sleep(SLEEPDELAY);
// Gain access to the paddle after a change
paddleField = testgame.getClass().getDeclaredField("paddle");
paddleField.setAccessible(true);
paddle = (Paddle) paddleField.get(testgame);
directionField = paddle.getClass().getDeclaredField("direction");
directionField.setAccessible(true);
assertEquals(1, directionField.get(paddle));
}
// Check that when 'd' is released direction is reset to 0
{
// Release 'D'
robot.keyRelease(KeyEvent.VK_D);
// The game needs a little time to register the key
Thread.sleep(SLEEPDELAY);
// Gain access to the paddle after a change
paddleField = testgame.getClass().getDeclaredField("paddle");
paddleField.setAccessible(true);
paddle = (Paddle) paddleField.get(testgame);
directionField = paddle.getClass().getDeclaredField("direction");
directionField.setAccessible(true);
assertEquals(0, directionField.get(paddle));
}
// Check that when two direction buttons are pressed, the first
// one pressed is dominant
{
// Press keys, a first.
robot.keyPress(KeyEvent.VK_A);
// The game needs a little time to register the key
Thread.sleep(SLEEPDELAY);
robot.keyPress(KeyEvent.VK_D);
// The game needs a little time to register the key
Thread.sleep(SLEEPDELAY);
// Gain access to the paddle after a change
paddleField = testgame.getClass().getDeclaredField("paddle");
paddleField.setAccessible(true);
paddle = (Paddle) paddleField.get(testgame);
directionField = paddle.getClass().getDeclaredField("direction");
directionField.setAccessible(true);
assertEquals(-1, directionField.get(paddle));
// // Release D. A should stay active.
// robot.keyRelease(KeyEvent.VK_D);
// // The game needs a little time to register the key. This case
// // may take a little longer than usual
// Thread.sleep(SLEEPDELAY);
//
// // Gain access to the paddle after a change
// paddleField = testgame.getClass().getDeclaredField("paddle");
// paddleField.setAccessible(true);
// paddle = (Paddle) paddleField.get(testgame);
// directionField =
// paddle.getClass().getDeclaredField("direction");
// directionField.setAccessible(true);
//
// assertEquals(-1, directionField.get(paddle));
//
// // Reapply D and then release A. D should go active.
// robot.keyPress(KeyEvent.VK_D);
// // The game needs a little time to register the key
// Thread.sleep(SLEEPDELAY);
// robot.keyRelease(KeyEvent.VK_A);
// // The game needs a little time to register the key
// Thread.sleep(SLEEPDELAY);
//
// // Gain access to the paddle after a change
// paddleField = testgame.getClass().getDeclaredField("paddle");
// paddleField.setAccessible(true);
// paddle = (Paddle) paddleField.get(testgame);
// directionField =
// paddle.getClass().getDeclaredField("direction");
// directionField.setAccessible(true);
//
// assertEquals(1, directionField.get(paddle));
}
} catch (IllegalAccessException e) {
// TODO Auto-generated catch block
fail("Can't access the direction field.");
} catch (NoSuchFieldException e) {
e.printStackTrace();
fail("The direction field does not exist.");
} catch (AWTException e) {
e.printStackTrace();
fail("Can't create the testing robot.");
} catch (InterruptedException e1) {
// Fired when the sleep function fails
e1.printStackTrace();
} finally {
robot = null;
}
}