@Test
public void testFinalState() {
/* verify that the actual pattern matches the expected pattern after 3 generations *
*/
/* expected pattern for final state
* (X: alive; -: dead)
*
* 0 1 2 3 4
* 0 - - X - -
* 1 - X - X -
* 2 X - - - X
* 3 - X - X -
* 4 - - X - -
*
*/
GameOfLife game = new GameOfLife(true);
game.createNextGeneration();
game.createNextGeneration();
final int ROWS = game.getNumRows();
final int COLS = game.getNumCols();
for (int row = 0; row < ROWS; row++) {
for (int col = 0; col < COLS; col++) {
// in this example, an alive cell has a non-null actor and a dead cell has a null actor
Actor cell = game.getActor(row, col);
// if the cell at the current row and col should be alive, assert that the actor is not null
if ((row == 0 && col == 2)
|| (row == 1 && col == 1)
|| (row == 1 && col == 3)
|| (row == 2 && col == 0)
|| (row == 2 && col == 4)
|| (row == 3 && col == 1)
|| (row == 3 && col == 3)
|| (row == 4 && col == 2)) {
assertNotNull("expected alive cell at (" + row + ", " + col + ")", cell);
} else // else, the cell should be dead; assert that the actor is null
{
assertNull("expected dead cell at (" + row + ", " + col + ")", cell);
}
}
}
// ...
}
@Test
public void testInitialState() {
/* expected pattern for initial state
* (X: alive; -: dead)
*
* 0 1 2 3 4
* 0 X - - - X
* 1 - X - X -
* 2 - - X - -
* 3 - X - X -
* 4 X - - - X
*
*/
GameOfLife game = new GameOfLife(true);
final int ROWS = game.getNumRows();
final int COLS = game.getNumCols();
for (int row = 0; row < ROWS; row++) {
for (int col = 0; col < COLS; col++) {
// in this example, an alive cell has a non-null actor and a dead cell has a null actor
Actor cell = game.getActor(row, col);
// if the cell at the current row and col should be alive, assert that the actor is not null
if ((row == 0 && col == 0)
|| (row == 0 && col == 4)
|| (row == 1 && col == 1)
|| (row == 1 && col == 3)
|| (row == 2 && col == 2)
|| (row == 3 && col == 1)
|| (row == 3 && col == 3)
|| (row == 4 && col == 0)
|| (row == 4 && col == 4)) {
assertNotNull("expected alive cell at (" + row + ", " + col + ")", cell);
} else // else, the cell should be dead; assert that the actor is null
{
assertNull("expected dead cell at (" + row + ", " + col + ")", cell);
}
}
}
}
