@Test
public void testIsLegal() {

	String[] before = {
			"..#..",
			".....",
			".....",
			".....",
			".....",
	};
	board.setUpProblem(before, BLACK);
	assertFalse(board.isLegal(at("c5")));
	assertTrue(board.isLegal(PASS));
	assertTrue(board.isLegal(at("c4")));
	assertEquals(asOneString(before), board.toString());
	assertEquals(BLACK, board.getColorToPlay());
}