@Test
public void testSolveNQueens3() {
ArrayList<String[]> result = s.solveNQueens(4);
for (String[] sa : result) {
System.out.println(Arrays.asList(sa));
}
assertNotNull(result);
assertTrue(result.size() == 2);
}
@Test
public void testSolveNQueens4() {
ArrayList<String[]> result = s.solveNQueens(9);
for (String[] sa : result) {
System.out.println(Arrays.asList(sa));
}
assertNotNull(result);
assertTrue("number of distinct solutions " + result.size(), result.size() == 352);
}
@Test
public void testSolveNQueens1() {
ArrayList<String[]> result = s.solveNQueens(0);
assertNotNull(result);
assertTrue(result.size() == 0);
}