@Test
public void testReverse() {
int[] a = new int[] {1, 3, 5, -3, 6, 7};
int[] toReverse = Arrays.copyOf(a, a.length);
RotateString.reverse(toReverse, 0, toReverse.length - 1);
assertEquals(a.length, toReverse.length);
for (int i = 0; i < a.length; i++) {
assertEquals(a[i], toReverse[toReverse.length - 1 - i]);
}
}
@Test(expected = IllegalArgumentException.class)
public void testReverseInExceptionForRightArgument() {
int[] a = new int[] {1, 2};
RotateString.reverse(a, 0, 3);
}
