@Test
public void testGetCommonPrefixWindows() {

	Assert.assertEquals(
		"C:/home/user1/tmp",
		StringUtil.getCommonPrefix(
			'/', "C:/home/user1/tmp/coverage/test",
			"C:/home/user1/tmp/covert/operator",
			"C:/home/user1/tmp/coven/members"));
	Assert.assertNull(
		StringUtil.getCommonPrefix('/', "C:/dir1/tmp", "D:/dir2/tmp"));
}