@Test
public void normalizationStringTest() {

    Assert.assertEquals("http://www.example.com", UrlUtil.normalize("http://www.example.com"));
    Assert.assertEquals("http://www.example.com", UrlUtil.normalize("http://www.example.com/"));
    Assert.assertEquals("http://www.example.com", UrlUtil.normalize("http://www.example.com//////"));
}