@Test
public void lookup() throws Exception {

    E164CountryCode result0 = E164CountryCodeUtil.lookup("1");
    Assert.assertEquals("US", result0.getIso());
    result0 = E164CountryCodeUtil.lookup("1313");
    Assert.assertEquals("US", result0.getIso());
    result0 = E164CountryCodeUtil.lookup("");
    Assert.assertEquals(null, result0);
    result0 = E164CountryCodeUtil.lookup("1416");
    Assert.assertEquals("CA", result0.getIso());
    result0 = E164CountryCodeUtil.lookup("18765551212");
    Assert.assertEquals("JM", result0.getIso());
    result0 = E164CountryCodeUtil.lookup("448765551212");
    Assert.assertEquals("GB", result0.getIso());
}