@Test
public void testToUnicode() throws Exception {

    Rfc3492Idn idn = new Rfc3492Idn();
    // (A) Arabic
    Assert.assertEquals("\u0644\u064A\u0647\u0645\u0627\u0628\u062A\u0643\u0644" +
                 "\u0645\u0648\u0634\u0639\u0631\u0628\u064A\u061F",
                 idn.toUnicode("xn--egbpdaj6bu4bxfgehfvwxn"));
    // some real-world domains
    Assert.assertEquals("www.z\u00fcrich.ch",
                 idn.toUnicode("www.xn--zrich-kva.ch"));
    Assert.assertEquals("www.g\u00e4ggelig\u00e4\u00e4l.ch",
                 idn.toUnicode("www.xn--gggeligl-0zaga.ch"));
}