SMBUtil.writeInt4(testCapabilities, buffer, bufferIndex);

        // Set server GUID (16 bytes)
        byte[] testGuid = new byte[16];
        for (int i = 0; i < 16; i++) {
            testGuid[i] = (byte) (i + 1);
        }
        System.arraycopy(testGuid, 0, buffer, bufferIndex + 4, 16);

        // Set security mode (2 bytes)
        int testSecurityMode = 0x0003;

	for i, testCase := range testCases {
		if sipHashElement := hashKey("SIPMOD", testCase.objectName, 200, testUUID); sipHashElement != testCase.sipHash {
			t.Errorf("Test case %d: Expected \"%v\" but failed \"%v\"", i+1, testCase.sipHash, sipHashElement)
		}
	}

	if sipHashElement := hashKey("SIPMOD", "This will fail", -1, testUUID); sipHashElement != -1 {
		t.Errorf("Test: Expected \"-1\" but got \"%v\"", sipHashElement)
	}

        .isEqualTo("google.com");

    assertThrows(IllegalStateException.class, () -> InternetDomainName.from("com").parent());
  }

  public void testChild() {
    InternetDomainName domain = InternetDomainName.from("foo.com");

    assertThat(domain.child("www").toString()).isEqualTo("www.foo.com");