assertEquals(NbtAddress.SMBSERVER_NAME, nbtAddress.firstCalledName());

        mockName = new Name(mockConfig, "DOMAIN", 0x1C, null); // Domain Controller
        nbtAddress = new NbtAddress(mockName, testAddressInt, false, NbtAddress.H_NODE);
        assertEquals(NbtAddress.SMBSERVER_NAME, nbtAddress.firstCalledName());

        if (this.calledName == this.hostName.name) {
            this.calledName = SMBSERVER_NAME;
        } else if (SMBSERVER_NAME.equals(this.calledName)) {
            NetbiosAddress[] addrs;

            try {
                addrs = tc.getNameServiceClient().getNodeStatus(this);
                if (this.getNameType() == 0x1D) {
                    for (final NetbiosAddress addr : addrs) {

        if (isDotQuadIP(calledName)) {
            calledName = NbtAddress.SMBSERVER_NAME;
        } else {
            final int i = calledName.indexOf('.');
            if (i > 1 && i < 15) {
                calledName = calledName.substring(0, i).toUpperCase();
            } else if (calledName.length() > 15) {
                calledName = NbtAddress.SMBSERVER_NAME;
            } else {
                calledName = calledName.toUpperCase();

            assertEquals(NbtAddress.SMBSERVER_NAME, uniAddress.nextCalledName(mockCIFSContext));
        }

        @Test
        void shouldReturnNullWhenInetAddressAndCalledNameIsAlreadySmbServerName() throws UnknownHostException {
            when(mockInetAddress.getHostName()).thenReturn("192.168.1.1"); // This will set calledName to SMBSERVER_NAME
            UniAddress uniAddress = new UniAddress(mockInetAddress);

        if (calledName == hostName.name) {
            calledName = SMBSERVER_NAME;
        } else if (calledName == SMBSERVER_NAME) {
            NbtAddress[] addrs;

            try {
                addrs = CLIENT.getNodeStatus(this);
                if (hostName.hexCode == 0x1D) {
                    for (final NbtAddress addr : addrs) {
                        if (addr.hostName.hexCode == 0x20) {