}

    @Test
    @DisplayName("nextCalledName should return valid name for fallback attempts")
    void testNextCalledNameContract() {
        // Given
        String expectedNextName = "SERVER15";
        when(mockAddress.nextCalledName(mockContext)).thenReturn(expectedNextName);

        // When
        String nextName = mockAddress.nextCalledName(mockContext);

        // Then

        // Arrange
        NbtAddress nbtMock = mock(NbtAddress.class);
        when(nbtMock.nextCalledName()).thenReturn("NEXT");
        UniAddress ua = new UniAddress(nbtMock);
        // Act
        String next = ua.nextCalledName();
        // Assert
        assertEquals("NEXT", next, "nextCalledName should delegate to NbtAddress when called");
    }

    @Test

     * @param tc
     *            context to use
     *
     * @return guessed alternate name
     */
    @Override
    public String nextCalledName(final CIFSContext tc) {
        if (this.addr instanceof NbtAddress) {
            return ((NbtAddress) this.addr).nextCalledName(tc);
        }
        if (this.calledName != NbtAddress.SMBSERVER_NAME) {
            this.calledName = NbtAddress.SMBSERVER_NAME;

     * methods are used by the smb package.
     *
     * @param tc the transport context to use for name resolution
     *
     * @return guessed name
     */
    String nextCalledName(CIFSContext tc);