func TestCheckLocalServerAddr(t *testing.T) {
	testCases := []struct {
		serverAddr  string
		expectedErr error
	}{
		{":54321", nil},
		{"localhost:54321", nil},
		{"0.0.0.0:9000", nil},
		{":0", nil},
		{"localhost", nil},
		{"", fmt.Errorf("invalid argument")},
		{"example.org:54321", fmt.Errorf("host in server address should be this server")},
		{":-10", fmt.Errorf("port must be between 0 to 65535")},
	}

        assertEquals(positiveValue, ndrLongPositive.value, "Constructor should correctly initialize with a positive value.");

        // Test case 2: Negative value
        int negativeValue = -54321;
        NdrLong ndrLongNegative = new NdrLong(negativeValue);
        assertEquals(negativeValue, ndrLongNegative.value, "Constructor should correctly initialize with a negative value.");

        // Test case 3: Zero value

        verify(mockDcerpcHandle, times(1)).sendrecv(any(MsrpcLsarClose.class));
    }

    @Test
    void close_shouldThrowSmbExceptionOnRpcError() throws IOException {
        // Arrange
        int errorCode = 54321;

        // First, successfully create an LsaPolicyHandle instance
        doAnswer(invocation -> {
            MsrpcLsarOpenPolicy2 rpc = invocation.getArgument(0);
            rpc.retval = 0;

        verify(mockDcerpcHandle, times(1)).sendrecv(any(MsrpcLsarClose.class));
    }

    @Test
    void close_shouldThrowSmbExceptionOnRpcError() throws IOException {
        // Arrange
        int errorCode = 54321;

        // First, successfully create an LsaPolicyHandle instance
        doAnswer(invocation -> {
            MsrpcLsarOpenPolicy2 rpc = invocation.getArgument(0);
            rpc.retval = 0;

        @DisplayName("Should return tree ID from getTreeId")
        void testGetTid() {
            // Given
            response.setTreeId(54321);

            // When
            int tid = response.getTid();

            // Then
            assertEquals(54321, tid, "getTid should return tree ID");
        }

        @Test
        @DisplayName("Should validate tree ID correctly")

            // Given
            int errorResult = 2;
            when(mockBuffer.dec_ndr_short()).thenReturn(2048, 2048, 5, errorResult, 1);
            when(mockBuffer.dec_ndr_long()).thenReturn(54321);
            when(mockBuffer.dec_ndr_small()).thenReturn(2);
            lenient().doNothing().when(mockBuffer).advance(anyInt());
            lenient().when(mockBuffer.align(anyInt())).thenReturn(0);

        // Verify that the method was called with the correct argument
        verify(mockResponse, times(1)).setMid(mid);
    }

    @Test
    void testGetMid() {
        long mid = 54321L;
        when(mockResponse.getMid()).thenReturn(mid);
        assertEquals(mid, mockResponse.getMid());

        // Verify the method was called
        verify(mockResponse, times(1)).getMid();
    }

    @Test

    @DisplayName("writeULong writes little endian bytes")
    void testWriteULong() {
        byte[] dest = new byte[4];
        NtlmMessage.writeULong(dest, 0, 0x01020304);
        assertArrayEquals(new byte[] { 4, 3, 2, 1 }, dest, "Writer must be little‑endian");
    }

    @Test
    @DisplayName("writeULong handles negative values as unsigned")
    void testWriteULongNegative() {
        byte[] dest = new byte[4];

    assertNextPermutation(newArrayList(3, 4, 1, 2), permutations);
    assertNextPermutation(newArrayList(4, 3, 1, 2), permutations);

    assertNextPermutation(newArrayList(4, 3, 2, 1), permutations);
    assertNextPermutation(newArrayList(3, 4, 2, 1), permutations);
    assertNextPermutation(newArrayList(3, 2, 4, 1), permutations);
    assertNextPermutation(newArrayList(3, 2, 1, 4), permutations);

>
> ```
> host                (hostname)           Postgres server hostname (used only if `connection_string` is empty)
> port                (port)               Postgres server port, defaults to `5432` (used only if `connection_string` is empty)
> username            (string)             database username (used only if `connection_string` is empty)