// Arrange
        short level = 1;

        // Act
        queryPolicy = new MsrpcQueryInformationPolicy(mockPolicyHandle, level, mockNdrObject);

        // Assert
        assertSame(mockPolicyHandle, queryPolicy.handle);
    }

    @Test
    void constructor_shouldSetLevelCorrectly() {
        // Arrange
        short level = 7;

        // Act

        // ## Act ##
        final CurlRequest request = Curl.get(url);

        // ## Assert ##
        assertNotNull(request);
        assertEquals(Method.GET, request.method());
    }

    @Test
    public void test_PostFactoryMethod() {
        // ## Arrange ##
        final String url = "http://example.com";

        // ## Act ##
        final CurlRequest request = Curl.post(url);

    }

    @Test
    @DisplayName("Default ctor: null message/cause; toString is class name; type hierarchy")
    void defaultConstructor_hasNullMessageAndCause_andTypeHierarchy() {
        // Arrange & Act
        SMBProtocolDowngradeException ex = new SMBProtocolDowngradeException();

        // Assert - message and cause are null
        assertNull(ex.getMessage(), "Default constructor should have null message");

        @ValueSource(strings = { "smb://server/IPC$/foo", "smb://server/IPC$/PIPE/foo" })
        void constructsWithIpcShare(String url) throws Exception {
            // Arrange & Act
            SmbNamedPipe pipe = new SmbNamedPipe(url, SmbPipeResource.PIPE_TYPE_RDWR, ctx());

            // Assert: type is named pipe and pipe type preserved

    }

    @Test
    @DisplayName("Default constructor sets the expected message and no cause")
    void defaultConstructor_setsExpectedMessage_andNoCause() {
        // Arrange & Act
        SmbUnsupportedOperationException ex = new SmbUnsupportedOperationException();

        // Assert
        assertEquals("Operation is not supported with the negotiated capabilities", ex.getMessage(),

            MsrpcSamrOpenAlias rpc = invocation.getArgument(0);
            rpc.retval = 0; // Simulate success
            return null;
        }).when(mockDcerpcHandle).sendrecv(any(MsrpcSamrOpenAlias.class));

        // Act
        SamrAliasHandle aliasHandle = new SamrAliasHandle(mockDcerpcHandle, mockSamrDomainHandle, access, rid);

        // Assert
        assertNotNull(aliasHandle);

        // Act
        out.close();

        // Assert
        verifyNoInteractions(handle);
    }

    @Nested
    @DisplayName("Constructor invalid inputs")
    class ConstructorInvalidInputs {
        @Test
        @DisplayName("Null handle triggers NullPointerException")
        void ctor_nullHandle_throwsNPE() {
            // Act + Assert

            // Act & Assert
            assertDoesNotThrow(() -> new MsrpcSamrConnect2(null, 0, ph));
        }

        @Test
        @DisplayName("should accept negative access mask values")
        void testNegativeAccessMaskAccepted() {
            // Arrange
            SamrPolicyHandle ph = createMockPolicyHandle();

            // Act & Assert

    @MethodSource("intErrorCodes")
    @DisplayName("int ctor: sets message and NT status as expected")
    void intConstructor_populatesMessageAndStatus(int errCode, int expectedStatus) {
        // Arrange & Act: create exception with error code
        SmbAuthException ex = new SmbAuthException(errCode);

        // Assert: type, message derived from code, status mapping, and no cause
        assertNotNull(ex);

        // Act
        tree.connectLogon(context);

        // Assert - verify interaction with dependency
        verify(tree, times(1)).connectLogon(context);
        verify(tree, never()).close();
    }

    @Test
    @DisplayName("connectLogon accepts null context but still invokes")
    void connectLogon_withNull_isInvoked() throws Exception {
        // Act
        tree.connectLogon(null);