}

    @Nested
    @DisplayName("Constructor behavior")
    class ConstructorTests {

        @ParameterizedTest
        @DisplayName("Accepts IPC$ URLs (happy path)")
        @ValueSource(strings = { "smb://server/IPC$/foo", "smb://server/IPC$/PIPE/foo" })
        void constructsWithIpcShare(String url) throws Exception {
            // Arrange & Act

    @Test
    @DisplayName("shouldForceSigning depends on config, creds, and IPC")
    void testShouldForceSigning() {
        when(config.isIpcSigningEnforced()).thenReturn(true);
        when(creds.isAnonymous()).thenReturn(false);

        // Case 1: share is IPC$ -> IPC
        SmbResourceLocatorImpl ipc = locator("smb://server/IPC$/");
        assertTrue(ipc.shouldForceSigning());

        // Case 2: config disabled

            makePipeUrlMethod.setAccessible(true);
            String result = (String) makePipeUrlMethod.invoke(handle);

            assertEquals("smb://server/IPC$/test", result);
        }

        @Test
        @DisplayName("Should generate correct pipe URL with server option")
        void testMakePipeUrl_WithServerOption() throws Exception {

        }

        if (transport.getContext().getConfig().isIpcSigningEnforced() && ("IPC$".equals(this.getShare()) || "IPC".equals(rsvc))
                && !sess.getCredentials().isAnonymous() && sess.getDigest() == null) {
            throw new SmbException("IPC signing is enforced, but no signing is available");
        }

        this.service = rsvc;

        when(session.getSmbTree(eq("IPC$"), isNull())).thenReturn(tree);
        when(tree.unwrap(SmbTreeInternal.class)).thenReturn(tree);

        doReturn(mockTransport).when(poolSpy).getSmbTransport(eq(ctx), eq(address), anyInt(), eq(false), anyBoolean());

        // When: Perform logon
        poolSpy.logon(ctx, address);

        // Then: Should connect to IPC$ share
        verify(tree).connectLogon(ctx);
    }

    void testGetPipeResourceWithValidURLs() throws CIFSException {
        // Test that valid pipe URLs can be created successfully
        String[] validPipeUrls = { "smb://server/IPC$/pipe", "smb://server/IPC$/pipe/svcctl" };

        for (String validUrl : validPipeUrls) {
            // When
            SmbPipeResource pipe = context.getPipe(validUrl, 0);

            // Then

 *
 * <pre>
 * new SmbNamedPipe("smb://server/IPC$/PIPE/foo", SmbNamedPipe.PIPE_TYPE_RDWR | SmbNamedPipe.PIPE_TYPE_CALL, context);
 * </pre>
 *
 * </td>
 * <td>
 * Open the Named Pipe foo for reading and writing. The pipe will behave like the <code>CallNamedPipe</code> interface.
 * </td>
 * </tr>
 * <tr>
 * <td >
 *
 * <pre>

 * <tr><td ><pre>
 * new SmbNamedPipe( "smb1://server/IPC$/PIPE/foo",
 *         SmbNamedPipe.PIPE_TYPE_RDWR |
 *         SmbNamedPipe.PIPE_TYPE_CALL );
 * </pre></td><td>
 * Open the Named Pipe foo for reading and writing. The pipe will behave like the <code>CallNamedPipe</code> interface.
 * </td></tr>
 * <tr><td ><pre>
 * new SmbNamedPipe( "smb1://server/IPC$/foo",
 *         SmbNamedPipe.PIPE_TYPE_RDWR |

     */
    @Test
    public void testSigningConfiguration() throws CIFSException {
        BaseConfiguration config = new BaseConfiguration(true);

        // Verify IPC signing is enforced (this is a security requirement)
        assertTrue("IPC signing should be enforced for security", config.isIpcSigningEnforced());
    }

    /**
     * Test secure negotiation requirement for SMB3
     */
    @Test

        String adminShare = validator.validatePath("\\\\server\\C$\\folder");
        assertEquals("\\server\\C$\\folder", adminShare);

        // IPC share should be allowed
        String ipcShare = validator.validatePath("\\\\server\\IPC$");
        assertEquals("\\server\\IPC$", ipcShare);
    }

    @Test
    public void testCaseInsensitivity() throws Exception {