}

    @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

        data[15] = 0x00; // type = 0
        data[16] = 40;
        data[17] = 0;
        data[18] = 0;
        data[19] = 0; // remark offset

        // Entry 2: IPC$, type 3 (IPC), remark "Inter-Process Communication"
        System.arraycopy("IPC$".getBytes(StandardCharsets.US_ASCII), 0, data, 20, 4);
        data[34] = 0x03;
        data[35] = 0x00; // type = 3
        data[36] = 60;
        data[37] = 0;

            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;

    void testReadDataWireFormatMultipleShares() throws Exception {
        int numShares = 3;
        String[] shareNames = { "SHARE1", "ADMIN$", "IPC$" };
        int[] shareTypes = { 0, 0x8000, 3 }; // Disk, Hidden flag (stored in 2 bytes), IPC
        String[] remarks = { "First share", "Admin share", "IPC share" };

        // Set converter and number of entries
        setConverter(response, 0);
        setNumEntries(response, numShares);

        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);
    }

    }

    DfsReferral getDfsReferrals(final NtlmPasswordAuthentication auth, final String path, int rn) throws SmbException {
        final SmbTree ipc = getSmbSession(auth).getSmbTree("IPC$", null);
        final Trans2GetDfsReferralResponse resp = new Trans2GetDfsReferralResponse();
        ipc.send(new Trans2GetDfsReferral(path), resp);

        if (resp.numReferrals == 0) {
            return null;
        }

 * <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 |

    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