}

    /**
     * If the path of this <code>SmbFile</code> falls within a DFS volume,
     * this method will return the referral path to which it maps. Otherwise
     * <code>null</code> is returned.
     *
     * @return URL to the DFS volume
     * @throws SmbException if an error occurs while resolving the DFS path
     */
    public String getDfsPath() throws SmbException {
        try {

            assertEquals("testServer", handle.getServer());
        }

        @Test
        @DisplayName("Should return correct server name with DFS")
        void testGetServerWithDfs() throws Exception {
            DcerpcPipeHandle handle = createMockedDcerpcPipeHandle();
            when(mockSmbResourceLocator.getServerWithDfs()).thenReturn("testServerDfs");

        verify(treeConnection).getSession();
    }

    @Test
    @DisplayName("ensureDFSResolved forwards to tree connection with locator")
    void ensureDFSResolvedDelegates() throws Exception {
        // Confirms DFS resolution is delegated with the correct locator
        // Act
        handle.ensureDFSResolved();
        // Assert & interaction verify
        verify(treeConnection).ensureDFSResolved(resourceLoc);
    }

        if (tc.getDfs().isTrustedDomain(tc, locator.getServer())) {
            /*
             * The server name is actually the name of a trusted
             * domain. Add DFS roots to the list.
             */
            try {
                entries = doDfsRootEnum(tc, locator, locator.getAddress());
                for (final FileEntry e : entries) {

        // Prepare test data with realistic SMB3 values
        byte[] buffer = new byte[50];
        int bufferIndex = 0;

        // SMB3 capabilities
        int testCapabilities = 0x0000002F; // DFS, LEASING, LARGE_MTU, MULTI_CHANNEL, PERSISTENT_HANDLES, DIRECTORY_LEASING

        // Random but realistic GUID

        assertNotNull(s2);
        assertEquals(1, transport.getNumSessions(), "Should reuse existing session");
        s2.close();
    }

    @Test
    @DisplayName("DFS referrals: invalid double-slash prefix triggers exception")
    void dfsReferrals_invalidPath() {
        CIFSException ex = assertThrows(CIFSException.class, () -> transport.getDfsReferrals(ctx, "\\\\server\\share", null, null, 1));

     */
    int CAP_LOCK_AND_READ = 0x0100;
    /**
     * NT find operations are supported capability.
     */
    int CAP_NT_FIND = 0x0200;
    /**
     * DFS operations are supported capability.
     */
    int CAP_DFS = 0x1000;
    /**
     * Large read operations are supported capability.
     */
    int CAP_LARGE_READX = 0x4000;
    /**

    /** The object was not found */
    int NT_STATUS_NOT_FOUND = 0xC0000225;
    /** The referenced account is currently locked out */
    int NT_STATUS_ACCOUNT_LOCKED_OUT = 0xC0000234;
    /** The pathname does not traverse a DFS junction */
    int NT_STATUS_PATH_NOT_COVERED = 0xC0000257;
    /** The IO operation on the reparse point failed */
    int NT_STATUS_IO_REPARSE_TAG_NOT_HANDLED = 0xC0000279;

- Compatibility testing with Windows Server 2016/2019/2022

### Test Infrastructure Requirements
- Windows Server test environment with:
  - Failover clustering
  - RDMA-capable network adapters
  - DFS namespace
  - Multiple network interfaces

## Configuration Properties

```properties
# Lease configuration
jcifs.smb.client.useLeases=true
jcifs.smb.client.leaseTimeout=30000

# Persistent handles

package jcifs.internal.dfs;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.junit.jupiter.api.Assertions.assertTrue;

import java.nio.ByteBuffer;
import java.nio.ByteOrder;