assertNotNull(cached);
    assertEquals(2, cached.size());
}
```

### 8.2 Integration Tests
```java
@Test
public void testDirectoryListingCache() throws Exception {
    CIFSContext context = getTestContext();
    context.getConfig().setProperty("jcifs.smb.client.useDirectoryLeasing", "true");
    
    SmbFile dir = new SmbFile("smb://server/share/testdir/", context);
    
    // First listing should hit the server

}
```

### 7.2 Integration Tests
```java
@Test
@EnabledIfSystemProperty(named = "rdma.test.enabled", matches = "true")
public void testRdmaLargeFileTransfer() throws Exception {
    CIFSContext context = getTestContext();
    context.getConfig().setProperty("jcifs.smb.client.useRDMA", "true");
    
    SmbFile file = new SmbFile("smb://server/share/largefile.dat", context);
    
    // Measure RDMA transfer performance

        assertArrayEquals(fileId, recovered.fileId);
    }
}
```

### 8.2 Integration Tests
```java
@Test
public void testDurableHandleReconnection() throws Exception {
    CIFSContext context = getTestContext();
    context.getConfig().setProperty("jcifs.smb.client.useDurableHandles", "true");
    
    SmbFile file = new SmbFile("smb://server/share/test.txt", context);
    file.createNewFile();
    

```java
@Test
@EnabledIfSystemProperty(named = "witness.test.enabled", matches = "true")
public void testWitnessFailover() throws Exception {
    // Requires cluster environment for testing
    CIFSContext context = getTestContext();
    context.getConfig().setProperty("jcifs.smb.client.useWitness", "true");
    
    SmbFile file = new SmbFile("smb://cluster-server/share/test.txt", context);
    file.createNewFile();
    

    }
}
```

### 8.2 Integration Tests
```java
@Test
public void testLeaseWithRealServer() throws Exception {
    // Requires SMB3 capable server
    CIFSContext context = getTestContext();
    context.getConfig().setProperty("jcifs.smb.client.useLeases", "true");
    
    try (SmbFile file = new SmbFile("smb://server/share/test.txt", context)) {
        // Open file with lease

}
```

### 7.2 Integration Tests
```java
@Test
public void testMultiChannelThroughput() throws Exception {
    // Requires multi-NIC test environment
    CIFSContext context = getTestContext();
    context.getConfig().setProperty("jcifs.smb.client.useMultiChannel", "true");
    context.getConfig().setProperty("jcifs.smb.client.maxChannels", "4");