void testCreateNewFileWhenExists() throws SmbException, IOException {
            // Arrange
            doReturn(true).when(smbFile).exists();
            doNothing().when(smbFile).createNewFile();

            // Act
            smbFile.createNewFile();

            // Assert - should not throw exception when file exists
        }
    }

    @Nested
    class WhenHandlingConnections {

        @Test

                            project.layout.buildDirectory.file("tmp/teŝt files/leftover/leftover").get().asFile.apply {
                                parentFile.mkdirs()
                                createNewFile()
                            }
                        }
                    }
                    useJUnitPlatform()
                }
            }

            assertNotNull(clazz.getMethod("canWrite"), "Should have canWrite method");
            assertNotNull(clazz.getMethod("length"), "Should have length method");
            assertNotNull(clazz.getMethod("createNewFile"), "Should have createNewFile method");
            assertNotNull(clazz.getMethod("mkdir"), "Should have mkdir method");
            assertNotNull(clazz.getMethod("mkdirs"), "Should have mkdirs method");

        then:
        assertFoundDeadLinks()
    }

    private File createJavadocForClass(String path) {
        new File(docsRoot, "javadoc/${path}.html").tap {
            parentFile.mkdirs()
            createNewFile()
            text = "Generated javadoc HTML goes here"
        }
    }

    private GradleRunner run(String... args) {
        return GradleRunner.create()
            .withProjectDir(projectDir)

        String path = "target/test-repositories/" + component() + "/bad-local-repository";

        File f = new File(getBasedir(), path);

        f.createNewFile();

        return artifactRepositoryFactory.createArtifactRepository(
                "test", "file://" + f.getPath(), repoLayout, null, null);
    }

    protected String getRepositoryLayout() {

    CIFSContext context = getTestContext();
    context.getConfig().setProperty("jcifs.smb.client.useDurableHandles", "true");
    
    SmbFile file = new SmbFile("smb://server/share/test.txt", context);
    file.createNewFile();
    
    // Write some data
    try (OutputStream os = file.getOutputStream()) {
        os.write("test data".getBytes());
    }
    
    // Simulate network disconnection

    void testIOExceptionDuringRead() throws IOException {
        // Create a file that exists but will cause an IOException when read
        File lmhostsFile = tempDir.resolve("lmhosts").toFile();
        lmhostsFile.createNewFile();

        // Make file unreadable on Unix-like systems
        boolean isWindows = System.getProperty("os.name").toLowerCase().contains("windows");
        if (!isWindows) {

    context.getConfig().setProperty("jcifs.smb.client.useLeases", "true");
    
    try (SmbFile file = new SmbFile("smb://server/share/test.txt", context)) {
        // Open file with lease
        file.createNewFile();
        
        // Verify lease was granted
        assertTrue(file.canCacheRead());
        
        // Write should be cached
        try (OutputStream os = file.getOutputStream()) {

    
    // Get initial listing (establishes cache)
    SmbFile[] initialFiles = dir.listFiles();
    
    // Create new file
    testFile.createNewFile();
    
    // Wait for change notification
    Thread.sleep(2000);
    
    // Cache should be invalidated, new listing should include new file
    SmbFile[] updatedFiles = dir.listFiles();

    
    SmbFile file = new SmbFile("smb://server/share/test.txt", context);
    
    // Should work even if RDMA provider is not available
    file.createNewFile();
    assertTrue(file.exists());
}
```

## 8. Performance Monitoring

### 8.1 RDMA Statistics
```java
public class RdmaStatistics {