assertTrue(file.exists(), "Hidden file should still exist");
        assertTrue(file.canRead(), "Hidden file should be readable");
    }

    @Test
    void testReadOnlyFileOperations() throws Exception {
        // Test SMB read-only attribute
        long timestamp = System.currentTimeMillis();
        SmbFile file = new SmbFile(baseUrl + "shared/readonly_" + timestamp + ".txt", context);