long createTime = file.createTime();
        long lastModified = file.lastModified();
        long lastAccess = file.lastAccess();

        assertTrue(createTime > 0, "Create time should be set");
        assertTrue(lastModified > 0, "Last modified time should be set");
        assertTrue(lastAccess >= 0, "Last access time should be non-negative");

        // Test setting attributes
        file.setReadOnly();