System.out.printf("Overall Performance Test: completed in %.2f ms%n", totalTimeMs);

        // Should complete very quickly with all optimizations
        assertTrue(totalTimeMs < 100, "All operations should complete quickly with performance fixes");

        pool.close();
    }

            assertFalse(auth1.equals(auth3));

            // Test empty vs password
            assertFalse(auth2.equals(auth3));

            // These operations should complete quickly and consistently
            long startTime = System.nanoTime();
            for (int i = 0; i < 1000; i++) {
                auth1.equals(auth2);
                auth1.equals(auth3);
                auth2.equals(auth3);