// Release should not throw exception
        assertDoesNotThrow(() -> bufferManager.releaseBuffer(buffer));
    }

    @Test
    public void testStatistics() throws Exception {
        long initialAllocated = bufferManager.getTotalAllocated();

        // Allocate regions larger than pool buffer size to force new allocations

        assertThrows(SmbException.class, () -> {
            validator.validateArrayAllocation(1000000, 200, 1000000); // 200MB
        });
    }

    @Test
    public void testStatistics() throws Exception {
        // Reset stats
        validator.resetStats();

        ServerResponseValidator.ValidationStats stats = validator.getStats();
        assertEquals(0, stats.getTotalValidations());

        rateLimiter.recordFailure("user1", null);
        assertTrue(rateLimiter.checkAttempt("user1", "192.168.1.9"), "Should still track account");
    }

    @Test
    public void testStatistics() throws Exception {
        // Initially stats should be zero
        AuthenticationRateLimiter.RateLimiterStats stats = rateLimiter.getStats();
        assertEquals(0, stats.getTotalBlocked());