assertTrue(memory2 >= 0);
        // Memory usage should have changed (though we can't guarantee direction due to GC)
    }

    @Test
    public void test_integrationScenarios() {
        // Test realistic scenarios combining multiple methods
        String memoryLog1 = MemoryUtil.getMemoryUsageLog();

        // Create some objects and measure their sizes
        List<String> testData = new ArrayList<>();