assertNotNull(stream);
            assertEquals(-1, stream.read()); // Should indicate end of stream
        }
    }

    @Test
    public void testMemoryBasedCacheWithLargeData() throws IOException {
        // Create a large byte array (1MB)
        byte[] data = new byte[1024 * 1024];
        for (int i = 0; i < data.length; i++) {
            data[i] = (byte) (i % 256);