int bytesRead2 = stream2.read(buffer2);
            assertEquals(testContent, new String(buffer2, 0, bytesRead2, "UTF-8"));
        }
    }

    @Test
    public void testMemoryBasedCacheWithEmptyData() throws IOException {
        byte[] data = new byte[0];
        ContentCache cache = new ContentCache(data);

        try (InputStream stream = cache.getInputStream()) {
            assertNotNull(stream);