String result = new String(buffer, 0, bytesRead, "UTF-8");
            assertEquals(testContent, result);
        }
    }

    @Test
    public void testMemoryBasedCacheMultipleReads() throws IOException {
        String testContent = "Hello, World!";
        byte[] data = testContent.getBytes("UTF-8");
        ContentCache cache = new ContentCache(data);

        // First read