assertEquals("Byte at position " + i, i & 0xFF, byteValue);
            }
            assertEquals(-1, stream.read()); // End of stream
        }
    }

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