byte[] data = new byte[] { (byte) 0xFF };
        PacDataInputStream pdis = createInputStream(data);
        assertEquals(255, pdis.readUnsignedByte());
    }

    @Test
    public void testReadUnsignedShort() throws IOException {
        // Little-endian 0xFFFF -> 0xFF 0xFF
        byte[] data = new byte[] { (byte) 0xFF, (byte) 0xFF, 0x00, 0x00 };
        PacDataInputStream pdis = createInputStream(data);