@Test
public void readPushInteger256BitInt() throws DeserializationException {

    this.arrayBuilder = new ByteArrayBuilder()
            .setPrefix("050100000000000000feffffffffffffff00000000000000000000000000000000");
    readPushInteger();
    BigInteger uLong = new BigInteger("18446744073709551615");
    BigInteger val = uLong.multiply(uLong);
    assertThat(this.readResultInt, is(val));
}