public void ShouldConvertValuesToBigInteger()
{
byte[][] testBytes =
{
// Little endian
new byte[] { 127 },
new byte[] { 255 },
new byte[] {0xFF, 0xFF, 0x7F },
new byte[] {0xFF, 0xFF, 0xFF },
new byte[] {0xFF, 0xFF, 0xFF, 0x7F },
new byte[] {0xFF, 0xFF, 0xFF, 0xFF }
};
foreach (var bytes in testBytes)
{
Extreme.Mathematics.BigInteger value = new Extreme.Mathematics.BigInteger(bytes);
if (value.Sign < 0)
{
Assert.Throws <ArgumentException>(() => BigIntegerExtensions.ToUnsignedBigInteger(value));
}
else
{
Assert.AreEqual(value.ToString(), BigIntegerExtensions.ToUnsignedBigInteger(value).ToString());
}
}
}
public void ShouldConvertPreviouslyNegativeValueToBigInteger()
{
Extreme.Mathematics.BigInteger value = new Extreme.Mathematics.BigInteger(-12345);
value += 12345 * 2;
Assert.AreEqual(new BigInteger(12345), BigIntegerExtensions.ToUnsignedBigInteger(value));
}
