public void GetBytes_Returns_RightmostBytes()
{
/* The full number is 00000101 00001100 01000010 00100011
* but we are only getting bytes from 100 01000010 00100011
* That should be 4, 66, 35; reversed
*/
BinaryNumber binary = 84689443;
Assert.AreEqual(new byte[] { 35, 66, 4 }, binary.GetBytes(19));
}
public void GetBytes_Throws_With_Negative()
{
BinaryNumber binary = 84689443;
Assert.That(() => binary.GetBytes(-1), Throws.TypeOf <System.ArgumentOutOfRangeException>());
}
public void GetBytes_With_0_Returns_Empty()
{
BinaryNumber binary = 84689443;
Assert.IsEmpty(binary.GetBytes(0));
}
public void GetBytes_Returns_1ByteForEvery8Bits([Values(1, 9, 25, 57)] int significantBits, [Values(1, 2, 4, 8)] int numberOfBytes)
{
BinaryNumber binary = ulong.MaxValue;
Assert.AreEqual(numberOfBytes, binary.GetBytes(significantBits).Length);
}
public void GetBytes_Throws_With_GreaterThan64()
{
BinaryNumber binary = 84689443;
Assert.That(() => binary.GetBytes(65), Throws.TypeOf <System.ArgumentOutOfRangeException>());
}
