public void ComputeHash_ExceptionsTest()
{
byte[] goodBa = { 1, 2, 3 };
Sha512 sha = new Sha512();
Assert.Throws <ArgumentNullException>(() => sha.ComputeHash(null));
Assert.Throws <ArgumentNullException>(() => sha.ComputeHash(null, 0, 1));
Assert.Throws <IndexOutOfRangeException>(() => sha.ComputeHash(goodBa, 0, 5));
Assert.Throws <IndexOutOfRangeException>(() => sha.ComputeHash(goodBa, 10, 1));
sha.Dispose();
Assert.Throws <ObjectDisposedException>(() => sha.ComputeHash(goodBa));
Assert.Throws <ObjectDisposedException>(() => sha.ComputeHash(goodBa, 0, 2));
}