public void DecWithCaryTest()
{
var four = Dense.Dec(Five);
var three = Dense.Dec(four);
Assert.AreEqual("11", DumpNat(three));
}
public void DecrementOneTest()
{
var zero = Dense.Dec(One);
Assert.AreEqual("0", DumpNat(zero));
Assert.IsTrue(List <Dense.Digit> .IsEmpty(zero));
}
public void NegativeTest()
{
var exception = AssertThrows <ArgumentException>(() => Dense.Dec(Zero));
Assert.AreEqual("Can't go negative\r\nParameter name: ds", exception.Message);
}
public void DecTest()
{
var four = Dense.Dec(Five);
Assert.AreEqual("100", DumpNat(four));
}