public void BuildWhenCalledOnRegisterOperandAndOperandIsPcBuilderCreatesRegisterOperand()
{
var builder = new RegisterOperandBuilder();
var token = new LabelToken { Content = "PC" };
var operand = builder.Build(token);
Assert.That(operand, Is.TypeOf(typeof(ProgramCounterOperand)));
}
public void BuildWhenCalledOnRegisterOperandBuilderThrowsForInvalidRegiterName()
{
var builder = new RegisterOperandBuilder();
var token = new LabelToken { Content = "AX" };
Assert.Throws<Exception>(() => builder.Build(token));
}
public void BuildWhenCalledOnRegisterOperandBuilderSetsRegisterValueToCorrespondingRegisterIdentifierForRegisterJ()
{
var builder = new RegisterOperandBuilder();
var token = new LabelToken { Content = "J" };
var operand = builder.Build(token);
Assert.That(operand.RegisterValue, Is.EqualTo((int)RegisterIdentifier.RegJ));
}
