public void SignlessExpressionTest()
{
DiceParser parser = Setup("1 2 3 4");
DiceParser.ExpressionContext context = parser.expression();
DiceVisitor visitor = new DiceVisitor();
ExpressionResult result = (ExpressionResult)visitor.VisitExpression(context);
result.Roll();
result.Value.Should().Be(10);
}
public void SimpleExpressionTest()
{
DiceParser parser = Setup("3d6");
DiceParser.ExpressionContext context = parser.expression();
DiceVisitor visitor = new DiceVisitor();
ExpressionResult result = (ExpressionResult)visitor.VisitExpression(context);
result.Roll();
result.Value.Should().BeGreaterOrEqualTo(3);
}
public void ComplexExpressionTest()
{
DiceParser parser = Setup("-100 + 0d100 + 2d6 + 100");
DiceParser.ExpressionContext context = parser.expression();
DiceVisitor visitor = new DiceVisitor();
ExpressionResult result = (ExpressionResult)visitor.VisitExpression(context);
result.Roll();
result.Value.Should().BeGreaterOrEqualTo(2);
result.Value.Should().BeLessOrEqualTo(12);
}
public override object VisitExpression([NotNull] DiceParser.ExpressionContext context)
{
Atom atom = (Atom)this.VisitSignedAtom(context.signedAtom());
ExpressionResult er;
if (context.expression() != null)
{
er = (ExpressionResult)this.VisitExpression(context.expression());
}
else
{
er = new ExpressionResult();
}
er.AddAtom(atom);
return(er);
}
