private void ExecutedRollCommand(object sender, ExecutedRoutedEventArgs e)
{
TextBlock target = e.Source as TextBlock;
if (target == null)
{
return;
}
DiceExpressionParserDetailed diceParser = new DiceExpressionParserDetailed(new StandardDiceRoller());
IComponent diceExpression = new Constant(0);
try
{
diceExpression = diceParser.ParseString(e.Parameter as string);
}
catch (ParseException)
{
MessageBox.Show("Could not parse the expression, please check your expression and try again", "Expression failure", MessageBoxButton.OK, MessageBoxImage.Error);
}
target.Text = $"Rolled {diceExpression.ToString()} for a result of {diceExpression.Calculate()}";
}
public void TestConstant()
{
IExpression e = new Constant(1.0);
Assert.AreEqual(1, e.Calculate());
}