private void SolveExpression(object sender, RoutedEventArgs e)
{
string expression = ExpressionBox.Text.TrimEnd();
if (!string.IsNullOrEmpty(expression))
{
StringBuilder result = new StringBuilder();
try
{
result.Append(RomanExpressionSolver.Solve(expression));
ResultLabelText.FontSize = 70;
ResultLabelText.Background = (SolidColorBrush)(new BrushConverter().ConvertFrom("#8873CB"));
ResultLabelText.Foreground = (SolidColorBrush)(new BrushConverter().ConvertFrom("#250D71"));
}
catch (Exception ex)
{
result.Append(expression + " : " + ex.Message);
ResultLabelText.FontSize = 16;
ResultLabelText.Background = new SolidColorBrush(Colors.Red);
ResultLabelText.Foreground = new SolidColorBrush(Colors.White);
}
ExpressionBox.Text = "";
ResultLabelText.Text = result.ToString();
LastExpressionText.Text = $"Last expression: {expression}";
ExpressionBox.Focus();
}
}
public void Solve_ValidExpression_ReturnValue(string expression, string expected)
{
string result = RomanExpressionSolver.Solve(expression);
Assert.AreEqual(expected, result);
}