private void Calculate_button_Click(object sender, RoutedEventArgs e)
{
try
{
System.Globalization.CultureInfo customCulture = (System.Globalization.CultureInfo)System.Threading.Thread.CurrentThread.CurrentCulture.Clone();
customCulture.NumberFormat.NumberDecimalSeparator = ".";
System.Threading.Thread.CurrentThread.CurrentCulture = customCulture;
double result = 0.0;
var rpn = new ReversePolishNotation();
rpn.Parse(Expression_textBox.Text.Replace(',', '.'));
result = rpn.Evaluate();
var output = new StringBuilder();
output.AppendFormat("Original: {0}", rpn.OriginalExpression + Environment.NewLine);
output.AppendFormat("Transition: {0}", rpn.TransitionExpression + Environment.NewLine);
output.AppendFormat("Postfix: {0}", rpn.PostfixExpression + Environment.NewLine);
output.AppendFormat("Result: {0}", result);
Results_textBox.Text = output.ToString();
}
catch (Exception ex)
{
Results_textBox.Text = ex.Message;
}
}
public void TestMethod36()
{
var expression = "\"0E984725-C51C-4BF4-9960-E1C80E27ABA0\" as guid = \"0E984725-C51C-4BF4-9960-E1C80E27ABA0\" as guid";
var tokens = ReversePolishNotation.GetTokens(expression);
var t = ReversePolishNotation.Evaluate(tokens);
Assert.AreEqual(t, true);
}
public void TestMethod35()
{
var expression = "\"4 / 3 / 2007 2:23:57 AM\" as datetimeoffset = \"4 / 3 / 2007 2:23:57 AM\" as datetimeoffset'";
var tokens = ReversePolishNotation.GetTokens(expression);
var t = ReversePolishNotation.Evaluate(tokens);
Assert.AreEqual(t, true);
}
public void TestMethod30()
{
var expression = "\"12:12:12\" as timespan > \"12:12:10\" as timespan";
var tokens = ReversePolishNotation.GetTokens(expression);
var t = ReversePolishNotation.Evaluate(tokens);
Assert.AreEqual(t, true);
}
public void TestMethod22()
{
var expression = "11 + 10 > 12 and \"3.5\" as double > 0.5";
var tokens = ReversePolishNotation.GetTokens(expression);
var t = ReversePolishNotation.Evaluate(tokens);
Assert.AreEqual(t, true);
}
public void TestMethod17()
{
var expression = "( 5 + 2 ) * 3 + 2 * ( 1 + 3 ) = 29";
var tokens = ReversePolishNotation.GetTokens(expression);
var t = ReversePolishNotation.Evaluate(tokens);
Assert.AreEqual(t, true);
}
public void TestMethod12()
{
var expression = "(1 * (-3)) + (5 - 8) * 3 + 0/2 = -12";
var tokens = ReversePolishNotation.GetTokens(expression);
var t = ReversePolishNotation.Evaluate(tokens);
Assert.AreEqual(t, true);
}
public void TestMethod10()
{
var expression = "-1 - 4 as int = 0 as int - 5 as int";
var tokens = ReversePolishNotation.GetTokens(expression);
var t = ReversePolishNotation.Evaluate(tokens);
Assert.AreEqual(t, true);
}
public void TestMethod9()
{
var expression = "-3 + 5 = 2";
var tokens = ReversePolishNotation.GetTokens(expression);
var t = ReversePolishNotation.Evaluate(tokens);
Assert.AreEqual(t, true);
}
public void TestMethod7()
{
var expression = "1 + f = 3";
var tokens = ReversePolishNotation.GetTokens(expression);
var t = ReversePolishNotation.Evaluate(tokens, new Dictionary <string, object>()
{
{ "f", 2 },
});
Assert.AreEqual(t, true);
}
public void TestMethod129()
{
var expression = "\"12.12:12:12\" as timespan = f";
var tokens = ReversePolishNotation.GetTokens(expression);
var t = ReversePolishNotation.Evaluate(tokens, new Dictionary <string, object>()
{
{ "f", new TimeSpan(12, 12, 12, 12) }
});
Assert.AreEqual(t, true);
}
public void TestMethod23()
{
var expression = "f = z";
var tokens = ReversePolishNotation.GetTokens(expression);
var t = ReversePolishNotation.Evaluate(tokens, new Dictionary <string, object>()
{
{ "f", new byte[] { 1, 2 } },
{ "z", new byte[] { 1, 2 } }
});
Assert.AreEqual(t, true);
}
public void TestMethod26()
{
var expression = "f > z";
var tokens = ReversePolishNotation.GetTokens(expression);
var t = ReversePolishNotation.Evaluate(tokens, new Dictionary <string, object>()
{
{ "f", new DateTime(2, 1, 1) },
{ "z", new DateTime(1, 1, 1) }
});
Assert.AreEqual(t, true);
}
public static void Main(string[] args)
{
Thread.CurrentThread.CurrentCulture = CultureInfo.InvariantCulture;
double result = 0.0;
ReversePolishNotation rpn = new ReversePolishNotation();
// rpn.Parse("pow(2, 3.14) * (3 - (3 * sqrt(2) - 3.2) + 1.5*0.3)");
rpn.Parse("(3+5.3) * 2.7 - ln(22) / pow(2.2, -1.7)");
result = rpn.Evaluate();
Console.WriteLine("orig: {0}", rpn.OriginalExpression);
Console.WriteLine("tran: {0}", rpn.TransitionExpression);
Console.WriteLine("post: {0}", rpn.PostfixExpression);
Console.WriteLine("result: {0}", result);
}
static void Main(string[] args)
{
Console.Write("Enter an expression: ");
string expression = Console.ReadLine();
try
{
ReversePolishNotation rpn = new ReversePolishNotation();
rpn.Parse(expression);
Console.WriteLine("Result: {0}", rpn.Evaluate());
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
static void Main(string[] args)
{
while (true)
{
string input = PromptGetResponse(Messages.Prompt_EnterExpression);
if (input.ToLower() == QuitKeyword.ToLower())
{
break;
}
string postfix;
int result;
try
{
postfix = ShuntingYardAlgorithm.Convert(input);
}
catch (Exception)
{
DisplayMessage(Messages.ErrorMessage_PostfixParseFailed, isError: true);
continue;
}
try
{
result = ReversePolishNotation.Evaluate(postfix);
}
catch (Exception ex)
{
// special case in that it's very clear what the problem is
if (ex is DivideByZeroException)
{
DisplayMessage(Messages.ErrorMessage_EvaluationGeneratesDivideByZero, isError: true);
}
else
{
DisplayMessage(Messages.ErrorMessage_EvaluationFailed, isError: true);
}
continue;
}
DisplayMessage($"{Messages.Message_Result} {result}");
}
}
public void WhenEvaluate_InvalidExpression_ThrowsException(string input)
{
Assert.ThrowsException <FormatException>(() => ReversePolishNotation.Evaluate(input));
}
public void WhenEvaluate_ValidExpression_Returns_CorrectResult(string input, int expectedOutput)
{
int output = ReversePolishNotation.Evaluate(input);
Assert.AreEqual(expectedOutput, output);
}
