public void Run()
{
string expression;
ShowHelp();
while ((expression = AskForInput()) != "")
{
try
{
NotationConverter converter = new NotationConverter(expression);
converter.Convert();
calculator.Calculate(converter.PolishNotation);
ShowResult();
}
catch (InvalidExpressionException ex)
{
Console.WriteLine(ex.Message);
}
catch (DivideByZeroException ex)
{
Console.WriteLine(ex.Message);
}
}
}
private float GetExpressionResult(string infix)
{
NotationConverter converter = new NotationConverter(infix);
converter.Convert();
calc.Calculate(converter.PolishNotation);
return(calc.Result);
}
public void CorrectUnaryMinus()
{
NotationConverter converter = new NotationConverter("-4");
converter.Convert();
var result = converter.PolishNotation;
var expected = PushToStack(new string[] { "4", "_" });
CollectionAssert.AreEqual(result, expected);
}
public void CorrectDifferenceOf2Numbers()
{
NotationConverter converter = new NotationConverter("41-5");
converter.Convert();
var result = converter.PolishNotation;
var expected = PushToStack(new string[] { "41", "5", "-" });
CollectionAssert.AreEqual(result, expected);
}
public void CorrectDivisionOf2Numbers()
{
NotationConverter converter = new NotationConverter("4/31");
converter.Convert();
var result = converter.PolishNotation;
var expected = PushToStack(new string[] { "4", "31", "/" });
CollectionAssert.AreEqual(result, expected);
}
public void CorrectCommaProcessing()
{
NotationConverter converter = new NotationConverter("pow((3 ) ,(3))");
converter.Convert();
var result = converter.PolishNotation;
var expected = PushToStack(new string[] { "3", "3", "pow" });
CollectionAssert.AreEqual(result, expected);
}
public void CorrectSumOf2Digits()
{
NotationConverter converter = new NotationConverter("4+5");
converter.Convert();
var result = converter.PolishNotation;
var expected = PushToStack(new string[] { "4", "5", "+" });
CollectionAssert.AreEqual(result, expected);
}
public void CorrectWorkWithMultiplyFunctionsAndOperatorsInPow()
{
NotationConverter converter = new NotationConverter("pow(cos(1) + pow(2 + 3, 2), sin(5))");
converter.Convert();
var result = converter.PolishNotation;
var expected = PushToStack(new string[] { "1", "cos", "2", "3", "+", "2", "pow", "+", "5", "sin", "pow" });
CollectionAssert.AreEqual(result, expected);
}
public void CorrectWorkIfMultiplyFunctions()
{
NotationConverter converter = new NotationConverter("sin(pow(5, -cos(3)))");
converter.Convert();
var result = converter.PolishNotation;
var expected = PushToStack(new string[] { "5", "3", "cos", "_", "pow", "sin" });
CollectionAssert.AreEqual(result, expected);
}
public void CorrectWorkWithDifferentPriorities()
{
NotationConverter converter = new NotationConverter("-4+5*6+1/2*3+7");
converter.Convert();
var result = converter.PolishNotation;
var expected = PushToStack(new string[] { "4", "_", "5", "6", "*", "+", "1", "2", "/", "3", "*", "+", "7", "+" });
CollectionAssert.AreEqual(result, expected);
}
public void CorrectSumOfManyNumbers()
{
NotationConverter converter = new NotationConverter("4+5+6+1+2+3+7");
converter.Convert();
var result = converter.PolishNotation;
var expected = PushToStack(new string[] { "4", "5", "+", "6", "+", "1", "+", "2", "+", "3", "+", "7", "+" });
CollectionAssert.AreEqual(result, expected);
}
public void ThrowsExeptionIfIncorrectBracket2()
{
NotationConverter converter = new NotationConverter("()(");
converter.Convert();
}
