public void CalculateFromReversePolishNotationTest2()
{
var expressionProcessor = new MathExpressionProcessor();
var calculator = new Calculator.Calculator(expressionProcessor);
var inputString = $"5{Dot}4 23{Dot}6 +";
var expectedOutput = 29;
var actualOutput = calculator.CalculateFromReversePolishNotation(inputString);
Assert.IsTrue(Math.Abs(expectedOutput - actualOutput) < Eps);
}
public void ReversePolishNotationTest3()
{
var expressionProcessor = new MathExpressionProcessor();
var mapper = new NotationMapper(expressionProcessor);
var inputString = $"( 5{Dot}3+2{Dot}7) *3{Dot}12";
var expectedOutput = $"5{Dot}3 2{Dot}7 + 3{Dot}12 *";
var actualOutput = mapper.ReversePolishNotation(inputString);
Assert.AreEqual(expectedOutput, actualOutput.Trim());
}
public void ReversePolishNotationTest2()
{
var expressionProcessor = new MathExpressionProcessor();
var mapper = new NotationMapper(expressionProcessor);
var inputString = "( 5+2) *3";
var expectedOutput = "5 2 + 3 *";
var actualOutput = mapper.ReversePolishNotation(inputString);
Assert.AreEqual(expectedOutput, actualOutput.Trim());
}
public void DoubleNotationTest1()
{
var expressionProcessor = new MathExpressionProcessor();
var calculator = new Calculator.Calculator(expressionProcessor);
var inputString = ".1";
var expectedOutput = 0.1;
var actualOutput = calculator.CalculateFromReversePolishNotation(inputString);
Assert.IsTrue(Math.Abs(expectedOutput - actualOutput) < Eps);
}
public void OpeningParenthesisMissTest2()
{
var expressionProcessor = new MathExpressionProcessor();
var mapper = new NotationMapper(expressionProcessor);
var inputString = ")( 5+2) *3";
try
{
mapper.ReversePolishNotation(inputString);
Assert.Fail("Must be exception!");
}
catch (ArgumentException) { }
}
public void UnknownCharacterTest1()
{
var expressionProcessor = new MathExpressionProcessor();
var mapper = new NotationMapper(expressionProcessor);
var inputString = "5^2";
try
{
mapper.ReversePolishNotation(inputString);
Assert.Fail("Must be exception!");
}
catch (ArgumentException) { }
}
public void OperatorsMistakeTest1()
{
var expressionProcessor = new MathExpressionProcessor();
var mapper = new NotationMapper(expressionProcessor);
var calculator = new Calculator.Calculator(expressionProcessor);
var inputString = "(( 5+2) *)3";
var reversePolishNotationString = mapper.ReversePolishNotation(inputString);
try
{
calculator.CalculateFromReversePolishNotation(reversePolishNotationString);
Assert.Fail("Must be exception!");
}
catch (ArgumentException) {}
}
