public static NumberTerm MakeOperation(this NumberTerm firstNumber, NumberTerm secondNumber)
{
decimal result = 0;
switch (secondNumber.Sign)
{
case ArithmeticSign.Mul:
result = firstNumber.Digit * secondNumber.Digit;
break;
case ArithmeticSign.Del:
result = firstNumber.Digit / secondNumber.Digit;
break;
case ArithmeticSign.Sum:
result = firstNumber.Digit + secondNumber.Digit;
break;
case ArithmeticSign.Sub:
result = firstNumber.Digit - secondNumber.Digit;
break;
}
return(new NumberTerm(firstNumber.Sign, result));
}
public void CalculateInnerExpressionTest_CorrectCalculate(NumberTerm expectedResult, List <ITerm> innerExpression)
{
var actualResult = Calculate.CalculateInnerExpression(innerExpression);
Assert.AreEqual(expectedResult, actualResult, $"Incorrect inner expression calculation.");
}
private List <NestedExpression> GetReplacedCalculatedNestedExpressions(List <NestedExpression> nestedExpressions, int i, NumberTerm calculateInnerExpression)
{
int innerIndex = nestedExpressions[i].Index;
nestedExpressions[i - 1].Expression[innerIndex] = calculateInnerExpression;
nestedExpressions.RemoveAt(i);
return(nestedExpressions);
}
public void MakeOperationTest_CorrectCalculate(NumberTerm firstNumber, NumberTerm secondNumber, NumberTerm expectedResult)
{
NumberTerm actualResult = firstNumber.MakeOperation(secondNumber);
Assert.AreEqual(expectedResult, actualResult, $"Operation: {firstNumber}{secondNumber};");
}
