public void Calculate_ValidOperationString_ReturnsAnswer2()
{
var calc = new Calculator();
var result = calc.Calculate("((2+7)/3+(14-3)*4)/2");
var expectation = 23.5;
Assert.AreEqual(expectation, result);
}
public void Calculate_ValidOperationString_ReturnsAnswer1()
{
var calc = new Calculator();
var result = calc.Calculate("3+2");
var expectation = 5;
Assert.AreEqual(expectation, result);
}
static void Main()
{
Calculator calc = new Calculator();
Console.WriteLine(calc.Calculate("((2+7)/3+(14-3)*4)/2"));
Console.WriteLine(calc.Calculate("((2+7)/3+(14-3)*4)"));
Console.ReadLine();
}
public void OperationToElements_validOperationString_ElementsInQueue()
{
var calc = new Calculator();
var result = calc.OperationToElements("3+2");
var expectation = new Queue<OperationElement>();
expectation.Enqueue(new OperationElement(OperationElementType.NUMBER,"3"));
expectation.Enqueue(new OperationElement(OperationElementType.OPERATOR, "+"));
expectation.Enqueue(new OperationElement(OperationElementType.NUMBER, "2"));
Assert.AreEqual(expectation.Select(r => r.ToTestValue()), result.Select(r => r.ToTestValue()));
}
public void OperationElementsToONP_validOperationElements_ElementsInONPQueue2()
{
var calc = new Calculator();
var operationElements = new Queue<OperationElement>();
operationElements = calc.OperationToElements("2+3*5");
var expectation = new Queue<OperationElement>();
expectation.Enqueue(new OperationElement(OperationElementType.NUMBER, "2"));
expectation.Enqueue(new OperationElement(OperationElementType.NUMBER, "3"));
expectation.Enqueue(new OperationElement(OperationElementType.NUMBER, "5"));
expectation.Enqueue(new OperationElement(OperationElementType.OPERATOR, "*"));
expectation.Enqueue(new OperationElement(OperationElementType.OPERATOR, "+"));
var result = calc.OperationElementsToONP(operationElements);
Assert.AreEqual(expectation.Select(r => r.ToTestValue()), result.Select(r => r.ToTestValue()));
}
public void OperationToElements_invalidOperationString_ThrowsIncorrectOperationStringException()
{
var calc = new Calculator();
Assert.Throws<IncorrectOperationStringException>(() => calc.OperationToElements("2!2"));
}
public void Calculate_EmptyString_ThrowsEmptyStringException()
{
var calc = new Calculator();
Assert.Throws<EmptyStringException>(() => calc.Calculate(""));
}