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"));
}