public void GetOperationElements_InvalidOperationString_ThrowsIncorrectOperationStringException()
{
var expressionTransformer = new ExpressionTransformer();
TestDelegate t = () => expressionTransformer.GetOperationElements("2!2");
Assert.Throws<IncorrectOperationStringException>(t);
}
public void SortElementsInOnpOrder_validOperationElements_ElementsInONPQueue(string expression, IEnumerable<string> expectedValues)
{
var algorithm = new OnpAlgorithm();
var expressionTransformer = new ExpressionTransformer();
var result = algorithm.SortElementsInOnpOrder(expressionTransformer.GetOperationElements(expression));
Assert.AreEqual(expectedValues, result.Select(r => r.Value));
}
public void GetOperationElements_ValidOperationString_ElementsInQueue()
{
var expressionTransformer = new ExpressionTransformer();
var expectation = new OperationElementsHelper
{
{ OperationElementType.Number,"3" },
{ OperationElementType.Operator, "+"},
{ OperationElementType.Number, "2"}
}.Cast<OperationElement>();
var result = expressionTransformer.GetOperationElements("3+2");
Assert.AreEqual(expectation.Select(r => r.ToTestValue()), result.Select(r => r.ToTestValue()));
}
public Calculator(ExpressionTransformer expressionTransformer, IOnpAlgorithm onpAlgorithm)
{
this.expressionTransformer = expressionTransformer;
this.onpAlgorithm = onpAlgorithm;
}