public void State_DesignPatternTest()
{
//Arrange
double a = 5;
double b = 5;
double c = 144;
double d = 12;
double result1, result2, result3, result4, result5, result6;
String test1, test2;
//Act
ICalculatorComponent calculator = new Calculator();
String userInput = "addition";
Invoker invoker = new Invoker(userInput);
invoker.Addition.Execute(invoker, calculator);
calculator.TempOperations["Addition"].CreateCalculation(calculator, a, b);
calculator.UserOperations.Add("+");
calculator.CalculatorState.Add(new Context(new Unmodified()));
result1 = calculator.TempOperations["Addition"].GetResult(calculator);
userInput = "subtraction";
invoker = new Invoker(userInput);
invoker.Subtraction.Execute(invoker, calculator);
calculator.TempOperations["Subtraction"].CreateCalculation(calculator, a, b);
calculator.UserOperations.Add("-");
calculator.CalculatorState.Add(new Context(new Unmodified()));
result2 = calculator.TempOperations["Subtraction"].GetResult(calculator);
userInput = "multiplication";
invoker = new Invoker(userInput);
invoker.Multiplication.Execute(invoker, calculator);
calculator.TempOperations["Multiplication"].CreateCalculation(calculator, a, b);
calculator.UserOperations.Add("*");
calculator.CalculatorState.Add(new Context(new Unmodified()));
result3 = calculator.TempOperations["Multiplication"].GetResult(calculator);
userInput = "division";
invoker = new Invoker(userInput);
invoker.Division.Execute(invoker, calculator);
calculator.TempOperations["Division"].CreateCalculation(calculator, a, b);
calculator.UserOperations.Add("/");
calculator.CalculatorState.Add(new Context(new Unmodified()));
result4 = calculator.TempOperations["Division"].GetResult(calculator);
userInput = "square root";
invoker = new Invoker(userInput);
invoker.SquareRoot.Execute(invoker, calculator);
calculator.TempOperations["Square Root"].CreateCalculation(calculator, c);
calculator.UserOperations.Add("SQUARE ROOT OF");
calculator.CalculatorState.Add(new Context(new Unmodified()));
result5 = calculator.TempOperations["Square Root"].GetResult(calculator);
userInput = "square";
invoker = new Invoker(userInput);
invoker.Square.Execute(invoker, calculator);
calculator.TempOperations["Square"].CreateCalculation(calculator, d);
calculator.UserOperations.Add("SQUARE OF");
calculator.CalculatorState.Add(new Context(new Unmodified()));
result6 = calculator.TempOperations["Square"].GetResult(calculator);
Collection collection = new Collection();
foreach (Calculation _calculation in calculator.CalculationHistory)
{
collection.CalculationHistory.Add(_calculation);
}
Iterator.Iterator iterator = collection.CreateIterator();
iterator.First(calculator);
// State will test for both "Unmodified" and "Modified" states of a calculation.
test1 = calculator.CalculatorState[iterator.GetIndex()].State.GetType().Name;
CalculationManipulation manipulator = new CalculationManipulation();
Calculation oldCalculation = iterator.CurrentCalculation(calculator);
Calculation newCalculation = manipulator._edit.TwoVariables(oldCalculation, 99, 1, "addition");
iterator.SetTwoVariableCalculation(calculator, newCalculation, "+");
iterator.CurrentCalculation(calculator).Operation(iterator.CurrentCalculation(calculator).A, iterator.CurrentCalculation(calculator).B);
test2 = calculator.CalculatorState[iterator.GetIndex()].State.GetType().Name;
//Assert
Assert.AreEqual("Unmodified", test1);
Assert.AreEqual("Modified", test2);
}
public static void Activate(ICalculatorComponent calculator, String userInput)
{
Collection collection = new Collection();
foreach (Calculation _calculation in calculator.CalculationHistory)
{
collection.CalculationHistory.Add(_calculation);
}
Iterator.Iterator iterator = collection.CreateIterator();
// | 1 | View Calculation History (Format: Entire List)
while (userInput.Equals("1"))
{
Prompts.ShowHistory();
iterator.ShowAll(calculator);
Prompts.Back();
String enter = Console.ReadLine();
userInput = "pass";
}
// | 2 | View Calculation History (Format: One By One)
while (userInput.Equals("2"))
{
String enter = "";
Prompts.IteratorTitle();
iterator.First(calculator);
while (enter != "EXIT")
{
Prompts.IteratorOptions();
enter = Console.ReadLine();
while (enter.Equals("NEXT"))
{
iterator.Next(calculator);
enter = "pass";
}
while (enter.Equals("PREVIOUS"))
{
iterator.Previous(calculator);
enter = "pass";
}
while (enter.Equals("FIRST"))
{
iterator.First(calculator);
enter = "pass";
}
while (enter.Equals("LAST"))
{
iterator.Last(calculator);
enter = "pass";
}
while (enter.Equals("CHANGE"))
{
Prompts.ShowEdit();
Receiver.DisplayOperations(calculator, "");
string operation = Console.ReadLine();
CalculationManipulation manipulator = new CalculationManipulation();
Calculation oldCalculation = iterator.CurrentCalculation(calculator);
manipulator.EditCalculation(operation, oldCalculation, calculator, iterator);
iterator.Current(calculator);
WriteToConsole.Write("");
Prompts.Changed();
string temp = Console.ReadLine();
enter = "EXIT";
}
while (enter.Equals("REMOVE"))
{
CalculationManipulation manipulator = new CalculationManipulation();
manipulator.RemoveCalculation(calculator, iterator.GetIndex());
enter = "pass";
Prompts.Removed();
string temp = Console.ReadLine();
enter = "EXIT";
}
while ((!enter.Equals("NEXT")) && (!enter.Equals("PREVIOUS")) && (!enter.Equals("FIRST")) && (!enter.Equals("LAST") && (!enter.Equals("CHANGE") && (!enter.Equals("REMOVE")) && (!enter.Equals("pass")) && (!enter.Equals("EXIT")))))
{
Prompts.Enter();
string temp = Console.ReadLine();
enter = "pass";
}
}
userInput = "pass";
}
// | 5 | Check State Of All Calculations
while (userInput.Equals("5"))
{
Prompts.StateTitle();
iterator.ShowState(calculator);
Prompts.StateOptions();
String enter = Console.ReadLine();
userInput = "pass";
}
}
