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 void Iterator_DesignPatternTest()
{
//Arrange
int i;
double a = 5;
double b = 5;
double c = 144;
double d = 12;
double result1, result2, result3, result4, result5, result6;
//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);
result1 = calculator.TempOperations["Addition"].GetResult(calculator);
userInput = "subtraction";
invoker = new Invoker(userInput);
invoker.Subtraction.Execute(invoker, calculator);
calculator.TempOperations["Subtraction"].CreateCalculation(calculator, a, b);
result2 = calculator.TempOperations["Subtraction"].GetResult(calculator);
userInput = "multiplication";
invoker = new Invoker(userInput);
invoker.Multiplication.Execute(invoker, calculator);
calculator.TempOperations["Multiplication"].CreateCalculation(calculator, a, b);
result3 = calculator.TempOperations["Multiplication"].GetResult(calculator);
userInput = "division";
invoker = new Invoker(userInput);
invoker.Division.Execute(invoker, calculator);
calculator.TempOperations["Division"].CreateCalculation(calculator, a, b);
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);
result5 = calculator.TempOperations["Square Root"].GetResult(calculator);
userInput = "square";
invoker = new Invoker(userInput);
invoker.Square.Execute(invoker, calculator);
calculator.TempOperations["Square"].CreateCalculation(calculator, d);
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);
i = iterator.GetIndex();
result1 = calculator.CalculationHistory[i].Operation(calculator.CalculationHistory[i].A, calculator.CalculationHistory[i].B);
iterator.Next(calculator);
i = iterator.GetIndex();
result2 = calculator.CalculationHistory[i].Operation(calculator.CalculationHistory[i].A, calculator.CalculationHistory[i].B);
iterator.Next(calculator);
i = iterator.GetIndex();
result3 = calculator.CalculationHistory[i].Operation(calculator.CalculationHistory[i].A, calculator.CalculationHistory[i].B);
iterator.Next(calculator);
i = iterator.GetIndex();
result4 = calculator.CalculationHistory[i].Operation(calculator.CalculationHistory[i].A, calculator.CalculationHistory[i].B);
iterator.Next(calculator);
i = iterator.GetIndex();
result5 = calculator.CalculationHistory[i].Operation(calculator.CalculationHistory[i].A, calculator.CalculationHistory[i].B);
iterator.Last(calculator);
i = iterator.GetIndex();
result6 = calculator.CalculationHistory[i].Operation(calculator.CalculationHistory[i].A, calculator.CalculationHistory[i].B);
//Assert
Assert.AreEqual(10, result1);
Assert.AreEqual(0, result2);
Assert.AreEqual(25, result3);
Assert.AreEqual(1, result4);
Assert.AreEqual(12, result5);
Assert.AreEqual(144, result6);
}