public void addTwoNumbersTogether()
{
Operator testOperatorClass = new Operator();
testOperatorClass.Combine("12");
testOperatorClass.setOperatorFlag("Add");
testOperatorClass.Combine("2");
testOperatorClass.resultCalculation();
Assert.AreEqual("14",testOperatorClass.TextBoxCalculatedResult);
}
public void divideTwoNumbers()
{
Operator testOperatorClass = new Operator();
testOperatorClass.Combine("12");
testOperatorClass.setOperatorFlag("Divide");
testOperatorClass.Combine("2");
testOperatorClass.resultCalculation();
Assert.AreEqual("6", testOperatorClass.TextBoxCalculatedResult);
}
public void cantSetOperatorPriortoUserInput()
{
Operator testOperatorClass = new Operator();
testOperatorClass.setOperatorFlag("Multiply");
testOperatorClass.Combine("3");
testOperatorClass.setOperatorFlag("Add");
testOperatorClass.Combine("3");
testOperatorClass.resultCalculation();
Assert.AreEqual("6", testOperatorClass.TextBoxCalculatedResult);
}
private string ConcatenateUsingObject(string firstString, string secondString)
{
Operator testObject = new Operator();
testObject.Combine(firstString);
testObject.Combine(secondString);
return testObject.TextBoxUserInput;
}
public void WhenUsingResultValueShouldNotModifyUserInput()
{
Operator testOperatorClass = new Operator();
testOperatorClass.Combine("1");
testOperatorClass.setOperatorFlag("Add");
testOperatorClass.Combine("2");
testOperatorClass.resultCalculation();
testOperatorClass.Combine("3");
Assert.AreEqual("3", testOperatorClass.TextBoxUserInput);
}
public void WhenStartingWithResultShouldPerformNewOperation()
{
Operator testOperatorClass = new Operator();
testOperatorClass.Combine("3");
testOperatorClass.setOperatorFlag("Add");
testOperatorClass.Combine("2");
testOperatorClass.resultCalculation();
testOperatorClass.Combine("3");
testOperatorClass.setOperatorFlag("Add");
testOperatorClass.Combine("2");
testOperatorClass.resultCalculation();
Assert.AreEqual("5",testOperatorClass.TextBoxCalculatedResult);
}
public void WhenPressingBackspaceButtonRemovesText()
{
Operator testOperatorClass = new Operator();
testOperatorClass.Combine("154");
testOperatorClass.Remove();
Assert.AreEqual("15",testOperatorClass.TextBoxUserInput);
}
public void SubtractTwoNumbers()
{
Operator testOperatorClass = new Operator();
testOperatorClass.Combine("12");
testOperatorClass.setOperatorFlag("Subtract");
testOperatorClass.Combine("2");
testOperatorClass.resultCalculation();
Assert.AreEqual("10", testOperatorClass.TextBoxCalculatedResult);
}
public void ShouldPerformSubsequentOperation()
{
Operator testOperatorClass = new Operator();
testOperatorClass.Combine("12");
testOperatorClass.setOperatorFlag("Add");
testOperatorClass.Combine("2");
testOperatorClass.resultCalculation();
testOperatorClass.setOperatorFlag("Multiply");
testOperatorClass.Combine("2");
testOperatorClass.resultCalculation();
Assert.AreEqual("28",testOperatorClass.TextBoxCalculatedResult);
}
