public void Operate_DoDefaultParameter_ReturnsZero()
{
//Arrange
SimpleOperation sp = new SimpleOperation();
int x = 3;
int a = 5;
int b = 7;
//Act
int result = sp.operate(x, a, b);
//Assert
Assert.AreEqual(0, result);
}
public void Operate_DoAdd_ReturnsSum()//naming convention - arrange,act,assert
{
//Arrange
SimpleOperation sp = new SimpleOperation();
int x = 1;
int a = 5;
int b = 7;
//Act
int result = sp.operate(x, a, b);
//Assert
Assert.AreEqual(12, result);
}
public void Operate_DoSubtract_ReturnsSubtraction()
{
//Arrange
SimpleOperation sp = new SimpleOperation();
int x = 2;
int a = 5;
int b = 7;
//Act
int result = sp.operate(x, a, b);
//Assert
Assert.AreEqual(-2, result);
}
