public void Add_AddTwoNumbers_ShouldReturnSumOfTwoNumbers()
{
//Arrange
MainCalculator calculate = new MainCalculator();
//Act
int result = calculate.Add(5, 4);
//Assert
Assert.AreEqual(9, result); //(expected value, "Act" object/variable)
}
public void Add_AddTwoNumbers_ShouldReturnSumOfTwoNumbers()
{
//Arrange
//MainCalculator calculate = new MainCalculator(); lines 14 & 19 takes the place of this line
//Act
int result = calculate.Add(5, 4);
//Assert
Assert.That(result, Is.EqualTo(9)); //in NUnit, use .That("Act" object/variable, Is.EqualTo(expected result))
}