public void Pay_WhenTheObjectPassedIsNull_ShouldThrowNullReferenceException()
{
// Arrange
var someUnit = new Unit(1, "Mimi");
// Act&Assert
Assert.Throws<NullReferenceException>(() => someUnit.Pay(null));
}
public void Pay_ShouldDecreaseResourcesAmountOfTheOwnerByCostAmount()
{
// Arrange
var mimi = new Unit(1, "Mimi");
mimi.Resources.BronzeCoins = 25;
mimi.Resources.SilverCoins = 50;
mimi.Resources.GoldCoins = 100;
var cost = new Resources(5, 7, 60);
// Act
mimi.Pay(cost);
// Assert
Assert.AreEqual(20, mimi.Resources.BronzeCoins);
Assert.AreEqual(43, mimi.Resources.SilverCoins);
Assert.AreEqual(40, mimi.Resources.GoldCoins);
}
public void Pay_ShouldReturnResourceObjectWithTheAmountOfResourcesInTheCostObject()
{
// Arrange
var mimi = new Unit(1, "Mimi");
mimi.Resources.BronzeCoins = 25;
mimi.Resources.SilverCoins = 50;
mimi.Resources.GoldCoins = 100;
var cost = new Resources(5, 7, 60);
// Act
var returnObject = mimi.Pay(cost);
// Assert
Assert.IsInstanceOf<Resources>(returnObject);
Assert.AreEqual(cost.BronzeCoins, returnObject.BronzeCoins);
Assert.AreEqual(cost.SilverCoins, returnObject.SilverCoins);
Assert.AreEqual(cost.GoldCoins, returnObject.GoldCoins);
}