public void Test_Buy1Candy_ExpectedChange15Pence()
{
//Arrange
VendingMachine vmInstance = new VendingMachine();
IVendingMachine vm = vmInstance;
//Act
ICoin c = new Coin(5.670m);
string msg = vm.InsertCoin(c);
Assert.AreEqual("0.25", msg);
msg = vm.InsertCoin(c);
Assert.AreEqual("0.50", msg);
msg = vm.InsertCoin(c);
Assert.AreEqual("0.75", msg);
msg = vm.Dispense(CommonUtility.productType.Candy);
//Assert
Assert.AreEqual("THANK YOU", msg);
msg = vm.ReturnCoins();
//Assert
Assert.AreEqual("Quarter Change: 0\r\nDime Change: 1\r\nNickel Change: 0\r\nCurrent Amount: 0.00\r\nINSERT COINS", msg);
}
public void Test_InsertExactColaCoin_OutOfStock()
{
//Arrange
VendingMachine vmInstance = new VendingMachine();
vmInstance.setColaStock(0);
IVendingMachine vm = vmInstance;
//Act
ICoin c = new Coin(5.670m);
string msg = vm.InsertCoin(c);
Assert.AreEqual("0.25", msg);
msg = vm.InsertCoin(c);
Assert.AreEqual("0.50", msg);
msg = vm.InsertCoin(c);
Assert.AreEqual("0.75", msg);
msg = vm.InsertCoin(c);
Assert.AreEqual("1.00", msg);
msg = vm.Dispense(CommonUtility.productType.Cola);
//Assert
Assert.AreEqual("SOLD OUT", msg);
}