public void TestMethod2()
{
AutoCheckout check = new AutoCheckout();
// buy three packs of toothpaste, special offer should be used
check.AddItem(1);
check.AddItem(1);
// buy 2.5kg Groud Beef
check.AddItem(2, 3.5);
check.AddItem(3, 3);
// buy two packs of coffee, special offer should be used
check.AddItem(4);
check.AddItem(4);
check.AddItem(4);
// buy 2.7kg Apples, if other iterm > 150 kr, special offers should be used
check.AddItem(5, 2.7);
check.AddItem(6, 8);
check.AddItem(8, 3);
double s = check.Sum();
double expectedS = 24.95 * 2 + 40 + 22.49 + 59 * 3.5 + 2.7 * 16.95
+ 3 * 11.95 + 11.95 * 8 + 9.32 * 3;
Assert.AreEqual(expectedS, s, 0.1);
}
public void TestMethod1()
{
AutoCheckout check = new AutoCheckout();
// buy three packs of toothpaste, special offer should be used
check.AddItem(1);
check.AddItem(1);
check.AddItem(1);
// buy two packs of coffee, special offer should be used
check.AddItem(4);
check.AddItem(4);
// buy 2.5kg Groud Beef
check.AddItem(7, 2.5);
// buy 2.7kg Apples, if other iterm > 150 kr, special offers should be used
check.AddItem(5, 2.7);
double s = check.Sum();
double expectedS = 24.95 * 2 + 40 + 93 * 2.5 + 2.7 * 16.95;
Assert.AreEqual(expectedS, s, 0.1);
}
public void TestMethod3()
{
// in this test case, total price witout apple is 149.7 < 150
// the price of apple should be original price : 32.95/kg
AutoCheckout check = new AutoCheckout();
check.AddItem(1);
check.AddItem(1);
check.AddItem(1);
check.AddItem(1);
check.AddItem(1);
check.AddItem(1);
check.AddItem(1);
check.AddItem(1);
check.AddItem(1);
check.AddItem(5, 2.5);
double s = check.Sum();
double expectedS = 24.95 * 6 + 2.5 * 32.95;
Assert.AreEqual(expectedS, s);
}