@Test
public void shouldReturn_225_whenListHasItem_A_A_A_A_B_B() {
HashMap<Item, Integer> items = new HashMap<>();
items.put(A, 4);
items.put(B, 2);
assertTrue(PriceCalculator.calculatePriceForItems(items) == 225);
}
@Test
public void shouldReturn_0_whenNoNormalPriceSpecified() {
PriceHolder.updatePrices(new HashMap<>(), getDiscountPrices());
HashMap<Item, Integer> items = new HashMap<>();
items.put(A, 1);
assertTrue(PriceCalculator.calculatePriceForItems(items) == 0);
}
@Test
public void shouldReturn_130_whenListHasItem_A_A_A() {
HashMap<Item, Integer> items = new HashMap<>();
items.put(A, 3);
assertTrue(PriceCalculator.calculatePriceForItems(items) == 130);
}
@Test
public void shouldReturn_0_whenNoItems() {
assertTrue(PriceCalculator.calculatePriceForItems(new HashMap<>()) == 0);
}
