@Test
public void OnlyCoffee() {
Out.print("only coffee");
CentralPerk house = new HouseBlend();
Out.print(house.cost());
// assertThat(actual, matcher)
assertEquals(28.0, house.cost(), DELTA);
CentralPerk espresso = new Espresso();
assertEquals(32.0, espresso.cost(), DELTA);
}
@Test
public void withMilk() {
Out.print("only coffee");
CentralPerk house = new HouseBlend();
house = new Milk(house);
house = new Milk(house);
house = new Mocha(house);
assertEquals(28 + 5 + 5 + 7, house.cost(), DELTA);
}