public void Bag_cannot_hold_same_bag_twice()
{
Bag container = new Bag("blue", "light");
Bag cargo = new Bag("red", "dark");
container.AddCargo(cargo, 1);
Assert.Throws <ArgumentException>(() => container.AddCargo(cargo, 1));
}
public void Bag_reports_whether_another_bag_can_go_in_it()
{
Bag container = new Bag("blue", "light");
Bag cargo = new Bag("red", "dark");
container.AddCargo(cargo, 1);
Assert.IsTrue(container.CanContain(new Bag("red", "dark")));
Assert.IsFalse(container.CanContain(new Bag("red", "light")));
}
public void Bag_reports_correct_transitive_content_count()
{
var cargo = new Bag("blue", "light");
var container1 = new Bag("red", "dark");
var container2 = new Bag("green", "forest");
var container3 = new Bag("yellow", "sunny");
container1.AddCargo(cargo, 2);
container2.AddCargo(cargo, 2);
container3.AddCargo(container1, 2);
Assert.AreEqual(6, container3.GetTransitiveContentCount());
}
public void Bag_equality_comparison_works()
{
var b1 = new Bag("blue", "light");
var b2 = new Bag("blue", "dark");
var b3 = new Bag("red", "light");
var b4 = new Bag("blue", "light");
b1.AddCargo(b4, 1);
Assert.AreEqual(b1, b4);
Assert.IsTrue(b1.Equals(b4));
Assert.IsFalse(b1.Equals(b2));
Assert.IsFalse(b1.Equals(b3));
}
