public void EqualsEtClone() { Echange e1 = new Echange(new EpeeBois(), new PlastronCuire(), new BotteFer()); Echange e2 = e1.Clone(); Assert.IsTrue(e1.Equals(e2)); e1 = new Echange(null, null); Assert.IsFalse(e1.Equals(e2)); Assert.IsFalse(e1.Equals(null)); }