public void TestSommeCollection() { List <int> l1 = new List <int> { 1, 2, 3 }; List <int> l2 = new List <int> { 1, 1, 1 }; List <int> listPrevu = new List <int> { 2, 3, 4 }; List <int> listresultant = new List <int>(); FirstController cont = new FirstController(); listresultant = cont.SommeCollection(l1, l2); CollectionAssert.AreEqual(listPrevu, listresultant); }