public void RemoveLeftElementTest()
{
var bijective = new Bijective <string, int>();
try
{
bijective.RemoveLeftElement("A");
}
catch
{
Assert.Fail();
}
bijective["A"] = 10;
bijective["B"] = 20;
bijective.RemoveLeftElement("A");
Assert.IsFalse(bijective.LeftElementExists("A"));
Assert.IsFalse(bijective.RightElementExists(10));
var allLeftElementsList = new List <string>(bijective.GetAllLeftElements());
Assert.AreEqual(1, allLeftElementsList.Count);
Assert.IsTrue(allLeftElementsList.Contains("B"));
var allRightElementsList = new List <int>(bijective.GetAllRightElements());
Assert.AreEqual(1, allRightElementsList.Count);
Assert.IsTrue(allRightElementsList.Contains(20));
Assert.IsTrue(bijective.CanAddBijection("A", 10));
Assert.IsTrue(bijective.CanAddReverseBijection(10, "A"));
Tuple <string, int> bijection;
Assert.IsFalse(bijective.TryGetBijection("A", out bijection));
Assert.IsNull(bijection);
Tuple <int, string> reverseBijection;
Assert.IsFalse(bijective.TryGetReverseBijection(10, out reverseBijection));
Assert.IsNull(reverseBijection);
var allBijectionsList = new List <Tuple <string, int> >(bijective.GetAllBijections());
Assert.AreEqual(1, allBijectionsList.Count);
Assert.AreEqual("B", allBijectionsList[0].Item1);
Assert.AreEqual(20, allBijectionsList[0].Item2);
var allReverseBijectionsList = new List <Tuple <int, string> >(bijective.GetAllReverseBijections());
Assert.AreEqual(1, allReverseBijectionsList.Count);
Assert.AreEqual(20, allReverseBijectionsList[0].Item1);
Assert.AreEqual("B", allReverseBijectionsList[0].Item2);
}