public void TestHasFollowersMethod() { var milkyWay = new MilkyWay(); Assert.IsFalse(milkyWay.HasFollowers()); var solarSystem = new SolarSystem(); milkyWay.Precedes(solarSystem); Assert.IsTrue(milkyWay.HasFollowers()); }
public void TestPrecederOfFollower() { // setup var milkyWay = new MilkyWay(); var solarSystem = new SolarSystem(); milkyWay.Precedes(solarSystem); var solarSystemPreceders = solarSystem.Preceders; var solarSystemHasPreceder = solarSystemPreceders.TryGetValue(typeof(MilkyWay), out var solarSystemPreceder); // assertions Assert.IsNotNull(solarSystemPreceders); Assert.IsTrue(solarSystemHasPreceder); Assert.AreSame(solarSystemPreceder, milkyWay); }
public void TestFollowerOfPreceder() { // setup var milkyWay = new MilkyWay(); var solarSystem = new SolarSystem(); milkyWay.Precedes(solarSystem); var milkyWayFollowers = milkyWay.Followers; var milkyWayHasFollower = milkyWayFollowers.TryGetValue(typeof(SolarSystem), out var milkyWayFollower); // assertions Assert.IsTrue(milkyWayHasFollower); Assert.IsNotNull(milkyWayFollowers); Assert.AreSame(milkyWayFollower, solarSystem); }
public void TestExceptionThrownWhenCallingRedundantFollowAfterPrecede() { var milkyWay = new MilkyWay(); var solarSystem = new SolarSystem(); milkyWay.Precedes(solarSystem); try { solarSystem.Follows(milkyWay); } catch (ArgumentException) { Assert.Pass(); } Assert.Fail("Expected ArgumentException (attempted to assign node relationship twice " + "-- redundant call to a.Follows(b) when already called b.Precedes(a))."); }
public void TestCount() { // test 0 nodes added Assert.AreEqual(this.nodeCollection.Count(), 0); // test 1 nodes added var lmc = new LMC(); this.nodeCollection.Add(lmc); Assert.AreEqual(this.nodeCollection.Count(), 1); // test 2 nodes added var milkyWay = new MilkyWay(); this.nodeCollection.Add(milkyWay); Assert.AreEqual(this.nodeCollection.Count(), 2); // adding a follower should not increase collection count var solarSystem = new SolarSystem(); milkyWay.Precedes(solarSystem); Assert.AreEqual(this.nodeCollection.Count(), 2); }