public void TestIsSupersetOf() { var testSet = new ThreadSafeSet <string>(new HashSet <string>()); var bSet = new[] { "a", "b", "c" }; var dSet = new[] { "b", "c", "d" }; testSet.Add("a"); testSet.Add("b"); testSet.Add("c"); Assert.IsTrue(testSet.IsSupersetOf(bSet)); Assert.IsFalse(testSet.IsSupersetOf(dSet)); }