public void Test_Guids_AreUnique() { int reps = 100; var guids = new List <string>(); for (int i = 0; i < reps; i++) { var plt = new ScottPlot.Plot(); guids.Add(plt.GetGuid()); } int uniqueGuids = guids.Distinct().Count(); Assert.AreEqual(reps, uniqueGuids); }