public void Test_GetDisplayStringExt() { GDMDate instance = new GDMDate(null); instance.SetJulian(20, 12, 1980); instance.YearBC = true; string result = instance.GetDisplayStringExt(DateFormat.dfYYYY_MM_DD, true, true); Assert.AreEqual("BC 1980.12.20 [J]", result); instance.Approximated = GDMApproximated.daEstimated; result = instance.GetDisplayStringExt(DateFormat.dfYYYY_MM_DD, true, true); Assert.AreEqual("~ BC 1980.12.20 [J]", result); }