public virtual void testAddAll() { VString v = new VString(); v.Add("a"); v.Add("b"); v.Add("c"); v.Add("c"); string[] h = { "c", "b", "a", "d" }; v.unify(); Assert.AreEqual("a b c", StringUtil.setvString(v, " ", null, null), "a b c"); v.addAll(h); v.unify(); Assert.AreEqual("a b c d", StringUtil.setvString(v, " ", null, null), "a b c d"); }