public void testStrip() { string str = "123456"; string str2 = ""; StringTheory theory = new StringTheory("1 2 3\t 4\t\t\t\t\t\t5 6 "); theory.Strip(); Assert.True(str.Equals(theory.ToString()), "strip test 1 results don't match the comparison string!"); theory = new StringTheory("\t \t\t \t\t\t \t "); theory.Strip(); Assert.True(str2.Equals(theory.ToString()), "strip test 2 results don't match the comparison string!"); }