public void testTabsToSpaces() { string str = " 123456 "; StringTheory theory = new StringTheory("\t123456\t"); theory.TabsToSpaces(5); Assert.True(str.Equals(theory.ToString()), "tabsToSpaces' result doesn't match the comparison string!"); str = "123456"; theory = new StringTheory("123456"); theory.TabsToSpaces(-1); Assert.True(str.Equals(theory.ToString()), "tabsToSpaces failed using a bogus quantity"); }