#include <string> #include <iostream.h> template <class T> class StringTest { public: virtual void runTest(); void testFunction(); }; template <class T> void StringTest<T>:: runTest() { testFunction (); } template <class T> void StringTest <T>::testFunction() { // initialize s with string literal cout << "in StringTest" << endl; string s("I am a shot string"); cout << s << endl; // insert 'r' to fix "shot" s.insert(s.begin()+10,'r' ); cout << s << endl; // concatenate another string s += "and now a longer string"; cout << s << endl; // find position where blank needs to be inserted string::size_type spos = s.find("and"); s.insert(spos, " "); cout << s << endl; // erase the concatenated part s.erase(spos); cout << s << endl; } int main() { StringTest<wchar_t> ts; ts.runTest(); } /* output: I am a shot string I am a short string I am a short stringand now a longer string I am a short string and now a longer string I am a short string */