Redirect both cout and stdout to a string in C++ for Unit Testing

Question

I\'m working on getting some legacy code under unit tests and sometimes the only way to sense an existing program behavior is from the console output.

I see lots of

Answer 1

Try sprintf, that's more efficient.

int i;
char str[] = "asdf";
char output[256];
sprintf(output, "asdfasdf %s %d\n", str, i);