...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
Set the argument string.
void arg( std::string const& s);
The argument string is available to suites and allows for customization of the test. Each suite defines its own syntax for the argument string. The same argument is passed to all suites.