#include #include using criterion::logging::info; using criterion::logging::warn; using criterion::logging::error; Test(logging, stream) { info << "This is an informational message. They are not displayed " "by default." << std::endl; warn << "This is a warning. They indicate some possible malfunction " "or misconfiguration in the test." << std::endl; error << "This is an error. They indicate serious problems and " "are usually shown before the test is aborted." << std::endl; }