Function main

dlib/test/main.cpp:20–213

static logger dlog("test.main");

int main (int argc, char** argv)
{
    try
    {
        clp parser;

        parser.add_option("runall","Run all the tests that don't take any arguments.");
        parser.add_option("h","Displays this information.");
        parser.add_option("n","How many times to run the selected tests. The default is 1.",1);
        parser.add_option("d","log debugging statements to file debug.txt.");
        parser.add_option("l","Set the logging level (all, trace, debug, info, warn, error, or fatal), the default is all.",1);
        parser.add_option("a","Append debugging messages to debug.txt rather than clearing the file at program startup.");
        parser.add_option("q","Be quiet.  Don't print the testing progress or non-failure results to standard out.");

        unsigned long num = 1;

        // add the options for all the different tests
        for (auto& kv : testers())
        {
            tester& test = *kv.second;
            parser.add_option(test.cmd_line_switch(), test.description(), test.num_of_args());
            if (test.num_of_args()==0) 
                parser.add_option("no_"+test.cmd_line_switch(), "Don't run this option when using --runall.");
        }

        parser.parse(argc,argv);

        parser.check_option_arg_range("n",1,1000000000);
        const char* singles[] = {"d","l","a","n","h","runall","q"};
        parser.check_one_time_options(singles);
        const char* d_sub[] = {"l","a"};
        const char* l_args[] = {"all", "trace", "debug", "info", "warn", "error", "fatal"};
        parser.check_sub_options("d",d_sub);
        parser.check_option_arg_range("l",l_args);


        if (parser.option("n"))
        {
            num = string_cast<unsigned long>(parser.option("n").argument());
        }

        if (parser.option("q"))
        {
            be_verbose = false;
        }

        if (parser.option("h"))
        {
            cout << "Usage: test [options]\n";
            parser.print_options(cout);
            cout << "\n\n";
            return 0;
        }

        ofstream fout;
        if (parser.option("d"))
        {
            if (parser.option("a"))