iflytoplinuxsdk_ptdv1/demo/zclipp/test/joined_flags_test2.cpp

/*****************************************************************************
 *
 * CLIPP - command line interfaces for modern C++
 *
 * released under MIT license
 *
 * (c) 2017-2018 André Müller; foss@andremueller-online.de
 *
 *****************************************************************************/

#include "testing.h"


//-------------------------------------------------------------------
struct active {
    active() = default;
    active(bool a_, bool b_): a{a_}, b{b_} {}
    bool a = false, b = false;

    friend bool operator == (const active& x, const active& y) noexcept {
        return (x.a == y.a && x.b == y.b);
    }
};


//-------------------------------------------------------------------
static void
test(int lineNo,
     const std::initializer_list<const char*> args,
     const active& matches)
{
    using namespace clipp;
    active m;

    auto cli = joinable(
            option("-a").set(m.a),
            option("-b").set(m.b) );

    run_wrapped_variants({ __FILE__, lineNo }, args, cli,
              [&]{ m = active{}; },
              [&]{ return m == matches; });
}


//-------------------------------------------------------------------
int main()
{
    using std::string;

    try {
        test(__LINE__, {""}, active{});

        test(__LINE__, {"-a"},      active{1,0});
        test(__LINE__, {"-b"},      active{0,1});
        test(__LINE__, {"-a","-b"}, active{1,1});
        test(__LINE__, {"-b","-a"}, active{1,1});
        test(__LINE__, {"-ab"},     active{1,1});
        test(__LINE__, {"-ba"},     active{1,1});
        test(__LINE__, {"-a-b"},    active{1,1});
        test(__LINE__, {"-b-a"},    active{1,1});
        //fail cases
        test(__LINE__, {"--ab"}, active{});
        test(__LINE__, {"--ab"}, active{});
        test(__LINE__, {"bca"},  active{});
        test(__LINE__, {"bca-"}, active{});
        test(__LINE__, {"bc-a"}, active{});
    }
    catch(std::exception& e) {
        std::cerr << e.what() << std::endl;
        return 1;
    }
}