options/tests.cpp

#include "options.hpp"
#include <cassert>

int main()
{
    /* Skeleton.

    {
        std::array args{…};
        auto opts = options::parse(std::cbegin(args), std::cend(args));

        assert((opts == options::Dictionary{
            {options::operands, {…}},
            …
        }));
    }
    */

    /* Operands. */
    {
        std::array args{"all", "these", "are", "operands"};
        auto opts = options::parse(std::cbegin(args), std::cend(args));

        assert((opts == options::Dictionary{
            {options::operands, {
                "all", "these", "are", "operands"
            }}
        }));
    }

    /* Short Unix options. */
    {
        std::array args{"-a", "-b", "-c"};
        auto opts = options::parse(std::cbegin(args), std::cend(args));

        assert((opts == options::Dictionary{
            {options::operands, {}},
            {"a", {}},
            {"b", {}},
            {"c", {}}
        }));
    }

    /* Short Unix options with arguments. */
    {
        std::array args{"-v", "value", "not-a-value", "-w", "-v", "other"};
        auto opts = options::parse(std::cbegin(args), std::cend(args));

        assert((opts == options::Dictionary{
            {options::operands, {"not-a-value"}},
            {"v", {"value", "other"}},
            {"w", {}}
        }));
    }

    /* Short Unix options shorthand. */
    {
        std::array args{"-abcdef", "value", "not-a-value"};
        auto opts = options::parse(std::cbegin(args), std::cend(args));

        assert((opts == options::Dictionary{
            {options::operands, {"not-a-value"}},
            {"a", {}},
            {"b", {}},
            {"c", {}},
            {"d", {}},
            {"e", {}},
            {"f", {"value"}}
        }));
    }

    /* Long GNU options. */
    {
        std::array args{"--long", "--option"};
        auto opts = options::parse(std::cbegin(args), std::cend(args));

        assert((opts == options::Dictionary{
            {options::operands, {}},
            {"long", {}},
            {"option", {}}
        }));
    }

    /* Long GNU options with arguments. */
    {
        std::array args{"--value", "v", "--value", "-v", "value", "--value"};
        auto opts = options::parse(std::cbegin(args), std::cend(args));

        assert((opts == options::Dictionary{
            {options::operands, {}},
            {"v", {"value"}},
            {"value", {"v"}}
        }));
    }

    /* Single dash as option-argument. */
    {
        std::array args{"--output", "-", "--input", "-", "-"};
        auto opts = options::parse(std::cbegin(args), std::cend(args));

        assert((opts == options::Dictionary{
            {options::operands, {"-"}},
            {"output", {"-"}},
            {"input", {"-"}}
        }));
    }

    /* Long, short and shorthand options mixed. */
    {
        std::array args{"-abc", "content", "--long", "-short", "tree", "out"};
        auto opts = options::parse(std::cbegin(args), std::cend(args));

        assert((opts == options::Dictionary{
            {options::operands, {"out"}},
            {"a", {}},
            {"b", {}},
            {"c", {"content"}},
            {"long", {}},
            {"s", {}},
            {"h", {}},
            {"o", {}},
            {"r", {}},
            {"t", {"tree"}}
        }));
    }

    /* Operand separator. */
    {
        std::array args{"--option", "--", "--not-option"};
        auto opts = options::parse(std::cbegin(args), std::cend(args));

        assert((opts == options::Dictionary{
            {options::operands, {"--not-option"}},
            {"option", {}}
        }));
    }
}