Function main

test/parser_action.cpp:81–227

BOOST_PARSER_DEFINE_RULES(str_rule_7);

int main()
{

// side_effects
{
    int i = 0;
    auto increment_i = [&i](auto & ctx) { ++i; };

    using no_attribute_return = decltype(parse("xyz", char_('a')[increment_i]));
    static_assert(std::is_same_v<no_attribute_return, bool>);

    {
        std::string const str = "xyz";
        BOOST_TEST(!parse(str, char_('a')[increment_i]));
        BOOST_TEST(i == 0);
        BOOST_TEST(!parse(str, char_('x')[increment_i]));
        BOOST_TEST(i == 1);
        auto first = str.c_str();
        BOOST_TEST(prefix_parse(
            first, boost::parser::detail::text::null_sentinel, char_('x')[increment_i]));
        BOOST_TEST(i == 2);
        BOOST_TEST(!parse(str, char_('a')[increment_i]));
        BOOST_TEST(i == 2);
        BOOST_TEST(!parse(str, char_('x')[increment_i]));
        BOOST_TEST(i == 3);
        first = str.c_str();
        BOOST_TEST(prefix_parse(
            first, boost::parser::detail::text::null_sentinel, char_('x')[increment_i]));
        BOOST_TEST(i == 4);
    }
}

// pass
{
    {
        std::string const str = "xyz";
        auto const result = parse(str, abc_def);
        BOOST_TEST(!result);
    }
    {
        std::string const str = "abc";
        auto const result = parse(str, abc_def);
        BOOST_TEST(result);
        BOOST_TEST(*result == "abc");
    }
    {
        std::string const str = "def";
        auto const result = parse(str, abc_def);
        BOOST_TEST(result);
        BOOST_TEST(*result == "def");
    }
    {
        std::string const str = "abc";
        auto const result = parse(str, fail_abc_pass_def);
        BOOST_TEST(!result);
    }
    {
        std::string const str = "def";