insert_at_test.cpp

来自「Boost provides free peer-reviewed portab」· C++ 代码 · 共 110 行

/*=============================================================================
    Copyright (c) 2003 Jonathan de Halleux ([e-mail])
    http://spirit.sourceforge.net/

    Use, modification and distribution is subject to the Boost Software
    License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
    http://www.boost.org/LICENSE_1_0.txt)
=============================================================================*/
///////////////////////////////////////////////////////////////////////////////
// Test suite for insert_at_actor
///////////////////////////////////////////////////////////////////////////////

#include "action_tests.hpp"
#include <map>
#include <cstring>
#include <iostream>
#include <boost/spirit/include/classic_spirit.hpp>
#include <boost/spirit/include/classic_insert_at_actor.hpp>

void insert_at_single_argument_test()
{
    using namespace BOOST_SPIRIT_CLASSIC_NS;

    const char* cp = "(one,0),(two,1),(three,2)";
    const char* cp_first = cp;
    const char* cp_last = cp + std::strlen(cp);
    const char* cp_i[] = {"one","two","three"};
    int i;
    typedef std::map<std::string,int> map_string_type;
    map_string_type c;
    map_string_type::const_iterator it_find;
    std::string str;

    scanner<char const*> scan( cp_first, cp_last );
    match<> hit;

    hit = list_p( 
            confix_p(
                '(',
                    (*alpha_p)[ assign(str)] 
                    >>ch_p(',') 
                    >> int_p[ insert_at_a(c,str)]
                    ,
                ')'
                )
         ,
        ch_p(',') 
        ).parse(scan);

    BOOST_CHECK(hit);
    BOOST_CHECK_EQUAL(scan.first, scan.last);
    BOOST_CHECK_EQUAL( c.size(), static_cast<map_string_type::size_type>(3));
    for (i=0;i<3;++i)
    {
        it_find = c.find(cp_i[i]);
        BOOST_CHECK( it_find != c.end() );
        BOOST_CHECK_EQUAL( i,it_find->second);
        BOOST_CHECK_EQUAL( cp_i[i],it_find->first);
    }
}

void insert_at_two_arguments_test()
{
    using namespace BOOST_SPIRIT_CLASSIC_NS;

    const char* cp = "(0,one),(1,two),(2,three)";
    const char* cp_first = cp;
    const char* cp_last = cp + std::strlen(cp);
    const char* cp_i[] = {"one","two","three"};
    int i;
    typedef std::map<int,std::string> map_string_type;
    map_string_type c;
    map_string_type::const_iterator it_find;
    std::string str;

    scanner<char const*> scan( cp_first, cp_last );
    match<> hit;

    hit = list_p( 
            confix_p(
                '(',
                    int_p[ assign(i)] 
                    >>ch_p(',') 
                    >> (*alpha_p)[ insert_at_a(c,i)]
                    ,
                ')'
                )
         ,
        ch_p(',') 
        ).parse(scan);

    BOOST_CHECK(hit);
    BOOST_CHECK_EQUAL(scan.first, scan.last);
    BOOST_CHECK_EQUAL( c.size(), static_cast<map_string_type::size_type>(3));
    for (i=0;i<3;++i)
    {
        it_find = c.find(i);
        BOOST_CHECK( it_find != c.end() );
        BOOST_CHECK_EQUAL( i,it_find->first);
        BOOST_CHECK_EQUAL( cp_i[i],it_find->second);
    }
}

void insert_at_action_test()
{
    insert_at_single_argument_test();
    insert_at_two_arguments_test();
}