boost_1_45_0/libs/spirit/test/lex/regression002.cpp

//  Copyright (c) 2001-2010 Hartmut Kaiser
//  Copyright (c) 2009 Carl Barron
// 
//  Distributed under 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)

#include <boost/detail/lightweight_test.hpp>
#include <boost/spirit/include/lex_lexertl.hpp>
#include <iostream>
#include <algorithm>
#include "matlib.h"

void test_matrix(std::vector<std::vector<double> > const& x)
{
    BOOST_TEST(x.size() == 3);
    BOOST_TEST(x[0].size() == 2 && x[0][0] == 1 && x[0][1] == 2);
    BOOST_TEST(x[1].size() == 1 && x[1][0] == 3);
    BOOST_TEST(x[2].size() == 3 && x[2][0] == 4 && x[2][1] == 5 && x[2][2] == 6);
}

int main ()
{
    std::string input("[[1,2][3][4,5,6]]");

    std::vector<std::vector<double> > results;
    typedef std::string::iterator iter;
    typedef boost::spirit::lex::lexertl::actor_lexer<
        boost::spirit::lex::lexertl::token<iter> 
    > lexer_type;

    typedef matlib_tokens<lexer_type> matlib_type;
    matlib_type  matrix(results);
    iter first = input.begin();

    try {
        BOOST_TEST(boost::spirit::lex::tokenize(first, input.end(), matrix));
        test_matrix(results);
    }
    catch (std::runtime_error const& e) {
        std::cerr << "caught exception: " << e.what() << std::endl;
        BOOST_TEST(false);
    }
    return boost::report_errors();
}