spirit/test/karma/pattern3.cpp
2018-10-01 02:16:04 +03:00

121 lines
3.4 KiB
C++

// Copyright (c) 2001-2011 Hartmut Kaiser
//
// 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/config/warning_disable.hpp>
#include <boost/detail/lightweight_test.hpp>
#include <boost/spirit/include/karma_operator.hpp>
#include <boost/spirit/include/karma_char.hpp>
#include <boost/spirit/include/karma_auxiliary.hpp>
#include <boost/spirit/include/karma_string.hpp>
#include <boost/spirit/include/karma_numeric.hpp>
#include <boost/spirit/include/karma_nonterminal.hpp>
#include <boost/spirit/include/karma_action.hpp>
#include <boost/spirit/include/phoenix_core.hpp>
#include <boost/spirit/include/phoenix_operator.hpp>
#include "test.hpp"
using namespace spirit_test;
///////////////////////////////////////////////////////////////////////////////
int main()
{
using namespace boost;
using namespace boost::spirit;
using namespace boost::spirit::ascii;
typedef spirit_test::output_iterator<char>::type outiter_type;
// basic tests
{
karma::rule<outiter_type> start;
start = char_[_1 = 'a'] << int_[_1 = 10] << double_[_1 = 12.4];
BOOST_TEST(test("a1012.4", start));
start = (char_ << int_ << double_)[_1 = 'a', _2 = 10, _3 = 12.4];
BOOST_TEST(test("a1012.4", start));
karma::rule<outiter_type> a, b, c;
a = char_[_1 = 'a'];
b = int_[_1 = 10];
c = double_[_1 = 12.4];
start = a << b << c;
BOOST_TEST(test("a1012.4", start));
}
// basic tests with delimiter
{
karma::rule<outiter_type, space_type> start;
start = char_[_1 = 'a'] << int_[_1 = 10] << double_[_1 = 12.4];
BOOST_TEST(test_delimited("a 10 12.4 ", start, space));
start = (char_ << int_ << double_)[_1 = 'a', _2 = 10, _3 = 12.4];
BOOST_TEST(test_delimited("a 10 12.4 ", start, space));
karma::rule<outiter_type, space_type> a, b, c;
a = char_[_1 = 'a'];
b = int_[_1 = 10];
c = double_[_1 = 12.4];
start = a << b << c;
BOOST_TEST(test_delimited("a 10 12.4 ", start, space));
}
// basic tests involving a direct parameter
{
typedef variant<char, int, double> var_type;
karma::rule<outiter_type, var_type()> start;
start = (char_ | int_ | double_)[_1 = _r0];
var_type v ('a');
BOOST_TEST(test("a", start, v));
v = 10;
BOOST_TEST(test("10", start, v));
v = 12.4;
BOOST_TEST(test("12.4", start, v));
}
{
typedef variant<char, int, double> var_type;
karma::rule<outiter_type, space_type, var_type()> start;
start = (char_ | int_ | double_)[_1 = _r0];
var_type v ('a');
BOOST_TEST(test_delimited("a ", start, v, space));
v = 10;
BOOST_TEST(test_delimited("10 ", start, v, space));
v = 12.4;
BOOST_TEST(test_delimited("12.4 ", start, v, space));
}
// test handling of single element fusion sequences
{
using boost::fusion::vector;
karma::rule<outiter_type, vector<int>()> r = int_;
vector<int> v(1);
BOOST_TEST(test("1", r, v));
}
{
using boost::fusion::vector;
karma::rule<outiter_type, space_type, vector<int>()> r = int_;
vector<int> v(1);
BOOST_TEST(test_delimited("1 ", r, v, space));
}
return boost::report_errors();
}