ceph/src/boost/libs/spirit/test/karma/optional.cpp

   1 //  Copyright (c) 2001-2011 Hartmut Kaiser
   2 //
   3 //  Distributed under the Boost Software License, Version 1.0. (See accompanying
   4 //  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   5
   6 #include <boost/spirit/include/karma_optional.hpp>
   7
   8 #include <boost/spirit/include/karma_char.hpp>
   9 #include <boost/spirit/include/karma_int.hpp>
  10 #include <boost/spirit/include/karma_action.hpp>
  11 #include <boost/phoenix/core.hpp>
  12 #include <boost/phoenix/operator.hpp>
  13
  14 #include <iostream>
  15 #include "test.hpp"
  16
  17 int main()
  18 {
  19     using namespace spirit_test;
  20     using namespace boost::spirit;
  21     using namespace boost::spirit::ascii;
  22
  23     {
  24         boost::optional<int> opt;
  25         BOOST_TEST(test("", -int_, opt));
  26
  27         opt = 10;
  28         BOOST_TEST(test("10", -int_, opt));
  29     }
  30
  31     {
  32         int opt = 10;
  33         BOOST_TEST(test("10", -int_, opt));
  34     }
  35
  36     {
  37         boost::optional<int> opt;
  38         BOOST_TEST(test_delimited("", -int_, opt, space));
  39
  40         opt = 10;
  41         BOOST_TEST(test_delimited("10 ", -int_, opt, space));
  42     }
  43
  44     {
  45         int opt = 10;
  46         BOOST_TEST(test_delimited("10 ", -int_, opt, space));
  47     }
  48
  49     {   // test action
  50         using namespace boost::phoenix;
  51         namespace phoenix = boost::phoenix;
  52
  53         boost::optional<int> n ;
  54         BOOST_TEST(test("", (-int_)[_1 = phoenix::ref(n)]));
  55
  56         n = 1234;
  57         BOOST_TEST(test("1234", (-int_)[_1 = phoenix::ref(n)]));
  58     }
  59
  60     {   // test action
  61         using namespace boost::phoenix;
  62         namespace phoenix = boost::phoenix;
  63
  64         int n = 1234;
  65         BOOST_TEST(test("1234", (-int_)[_1 = phoenix::ref(n)]));
  66     }
  67
  68     {   // test action
  69         using namespace boost::phoenix;
  70         namespace phoenix = boost::phoenix;
  71
  72         boost::optional<int> n;
  73         BOOST_TEST(test_delimited("", (-int_)[_1 = phoenix::ref(n)], space));
  74
  75         n = 1234;
  76         BOOST_TEST(test_delimited("1234 ", (-int_)[_1 = phoenix::ref(n)], space));
  77     }
  78
  79     {   // test action
  80         using namespace boost::phoenix;
  81         namespace phoenix = boost::phoenix;
  82
  83         int n = 1234;
  84         BOOST_TEST(test_delimited("1234 ", (-int_)[_1 = phoenix::ref(n)], space));
  85     }
  86
  87     return boost::report_errors();
  88 }