ceph/src/boost/libs/spirit/test/karma/int3.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 //#define KARMA_FAIL_COMPILATION
   7
   8 #include <boost/config/warning_disable.hpp>
   9 #include <boost/detail/lightweight_test.hpp>
  10 #include <boost/lexical_cast.hpp>
  11 #include <boost/mpl/vector.hpp>
  12 #include <boost/mpl/for_each.hpp>
  13 #include <boost/mpl/if.hpp>
  14 #include <boost/mpl/bool.hpp>
  15
  16 #include <boost/spirit/include/phoenix_core.hpp>
  17 #include <boost/spirit/include/phoenix_operator.hpp>
  18 #include <boost/spirit/include/phoenix_statement.hpp>
  19
  20 #include <boost/spirit/include/karma_char.hpp>
  21 #include <boost/spirit/include/karma_numeric.hpp>
  22 #include <boost/spirit/include/karma_directive.hpp>
  23 #include <boost/spirit/include/karma_action.hpp>
  24 #include <boost/spirit/include/karma_phoenix_attributes.hpp>
  25
  26 #include <boost/limits.hpp>
  27 #include "test.hpp"
  28
  29 using namespace spirit_test;
  30
  31 ///////////////////////////////////////////////////////////////////////////////
  32 struct test_minmax
  33 {
  34     template <typename T>
  35     void operator()(T) const
  36     {
  37         using namespace boost::spirit;
  38         using namespace boost::phoenix;
  39
  40         T minval = (std::numeric_limits<T>::min)();
  41         T maxval = (std::numeric_limits<T>::max)();
  42
  43         std::string expected_minval = boost::lexical_cast<std::string>(minval);
  44         std::string expected_maxval = boost::lexical_cast<std::string>(maxval);
  45
  46         // create a correct generator type from the given integer type
  47         typedef typename
  48             boost::mpl::if_<
  49                 boost::mpl::bool_<std::numeric_limits<T>::is_signed>,
  50                 karma::int_generator<T>,
  51                 karma::uint_generator<T>
  52             >::type
  53         int_generator_type;
  54
  55         int_generator_type const gen = int_generator_type();
  56
  57         BOOST_TEST(test(expected_maxval, gen, maxval));
  58         BOOST_TEST(test(expected_minval, gen, minval));
  59         BOOST_TEST(test(expected_maxval, gen(maxval)));
  60         BOOST_TEST(test(expected_minval, gen(minval)));
  61         BOOST_TEST(test(expected_maxval, gen(maxval), maxval));
  62         BOOST_TEST(test(expected_minval, gen(minval), minval));
  63         BOOST_TEST(!test("", gen(maxval), maxval-1));
  64         BOOST_TEST(!test("", gen(minval), minval+1));
  65         BOOST_TEST(test(expected_maxval, lit(maxval)));
  66         BOOST_TEST(test(expected_minval, lit(minval)));
  67
  68         BOOST_TEST(test_delimited(expected_maxval + " ", gen, maxval, char(' ')));
  69         BOOST_TEST(test_delimited(expected_minval + " ", gen, minval, char(' ')));
  70         BOOST_TEST(test_delimited(expected_maxval + " ", gen(maxval), char(' ')));
  71         BOOST_TEST(test_delimited(expected_minval + " ", gen(minval), char(' ')));
  72         BOOST_TEST(test_delimited(expected_maxval + " ", gen(maxval), maxval, char(' ')));
  73         BOOST_TEST(test_delimited(expected_minval + " ", gen(minval), minval, char(' ')));
  74         BOOST_TEST(!test_delimited("", gen(maxval), maxval-1, char(' ')));
  75         BOOST_TEST(!test_delimited("", gen(minval), minval+1, char(' ')));
  76         BOOST_TEST(test_delimited(expected_maxval + " ", lit(maxval), char(' ')));
  77         BOOST_TEST(test_delimited(expected_minval + " ", lit(minval), char(' ')));
  78
  79     // action tests
  80         BOOST_TEST(test(expected_maxval, gen[_1 = val(maxval)]));
  81         BOOST_TEST(test(expected_minval, gen[_1 = val(minval)]));
  82
  83     // optional tests
  84         boost::optional<T> optmin, optmax(maxval);
  85
  86         BOOST_TEST(!test("", gen, optmin));
  87         BOOST_TEST(!test("", gen(minval), optmin));
  88
  89         optmin = minval;
  90         BOOST_TEST(test(expected_minval, gen, optmin));
  91         BOOST_TEST(test(expected_maxval, gen, optmax));
  92         BOOST_TEST(test(expected_minval, gen(minval), optmin));
  93         BOOST_TEST(test(expected_maxval, gen(maxval), optmax));
  94
  95 // we support Phoenix attributes only starting with V2.2
  96 #if SPIRIT_VERSION >= 0x2020
  97     // Phoenix expression tests (only supported while including
  98     // karma_phoenix_attributes.hpp
  99         namespace phoenix = boost::phoenix;
 100
 101         BOOST_TEST(test("1", gen, phoenix::val(1)));
 102
 103         T val = 1;
 104         BOOST_TEST(test("1", gen, phoenix::ref(val)));
 105         BOOST_TEST(test("2", gen, ++phoenix::ref(val)));
 106 #endif
 107     }
 108 };
 109
 110 ///////////////////////////////////////////////////////////////////////////////
 111 int
 112 main()
 113 {
 114     using namespace boost::spirit;
 115
 116 // test boundary values
 117     typedef boost::mpl::vector<
 118 #ifdef BOOST_HAS_LONG_LONG
 119         boost::long_long_type, boost::ulong_long_type,
 120 #endif
 121         short, unsigned short,
 122         int, unsigned int,
 123         long, unsigned long
 124     > integer_types;
 125     boost::mpl::for_each<integer_types>(test_minmax());
 126
 127     return boost::report_errors();
 128 }
 129