ceph/src/boost/libs/spirit/test/qi/regression_adapt_adt.cpp

   1 //  Copyright (c) 2011 Roji Philip
   2 //  Copyright (c) 2001-2011 Hartmut Kaiser
   3 //
   4 //  Distributed under the Boost Software License, Version 1.0. (See accompanying
   5 //  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   6
   7 #include <boost/config/warning_disable.hpp>
   8 #include <boost/detail/lightweight_test.hpp>
   9
  10 #include <boost/fusion/include/adapt_adt.hpp>
  11 #include <boost/optional.hpp>
  12
  13 #include <boost/spirit/include/qi.hpp>
  14 #include <boost/spirit/include/support_adapt_adt_attributes.hpp>
  15
  16 #include "test.hpp"
  17
  18 ///////////////////////////////////////////////////////////////////////////////
  19 struct test1
  20 {
  21     unsigned var;
  22     boost::optional<unsigned> opt;
  23
  24     unsigned& getvar() { return var; }
  25     unsigned const& getvar() const { return var; }
  26     void setvar(unsigned val) { var = val; }
  27
  28     boost::optional<unsigned>& getopt() { return opt; }
  29     boost::optional<unsigned> const& getopt() const { return opt; }
  30     void setopt(boost::optional<unsigned> const& val) { opt = val; }
  31 };
  32
  33 BOOST_FUSION_ADAPT_ADT(
  34     test1,
  35     (unsigned&, unsigned const&, obj.getvar(), obj.setvar(val))
  36     (boost::optional<unsigned>&, boost::optional<unsigned> const&,
  37         obj.getopt(), obj.setopt(val))
  38 )
  39
  40 ///////////////////////////////////////////////////////////////////////////////
  41 struct test2
  42 {
  43     std::string str;
  44     boost::optional<std::string> optstr;
  45
  46     std::string& getstring() { return str; }
  47     std::string const& getstring() const { return str; }
  48     void setstring(std::string const& val) { str = val; }
  49
  50     boost::optional<std::string>& getoptstring() { return optstr; }
  51     boost::optional<std::string> const& getoptstring() const { return optstr; }
  52     void setoptstring(boost::optional<std::string> const& val) { optstr = val; }
  53 };
  54
  55 BOOST_FUSION_ADAPT_ADT(
  56     test2,
  57     (std::string&, std::string const&, obj.getstring(), obj.setstring(val))
  58     (boost::optional<std::string>&, boost::optional<std::string> const&,
  59         obj.getoptstring(), obj.setoptstring(val))
  60 )
  61
  62 ///////////////////////////////////////////////////////////////////////////////
  63 int main()
  64 {
  65     using spirit_test::test_attr;
  66     namespace qi = boost::spirit::qi;
  67
  68     {
  69         test1 data;
  70         BOOST_TEST(test_attr("123@999", qi::uint_ >> -('@' >> qi::uint_), data) &&
  71             data.var == 123 && data.opt && data.opt.get() == 999);
  72     }
  73
  74     {
  75         test1 data;
  76         BOOST_TEST(test_attr("123", qi::uint_ >> -('@' >> qi::uint_), data) &&
  77             data.var == 123 && !data.opt);
  78     }
  79
  80     {
  81         test2 data;
  82         BOOST_TEST(test_attr("Hello:OptionalHello",
  83             +qi::alnum >> -(':' >> +qi::alnum), data) &&
  84             data.str == "Hello" &&
  85             data.optstr && data.optstr.get() == "OptionalHello");
  86     }
  87
  88     {
  89         test2 data;
  90         BOOST_TEST(test_attr("Hello",
  91             +qi::alnum >> -(':' >> +qi::alnum), data) &&
  92             data.str == "Hello" && !data.optstr);
  93     }
  94
  95     return boost::report_errors();
  96 }