ceph/src/boost/libs/describe/test/enum_from_string_test.cpp

   1 // Copyright 2021 Peter Dimov
   2 // Distributed under the Boost Software License, Version 1.0.
   3 // https://www.boost.org/LICENSE_1_0.txt
   4
   5 #include <boost/describe/enum_from_string.hpp>
   6 #include <boost/describe/enum.hpp>
   7 #include <boost/core/lightweight_test.hpp>
   8
   9 #if !defined(BOOST_DESCRIBE_CXX14)
  10
  11 #include <boost/config/pragma_message.hpp>
  12
  13 BOOST_PRAGMA_MESSAGE("Skipping test because C++14 is not available")
  14 int main() {}
  15
  16 #else
  17
  18 enum E1 { v101 = 101, v102 = 102 };
  19 BOOST_DESCRIBE_ENUM(E1, v101, v102)
  20
  21 enum class E2 { v201 = 201, v202 = 202 };
  22 BOOST_DESCRIBE_ENUM(E2, v201, v202)
  23
  24 BOOST_DEFINE_ENUM(E3, v301, v302);
  25 BOOST_DEFINE_ENUM_CLASS(E4, v401, v402)
  26
  27 int main()
  28 {
  29     using boost::describe::enum_from_string;
  30
  31     {
  32         E1 w{};
  33         BOOST_TEST( enum_from_string( "v101", w ) ) && BOOST_TEST_EQ( w, v101 );
  34         BOOST_TEST( enum_from_string( "v102", w ) ) && BOOST_TEST_EQ( w, v102 );
  35         BOOST_TEST_NOT( enum_from_string( "v103", w ) );
  36     }
  37
  38     {
  39         E2 w{};
  40         BOOST_TEST( enum_from_string( "v201", w ) ) && BOOST_TEST_EQ( (int)w, (int)E2::v201 );
  41         BOOST_TEST( enum_from_string( "v202", w ) ) && BOOST_TEST_EQ( (int)w, (int)E2::v202 );
  42         BOOST_TEST_NOT( enum_from_string( "v203", w ) );
  43     }
  44
  45     {
  46         E3 w{};
  47         BOOST_TEST( enum_from_string( "v301", w ) ) && BOOST_TEST_EQ( w, v301 );
  48         BOOST_TEST( enum_from_string( "v302", w ) ) && BOOST_TEST_EQ( w, v302 );
  49         BOOST_TEST_NOT( enum_from_string( "v303", w ) );
  50     }
  51
  52     {
  53         E4 w{};
  54         BOOST_TEST( enum_from_string( "v401", w ) ) && BOOST_TEST_EQ( (int)w, (int)E4::v401 );
  55         BOOST_TEST( enum_from_string( "v402", w ) ) && BOOST_TEST_EQ( (int)w, (int)E4::v402 );
  56         BOOST_TEST_NOT( enum_from_string( "v403", w ) );
  57     }
  58
  59     return boost::report_errors();
  60 }
  61
  62 #endif // !defined(BOOST_DESCRIBE_CXX14)