ceph/src/boost/libs/log/test/compile/util_unique_identifier.cpp

   1 /*
   2  *          Copyright Andrey Semashev 2007 - 2015.
   3  * Distributed under the Boost Software License, Version 1.0.
   4  *    (See accompanying file LICENSE_1_0.txt or copy at
   5  *          http://www.boost.org/LICENSE_1_0.txt)
   6  */
   7 /*!
   8  * \file   util_unique_identifier.cpp
   9  * \author Andrey Semashev
  10  * \date   24.01.2009
  11  *
  12  * \brief  This header contains tests for the unique identifier name generator.
  13  */
  14
  15 #include <boost/log/utility/unique_identifier_name.hpp>
  16
  17 // Some hints to avoid warnings about unused variables in this test
  18 #if defined(__GNUC__)
  19 #define BOOST_LOG_AUX_UNUSED_ATTR __attribute__((unused))
  20 #else
  21 #define BOOST_LOG_AUX_UNUSED_ATTR
  22 #endif
  23
  24 int main(int, char*[])
  25 {
  26     // Names with the same prefixes may coexist in different lines
  27     BOOST_LOG_AUX_UNUSED_ATTR int BOOST_LOG_UNIQUE_IDENTIFIER_NAME(var) = 0;
  28     BOOST_LOG_AUX_UNUSED_ATTR int BOOST_LOG_UNIQUE_IDENTIFIER_NAME(var) = 0;
  29
  30     // Names with different prefixes may coexist on the same line
  31     BOOST_LOG_AUX_UNUSED_ATTR int BOOST_LOG_UNIQUE_IDENTIFIER_NAME(var1) = 0; BOOST_LOG_AUX_UNUSED_ATTR int BOOST_LOG_UNIQUE_IDENTIFIER_NAME(var2) = 0;
  32
  33     return 0;
  34 }