ceph/src/boost/libs/smart_ptr/test/sp_interlocked_test.cpp

   1 //
   2 //  sp_interlocked_test.cpp
   3 //
   4 //  Copyright 2014 Peter Dimov
   5 //
   6 //  Distributed under the Boost Software License, Version 1.0.
   7 //  See accompanying file LICENSE_1_0.txt or copy at
   8 //  http://www.boost.org/LICENSE_1_0.txt
   9 //
  10
  11 #if defined( WIN32 ) || defined( _WIN32 ) || defined( __WIN32__ ) || defined( __CYGWIN__ )
  12
  13 #include <boost/smart_ptr/detail/sp_interlocked.hpp>
  14 #include <boost/detail/lightweight_test.hpp>
  15
  16 #ifndef __LP64__
  17
  18 typedef long long_type;
  19
  20 #else
  21
  22 // On Cygwin 64, long is 64 bit
  23 typedef int long_type;
  24
  25 #endif
  26
  27 int main()
  28 {
  29     long_type x = 0, r;
  30
  31     r = BOOST_SP_INTERLOCKED_INCREMENT( &x );
  32
  33     BOOST_TEST( x == 1 );
  34     BOOST_TEST( r == 1 );
  35
  36     r = BOOST_SP_INTERLOCKED_DECREMENT( &x );
  37
  38     BOOST_TEST( x == 0 );
  39     BOOST_TEST( r == 0 );
  40
  41     r = BOOST_SP_INTERLOCKED_EXCHANGE( &x, 3 );
  42
  43     BOOST_TEST( x == 3 );
  44     BOOST_TEST( r == 0 );
  45
  46     r = BOOST_SP_INTERLOCKED_EXCHANGE_ADD( &x, 2 );
  47
  48     BOOST_TEST( x == 5 );
  49     BOOST_TEST( r == 3 );
  50
  51     r = BOOST_SP_INTERLOCKED_COMPARE_EXCHANGE( &x, 0, 3 );
  52
  53     BOOST_TEST( x == 5 );
  54     BOOST_TEST( r == 5 );
  55
  56     r = BOOST_SP_INTERLOCKED_COMPARE_EXCHANGE( &x, 0, 5 );
  57
  58     BOOST_TEST( x == 0 );
  59     BOOST_TEST( r == 5 );
  60
  61     return boost::report_errors();
  62 }
  63
  64 #else
  65
  66 int main()
  67 {
  68     return 0;
  69 }
  70
  71 #endif