LCOV - code coverage report
Current view: top level - libavutil/tests - atomic.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 12 12 100.0 %
Date: 2017-10-18 21:45:51 Functions: 1 1 100.0 %

          Line data    Source code
       1             : /*
       2             :  * This file is part of FFmpeg.
       3             :  *
       4             :  * FFmpeg is free software; you can redistribute it and/or
       5             :  * modify it under the terms of the GNU Lesser General Public
       6             :  * License as published by the Free Software Foundation; either
       7             :  * version 2.1 of the License, or (at your option) any later version.
       8             :  *
       9             :  * FFmpeg is distributed in the hope that it will be useful,
      10             :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      11             :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      12             :  * Lesser General Public License for more details.
      13             :  *
      14             :  * You should have received a copy of the GNU Lesser General Public
      15             :  * License along with FFmpeg; if not, write to the Free Software
      16             :  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
      17             :  */
      18             : 
      19             : #include "libavutil/atomic.h"
      20             : #include "libavutil/avassert.h"
      21             : 
      22           1 : int main(void)
      23             : {
      24           1 :     volatile int val      = 1;
      25           1 :     void *tmp1            = (int *)&val;
      26           1 :     void * volatile *tmp2 = &tmp1;
      27             :     int res;
      28             : 
      29           1 :     res = avpriv_atomic_int_add_and_fetch(&val, 1);
      30           1 :     av_assert0(res == 2);
      31           1 :     avpriv_atomic_int_set(&val, 3);
      32           1 :     res = avpriv_atomic_int_get(&val);
      33           1 :     av_assert0(res == 3);
      34           1 :     avpriv_atomic_ptr_cas(tmp2, tmp1, &res);
      35           1 :     av_assert0(*tmp2 == &res);
      36             : 
      37           1 :     return 0;
      38             : }

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