kc3-lang/gnulib/tests/test-i-ring.c

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• Hash : 32a72f45
  Author :
  Date : 2023-01-01T01:14:21
  

  maint: run 'make update-copyright'
  

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• tests/test-i-ring.c

• /* Test the simple ring buffer.
     Copyright (C) 2006-2023 Free Software Foundation, Inc.
  
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation, either version 3 of the License, or
     (at your option) any later version.
  
     This program is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.
  
     You should have received a copy of the GNU General Public License
     along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  
  /* written by Jim Meyering */
  
  #include <config.h>
  
  #include "i-ring.h"
  
  #include "macros.h"
  
  int
  main (void)
  {
    int o;
    I_ring ir;
    i_ring_init (&ir, -1);
    o = i_ring_push (&ir, 1);
    ASSERT (o == -1);
    o = i_ring_push (&ir, 2);
    ASSERT (o == -1);
    o = i_ring_push (&ir, 3);
    ASSERT (o == -1);
    o = i_ring_push (&ir, 4);
    ASSERT (o == -1);
    o = i_ring_push (&ir, 5);
    ASSERT (o == 1);
    o = i_ring_push (&ir, 6);
    ASSERT (o == 2);
    o = i_ring_push (&ir, 7);
    ASSERT (o == 3);
  
    o = i_ring_pop (&ir);
    ASSERT (o == 7);
    o = i_ring_pop (&ir);
    ASSERT (o == 6);
    o = i_ring_pop (&ir);
    ASSERT (o == 5);
    o = i_ring_pop (&ir);
    ASSERT (o == 4);
    ASSERT (i_ring_empty (&ir));
  
    o = i_ring_push (&ir, 8);
    ASSERT (o == -1);
    o = i_ring_pop (&ir);
    ASSERT (o == 8);
    ASSERT (i_ring_empty (&ir));
  
    return 0;
  }
  

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