kc3-lang/gnulib/tests/test-oset-c++.cc

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• Hash : 7b089321
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  Date : 2025-01-01T09:24:36
  

  maint: run 'make update-copyright'
  

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• tests/test-oset-c++.cc

• /* Test of ordered set data type implementation as a C++ class.
     Copyright (C) 2020-2025 Free Software Foundation, Inc.
     Written by Bruno Haible <bruno@clisp.org>, 2020.
  
     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/>.  */
  
  #include <config.h>
  
  #include "gl_oset.hh"
  #include "gl_array_oset.h"
  
  #include <string.h>
  
  #include "macros.h"
  
  static int
  reverse_strcmp (const char *str1, const char *str2)
  {
    int cmp = strcmp (str1, str2);
    return (cmp > 0 ? -1 : cmp < 0 ? 1 : 0);
  }
  
  static void
  action (const char *str, int *data)
  {
    const_cast<char *> (str) [0] += *data;
  }
  
  static bool
  is_at_most (const char *str, const char *threshold)
  {
    return strcmp (str, threshold) <= 0;
  }
  
  int
  main (int argc, char *argv[])
  {
    char A[2] = "A";
    gl_OSet<const char *> set1;
  
    set1 = gl_OSet<const char *> (GL_ARRAY_OSET, reverse_strcmp, NULL);
    set1.add (A);
    set1.add ("C");
    set1.add ("D");
    set1.add ("C");
    ASSERT (set1.size () == 3);
  
    {
      gl_OSet<const char *>::iterator iter1 = set1.begin ();
      const char *elt;
      ASSERT (iter1.next (elt));
      ASSERT (strcmp (elt, "D") == 0);
      ASSERT (iter1.next (elt));
      ASSERT (strcmp (elt, "C") == 0);
      ASSERT (iter1.next (elt));
      ASSERT (strcmp (elt, "A") == 0);
      ASSERT (!iter1.next (elt));
    }
  
    int data = 'Z' - 'A';
    ASSERT (set1.update (A, action, &data) == 1);
  
    {
      gl_OSet<const char *>::iterator iter2 = set1.begin ();
      const char *elt;
      ASSERT (iter2.next (elt));
      ASSERT (strcmp (elt, "Z") == 0);
      ASSERT (iter2.next (elt));
      ASSERT (strcmp (elt, "D") == 0);
      ASSERT (iter2.next (elt));
      ASSERT (strcmp (elt, "C") == 0);
      ASSERT (!iter2.next (elt));
    }
  
    {
      gl_OSet<const char *>::iterator iter3 = set1.begin_atleast (is_at_most, "R");
      const char *elt;
      ASSERT (iter3.next (elt));
      ASSERT (strcmp (elt, "D") == 0);
      ASSERT (iter3.next (elt));
      ASSERT (strcmp (elt, "C") == 0);
      ASSERT (!iter3.next (elt));
    }
  
    set1.free ();
  
    return test_exit_status;
  }
  

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