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/* Test of ordered set data type implementation as a C++ class.
Copyright (C) 2020-2021 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 0;
}
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