mirror of
https://git.proxmox.com/git/grub2
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106 lines
2.3 KiB
C++
106 lines
2.3 KiB
C++
/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2013 Free Software Foundation, Inc.
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*
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* GRUB is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GRUB is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdio.h>
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#include <string.h>
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#include <grub/test.h>
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#include <grub/misc.h>
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#include <grub/priority_queue.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <queue>
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using namespace std;
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static int
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compar (const void *a_, const void *b_)
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{
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int a = *(int *) a_;
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int b = *(int *) b_;
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if (a < b)
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return -1;
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if (a > b)
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return +1;
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return 0;
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}
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static void
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priority_queue_test (void)
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{
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priority_queue <int> pq;
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grub_priority_queue_t pq2;
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int counter;
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int s = 0;
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pq2 = grub_priority_queue_new (sizeof (int), compar);
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if (!pq2)
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{
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grub_test_assert (0,
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"priority queue: queue creating failed\n");
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return;
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}
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srand (1);
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for (counter = 0; counter < 1000000; counter++)
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{
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int op = rand () % 10;
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if (s && *(int *) grub_priority_queue_top (pq2) != pq.top ())
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{
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printf ("Error at %d\n", counter);
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grub_test_assert (0,
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"priority queue: error at %d\n", counter);
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return;
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}
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if (op < 3 && s)
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{
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grub_priority_queue_pop (pq2);
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pq.pop ();
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s--;
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}
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else
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{
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int v = rand ();
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pq.push (v);
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if (grub_priority_queue_push (pq2, &v) != 0)
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{
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grub_test_assert (0,
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"priority queue: push failed");
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return;
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}
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s++;
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}
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}
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while (s)
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{
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if (*(int *) grub_priority_queue_top (pq2) != pq.top ())
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{
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grub_test_assert (0,
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"priority queue: Error at the end. %d elements remaining.\n", s);
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return;
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}
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grub_priority_queue_pop (pq2);
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pq.pop ();
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s--;
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}
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printf ("priority_queue: passed successfully\n");
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}
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GRUB_UNIT_TEST ("priority_queue_unit_test", priority_queue_test);
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