/* * Ouroboros - Copyright (C) 2016 - 2017 * * Test of the bitmap * * Dimitri Staessens <dimitri.staessens@ugent.be> * Sander Vrijders <sander.vrijders@ugent.be> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * * 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, write to the Free Software * Foundation, Inc., http://www.fsf.org/about/contact/. */ #include "bitmap.c" #include <time.h> #include <stdlib.h> #include <stdio.h> #define BITMAP_SIZE 200 int bitmap_test(int argc, char ** argv) { struct bmp * bmp; ssize_t bits = BITMAP_SIZE; ssize_t id; int i; ssize_t r; ssize_t offset = 100; (void) argc; (void) argv; srand(time(NULL)); bmp = bmp_create(bits, offset); if (bmp == NULL) { printf("Failed to create bmp.\n"); return -1; } bmp_destroy(bmp); bmp = bmp_create(bits, offset); if (bmp == NULL) { printf("Failed to re-create bmp.\n"); return -1; } for (i = offset; i < BITMAP_SIZE + 5 + offset; i++) { id = bmp_allocate(bmp); if (!bmp_is_id_valid(bmp, id)) { if (i < BITMAP_SIZE + offset) { printf("Failed valid ID %d (%zd).\n", i, id); bmp_destroy(bmp); return -1; } if (id >= offset && id < bits + offset) { printf("Valid ID %zd returned invalid.\n", id); bmp_destroy(bmp); return -1; } continue; } if (!bmp_is_id_used(bmp, id)) { printf("ID not marked in use.\n"); bmp_destroy(bmp); return -1; } if (id != i) { printf("Wrong ID returned.\n"); bmp_destroy(bmp); return -1; } } for (i = 0; i < BITMAP_SIZE + 5; i++) { r = (ssize_t) (rand() % BITMAP_SIZE) + offset; if (bmp_release(bmp, r)) { printf("Failed to release ID.\n"); return -1; } id = bmp_allocate(bmp); if (!bmp_is_id_valid(bmp, id)) continue; if (id != r) { printf("Wrong prev ID returned.\n"); bmp_destroy(bmp); return -1; } } bmp_destroy(bmp); return 0; }