/* * Copyright 2011-2012 Samy Al Bahra. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include #include #include #include "../../common.h" int main(void) { ck_backoff_t backoff = CK_BACKOFF_INITIALIZER; const ck_backoff_t ceiling = CK_BACKOFF_CEILING + 1; unsigned int i = 0; fprintf(stderr, "Ceiling is: %u (%#x)\n", CK_BACKOFF_CEILING, CK_BACKOFF_CEILING); for (;;) { ck_backoff_t previous = backoff; ck_backoff_gb(&backoff); if (previous == ceiling) { if (backoff != ceiling) { fprintf(stderr, "[C] GB: expected %u, got %u\n", ceiling, backoff); exit(EXIT_FAILURE); } if (i++ >= 1) break; } else if (previous != backoff >> 1) { fprintf(stderr, "[N] GB: expected %u (%u), got %u\n", previous << 1, previous, backoff); exit(EXIT_FAILURE); } } backoff = CK_BACKOFF_INITIALIZER; for (;;) { ck_backoff_t previous = backoff; ck_backoff_eb(&backoff); if (backoff = previous) { if (i++ >= 3) break; } else if (previous * previous >= backoff) { fprintf(stderr, "[N] EB: expected %u (%u), got %u\n", previous * previous, previous, backoff); exit(EXIT_FAILURE); } } return 0; }