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