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17bf75735c
Only tests IPv4 and IPv6 right now. Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>
81 lines
2.2 KiB
C
81 lines
2.2 KiB
C
/*
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* prefix2str() unit test
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* Copyright (C) 2019 David Lamparter
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* Portions:
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* Copyright (C) 2019 Cumulus Networks, Inc
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* Quentin Young
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; see the file COPYING; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <zebra.h>
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#include "lib/prefix.h"
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#include "tests/helpers/c/prng.h"
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int main(int argc, char **argv)
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{
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size_t i, j, k, l;
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struct in6_addr i6;
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char buf1[64], buf2[64], ntopbuf[64];
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struct prng *prng;
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struct prefix p = {};
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prng = prng_new(0);
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/* IPv4 */
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p.family = AF_INET;
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for (i = 0; i < 1000; i++) {
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p.u.prefix = prng_rand(prng);
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p.prefixlen = prng_rand(prng) >> 26;
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snprintf(buf1, sizeof(buf1), "%s/%d",
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inet_ntop(AF_INET, &p.u.prefix4, ntopbuf,
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sizeof(ntopbuf)),
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p.prefixlen);
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prefix2str(&p, buf2, sizeof(buf2));
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assert(!strcmp(buf1, buf2));
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fprintf(stdout, "%s\n", buf1);
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}
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/* IPv6 */
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p.family = AF_INET6;
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for (i = 0; i < 10000; i++) {
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uint16_t *i6w = (uint16_t *)&i6;
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for (j = 0; j < 8; j++)
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i6w[j] = prng_rand(prng);
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/* clear some words */
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l = prng_rand(prng) & 7;
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for (j = 0; j < l; j++) {
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uint32_t num = __builtin_ctz(prng_rand(prng));
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uint32_t where = prng_rand(prng) & 7;
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for (k = where; k < where + num && k < 8; k++)
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i6w[k] = 0;
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}
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p.prefixlen = prng_rand(prng) >> 24;
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memcpy(&p.u.prefix, &i6, sizeof(i6));
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snprintf(buf1, sizeof(buf1), "%s/%d",
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inet_ntop(AF_INET6, &p.u.prefix6, ntopbuf,
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sizeof(ntopbuf)),
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p.prefixlen);
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prefix2str(&p, buf2, sizeof(buf2));
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assert(!strcmp(buf1, buf2));
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fprintf(stdout, "%s\n", buf1);
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}
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return 0;
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}
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