From e2bbf175a2184bd76f6c54ccf8456babeb1a46fc Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Tue, 9 Apr 2024 15:16:35 +0200 Subject: Adding upstream version 9.1. Signed-off-by: Daniel Baumann --- tests/lib/test_ntop.c | 73 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 73 insertions(+) create mode 100644 tests/lib/test_ntop.c (limited to 'tests/lib/test_ntop.c') diff --git a/tests/lib/test_ntop.c b/tests/lib/test_ntop.c new file mode 100644 index 0000000..d357047 --- /dev/null +++ b/tests/lib/test_ntop.c @@ -0,0 +1,73 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * frr_inet_ntop() unit test + * Copyright (C) 2019 David Lamparter + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include + +#include "tests/helpers/c/prng.h" + +/* NB: libfrr is NOT linked for this unit test! */ + +#define INET_NTOP_NO_OVERRIDE +#include "lib/ntop.c" + +int main(int argc, char **argv) +{ + size_t i, j, k, l; + struct in_addr i4; + struct in6_addr i6, i6check; + char buf1[64], buf2[64]; + const char *rv; + struct prng *prng; + + prng = prng_new(0); + /* IPv4 */ + for (i = 0; i < 1000; i++) { + i4.s_addr = prng_rand(prng); + assert(frr_inet_ntop(AF_INET, &i4, buf1, sizeof(buf1))); + assert(inet_ntop(AF_INET, &i4, buf2, sizeof(buf2))); + assert(!strcmp(buf1, buf2)); + } + + /* check size limit */ + for (i = 0; i < sizeof(buf1); i++) { + memset(buf2, 0xcc, sizeof(buf2)); + rv = frr_inet_ntop(AF_INET, &i4, buf2, i); + if (i < strlen(buf1) + 1) + assert(!rv); + else + assert(rv && !strcmp(buf1, buf2)); + } + + /* IPv6 */ + for (i = 0; i < 10000; i++) { + uint16_t *i6w = (uint16_t *)&i6; + for (j = 0; j < 8; j++) + i6w[j] = prng_rand(prng); + + /* clear some words */ + l = prng_rand(prng) & 7; + for (j = 0; j < l; j++) { + uint32_t num = __builtin_ctz(prng_rand(prng)); + uint32_t where = prng_rand(prng) & 7; + + for (k = where; k < where + num && k < 8; k++) + i6w[k] = 0; + } + + assert(frr_inet_ntop(AF_INET6, &i6, buf1, sizeof(buf1))); + assert(inet_ntop(AF_INET6, &i6, buf2, sizeof(buf2))); + if (strcmp(buf1, buf2)) + printf("%-40s (FRR) != (SYS) %-40s\n", buf1, buf2); + + assert(inet_pton(AF_INET6, buf1, &i6check)); + assert(!memcmp(&i6, &i6check, sizeof(i6))); + } + return 0; +} -- cgit v1.2.3