diff options
Diffstat (limited to 'string/test/strnlen.c')
| -rw-r--r-- | string/test/strnlen.c | 132 |
1 files changed, 74 insertions, 58 deletions
diff --git a/string/test/strnlen.c b/string/test/strnlen.c index db41f2a..0dea00e 100644 --- a/string/test/strnlen.c +++ b/string/test/strnlen.c @@ -1,93 +1,109 @@ /* * strnlen test. * - * Copyright (c) 2019, Arm Limited. + * Copyright (c) 2019-2020, Arm Limited. * SPDX-License-Identifier: MIT */ -#define _POSIX_C_SOURCE 200809L +#ifndef _GNU_SOURCE +#define _GNU_SOURCE +#endif #include <stdint.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <limits.h> +#include "mte.h" #include "stringlib.h" +#include "stringtest.h" + +#define F(x, mte) {#x, x, mte}, static const struct fun { - const char *name; - size_t (*fun)(const char *s, size_t m); + const char *name; + size_t (*fun) (const char *s, size_t m); + int test_mte; } funtab[] = { -#define F(x) {#x, x}, -F(strnlen) + // clang-format off + F(strnlen, 0) #if __aarch64__ -F(__strnlen_aarch64) + F(__strnlen_aarch64, 1) # if __ARM_FEATURE_SVE -F(__strnlen_aarch64_sve) + F(__strnlen_aarch64_sve, 1) # endif #endif -#undef F - {0, 0} + {0, 0, 0} + // clang-format on }; +#undef F -static int test_status; -#define ERR(...) (test_status=1, printf(__VA_ARGS__)) - -#define A 32 -#define SP 512 -#define LEN 250000 -static char sbuf[LEN+2*A]; +#define ALIGN 32 +#define LEN 512 +static char *sbuf; -static void *alignup(void *p) +static void * +alignup (void *p) { - return (void*)(((uintptr_t)p + A-1) & -A); + return (void *) (((uintptr_t) p + ALIGN - 1) & -ALIGN); } -static void test(const struct fun *fun, int align, int maxlen, int len) +static void +test (const struct fun *fun, int align, size_t maxlen, size_t len) { - char *src = alignup(sbuf); - char *s = src + align; - size_t r; - size_t e = maxlen < len ? maxlen : len - 1; + char *src = alignup (sbuf); + char *s = src + align; + size_t r; + size_t e = maxlen < len ? maxlen : len; + + if (err_count >= ERR_LIMIT) + return; + if (len > LEN || align >= ALIGN) + abort (); - if (len > LEN || align >= A) - abort(); + for (int i = 0; src + i < s; i++) + src[i] = 0; + for (int i = 1; i <= ALIGN; i++) + s[len + i] = (len + align) & 1 ? 1 : 0; + for (int i = 0; i < len; i++) + s[i] = 'a' + (i & 31); + s[len] = 0; + if ((len + align) & 1) + s[e + 1] = 0; - for (int i = 0; i < len + A; i++) - src[i] = '?'; - for (int i = 0; i < len - 2; i++) - s[i] = 'a' + i%23; - s[len - 1] = '\0'; + size_t mte_len = maxlen < len + 1 ? maxlen : len + 1; + s = tag_buffer (s, mte_len, fun->test_mte); + r = fun->fun (s, maxlen); + untag_buffer (s, mte_len, fun->test_mte); - r = fun->fun(s, maxlen); - if (r != e) { - ERR("%s(%p) returned %zu\n", fun->name, s, r); - ERR("input: %.*s\n", align+len+1, src); - ERR("expected: %d\n", len); - abort(); - } + if (r != e) + { + ERR ("%s (%p, %zu) len %zu returned %zu, expected %zu\n", + fun->name, s, maxlen, len, r, e); + quote ("input", s, len); + } } -int main() +int +main (void) { - int r = 0; - for (int i=0; funtab[i].name; i++) { - test_status = 0; - for (int a = 0; a < A; a++) { - int n; - for (n = 1; n < 100; n++) - for (int maxlen = 0; maxlen < 100; maxlen++) - test(funtab+i, a, maxlen, n); - for (; n < LEN; n *= 2) { - test(funtab+i, a, n*2, n); - test(funtab+i, a, n, n); - test(funtab+i, a, n/2, n); - } - } - printf("%s %s\n", test_status ? "FAIL" : "PASS", funtab[i].name); - if (test_status) - r = -1; - } - return r; + sbuf = mte_mmap (LEN + 3 * ALIGN); + int r = 0; + for (int i = 0; funtab[i].name; i++) + { + err_count = 0; + for (int a = 0; a < ALIGN; a++) + for (int n = 0; n < LEN; n++) + { + for (int maxlen = 0; maxlen < LEN; maxlen++) + test (funtab + i, a, maxlen, n); + test (funtab + i, a, SIZE_MAX - a, n); + } + char *pass = funtab[i].test_mte && mte_enabled () ? "MTE PASS" : "PASS"; + printf ("%s %s\n", err_count ? "FAIL" : pass, funtab[i].name); + if (err_count) + r = -1; + } + return r; } |