diff options
Diffstat (limited to 'contrib/netbsd-tests/lib/libc/string/t_memchr.c')
| -rw-r--r-- | contrib/netbsd-tests/lib/libc/string/t_memchr.c | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/contrib/netbsd-tests/lib/libc/string/t_memchr.c b/contrib/netbsd-tests/lib/libc/string/t_memchr.c new file mode 100644 index 0000000..296f1f8 --- /dev/null +++ b/contrib/netbsd-tests/lib/libc/string/t_memchr.c @@ -0,0 +1,194 @@ +/* $NetBSD: t_memchr.c,v 1.3 2012/04/06 07:53:10 jruoho Exp $ */ + +/* + * Written by J.T. Conklin <jtc@acorntoolworks.com> + * Public domain. + */ + +#include <atf-c.h> +#include <string.h> +#include <unistd.h> +#include <stdio.h> +#include <stdlib.h> + +ATF_TC(memchr_basic); +ATF_TC_HEAD(memchr_basic, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test memchr(3) results, #1"); +} + +ATF_TC_BODY(memchr_basic, tc) +{ + /* try to trick the compiler */ + void * (*f)(const void *, int, size_t) = memchr; + + unsigned int a, t; + void *off, *off2; + char buf[32]; + + struct tab { + const char *val; + size_t len; + char match; + ssize_t off; + }; + + const struct tab tab[] = { + { "", 0, 0, 0 }, + + { "/", 0, 0, 0 }, + { "/", 1, 1, 0 }, + { "/a", 2, 1, 0 }, + { "/ab", 3, 1, 0 }, + { "/abc", 4, 1, 0 }, + { "/abcd", 5, 1, 0 }, + { "/abcde", 6, 1, 0 }, + { "/abcdef", 7, 1, 0 }, + { "/abcdefg", 8, 1, 0 }, + + { "a/", 1, 0, 0 }, + { "a/", 2, 1, 1 }, + { "a/b", 3, 1, 1 }, + { "a/bc", 4, 1, 1 }, + { "a/bcd", 5, 1, 1 }, + { "a/bcde", 6, 1, 1 }, + { "a/bcdef", 7, 1, 1 }, + { "a/bcdefg", 8, 1, 1 }, + + { "ab/", 2, 0, 0 }, + { "ab/", 3, 1, 2 }, + { "ab/c", 4, 1, 2 }, + { "ab/cd", 5, 1, 2 }, + { "ab/cde", 6, 1, 2 }, + { "ab/cdef", 7, 1, 2 }, + { "ab/cdefg", 8, 1, 2 }, + + { "abc/", 3, 0, 0 }, + { "abc/", 4, 1, 3 }, + { "abc/d", 5, 1, 3 }, + { "abc/de", 6, 1, 3 }, + { "abc/def", 7, 1, 3 }, + { "abc/defg", 8, 1, 3 }, + + { "abcd/", 4, 0, 0 }, + { "abcd/", 5, 1, 4 }, + { "abcd/e", 6, 1, 4 }, + { "abcd/ef", 7, 1, 4 }, + { "abcd/efg", 8, 1, 4 }, + + { "abcde/", 5, 0, 0 }, + { "abcde/", 6, 1, 5 }, + { "abcde/f", 7, 1, 5 }, + { "abcde/fg", 8, 1, 5 }, + + { "abcdef/", 6, 0, 0 }, + { "abcdef/", 7, 1, 6 }, + { "abcdef/g", 8, 1, 6 }, + + { "abcdefg/", 7, 0, 0 }, + { "abcdefg/", 8, 1, 7 }, + + { "\xff\xff\xff\xff" "efg/", 8, 1, 7 }, + { "a" "\xff\xff\xff\xff" "fg/", 8, 1, 7 }, + { "ab" "\xff\xff\xff\xff" "g/", 8, 1, 7 }, + { "abc" "\xff\xff\xff\xff" "/", 8, 1, 7 }, + }; + + for (a = 1; a < 1 + sizeof(long); ++a) { + for (t = 0; t < (sizeof(tab) / sizeof(tab[0])); ++t) { + buf[a-1] = '/'; + strcpy(&buf[a], tab[t].val); + + off = f(&buf[a], '/', tab[t].len); + if (tab[t].match == 0) { + if (off != 0) { + fprintf(stderr, "a = %d, t = %d\n", + a, t); + atf_tc_fail("should not have found " + " char past len"); + } + } else if (tab[t].match == 1) { + if (tab[t].off != ((char*)off - &buf[a])) { + fprintf(stderr, "a = %d, t = %d\n", + a, t); + atf_tc_fail("char not found at " + "correct offset"); + } + } else { + fprintf(stderr, "a = %d, t = %d\n", a, t); + atf_tc_fail("Corrupt test case data"); + } + + /* check zero extension of char arg */ + off2 = f(&buf[a], 0xffffff00 | '/', tab[t].len); + if (off2 != off) + atf_tc_fail("zero extension of char arg " + "failed"); + } + } +} + +ATF_TC(memchr_simple); +ATF_TC_HEAD(memchr_simple, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test memchr(3) results, #2"); +} + +ATF_TC_BODY(memchr_simple, tc) +{ + char buf[] = "abcdefg"; + short i = 7; + + ATF_CHECK(memchr(buf, 'a', 0) == NULL); + ATF_CHECK(memchr(buf, 'g', 0) == NULL); + ATF_CHECK(memchr(buf, 'x', 7) == NULL); + + ATF_CHECK(memchr("\0", 'x', 0) == NULL); + ATF_CHECK(memchr("\0", 'x', 1) == NULL); + + while (i <= 14) { + + ATF_CHECK(memchr(buf, 'a', i) == buf + 0); + ATF_CHECK(memchr(buf, 'b', i) == buf + 1); + ATF_CHECK(memchr(buf, 'c', i) == buf + 2); + ATF_CHECK(memchr(buf, 'd', i) == buf + 3); + ATF_CHECK(memchr(buf, 'e', i) == buf + 4); + ATF_CHECK(memchr(buf, 'f', i) == buf + 5); + ATF_CHECK(memchr(buf, 'g', i) == buf + 6); + + i *= 2; + } +} + +ATF_TC(memrchr_simple); +ATF_TC_HEAD(memrchr_simple, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test memrchr(3) results"); +} + +ATF_TC_BODY(memrchr_simple, tc) +{ + char buf[] = "abcdabcd"; + + ATF_CHECK(memrchr(buf, 'a', 0) == NULL); + ATF_CHECK(memrchr(buf, 'g', 0) == NULL); + ATF_CHECK(memrchr(buf, 'x', 8) == NULL); + + ATF_CHECK(memrchr("\0", 'x', 0) == NULL); + ATF_CHECK(memrchr("\0", 'x', 1) == NULL); + + ATF_CHECK(memrchr(buf, 'a', 8) == buf + 4); + ATF_CHECK(memrchr(buf, 'b', 8) == buf + 5); + ATF_CHECK(memrchr(buf, 'c', 8) == buf + 6); + ATF_CHECK(memrchr(buf, 'd', 8) == buf + 7); +} + +ATF_TP_ADD_TCS(tp) +{ + + ATF_TP_ADD_TC(tp, memchr_basic); + ATF_TP_ADD_TC(tp, memchr_simple); + ATF_TP_ADD_TC(tp, memrchr_simple); + + return atf_no_error(); +} |
