diff options
Diffstat (limited to 'test/string')
| -rw-r--r-- | test/string/string.c | 603 |
1 files changed, 486 insertions, 117 deletions
diff --git a/test/string/string.c b/test/string/string.c index 2f281e18c..c83f9f863 100644 --- a/test/string/string.c +++ b/test/string/string.c @@ -1,25 +1,31 @@ /* Tester for string functions. - Copyright (C) 1995, 1996, 1997, 1998, 1999 Free Software Foundation, Inc. + Copyright (C) 1995-2000, 2001 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public License as - published by the Free Software Foundation; either version 2 of the - License, or (at your option) any later version. + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Library General Public License for more details. + Lesser General Public License for more details. - You should have received a copy of the GNU Library General Public - License along with the GNU C Library; see the file COPYING.LIB. If not, - write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#ifndef _GNU_SOURCE +#define _GNU_SOURCE +#endif /* Make sure we don't test the optimized inline functions if we want to test the real implementation. */ +#if !defined DO_STRING_INLINES #undef __USE_STRING_INLINES +#endif #include <errno.h> #include <stdio.h> @@ -39,7 +45,7 @@ const char *it = "<UNSET>"; /* Routine name for message routines. */ size_t errors = 0; /* Complain if condition is not true. */ -void +static void check (int thing, int number) { if (!thing) @@ -50,17 +56,17 @@ check (int thing, int number) } /* Complain if first two args don't strcmp as equal. */ -void +static void equal (const char *a, const char *b, int number) { - check(a != NULL && b != NULL && (strcmp(a, b)==0), number); + check(a != NULL && b != NULL && STREQ (a, b), number); } char one[50]; char two[50]; char *cp; -void +static void test_strcmp (void) { it = "strcmp"; @@ -110,7 +116,19 @@ test_strcmp (void) } } -void +#define SIMPLE_COPY(fn, n, str, ntest) \ + do { \ + int __n; \ + char *cp; \ + for (__n = 0; __n < (int) sizeof (one); ++__n) \ + one[__n] = 'Z'; \ + fn (one, str); \ + for (cp = one, __n = 0; __n < n; ++__n, ++cp) \ + check (*cp == '0' + (n % 10), ntest); \ + check (*cp == '\0', ntest); \ + } while (0) + +static void test_strcpy (void) { int i; @@ -137,38 +155,124 @@ test_strcpy (void) (void) strcpy (two, one + i); /* Unaligned source. */ equal (two, "hi there", 9 + (i * 2)); } + + SIMPLE_COPY(strcpy, 0, "", 41); + SIMPLE_COPY(strcpy, 1, "1", 42); + SIMPLE_COPY(strcpy, 2, "22", 43); + SIMPLE_COPY(strcpy, 3, "333", 44); + SIMPLE_COPY(strcpy, 4, "4444", 45); + SIMPLE_COPY(strcpy, 5, "55555", 46); + SIMPLE_COPY(strcpy, 6, "666666", 47); + SIMPLE_COPY(strcpy, 7, "7777777", 48); + SIMPLE_COPY(strcpy, 8, "88888888", 49); + SIMPLE_COPY(strcpy, 9, "999999999", 50); + SIMPLE_COPY(strcpy, 10, "0000000000", 51); + SIMPLE_COPY(strcpy, 11, "11111111111", 52); + SIMPLE_COPY(strcpy, 12, "222222222222", 53); + SIMPLE_COPY(strcpy, 13, "3333333333333", 54); + SIMPLE_COPY(strcpy, 14, "44444444444444", 55); + SIMPLE_COPY(strcpy, 15, "555555555555555", 56); + SIMPLE_COPY(strcpy, 16, "6666666666666666", 57); } -void +static void test_stpcpy (void) { - int i; it = "stpcpy"; - check (stpcpy (one, "abcd") == one+4, 1); /* Returned value. */ - equal (one, "abcd", 2); /* Basic test. */ - - (void) stpcpy (one, "x"); - equal (one, "x", 3); /* Writeover. */ - equal (one+2, "cd", 4); /* Wrote too much? */ - - (void) stpcpy (two, "hi there"); - (void) stpcpy (one, two); - equal (one, "hi there", 5); /* Basic test encore. */ - equal (two, "hi there", 6); /* Stomped on source? */ - - (void) stpcpy (one, ""); - equal (one, "", 7); /* Boundary condition. */ + check ((stpcpy (one, "a") - one) == 1, 1); + equal (one, "a", 2); + + check ((stpcpy (one, "ab") - one) == 2, 3); + equal (one, "ab", 4); + + check ((stpcpy (one, "abc") - one) == 3, 5); + equal (one, "abc", 6); + + check ((stpcpy (one, "abcd") - one) == 4, 7); + equal (one, "abcd", 8); + + check ((stpcpy (one, "abcde") - one) == 5, 9); + equal (one, "abcde", 10); + + check ((stpcpy (one, "abcdef") - one) == 6, 11); + equal (one, "abcdef", 12); + + check ((stpcpy (one, "abcdefg") - one) == 7, 13); + equal (one, "abcdefg", 14); + + check ((stpcpy (one, "abcdefgh") - one) == 8, 15); + equal (one, "abcdefgh", 16); + + check ((stpcpy (one, "abcdefghi") - one) == 9, 17); + equal (one, "abcdefghi", 18); + + check ((stpcpy (one, "x") - one) == 1, 19); + equal (one, "x", 20); /* Writeover. */ + equal (one+2, "cdefghi", 21); /* Wrote too much? */ + + check ((stpcpy (one, "xx") - one) == 2, 22); + equal (one, "xx", 23); /* Writeover. */ + equal (one+3, "defghi", 24); /* Wrote too much? */ + + check ((stpcpy (one, "xxx") - one) == 3, 25); + equal (one, "xxx", 26); /* Writeover. */ + equal (one+4, "efghi", 27); /* Wrote too much? */ + + check ((stpcpy (one, "xxxx") - one) == 4, 28); + equal (one, "xxxx", 29); /* Writeover. */ + equal (one+5, "fghi", 30); /* Wrote too much? */ + + check ((stpcpy (one, "xxxxx") - one) == 5, 31); + equal (one, "xxxxx", 32); /* Writeover. */ + equal (one+6, "ghi", 33); /* Wrote too much? */ + + check ((stpcpy (one, "xxxxxx") - one) == 6, 34); + equal (one, "xxxxxx", 35); /* Writeover. */ + equal (one+7, "hi", 36); /* Wrote too much? */ + + check ((stpcpy (one, "xxxxxxx") - one) == 7, 37); + equal (one, "xxxxxxx", 38); /* Writeover. */ + equal (one+8, "i", 39); /* Wrote too much? */ + + check ((stpcpy (stpcpy (stpcpy (one, "a"), "b"), "c") - one) == 3, 40); + equal (one, "abc", 41); + equal (one + 4, "xxx", 42); + + SIMPLE_COPY(stpcpy, 0, "", 43); + SIMPLE_COPY(stpcpy, 1, "1", 44); + SIMPLE_COPY(stpcpy, 2, "22", 45); + SIMPLE_COPY(stpcpy, 3, "333", 46); + SIMPLE_COPY(stpcpy, 4, "4444", 47); + SIMPLE_COPY(stpcpy, 5, "55555", 48); + SIMPLE_COPY(stpcpy, 6, "666666", 49); + SIMPLE_COPY(stpcpy, 7, "7777777", 50); + SIMPLE_COPY(stpcpy, 8, "88888888", 51); + SIMPLE_COPY(stpcpy, 9, "999999999", 52); + SIMPLE_COPY(stpcpy, 10, "0000000000", 53); + SIMPLE_COPY(stpcpy, 11, "11111111111", 54); + SIMPLE_COPY(stpcpy, 12, "222222222222", 55); + SIMPLE_COPY(stpcpy, 13, "3333333333333", 56); + SIMPLE_COPY(stpcpy, 14, "44444444444444", 57); + SIMPLE_COPY(stpcpy, 15, "555555555555555", 58); + SIMPLE_COPY(stpcpy, 16, "6666666666666666", 59); +} - for (i = 0; i < 16; i++) - { - (void) stpcpy (one + i, "hi there"); /* Unaligned destination. */ - equal (one + i, "hi there", 8 + (i * 2)); - (void) stpcpy (two, one + i); /* Unaligned source. */ - equal (two, "hi there", 9 + (i * 2)); - } +static void +test_stpncpy (void) +{ + it = "stpncpy"; + memset (one, 'x', sizeof (one)); + check (stpncpy (one, "abc", 2) == one + 2, 1); + check (stpncpy (one, "abc", 3) == one + 3, 2); + check (stpncpy (one, "abc", 4) == one + 3, 3); + check (one[3] == '\0' && one[4] == 'x', 4); + check (stpncpy (one, "abcd", 5) == one + 4, 5); + check (one[4] == '\0' && one[5] == 'x', 6); + check (stpncpy (one, "abcd", 6) == one + 4, 7); + check (one[4] == '\0' && one[5] == '\0' && one[6] == 'x', 8); } -void +static void test_strcat (void) { it = "strcat"; @@ -198,7 +302,7 @@ test_strcat (void) equal (one, "cd", 9); } -void +static void test_strncat (void) { /* First test it as strcat, with big counts, then test the count @@ -240,7 +344,7 @@ test_strncat (void) equal (one, "abcdgh", 12); /* Count and length equal. */ } -void +static void test_strncmp (void) { /* First test as strcmp with big counts, then test count code. */ @@ -260,7 +364,7 @@ test_strncmp (void) check (strncmp ("abc", "def", 0) == 0, 13); /* Zero count. */ } -void +static void test_strncpy (void) { /* Testing is a bit different because of odd semantics. */ @@ -302,7 +406,7 @@ test_strncpy (void) equal (one, "hi there", 15); /* Stomped on source? */ } -void +static void test_strlen (void) { it = "strlen"; @@ -323,7 +427,7 @@ test_strlen (void) } } -void +static void test_strchr (void) { it = "strchr"; @@ -352,7 +456,70 @@ test_strchr (void) } } -void +#if 0 +static void +test_strchrnul (void) +{ + const char *os; + it = "strchrnul"; + cp = strchrnul ((os = "abcd"), 'z'); + check (*cp == '\0', 1); /* Not found. */ + check (cp == os + 4, 2); + (void) strcpy (one, "abcd"); + check (strchrnul (one, 'c') == one+2, 3); /* Basic test. */ + check (strchrnul (one, 'd') == one+3, 4); /* End of string. */ + check (strchrnul (one, 'a') == one, 5); /* Beginning. */ + check (strchrnul (one, '\0') == one+4, 6); /* Finding NUL. */ + (void) strcpy (one, "ababa"); + check (strchrnul (one, 'b') == one+1, 7); /* Finding first. */ + (void) strcpy (one, ""); + check (strchrnul (one, 'b') == one, 8); /* Empty string. */ + check (strchrnul (one, '\0') == one, 9); /* NUL in empty string. */ + { + char buf[4096]; + int i; + char *p; + for (i=0; i < 0x100; i++) + { + p = (char *) ((unsigned long int) (buf + 0xff) & ~0xff) + i; + strcpy (p, "OK"); + strcpy (p+3, "BAD/WRONG"); + cp = strchrnul (p, '/'); + check (*cp == '\0', 9+2*i); + check (cp == p+2, 10+2*i); + } + } +} + +static void +test_rawmemchr (void) +{ + it = "rawmemchr"; + (void) strcpy (one, "abcd"); + check (rawmemchr (one, 'c') == one+2, 1); /* Basic test. */ + check (rawmemchr (one, 'd') == one+3, 2); /* End of string. */ + check (rawmemchr (one, 'a') == one, 3); /* Beginning. */ + check (rawmemchr (one, '\0') == one+4, 4); /* Finding NUL. */ + (void) strcpy (one, "ababa"); + check (rawmemchr (one, 'b') == one+1, 5); /* Finding first. */ + (void) strcpy (one, ""); + check (rawmemchr (one, '\0') == one, 6); /* NUL in empty string. */ + { + char buf[4096]; + int i; + char *p; + for (i=0; i < 0x100; i++) + { + p = (char *) ((unsigned long int) (buf + 0xff) & ~0xff) + i; + strcpy (p, "OK"); + strcpy (p+3, "BAD/WRONG"); + check (rawmemchr (p, 'R') == p+8, 6+i); + } + } +} +#endif + +static void test_index (void) { it = "index"; @@ -369,7 +536,7 @@ test_index (void) check (index (one, '\0') == one, 8); /* NUL in empty string. */ } -void +static void test_strrchr (void) { it = "strrchr"; @@ -398,7 +565,53 @@ test_strrchr (void) } } -void +static void +test_memrchr (void) +{ + size_t l; + it = "memrchr"; + check (memrchr ("abcd", 'z', 5) == NULL, 1); /* Not found. */ + (void) strcpy (one, "abcd"); + l = strlen (one) + 1; + check (memrchr (one, 'c', l) == one+2, 2); /* Basic test. */ + check (memrchr (one, 'd', l) == one+3, 3); /* End of string. */ + check (memrchr (one, 'a', l) == one, 4); /* Beginning. */ + check (memrchr (one, '\0', l) == one+4, 5); /* Finding NUL. */ + (void) strcpy (one, "ababa"); + l = strlen (one) + 1; + check (memrchr (one, 'b', l) == one+3, 6); /* Finding last. */ + (void) strcpy (one, ""); + l = strlen (one) + 1; + check (memrchr (one, 'b', l) == NULL, 7); /* Empty string. */ + check (memrchr (one, '\0', l) == one, 8); /* NUL in empty string. */ + + /* now test all possible alignment and length combinations to catch + bugs due to unrolled loops (assuming unrolling is limited to no + more than 128 byte chunks: */ + { + char buf[128 + sizeof(long)]; + long align, len, i, pos; + + for (align = 0; align < (long) sizeof(long); ++align) { + for (len = 0; len < (long) (sizeof(buf) - align); ++len) { + for (i = 0; i < len; ++i) + buf[align + i] = 'x'; /* don't depend on memset... */ + + for (pos = len - 1; pos >= 0; --pos) { +#if 0 + printf("align %d, len %d, pos %d\n", align, len, pos); +#endif + check(memrchr(buf + align, 'x', len) == buf + align + pos, 9); + check(memrchr(buf + align + pos + 1, 'x', len - (pos + 1)) == NULL, + 10); + buf[align + pos] = '-'; + } + } + } + } +} + +static void test_rindex (void) { it = "rindex"; @@ -415,7 +628,7 @@ test_rindex (void) check (rindex (one, '\0') == one, 8); /* NUL in empty string. */ } -void +static void test_strpbrk (void) { it = "strpbrk"; @@ -444,7 +657,7 @@ test_strpbrk (void) check(strpbrk(one, "efgh") == one+6, 17); /* And yet another. */ } -void +static void test_strstr (void) { it = "strstr"; @@ -471,34 +684,7 @@ test_strstr (void) check(strstr(one, "bbca") == one+1, 16); /* With overlap. */ } -void -test_strcasestr (void) -{ - it = "strcasestr"; - check(strcasestr("abcd", "z") == NULL, 1); /* Not found. */ - check(strcasestr("abcd", "abx") == NULL, 2); /* Dead end. */ - (void) strcpy(one, "aBcD"); - check(strcasestr(one, "c") == one+2, 3); /* Basic test. */ - check(strcasestr(one, "bc") == one+1, 4); /* Multichar. */ - check(strcasestr(one, "d") == one+3, 5); /* End of string. */ - check(strcasestr(one, "cd") == one+2, 6); /* Tail of string. */ - check(strcasestr(one, "abc") == one, 7); /* Beginning. */ - check(strcasestr(one, "abcd") == one, 8); /* Exact match. */ - check(strcasestr(one, "abcde") == NULL, 9); /* Too long. */ - check(strcasestr(one, "de") == NULL, 10); /* Past end. */ - check(strcasestr(one, "") == one, 11); /* Finding empty. */ - (void) strcpy(one, "aBaBa"); - check(strcasestr(one, "ba") == one+1, 12); /* Finding first. */ - (void) strcpy(one, ""); - check(strcasestr(one, "b") == NULL, 13); /* Empty string. */ - check(strcasestr(one, "") == one, 14); /* Empty in empty string. */ - (void) strcpy(one, "BcBcA"); - check(strcasestr(one, "bca") == one+2, 15); /* False start. */ - (void) strcpy(one, "BbBcABBcA"); - check(strcasestr(one, "bbca") == one+1, 16); /* With overlap. */ -} - -void +static void test_strspn (void) { it = "strspn"; @@ -509,7 +695,7 @@ test_strspn (void) check(strspn("abc", "") == 0, 5); /* Null search list. */ } -void +static void test_strcspn (void) { it = "strcspn"; @@ -520,7 +706,7 @@ test_strcspn (void) check(strcspn("abc", "") == 3, 5); /* Null search list. */ } -void +static void test_strtok (void) { it = "strtok"; @@ -570,9 +756,71 @@ test_strtok (void) equal(one+4, "c", 33); } -void +static void +test_strtok_r (void) +{ + it = "strtok_r"; + (void) strcpy(one, "first, second, third"); + cp = NULL; /* Always initialize cp to make sure it doesn't point to some old data. */ + equal(strtok_r(one, ", ", &cp), "first", 1); /* Basic test. */ + equal(one, "first", 2); + equal(strtok_r((char *)NULL, ", ", &cp), "second", 3); + equal(strtok_r((char *)NULL, ", ", &cp), "third", 4); + check(strtok_r((char *)NULL, ", ", &cp) == NULL, 5); + (void) strcpy(one, ", first, "); + cp = NULL; + equal(strtok_r(one, ", ", &cp), "first", 6); /* Extra delims, 1 tok. */ + check(strtok_r((char *)NULL, ", ", &cp) == NULL, 7); + (void) strcpy(one, "1a, 1b; 2a, 2b"); + cp = NULL; + equal(strtok_r(one, ", ", &cp), "1a", 8); /* Changing delim lists. */ + equal(strtok_r((char *)NULL, "; ", &cp), "1b", 9); + equal(strtok_r((char *)NULL, ", ", &cp), "2a", 10); + (void) strcpy(two, "x-y"); + cp = NULL; + equal(strtok_r(two, "-", &cp), "x", 11); /* New string before done. */ + equal(strtok_r((char *)NULL, "-", &cp), "y", 12); + check(strtok_r((char *)NULL, "-", &cp) == NULL, 13); + (void) strcpy(one, "a,b, c,, ,d"); + cp = NULL; + equal(strtok_r(one, ", ", &cp), "a", 14); /* Different separators. */ + equal(strtok_r((char *)NULL, ", ", &cp), "b", 15); + equal(strtok_r((char *)NULL, " ,", &cp), "c", 16); /* Permute list too. */ + equal(strtok_r((char *)NULL, " ,", &cp), "d", 17); + check(strtok_r((char *)NULL, ", ", &cp) == NULL, 18); + check(strtok_r((char *)NULL, ", ", &cp) == NULL, 19); /* Persistence. */ + (void) strcpy(one, ", "); + cp = NULL; + check(strtok_r(one, ", ", &cp) == NULL, 20); /* No tokens. */ + (void) strcpy(one, ""); + cp = NULL; + check(strtok_r(one, ", ", &cp) == NULL, 21); /* Empty string. */ + check(strtok_r((char *)NULL, ", ", &cp) == NULL, 22); /* Persistence. */ + (void) strcpy(one, "abc"); + cp = NULL; + equal(strtok_r(one, ", ", &cp), "abc", 23); /* No delimiters. */ + check(strtok_r((char *)NULL, ", ", &cp) == NULL, 24); + (void) strcpy(one, "abc"); + cp = NULL; + equal(strtok_r(one, "", &cp), "abc", 25); /* Empty delimiter list. */ + check(strtok_r((char *)NULL, "", &cp) == NULL, 26); + (void) strcpy(one, "abcdefgh"); + (void) strcpy(one, "a,b,c"); + cp = NULL; + equal(strtok_r(one, ",", &cp), "a", 27); /* Basics again... */ + equal(strtok_r((char *)NULL, ",", &cp), "b", 28); + equal(strtok_r((char *)NULL, ",", &cp), "c", 29); + check(strtok_r((char *)NULL, ",", &cp) == NULL, 30); + equal(one+6, "gh", 31); /* Stomped past end? */ + equal(one, "a", 32); /* Stomped old tokens? */ + equal(one+2, "b", 33); + equal(one+4, "c", 34); +} + +static void test_strsep (void) { + char *ptr; it = "strsep"; cp = strcpy(one, "first, second, third"); equal(strsep(&cp, ", "), "first", 1); /* Basic test. */ @@ -638,7 +886,7 @@ test_strsep (void) { char text[] = "This,is,a,test"; - char *list = strdup (text); + char *list = strdupa (text); equal (strsep (&list, ","), "This", 51); equal (strsep (&list, ","), "is", 52); equal (strsep (&list, ","), "a", 53); @@ -667,33 +915,56 @@ test_strsep (void) equal(strsep(&cp, "xy,"), "", 71); check(strsep(&cp, "x,y") == NULL, 72); check(strsep(&cp, ",xy") == NULL, 73); /* Persistence. */ + + cp = strcpy(one, "ABC"); + one[4] = ':'; + equal(strsep(&cp, "C"), "AB", 74); /* Access beyond NUL. */ + ptr = strsep(&cp, ":"); + equal(ptr, "", 75); + check(ptr == one + 3, 76); + check(cp == NULL, 77); + + cp = strcpy(one, "ABC"); + one[4] = ':'; + equal(strsep(&cp, "CD"), "AB", 78); /* Access beyond NUL. */ + ptr = strsep(&cp, ":."); + equal(ptr, "", 79); + check(ptr == one + 3, 80); + + cp = strcpy(one, "ABC"); /* No token in string. */ + equal(strsep(&cp, ","), "ABC", 81); + check(cp == NULL, 82); + + *one = '\0'; /* Empty string. */ + cp = one; + ptr = strsep(&cp, ","); + equal(ptr, "", 83); + check(ptr == one, 84); + check(cp == NULL, 85); + + *one = '\0'; /* Empty string and no token. */ + cp = one; + ptr = strsep(&cp, ""); + equal(ptr, "", 86); + check(ptr == one , 87); + check(cp == NULL, 88); } -void +static void test_memcmp (void) { - int foo[6] = {'\0','0','1','2','3','4'}; - int bar[6] = {'\0','0','1','2','3','5'}; - - it = "memcmp"; - check(memcmp("a", "a", 1) == 0, 1); /* Identity. */ - check(memcmp("abc", "abc", 3) == 0, 2); /* Multicharacter. */ - check(memcmp("abcd", "abce", 4) < 0, 3); /* Honestly unequal. */ - check(memcmp("abce", "abcd", 4) > 0, 4); - check(memcmp("alph", "beta", 4) < 0, 5); - check(memcmp("a\203", "a\003", 2) > 0, 6); - check(memcmp("abce", "abcd", 3) == 0, 7); /* Count limited. */ - check(memcmp("abc", "def", 0) == 0, 8); /* Zero count. */ - - check(memcmp(foo, bar, 5*(sizeof(int))) == 0, 9); /* non-string test - case (both begin - with a NULL) */ - check(memcmp(foo, bar, 6*(sizeof(int))) < 0, 10); /* non-string test - case (both begin - with a NULL) */ + it = "memcmp"; + check(memcmp("a", "a", 1) == 0, 1); /* Identity. */ + check(memcmp("abc", "abc", 3) == 0, 2); /* Multicharacter. */ + check(memcmp("abcd", "abce", 4) < 0, 3); /* Honestly unequal. */ + check(memcmp("abce", "abcd", 4) > 0, 4); + check(memcmp("alph", "beta", 4) < 0, 5); + check(memcmp("a\203", "a\003", 2) > 0, 6); + check(memcmp("abce", "abcd", 3) == 0, 7); /* Count limited. */ + check(memcmp("abc", "def", 0) == 0, 8); /* Zero count. */ } -void +static void test_memchr (void) { it = "memchr"; @@ -736,9 +1007,10 @@ test_memchr (void) } } -void +static void test_memcpy (void) { + int i; it = "memcpy"; check(memcpy(one, "abc", 4) == one, 1); /* Returned value. */ equal(one, "abc", 2); /* Did the copy go right? */ @@ -756,9 +1028,60 @@ test_memcpy (void) (void) memcpy(two, one, 9); equal(two, "hi there", 5); /* Just paranoia. */ equal(one, "hi there", 6); /* Stomped on source? */ + + for (i = 0; i < 16; i++) + { + const char *x = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"; + strcpy (one, x); + check (memcpy (one + i, "hi there", 9) == one + i, + 7 + (i * 6)); /* Unaligned destination. */ + check (memcmp (one, x, i) == 0, 8 + (i * 6)); /* Wrote under? */ + equal (one + i, "hi there", 9 + (i * 6)); + check (one[i + 9] == 'x', 10 + (i * 6)); /* Wrote over? */ + check (memcpy (two, one + i, 9) == two, + 11 + (i * 6)); /* Unaligned source. */ + equal (two, "hi there", 12 + (i * 6)); + } } -void +static void +test_mempcpy (void) +{ + int i; + it = "mempcpy"; + check(mempcpy(one, "abc", 4) == one + 4, 1); /* Returned value. */ + equal(one, "abc", 2); /* Did the copy go right? */ + + (void) strcpy(one, "abcdefgh"); + (void) mempcpy(one+1, "xyz", 2); + equal(one, "axydefgh", 3); /* Basic test. */ + + (void) strcpy(one, "abc"); + (void) mempcpy(one, "xyz", 0); + equal(one, "abc", 4); /* Zero-length copy. */ + + (void) strcpy(one, "hi there"); + (void) strcpy(two, "foo"); + (void) mempcpy(two, one, 9); + equal(two, "hi there", 5); /* Just paranoia. */ + equal(one, "hi there", 6); /* Stomped on source? */ + + for (i = 0; i < 16; i++) + { + const char *x = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"; + strcpy (one, x); + check (mempcpy (one + i, "hi there", 9) == one + i + 9, + 7 + (i * 6)); /* Unaligned destination. */ + check (memcmp (one, x, i) == 0, 8 + (i * 6)); /* Wrote under? */ + equal (one + i, "hi there", 9 + (i * 6)); + check (one[i + 9] == 'x', 10 + (i * 6)); /* Wrote over? */ + check (mempcpy (two, one + i, 9) == two + 9, + 11 + (i * 6)); /* Unaligned source. */ + equal (two, "hi there", 12 + (i * 6)); + } +} + +static void test_memmove (void) { it = "memmove"; @@ -792,7 +1115,7 @@ test_memmove (void) equal(one, "abcdefgh", 9); /* 100% overlap. */ } -void +static void test_memccpy (void) { /* First test like memcpy, then the search part The SVID, the only @@ -834,7 +1157,7 @@ test_memccpy (void) equal(two, "xbcdlebee", 15); } -void +static void test_memset (void) { int i; @@ -856,7 +1179,7 @@ test_memset (void) /* Non-8bit fill character. */ memset (one, 0x101, sizeof (one)); - for (i = 0; i < sizeof (one); ++i) + for (i = 0; i < (int) sizeof (one); ++i) check (one[i] == '\01', 7); /* Test for more complex versions of memset, for all alignments and @@ -896,7 +1219,7 @@ test_memset (void) } } -void +static void test_bcopy (void) { /* Much like memcpy. Berklix manual is silent about overlap, so @@ -920,7 +1243,7 @@ test_bcopy (void) equal(one, "hi there", 5); /* Stomped on source? */ } -void +static void test_bzero (void) { it = "bzero"; @@ -935,7 +1258,31 @@ test_bzero (void) equal(one, "abcdef", 4); /* Zero-length copy. */ } -void +static void +test_strndup (void) +{ + char *p, *q; + it = "strndup"; + p = strndup("abcdef", 12); + check(p != NULL, 1); + if (p != NULL) + { + equal(p, "abcdef", 2); + q = strndup(p + 1, 2); + check(q != NULL, 3); + if (q != NULL) + equal(q, "bc", 4); + free (q); + } + free (p); + p = strndup("abc def", 3); + check(p != NULL, 5); + if (p != NULL) + equal(p, "abc", 6); + free (p); +} + +static void test_bcmp (void) { it = "bcmp"; @@ -948,14 +1295,13 @@ test_bcmp (void) check(bcmp("abc", "def", 0) == 0, 8); /* Zero count. */ } -void +static void test_strerror (void) { - int f; it = "strerror"; - f = open("/", O_WRONLY); /* Should always fail. */ - check(f < 0 && errno > 0 && errno < _sys_nerr, 1); - equal(strerror(errno), _sys_errlist[errno], 2); + check(strerror(EDOM) != 0, 1); + check(strerror(ERANGE) != 0, 2); + check(strerror(ENOENT) != 0, 3); } int @@ -969,9 +1315,12 @@ main (void) /* Test strcpy next because we need it to set up other tests. */ test_strcpy (); - /* stpcpy */ + /* A closely related function is stpcpy. */ test_stpcpy (); + /* stpncpy. */ + test_stpncpy (); + /* strcat. */ test_strcat (); @@ -990,12 +1339,23 @@ main (void) /* strchr. */ test_strchr (); +#if 0 + /* strchrnul. */ + test_strchrnul (); + + /* rawmemchr. */ + test_rawmemchr (); +#endif + /* index - just like strchr. */ test_index (); /* strrchr. */ test_strrchr (); + /* memrchr. */ + test_memrchr (); + /* rindex - just like strrchr. */ test_rindex (); @@ -1004,7 +1364,6 @@ main (void) /* strstr - somewhat like strchr. */ test_strstr (); - test_strcasestr (); /* strspn. */ test_strspn (); @@ -1015,6 +1374,9 @@ main (void) /* strtok - the hard one. */ test_strtok (); + /* strtok_r. */ + test_strtok_r (); + /* strsep. */ test_strsep (); @@ -1030,6 +1392,9 @@ main (void) /* memmove - must work on overlap. */ test_memmove (); + /* mempcpy */ + test_mempcpy (); + /* memccpy. */ test_memccpy (); @@ -1045,6 +1410,9 @@ main (void) /* bcmp - somewhat like memcmp. */ test_bcmp (); + /* strndup. */ + test_strndup (); + /* strerror - VERY system-dependent. */ test_strerror (); @@ -1059,5 +1427,6 @@ main (void) status = EXIT_FAILURE; printf("%d errors.\n", errors); } - exit(status); + + return status; } |