diff options
Diffstat (limited to 'string/tester.c')
| -rw-r--r-- | string/tester.c | 331 |
1 files changed, 253 insertions, 78 deletions
diff --git a/string/tester.c b/string/tester.c index ee36e12..5b7b2f9 100644 --- a/string/tester.c +++ b/string/tester.c @@ -56,20 +56,19 @@ check (int thing, int number) } /* Complain if first two args don't strcmp as equal. */ -void equal (const char *a, const char *b, int number) +void +equal (const char *a, const char *b, int number) { check(a != NULL && b != NULL && STREQ (a, b), number); } char one[50]; char two[50]; +char *cp; -int -main (void) +void +test_strcmp (void) { - char *cp; - - /* Test strcmp first because we use it to test other things. */ it = "strcmp"; check (strcmp ("", "") == 0, 1); /* Trivial case. */ check (strcmp ("a", "a") == 0, 2); /* Identity. */ @@ -115,8 +114,11 @@ main (void) } } } +} - /* Test strcpy next because we need it to set up other tests. */ +void +test_strcpy (void) +{ it = "strcpy"; check (strcpy (one, "abcd") == one, 1); /* Returned value. */ equal (one, "abcd", 2); /* Basic test. */ @@ -132,8 +134,11 @@ main (void) (void) strcpy (one, ""); equal (one, "", 7); /* Boundary condition. */ +} - /* A closely related function is stpcpy. */ +void +test_stpcpy (void) +{ it = "stpcpy"; check ((stpcpy (one, "a") - one) == 1, 1); equal (one, "a", 2); @@ -193,10 +198,12 @@ main (void) check ((stpcpy (stpcpy (stpcpy (one, "a"), "b"), "c") - one) == 3, 40); equal (one, "abc", 41); equal (one + 4, "xxx", 42); +} - /* stpncpy. */ +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); @@ -206,8 +213,11 @@ main (void) 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); +} - /* strcat. */ +void +test_strcat (void) +{ it = "strcat"; (void) strcpy (one, "ijk"); check (strcat (one, "lmn") == one, 1); /* Returned value. */ @@ -233,9 +243,13 @@ main (void) (void) strcpy (one, ""); (void) strcat (one, "cd"); equal (one, "cd", 9); +} - /* strncat - first test it as strcat, with big counts, - then test the count mechanism. */ +void +test_strncat (void) +{ + /* First test it as strcat, with big counts, then test the count + mechanism. */ it = "strncat"; (void) strcpy (one, "ijk"); check (strncat (one, "lmn", 99) == one, 1); /* Returned value. */ @@ -271,9 +285,12 @@ main (void) (void) strncat (one, "gh", 2); equal (one, "abcdgh", 12); /* Count and length equal. */ +} - /* strncmp - first test as strcmp with big counts, - then test count code. */ +void +test_strncmp (void) +{ + /* First test as strcmp with big counts, then test count code. */ it = "strncmp"; check (strncmp ("", "", 99) == 0, 1); /* Trivial case. */ check (strncmp ("a", "a", 99) == 0, 2); /* Identity. */ @@ -288,8 +305,12 @@ main (void) check (strncmp ("abce", "abc", 3) == 0, 11); /* Count == length. */ check (strncmp ("abcd", "abce", 4) < 0, 12); /* Nudging limit. */ check (strncmp ("abc", "def", 0) == 0, 13); /* Zero count. */ +} - /* strncpy - testing is a bit different because of odd semantics. */ +void +test_strncpy (void) +{ + /* Testing is a bit different because of odd semantics. */ it = "strncpy"; check (strncpy (one, "abc", 4) == one, 1); /* Returned value. */ equal (one, "abc", 2); /* Did the copy go right? */ @@ -326,8 +347,11 @@ main (void) (void) strncpy (two, one, 9); equal (two, "hi there", 14); /* Just paranoia. */ equal (one, "hi there", 15); /* Stomped on source? */ +} - /* strlen. */ +void +test_strlen (void) +{ it = "strlen"; check (strlen ("") == 0, 1); /* Empty. */ check (strlen ("a") == 1, 2); /* Single char. */ @@ -344,8 +368,11 @@ main (void) check (strlen (p) == 2, 4+i); } } +} - /* strchr. */ +void +test_strchr (void) +{ it = "strchr"; check (strchr ("abcd", 'z') == NULL, 1); /* Not found. */ (void) strcpy (one, "abcd"); @@ -370,9 +397,11 @@ main (void) check (strchr (p, '/') == NULL, 9+i); } } +} -#if 0 - /* index - just like strchr. */ +void +test_index (void) +{ it = "index"; check (index ("abcd", 'z') == NULL, 1); /* Not found. */ (void) strcpy (one, "abcd"); @@ -385,9 +414,11 @@ main (void) (void) strcpy (one, ""); check (index (one, 'b') == NULL, 7); /* Empty string. */ check (index (one, '\0') == one, 8); /* NUL in empty string. */ -#endif +} - /* strrchr. */ +void +test_strrchr (void) +{ it = "strrchr"; check (strrchr ("abcd", 'z') == NULL, 1); /* Not found. */ (void) strcpy (one, "abcd"); @@ -412,9 +443,11 @@ main (void) check (strrchr (p, '/') == NULL, 9+i); } } +} -#if 0 - /* rindex - just like strrchr. */ +void +test_rindex (void) +{ it = "rindex"; check (rindex ("abcd", 'z') == NULL, 1); /* Not found. */ (void) strcpy (one, "abcd"); @@ -427,9 +460,11 @@ main (void) (void) strcpy (one, ""); check (rindex (one, 'b') == NULL, 7); /* Empty string. */ check (rindex (one, '\0') == one, 8); /* NUL in empty string. */ -#endif +} - /* strpbrk - somewhat like strchr. */ +void +test_strpbrk (void) +{ it = "strpbrk"; check(strpbrk("abcd", "z") == NULL, 1); /* Not found. */ (void) strcpy(one, "abcd"); @@ -445,8 +480,11 @@ main (void) (void) strcpy(one, ""); check(strpbrk(one, "bc") == NULL, 10); /* Empty string. */ check(strpbrk(one, "") == NULL, 11); /* Both strings empty. */ +} - /* strstr - somewhat like strchr. */ +void +test_strstr (void) +{ it = "strstr"; check(strstr("abcd", "z") == NULL, 1); /* Not found. */ check(strstr("abcd", "abx") == NULL, 2); /* Dead end. */ @@ -469,24 +507,33 @@ main (void) check(strstr(one, "bca") == one+2, 15); /* False start. */ (void) strcpy(one, "bbbcabbca"); check(strstr(one, "bbca") == one+1, 16); /* With overlap. */ +} - /* strspn. */ +void +test_strspn (void) +{ it = "strspn"; check(strspn("abcba", "abc") == 5, 1); /* Whole string. */ check(strspn("abcba", "ab") == 2, 2); /* Partial. */ check(strspn("abc", "qx") == 0, 3); /* None. */ check(strspn("", "ab") == 0, 4); /* Null string. */ check(strspn("abc", "") == 0, 5); /* Null search list. */ +} - /* strcspn. */ +void +test_strcspn (void) +{ it = "strcspn"; check(strcspn("abcba", "qx") == 5, 1); /* Whole string. */ check(strcspn("abcba", "cx") == 2, 2); /* Partial. */ check(strcspn("abc", "abc") == 0, 3); /* None. */ check(strcspn("", "ab") == 0, 4); /* Null string. */ check(strcspn("abc", "") == 3, 5); /* Null search list. */ +} - /* strtok - the hard one. */ +void +test_strtok (void) +{ it = "strtok"; (void) strcpy(one, "first, second, third"); equal(strtok(one, ", "), "first", 1); /* Basic test. */ @@ -532,8 +579,11 @@ main (void) equal(one, "a", 31); /* Stomped old tokens? */ equal(one+2, "b", 32); equal(one+4, "c", 33); +} - /* strtok_r. */ +void +test_strtok_r (void) +{ it = "strtok_r"; (void) strcpy(one, "first, second, third"); equal(strtok_r(one, ", ", &cp), "first", 1); /* Basic test. */ @@ -579,8 +629,11 @@ main (void) equal(one, "a", 31); /* Stomped old tokens? */ equal(one+2, "b", 32); equal(one+4, "c", 33); +} - /* strsep. */ +void +test_strsep (void) +{ it = "strsep"; cp = strcpy(one, "first, second, third"); equal(strsep(&cp, ", "), "first", 1); /* Basic test. */ @@ -640,7 +693,21 @@ main (void) equal(one+2, "b", 45); equal(one+4, "c", 46); - /* memcmp. */ + { + char text[] = "This,is,a,test"; + char *list = text; + it = "strsep"; + check (!strcmp ("This", strsep (&list, ",")), 1); + check (!strcmp ("is", strsep (&list, ",")), 2); + check (!strcmp ("a", strsep (&list, ",")), 3); + check (!strcmp ("test", strsep (&list, ",")), 4); + check (strsep (&list, ",") == NULL, 5); + } +} + +void +test_memcmp (void) +{ it = "memcmp"; check(memcmp("a", "a", 1) == 0, 1); /* Identity. */ check(memcmp("abc", "abc", 3) == 0, 2); /* Multicharacter. */ @@ -650,8 +717,11 @@ main (void) 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. */ +} - /* memchr. */ +void +test_memchr (void) +{ it = "memchr"; check(memchr("abcd", 'z', 4) == NULL, 1); /* Not found. */ (void) strcpy(one, "abcd"); @@ -690,8 +760,11 @@ main (void) } } } +} - /* memcpy - need not work for overlap. */ +void +test_memcpy (void) +{ it = "memcpy"; check(memcpy(one, "abc", 4) == one, 1); /* Returned value. */ equal(one, "abc", 2); /* Did the copy go right? */ @@ -709,8 +782,11 @@ main (void) (void) memcpy(two, one, 9); equal(two, "hi there", 5); /* Just paranoia. */ equal(one, "hi there", 6); /* Stomped on source? */ +} - /* memmove - must work on overlap. */ +void +test_memmove (void) +{ it = "memmove"; check(memmove(one, "abc", 4) == one, 1); /* Returned value. */ equal(one, "abc", 2); /* Did the copy go right? */ @@ -740,11 +816,15 @@ main (void) (void) strcpy(one, "abcdefgh"); (void) memmove(one, one, 9); equal(one, "abcdefgh", 9); /* 100% overlap. */ +} - /* memccpy - first test like memcpy, then the search part - The SVID, the only place where memccpy is mentioned, says - overlap might fail, so we don't try it. Besides, it's hard - to see the rationale for a non-left-to-right memccpy. */ +void +test_memccpy (void) +{ + /* First test like memcpy, then the search part The SVID, the only + place where memccpy is mentioned, says overlap might fail, so we + don't try it. Besides, it's hard to see the rationale for a + non-left-to-right memccpy. */ it = "memccpy"; check(memccpy(one, "abc", 'q', 4) == NULL, 1); /* Returned value. */ equal(one, "abc", 2); /* Did the copy go right? */ @@ -778,8 +858,11 @@ main (void) (void) strcpy(one, "xyz"); check(memccpy(two, one, 'x', 1) == two+1, 14); /* Singleton. */ equal(two, "xbcdlebee", 15); +} - /* memset. */ +void +test_memset (void) +{ it = "memset"; (void) strcpy(one, "abcdefgh"); check(memset(one+1, 'x', 3) == one+1, 1); /* Return value. */ @@ -831,9 +914,13 @@ main (void) check(0,7+i+j*256+(c != 0)*256*256); } } +} - /* bcopy - much like memcpy. - Berklix manual is silent about overlap, so don't test it. */ +void +test_bcopy (void) +{ + /* Much like memcpy. Berklix manual is silent about overlap, so + don't test it. */ it = "bcopy"; (void) bcopy("abc", one, 4); equal(one, "abc", 1); /* Simple copy. */ @@ -851,8 +938,11 @@ main (void) (void) bcopy(one, two, 9); equal(two, "hi there", 4); /* Just paranoia. */ equal(one, "hi there", 5); /* Stomped on source? */ +} - /* bzero. */ +void +test_bzero (void) +{ it = "bzero"; (void) strcpy(one, "abcdef"); bzero(one+2, 2); @@ -863,9 +953,11 @@ main (void) (void) strcpy(one, "abcdef"); bzero(one+2, 0); equal(one, "abcdef", 4); /* Zero-length copy. */ +} -#if 0 - /* bcmp - somewhat like memcmp. */ +void +test_bcmp (void) +{ it = "bcmp"; check(bcmp("a", "a", 1) == 0, 1); /* Identity. */ check(bcmp("abc", "abc", 3) == 0, 2); /* Multicharacter. */ @@ -874,40 +966,123 @@ main (void) check(bcmp("alph", "beta", 4) != 0, 5); check(bcmp("abce", "abcd", 3) == 0, 6); /* Count limited. */ check(bcmp("abc", "def", 0) == 0, 8); /* Zero count. */ -#endif +} - { - char text[] = "This,is,a,test"; - char *list = text; - it = "strsep"; - check (!strcmp ("This", strsep (&list, ",")), 1); - check (!strcmp ("is", strsep (&list, ",")), 2); - check (!strcmp ("a", strsep (&list, ",")), 3); - check (!strcmp ("test", strsep (&list, ",")), 4); - check (strsep (&list, ",") == NULL, 5); - } +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); +} + +int +main (void) +{ + int status; + + /* Test strcmp first because we use it to test other things. */ + test_strcmp (); + + /* Test strcpy next because we need it to set up other tests. */ + test_strcpy (); + + /* A closely related function is stpcpy. */ + test_stpcpy (); + + /* stpncpy. */ + test_stpncpy (); + + /* strcat. */ + test_strcat (); + + /* strncat. */ + test_strncat (); + + /* strncmp. */ + test_strncmp (); + + /* strncpy. */ + test_strncpy (); + + /* strlen. */ + test_strlen (); + + /* strchr. */ + test_strchr (); + + /* index - just like strchr. */ + test_index (); + + /* strrchr. */ + test_strrchr (); + + /* rindex - just like strrchr. */ + test_rindex (); + + /* strpbrk - somewhat like strchr. */ + test_strpbrk (); + + /* strstr - somewhat like strchr. */ + test_strstr (); + + /* strspn. */ + test_strspn (); + + /* strcspn. */ + test_strcspn (); + + /* strtok - the hard one. */ + test_strtok (); + + /* strtok_r. */ + test_strtok_r (); + + /* strsep. */ + test_strsep (); + + /* memcmp. */ + test_memcmp (); + + /* memchr. */ + test_memchr (); + + /* memcpy - need not work for overlap. */ + test_memcpy (); + + /* memmove - must work on overlap. */ + test_memmove (); + + /* memccpy. */ + test_memccpy (); + + /* memset. */ + test_memset (); + + /* bcopy. */ + test_bcopy (); + + /* bzero. */ + test_bzero (); + + /* bcmp - somewhat like memcmp. */ + test_bcmp (); /* strerror - VERY system-dependent. */ - { - 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); - } + test_strerror (); - { - int status; - if (errors == 0) - { - status = EXIT_SUCCESS; - puts("No errors."); - } - else - { - status = EXIT_FAILURE; - printf("%Zd errors.\n", errors); - } - exit(status); - } + + if (errors == 0) + { + status = EXIT_SUCCESS; + puts("No errors."); + } + else + { + status = EXIT_FAILURE; + printf("%Zd errors.\n", errors); + } + exit(status); } |