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-rw-r--r--string/tester.c331
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);
}