diff options
Diffstat (limited to 'test/string/tester.c')
| -rw-r--r-- | test/string/tester.c | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/test/string/tester.c b/test/string/tester.c index cccef3ad9..f89cf01fa 100644 --- a/test/string/tester.c +++ b/test/string/tester.c @@ -34,6 +34,11 @@ #include <strings.h> #include <fcntl.h> +#ifdef __UCLIBC__ +# define __TEST_BSD_FUNCS__ +#else +# undef __TEST_BSD_FUNCS__ +#endif #define STREQ(a, b) (strcmp((a), (b)) == 0) @@ -350,6 +355,53 @@ test_strncat (void) } static void +test_strlcat (void) +{ +#ifdef __TEST_BSD_FUNCS__ + /* First test it as strcat, with big counts, then test the count + mechanism. */ + it = "strlcat"; + (void) strcpy (one, "ijk"); + check (strlcat (one, "lmn", 99) == 6, 1); /* Returned value. */ + equal (one, "ijklmn", 2); /* Basic test. */ + + (void) strcpy (one, "x"); + (void) strlcat (one, "yz", 99); + equal (one, "xyz", 3); /* Writeover. */ + equal (one+4, "mn", 4); /* Wrote too much? */ + + (void) strcpy (one, "gh"); + (void) strcpy (two, "ef"); + (void) strlcat (one, two, 99); + equal (one, "ghef", 5); /* Basic test encore. */ + equal (two, "ef", 6); /* Stomped on source? */ + + (void) strcpy (one, ""); + (void) strlcat (one, "", 99); + equal (one, "", 7); /* Boundary conditions. */ + (void) strcpy (one, "ab"); + (void) strlcat (one, "", 99); + equal (one, "ab", 8); + (void) strcpy (one, ""); + (void) strlcat (one, "cd", 99); + equal (one, "cd", 9); + + (void) strcpy (one, "ab"); + (void) strlcat (one, "cdef", 2); + equal (one, "ab", 10); /* Count-limited. */ + + (void) strlcat (one, "gh", 0); + equal (one, "ab", 11); /* Zero count. */ + + (void) strlcat (one, "gh", 4); + equal (one, "abg", 12); /* Count and length equal. */ + + (void) strlcat (one, "ij", (size_t)-1); /* set sign bit in count */ + equal (one, "abgij", 13); +#endif +} + +static void test_strncmp (void) { /* First test as strcmp with big counts, then test count code. */ @@ -414,6 +466,50 @@ test_strncpy (void) } static void +test_strlcpy (void) +{ +#ifdef __TEST_BSD_FUNCS__ + /* Testing is a bit different because of odd semantics. */ + it = "strlcpy"; + check (strlcpy (one, "abc", sizeof(one)) == 3, 1); /* Returned value. */ + equal (one, "abc", 2); /* Did the copy go right? */ + + (void) strcpy (one, "abcdefgh"); + (void) strlcpy (one, "xyz", 2); + equal (one, "x\0cdefgh", 3); /* Copy cut by count. */ + + (void) strcpy (one, "abcdefgh"); + (void) strlcpy (one, "xyz", 3); /* Copy cut just before NUL. */ + equal (one, "xy\0defgh", 4); + + (void) strcpy (one, "abcdefgh"); + (void) strlcpy (one, "xyz", 4); /* Copy just includes NUL. */ + equal (one, "xyz", 5); + equal (one+4, "efgh", 6); /* Wrote too much? */ + + (void) strcpy (one, "abcdefgh"); + (void) strlcpy (one, "xyz", 5); /* Copy includes padding. */ + equal (one, "xyz", 7); + equal (one+3, "", 8); + equal (one+4, "efgh", 9); + + (void) strcpy (one, "abc"); + (void) strlcpy (one, "xyz", 0); /* Zero-length copy. */ + equal (one, "abc", 10); + + (void) strlcpy (one, "", 2); /* Zero-length source. */ + equal (one, "", 11); + equal (one+1, "bc", 12); + equal (one+2, "c", 13); + + (void) strcpy (one, "hi there"); + (void) strlcpy (two, one, 9); + equal (two, "hi there", 14); /* Just paranoia. */ + equal (one, "hi there", 15); /* Stomped on source? */ +#endif +} + +static void test_strlen (void) { it = "strlen"; @@ -1401,12 +1497,18 @@ main (void) /* strncat. */ test_strncat (); + /* strlcat. */ + test_strlcat (); + /* strncmp. */ test_strncmp (); /* strncpy. */ test_strncpy (); + /* strlcpy. */ + test_strlcpy (); + /* strlen. */ test_strlen (); |