diff options
Diffstat (limited to 'strtoupper.c')
| -rw-r--r-- | strtoupper.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/strtoupper.c b/strtoupper.c index ce7c147..d22da79 100644 --- a/strtoupper.c +++ b/strtoupper.c @@ -12,6 +12,18 @@ extern inline char *libsimple_strtoupper(char *, const char *); int main(void) { + char buf[100]; + + stpcpy(buf, "abcdeABCDE12345"); + assert(!strcmpnul(libsimple_strtoupper(&buf[3], &buf[0]), "ABCDEABCDE12345")); + assert(!strcmp(buf, "abcABCDEABCDE12345")); + stpcpy(buf, "abcdeABCDE12345"); + assert(!strcmpnul(libsimple_strtoupper(&buf[0], &buf[3]), "DEABCDE12345")); + assert(!strcmp(buf, "DEABCDE12345")); + stpcpy(buf, "abcdeABCDE12345"); + assert(!strcmpnul(libsimple_strtoupper(&buf[0], &buf[0]), "ABCDEABCDE12345")); + assert(!strcmp(buf, "ABCDEABCDE12345")); + return 0; } |