diff options
Diffstat (limited to 'strntoupper.c')
| -rw-r--r-- | strntoupper.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/strntoupper.c b/strntoupper.c index 801a7f3..2959af8 100644 --- a/strntoupper.c +++ b/strntoupper.c @@ -12,6 +12,45 @@ extern inline char *libsimple_strntoupper(char *, const char *, size_t); int main(void) { + char buf[100]; + + stpcpy(buf, "abcdeABCDE12345"); + assert(!strcmpnul(libsimple_strntoupper(&buf[3], &buf[0], SIZE_MAX), "ABCDEABCDE12345")); + assert(!strcmp(buf, "abcABCDEABCDE12345")); + stpcpy(buf, "abcdeABCDE12345"); + assert(!strcmpnul(libsimple_strntoupper(&buf[0], &buf[3], SIZE_MAX), "DEABCDE12345")); + assert(!strcmp(buf, "DEABCDE12345")); + stpcpy(buf, "abcdeABCDE12345"); + assert(!strcmpnul(libsimple_strntoupper(&buf[0], &buf[0], SIZE_MAX), "ABCDEABCDE12345")); + assert(!strcmp(buf, "ABCDEABCDE12345")); + + memset(buf, 0, sizeof(buf)); + stpcpy(buf, "abcdeABCDE12345"); + buf[18] = 'x'; + assert(!strcmpnul(libsimple_strntoupper(&buf[3], &buf[0], 15), "ABCDEABCDE12345x")); + assert(!strcmp(buf, "abcABCDEABCDE12345x")); + memset(buf, 0, sizeof(buf)); + stpcpy(buf, "abcdeABCDE12345"); + assert(!strcmpnul(libsimple_strntoupper(&buf[0], &buf[3], 12), "DEABCDE12345345")); + assert(!strcmp(buf, "DEABCDE12345345")); + memset(buf, 0, sizeof(buf)); + stpcpy(buf, "abcdeABCDE12345x"); + assert(!strcmpnul(libsimple_strntoupper(&buf[0], &buf[0], 15), "ABCDEABCDE12345x")); + assert(!strcmp(buf, "ABCDEABCDE12345x")); + + memset(buf, 0, sizeof(buf)); + stpcpy(buf, "abcdeABCDE12345"); + assert(!strcmpnul(libsimple_strntoupper(&buf[3], &buf[0], 0), "deABCDE12345")); + assert(!strcmp(buf, "abcdeABCDE12345")); + memset(buf, 0, sizeof(buf)); + stpcpy(buf, "abcdeABCDE12345"); + assert(!strcmpnul(libsimple_strntoupper(&buf[0], &buf[3], 0), "abcdeABCDE12345")); + assert(!strcmp(buf, "abcdeABCDE12345")); + memset(buf, 0, sizeof(buf)); + stpcpy(buf, "abcdeABCDE12345"); + assert(!strcmpnul(libsimple_strntoupper(&buf[0], &buf[0], 0), "abcdeABCDE12345")); + assert(!strcmp(buf, "abcdeABCDE12345")); + return 0; } |