add unit test

This commit is contained in:
Felix von Leitner 2018-09-30 19:29:31 +00:00
parent 2c4e279f1e
commit eb4d3afbea
1 changed files with 14 additions and 0 deletions

View File

@ -15,3 +15,17 @@ size_t str_chr(const char *in, char needle) {
}
return (size_t)(t-in);
}
#ifdef UNITTEST
#include <assert.h>
#include <string.h>
int main() {
char buf[100];
strcpy(buf,"abcdefghijklmnopqrstuvwxyz");
size_t i;
for (i=0; i<26; ++i)
assert(str_chr(buf,buf[i])==i);
assert(str_chr(buf,'X')==26);
}
#endif