fix iconv_open test

diff --git a/src/functional/iconv_open.c b/src/functional/iconv_open.c
index ade3ae6..8f6b285 100644 (file)
--- a/src/functional/iconv_open.c
+++ b/src/functional/iconv_open.c
@@ -12,12 +12,13 @@ int main(void)
        size_t inlen = strlen(inbuf);
        size_t outlen;
        size_t r;
+       char *bad = "bad-codeset";
 
-       cd = iconv_open("", "");
+       cd = iconv_open(bad, bad);
        if (cd != (iconv_t)-1)
-               t_error("iconv_open(\"\",\"\") didn't fail\n");
+               t_error("iconv_open(\"%s\",\"%s\") didn't fail\n", bad, bad);
        if (errno != EINVAL)
-               t_error("iconv_open(\"\",\"\") did not fail with EINVAL, got %s\n", strerror(errno));
+               t_error("iconv_open(\"%s\",\"%s\") did not fail with EINVAL, got %s\n", bad, bad, strerror(errno));
 
        errno = 0;
        cd = iconv_open("UTF-8", "UTF-8");