src/tests/system/libroot/posix/tst-swprintf.c

   1 #include <stdio.h>
   2 #include <wchar.h>
   3 #include <sys/types.h>
   4
   5 static wchar_t buf[100];
   6 #define nbuf (sizeof (buf) / sizeof (buf[0]))
   7 static const struct {
   8         size_t n;
   9         const char *str;
  10         ssize_t exp;
  11 } tests[] = {
  12         { nbuf, "hello world", 11 },
  13         { 0, "hello world", -1 },
  14         { 0, "", -1 },
  15         { nbuf, "", 0 }
  16 };
  17
  18
  19 int
  20 main(int argc, char *argv[])
  21 {
  22         size_t n;
  23         int result = 0;
  24
  25         puts("test 1");
  26         n = swprintf(buf, nbuf,L"Hello %s" , "world");
  27         if (n != 11)
  28         {
  29                 printf ("incorrect return value: %zd instead of 11\n", n);
  30                 result = 1;
  31         }
  32         else if (wcscmp(buf, L"Hello world") != 0)
  33         {
  34                 printf("incorrect string: L\"%ls\" instead of L\"Hello world\"\n", buf);
  35                 result = 1;
  36     }
  37         puts ("test 2");
  38         n = swprintf(buf, nbuf, L"Is this >%g< 3.1?", 3.1);
  39         if (n != 18) {
  40                 printf("incorrect return value: %zd instead of 18\n", n);
  41                 result = 1;
  42         } else if (wcscmp (buf, L"Is this >3.1< 3.1?") != 0) {
  43                 printf("incorrect string: L\"%ls\" instead of L\"Is this >3.1< 3.1?\"\n",
  44                         buf);
  45                 result = 1;
  46     }
  47
  48         for (n = 0; n < sizeof(tests) / sizeof(tests[0]); ++n) {
  49                 ssize_t res = swprintf(buf, tests[n].n, L"%s", tests[n].str);
  50
  51                 if (tests[n].exp < 0 && res >= 0) {
  52                         printf("swprintf (buf, %Zu, L\"%%s\", \"%s\") expected to fail\n",
  53                                 tests[n].n, tests[n].str);
  54                         result = 1;
  55                 } else if (tests[n].exp >= 0 && tests[n].exp != res) {
  56                         printf("swprintf (buf, %Zu, L\"%%s\", \"%s\") expected to return %Zd, but got %Zd\n",
  57                                 tests[n].n, tests[n].str, tests[n].exp, res);
  58                         result = 1;
  59                 } else {
  60                         printf("swprintf (buf, %Zu, L\"%%s\", \"%s\") OK\n", tests[n].n,
  61                                 tests[n].str);
  62                 }
  63         }
  64
  65         if (swprintf(buf, nbuf, L"%.0s", "foo") != 0 || wcslen(buf) != 0) {
  66                 printf("swprintf (buf, %Zu, L\"%%.0s\", \"foo\") create some output\n",
  67                         nbuf);
  68                 result = 1;
  69         }
  70
  71         if (swprintf(buf, nbuf, L"%.0ls", L"foo") != 0 || wcslen(buf) != 0) {
  72                 printf("swprintf (buf, %Zu, L\"%%.0ls\", L\"foo\") create some output\n",
  73                         nbuf);
  74                 result = 1;
  75         }
  76
  77         return result;
  78 }