sdcc/support/regression/tests/strnlen.c

   1 /** tests for strnlen
   2 */
   3
   4 #include <testfwk.h>
   5
   6 #include <string.h>
   7
   8 const char* hello1 = "hello1";
   9 const char hello2[] = "hello2";
  10 char hello3[] = "hello3";
  11
  12 void
  13 testStr(void)
  14 {
  15 #if  defined(__SDCC) || (_POSIX_C_SOURCE >= 200809L) || (__STDC_VERSION_STRING_H__ > 202311L) // strnlen is a C2Y function previously vailable in POSIX.
  16   const char hello4[] = "hello4";
  17   const char hello5[7];
  18
  19   memcpy (hello5, hello4, 7);
  20
  21   ASSERT(strnlen("hello0", 23) == strlen("hello0"));
  22   ASSERT(strnlen(hello1, 23) == strlen(hello1));
  23   ASSERT(strnlen(hello2, 23) == strlen(hello2));
  24   ASSERT(strnlen(hello3, 23) == strlen(hello3));
  25   ASSERT(strnlen(hello4, 23) == strlen(hello4));
  26   ASSERT(strnlen(hello5, 23) == strlen(hello5));
  27
  28   ASSERT(strnlen("hello0", 3) == 3);
  29   ASSERT(strnlen(hello1, 3) == 3);
  30   ASSERT(strnlen(hello2, 3) == 3);
  31   ASSERT(strnlen(hello3, 3) == 3);
  32   ASSERT(strnlen(hello4, 3) == 3);
  33   ASSERT(strnlen(hello5, 3) == 3);
  34
  35   ASSERT(strnlen("hello0", 6) == 6);
  36   ASSERT(strnlen(hello1, 6) == 6);
  37   ASSERT(strnlen(hello2, 6) == 6);
  38   ASSERT(strnlen(hello3, 6) == 6);
  39   ASSERT(strnlen(hello4, 6) == 6);
  40   ASSERT(strnlen(hello5, 6) == 6);
  41
  42 #if !(defined (__SDCC_pdk15) && defined(__SDCC_STACK_AUTO)) // Lack of code memory
  43   ASSERT(strnlen("hello0", 7) == 6);
  44   ASSERT(strnlen(hello1, 7) == 6);
  45   ASSERT(strnlen(hello2, 7) == 6);
  46   ASSERT(strnlen(hello3, 7) == 6);
  47   ASSERT(strnlen(hello4, 7) == 6);
  48   ASSERT(strnlen(hello5, 7) == 6);
  49 #endif
  50 #endif
  51 }
  52