sdcc/support/regression/tests/bug-3474.c

   1 /* bug-3474.c
   2    strtoul failed to report the error for some overflow corner cases.
   3  */
   4
   5 #include <testfwk.h>
   6
   7 #include <stdlib.h>
   8 #include <limits.h>
   9 #include <errno.h>
  10
  11 void
  12 testBug (void)
  13 {
  14 #if ULONG_MAX <= 0xffffffff
  15 #if !defined(__SDCC_pdk14) && !defined(__SDCC_pdk15) && !defined(__SDCC_mcs51) // Lack of memory. TODO: Enable once strtoul uses a more efficient implementation.
  16         char s[] = "5000000000";
  17         unsigned long l = strtoul(s, NULL, 10);
  18         ASSERT(l == ULONG_MAX);
  19         ASSERT(errno == ERANGE);
  20 #endif
  21 #endif
  22 }
  23