sdcc/support/regression/tests/align.c.in

   1 /** Tests covering alignment operators.
   2
   3     sign: signed, unsigned
   4     type: char, int, long
   5 */
   6
   7 #include <testfwk.h>
   8
   9 #include <stddef.h>
  10
  11 #if defined (__SDCC) || __STDC_VERSION__ >= 201112L
  12 #include <stdalign.h>
  13 char alignas (0) alignas({sign} {type}) a;
  14 char alignas (int) alignas({sign} {type}) alignas(long) b;
  15 char alignas ({sign} {type}) alignas(0) c;
  16 #endif
  17
  18 void
  19 testAlignof(void)
  20 {
  21 #if defined (__SDCC) || __STDC_VERSION__ >= 201112L
  22   ASSERT(alignof(char) <= alignof({sign} {type}));
  23   ASSERT(alignof({sign} {type}) <= alignof(max_align_t));
  24
  25 #ifdef __SDCC
  26   /* sdcc currently only supports architectures that do not have alignment restrictions. */
  27   ASSERT(alignof({sign} {type})  == 1);
  28   ASSERT(alignof(max_align_t)  == 1);
  29 #endif
  30 #endif
  31 }
  32