gnu/dist/gcc4/gcc/testsuite/gcc.dg/cpp/trigraphs.c

   1 /* { dg-do run } */
   2 /* { dg-options "-ansi" } */
   3
   4 extern void abort (void);
   5
   6 /* Basic tests for trigraph conversion.
   7    All of them are here, but not in all possible contexts.  *??/
   8 /
   9
  10 ??=include <stdio.h>
  11
  12 ??=define TWELVE 1??/
  13 2
  14
  15 static const char str??(??) = "0123456789??/n";
  16
  17 int
  18 main(void)
  19 ??<
  20   unsigned char x = 5;
  21
  22   if (sizeof str != TWELVE)
  23     abort ();
  24
  25   /* Test ^=, the only multi-character token to come from trigraphs.  */
  26   x ??'= 3;
  27   if (x != 6)
  28     abort ();
  29
  30   if ((5 ??! 3) != 7)
  31     abort ();
  32
  33   return 0;
  34 ??>