sdcc/support/regression/tests/generic.c

   1 /*
   2    C11 generic associations
   3 */
   4
   5 #include <testfwk.h>
   6
   7 int i;
   8 long l;
   9 enum {e};
  10 typedef char t;
  11 t c;
  12
  13 void testGeneric(void)
  14 {
  15 #if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L
  16   ASSERT (_Generic(i, default : 0, int : 1, long : 2) == 1);
  17   ASSERT (_Generic(l, default : 0, int : 1, long int : 2) == 2);
  18   ASSERT (_Generic(l, default : 0, int : 1, char : 2) == 0);
  19   ASSERT (_Generic('c', default : 0, int : 1, char : 2) == 1);
  20   ASSERT (_Generic(7, default : 0, int : 1, char : 2) == 1);
  21   ASSERT (_Generic(e, default : 0, int : 1, char : 2) == 1);
  22   ASSERT (_Generic(c, default : 0, int : 1, char : 2) == 2);
  23   ASSERT (_Generic("c"[0], char : 1, default : 0) == _Generic(c, char : 1, default : 0)); // There once was a bug where the sign of plain char different from the sign of char in string literals.
  24 #endif
  25 }
  26
  27 #ifdef __SDCC
  28 _Pragma("save")
  29 _Pragma("std_c2y") // generic selection with a type name is a C2y feature
  30 #endif
  31
  32 void testGenericWithType(void)
  33 {
  34 #ifdef __SDCC
  35   const int i = 0;
  36   ASSERT (_Generic(typeof(i), int : 0, const int : 1, default : 2) == 1);
  37 #endif
  38 }
  39
  40 #ifdef __SDCC
  41 _Pragma("restore")
  42 #endif