sdcc/support/regression/tests/bug3223041.c

   1 /*
   2  * bug3223041.c
   3  */
   4
   5 #include <testfwk.h>
   6
   7 #ifdef __SDCC
   8 #pragma std_sdcc99
   9 #endif
  10
  11 #include <stdbool.h>
  12
  13 #if 0
  14 #define CAST(x) (x ? true : false)
  15 #else
  16 #define CAST(x) (x)
  17 #endif
  18
  19 bool and(bool a, bool b, bool c, bool d)
  20 {
  21         return a & b & c & d;
  22 }
  23
  24 bool or(bool a, bool b, bool c, bool d)
  25 {
  26         return a | b | c | d;
  27 }
  28
  29 bool xor(bool a, bool b, bool c, bool d)
  30 {
  31         return a ^ b ^ c ^ d;
  32 }
  33
  34 void
  35 testBug(void)
  36 {
  37         unsigned char i, x;
  38         for (i=0; i<16; i++)
  39         {
  40                 ASSERT( and(CAST(i&0x01), CAST(i&0x02), CAST(i&0x04), CAST(i&0x08)) == (i==15) );
  41                 ASSERT( or (CAST(i&0x01), CAST(i&0x02), CAST(i&0x04), CAST(i&0x08)) == (i!= 0) );
  42                 x = i ^ (i>>1);
  43                 x = x ^ (x>>2);
  44                 ASSERT( xor(CAST(i&0x01), CAST(i&0x02), CAST(i&0x04), CAST(i&0x08)) == (x & 0x01) );
  45         }
  46 }