sdcc/support/regression/tests/bug-2239.c

   1 /*
   2   bug-2239.c
   3 */
   4
   5 #include <testfwk.h>
   6
   7 static unsigned short buf[] = {0x8765, 0xa5a5, 0xc3c3, 0xf0f0, 0xabcd};
   8
   9 void testBug(void)
  10 {
  11   unsigned char *p = ((unsigned char *) buf) + 4;
  12   ASSERT (*((unsigned char *) (p + 2 - 4)) == 0xa5);
  13   ASSERT (*((unsigned char *) (p - 2)) == 0xa5);
  14   ASSERT (*((unsigned short *) (p + 3 - 7)) == 0x8765);
  15   ASSERT (*((unsigned short *) (p - 4)) == 0x8765);
  16   ASSERT (*((unsigned char *) (p - 2 + 4)) == 0xf0);
  17   ASSERT (*((unsigned char *) (p + 2)) == 0xf0);
  18   ASSERT (*((unsigned short *) (p - 3 + 7)) == 0xabcd);
  19   ASSERT (*((unsigned short *) (p + 4)) == 0xabcd);
  20 }