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

   1 /* getbyte/getword
   2     sign: unsigned, signed
   3 */
   4
   5 #include <testfwk.h>
   6 #include <stdint.h>
   7
   8 {sign} long global = ({sign} long)0x12345678;
   9
  10 void testGet(void)
  11 {
  12     ASSERT (((global >>  0) & 0xFF) == 0x78);               // getByte 0
  13     ASSERT (((global >>  8) & 0xFF) == 0x56);               // getByte 1
  14     ASSERT (((global >> 16) & 0xFF) == 0x34);               // getByte 2
  15     ASSERT (((global >> 24) & 0xFF) == 0x12);               // getByte 3
  16 #if !defined(__SDCC_pdk14) // Lack of memory - see RFE #617.
  17     ASSERT (((global >>  0) & 0xFFFF) == 0x5678);           // getWord 0
  18     ASSERT (((global >>  8) & 0xFFFF) == 0x3456);           // getWord 1
  19     ASSERT (((global >> 16) & 0xFFFF) == 0x1234);           // getWord 2
  20
  21     ASSERT ((uint8_t)(global >>  0) == (uint8_t)0x78);      // getByte 0
  22     ASSERT ((uint8_t)(global >>  8) == (uint8_t)0x56);      // getByte 1
  23     ASSERT ((uint8_t)(global >> 16) == (uint8_t)0x34);      // getByte 2
  24     ASSERT ((uint8_t)(global >> 24) == (uint8_t)0x12);      // getByte 3
  25
  26     ASSERT ((uint16_t)(global >>  0) == (uint16_t)0x5678);  // getWord 0
  27     ASSERT ((uint16_t)(global >>  8) == (uint16_t)0x3456);  // getWord 1
  28     ASSERT ((uint16_t)(global >> 16) == (uint16_t)0x1234);  // getWord 2
  29 #endif
  30 }