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

   1 /** Add, sub tests.
   2
   3     type: signed char, int, long
   4     storage: static,
   5     attr: volatile
   6 */
   7 #include <testfwk.h>
   8
   9 {type} add_func({type} i)
  10 {
  11         return(i + (5ul << 16));
  12 }
  13
  14 void
  15 testAdd(void)
  16 {
  17   {storage} {attr} {type} left, right, result;
  18
  19   left = 5;
  20   right = 26;
  21
  22   result = left+right;
  23   ASSERT(result == 31);
  24
  25   left = 39;
  26   right = -120;
  27
  28   result = left+right;
  29   ASSERT(result == (39-120));
  30
  31   left = -39;
  32   right = 80;
  33
  34   result = left+right;
  35   ASSERT(result == (-39+80));
  36
  37   left = -39;
  38   right = -70;
  39
  40   result = left+right;
  41   ASSERT(result == (-39-70));
  42
  43   result += 0xab00;
  44   ASSERT(result == ({type})(0xab00-39-70));
  45
  46   left = 0x5500;
  47   right = 0x0a00;
  48
  49   result = left + right;
  50   ASSERT(result == ({type})(0x5500 + 0x0a00));
  51
  52   left = 0x550000ul;
  53
  54   result = left + 0x0a0000ul;
  55   ASSERT(result == ({type})(0x550000ul + 0x0a0000ul));
  56
  57   ASSERT(add_func(0) == ({type})(5ul << 16));
  58 }
  59
  60 void
  61 testSub(void)
  62 {
  63 #if !(defined (__SDCC_pdk15) && defined(__SDCC_STACK_AUTO)) // Lack of code memory
  64   {storage} {attr} {type} left, right, result;
  65
  66   left = 5;
  67   right = 26;
  68
  69   result = left-right;
  70   ASSERT(result == (5-26));
  71
  72   left = 39;
  73   right = -76;
  74
  75   result = left-right;
  76   ASSERT(result == (39+76));
  77
  78   left = -12;
  79   right = 56;
  80
  81   result = left-right;
  82   ASSERT(result == (-12-56));
  83
  84   left = -39;
  85   right = -20;
  86
  87   result = left-right;
  88   ASSERT(result == (-39+20));
  89
  90   result = left-(signed)0x1200;
  91   ASSERT(result == ({type})(-39-(signed)0x1200));
  92 #endif
  93 }