sdcc/support/regression/tests/bug-227710.c

   1 /* bug-227710.c
   2  */
   3 #include <testfwk.h>
   4
   5 static unsigned char dataset[] = {
   6     1, 2, 3, 4
   7 };
   8
   9 unsigned char *p;
  10
  11 struct {
  12     unsigned char index;
  13 } s;
  14
  15 unsigned char
  16 foo(void)
  17 {
  18     // BUG, there will be a PRE-increment
  19     return p[s.index++];
  20 }
  21
  22 void
  23 testPostIncrement(void)
  24 {
  25     p = dataset;
  26     ASSERT(foo() == 1);
  27     ASSERT(foo() == 2);
  28     ASSERT(foo() == 3);
  29     ASSERT(foo() == 4);
  30 }