gnu/dist/gcc4/gcc/testsuite/gcc.dg/cpp/trad/funlike-2.c

   1 /* Test that nested commas and parentheses in macro arguments are
   2    OK.  */
   3
   4 /* { dg-do preprocess } */
   5
   6 #define f(x) x
   7 #define g(x, y) x y
   8
   9 #if f((1)) != 1
  10 # error         /* { dg-bogus "error" "nested parens 1" } */
  11 #endif
  12
  13 #if f((1, 2)) != 2
  14 # error         /* { dg-bogus "error" "nested comma 1" } */
  15 #endif
  16
  17 #if g(, (1)) != 1
  18 # error         /* { dg-bogus "error" "nested parens 2" } */
  19 #endif
  20
  21 #if g((1, 2), + 3) != 5
  22 # error         /* { dg-bogus "error" "nested comma 2" } */
  23 #endif