clang/test/Sema/pragma-pack.c

   1 // RUN: %clang_cc1 -triple i686-apple-darwin9 -fsyntax-only -verify %s
   2
   3 /* expected-warning {{value of #pragma pack(show) == 8}} */ #pragma pack(show)
   4 /* expected-warning {{expected #pragma pack parameter to be}} */ #pragma pack(3)
   5 /* expected-warning {{value of #pragma pack(show) == 8}} */ #pragma pack(show)
   6 #pragma pack(4)
   7 /* expected-warning {{value of #pragma pack(show) == 4}} */ #pragma pack(show)
   8 #pragma pack() // resets to default
   9 /* expected-warning {{value of #pragma pack(show) == 8}} */ #pragma pack(show)
  10 #pragma pack(2)
  11 #pragma pack(push, eek, 16) // -> (eek, 2), 16
  12 /* expected-warning {{value of #pragma pack(show) == 16}} */ #pragma pack(show)
  13 #pragma pack(push) // -> (eek, 2), (, 2), 16
  14 /* expected-warning {{value of #pragma pack(show) == 16}} */ #pragma pack(show)
  15 #pragma pack(1)
  16 #pragma pack(push, 8) // -> (eek, 2), (, 2), (, 1), 8
  17 /* expected-warning {{value of #pragma pack(show) == 8}} */ #pragma pack(show)
  18 #pragma pack(pop) // -> (eek, 2), (,2), 1
  19 /* expected-warning {{value of #pragma pack(show) == 1}} */ #pragma pack(show)
  20 #pragma pack(pop, eek)
  21 /* expected-warning {{value of #pragma pack(show) == 2}} */ #pragma pack(show)
  22 /* expected-warning {{pack(pop, ...) failed: stack empty}} */ #pragma pack(pop)
  23
  24 #pragma pack(push)
  25 #pragma pack(pop, 16)
  26 /* expected-warning {{value of #pragma pack(show) == 16}} */ #pragma pack(show)
  27
  28
  29 // Warn about unbalanced pushes.
  30 #pragma pack (push,4) // expected-warning {{unterminated '#pragma pack (push, ...)' at end of file}}
  31 #pragma pack (push)   // expected-warning {{unterminated '#pragma pack (push, ...)' at end of file}}
  32 #pragma pack () // expected-note {{did you intend to use '#pragma pack (pop)' instead of '#pragma pack()'?}}