clang/test/Sema/suspicious-pragma-pack.c

   1 // RUN: %clang_cc1 -triple i686-apple-darwin9 -fsyntax-only -Wpragma-pack -I %S/Inputs -DSAFE -verify %s
   2 // RUN: %clang_cc1 -triple i686-apple-darwin9 -fsyntax-only -Wpragma-pack -I %S/Inputs -DPUSH_HERE -DSAFE -verify %s
   3 // RUN: %clang_cc1 -triple i686-apple-darwin9 -fsyntax-only -Wpragma-pack -I %S/Inputs -DPUSH_HERE -DPUSH_SET_HERE -verify %s
   4 // RUN: %clang_cc1 -triple i686-apple-darwin9 -fsyntax-only -Wpragma-pack -I %S/Inputs -DPUSH_HERE -DRESET_HERE -DSAFE -verify %s
   5 // RUN: %clang_cc1 -triple i686-apple-darwin9 -fsyntax-only -Wpragma-pack -I %S/Inputs -DPUSH_HERE -DSET_FIRST_HEADER -DWARN_MODIFIED_HEADER -verify %s
   6 // RUN: %clang_cc1 -triple i686-apple-darwin9 -fsyntax-only -Wpragma-pack -I %S/Inputs -DPUSH_HERE -DRESET_HERE -DSET_FIRST_HEADER -DWARN_MODIFIED_HEADER -verify %s
   7 // RUN: %clang_cc1 -triple i686-apple-darwin9 -fsyntax-only -Wpragma-pack -I %S/Inputs -DPUSH_HERE -DPUSH_SET_HERE -DSET_FIRST_HEADER -DWARN_MODIFIED_HEADER -verify %s
   8 // RUN: %clang_cc1 -triple i686-apple-darwin9 -fsyntax-only -Wpragma-pack -I %S/Inputs -DPUSH_HERE -DPUSH_SET_HERE -DSET_SECOND_HEADER -DWARN_MODIFIED_HEADER -verify %s
   9 // RUN: %clang_cc1 -triple i686-apple-darwin9 -fsyntax-only -Wpragma-pack -I %S/Inputs -DPUSH_HERE -DPUSH_SET_HERE -DSET_FIRST_HEADER -DSET_SECOND_HEADER -DWARN_MODIFIED_HEADER -verify %s
  10
  11 // RUN: %clang_cc1 -triple i686-apple-darwin9 -fsyntax-only -Wpragma-pack -I %S/Inputs -DPUSH_POP_FIRST_HEADER -DSAFE -verify %s
  12
  13 // RUN: %clang_cc1 -triple i686-apple-darwin9 -fsyntax-only -Wpragma-pack -I %S/Inputs -DPUSH_SET_HERE -DNO_RECORD_1 -DNO_RECORD_2 -DSAFE -verify %s
  14 // RUN: %clang_cc1 -triple i686-apple-darwin9 -fsyntax-only -Wpragma-pack-suspicious-include -I %S/Inputs -DPUSH_SET_HERE -DNO_RECORD_1 -verify %s
  15 // RUN: %clang_cc1 -triple i686-apple-darwin9 -fsyntax-only -Wpragma-pack -Wno-pragma-pack-suspicious-include -I %S/Inputs -DPUSH_SET_HERE -DNO_RECORD_1 -DSAFE -verify %s
  16
  17 #ifdef SAFE
  18 // expected-no-diagnostics
  19 #endif
  20
  21 #ifdef PUSH_HERE
  22 #pragma pack (push)
  23 #endif
  24
  25 #ifdef PUSH_SET_HERE
  26 #pragma pack (push, 4)
  27 #ifndef SAFE
  28 // expected-note@-2 {{previous '#pragma pack' directive that modifies alignment is here}}
  29 // expected-warning@+9 {{non-default #pragma pack value changes the alignment of struct or union members in the included file}}
  30 #endif
  31 #endif
  32
  33 #ifdef RESET_HERE
  34 #pragma pack (4)
  35 #pragma pack () // no warning after reset as the value is default.
  36 #endif
  37
  38 #include "pragma-pack1.h"
  39
  40 #ifdef WARN_MODIFIED_HEADER
  41 // expected-warning@-3 {{the current #pragma pack alignment value is modified in the included file}}
  42 #endif
  43
  44 #ifdef PUSH_SET_HERE
  45 #pragma pack (pop)
  46 #endif
  47
  48 #ifdef PUSH_HERE
  49 #pragma pack (pop)
  50 #endif