header.cpp revision 4196019db7a9b22d09c31a290c49d45eab2fa1d3 
1// RUN: %clang_cc1 -fsyntax-only -Wno-header-guard %s
2// RUN: %clang_cc1 -fsyntax-only -Wheader-guard %s 2>&1 | FileCheck %s
3
4#include "Inputs/good-header-guard.h"
5#include "Inputs/no-define.h"
6#include "Inputs/different-define.h"
7#include "Inputs/out-of-order-define.h"
8#include "Inputs/tokens-between-ifndef-and-define.h"
9
10#include "Inputs/bad-header-guard.h"
11// CHECK: In file included from {{.*}}header.cpp:{{[0-9]*}}:
12// CHECK: {{.*}}bad-header-guard.h:1:9: warning: 'bad_header_guard' is used as a header guard here, followed by #define of a different macro
13// CHECK: {{^}}#ifndef bad_header_guard
14// CHECK: {{^}}        ^~~~~~~~~~~~~~~~
15// CHECK: {{.*}}bad-header-guard.h:2:9: note: 'bad_guard' is defined here; did you mean 'bad_header_guard'?
16// CHECK: {{^}}#define bad_guard
17// CHECK: {{^}}        ^~~~~~~~~
18// CHECK: {{^}}        bad_header_guard
19
20#include "Inputs/bad-header-guard-defined.h"
21// CHECK: In file included from {{.*}}header.cpp:{{[0-9]*}}:
22// CHECK: {{.*}}bad-header-guard-defined.h:1:2: warning: 'foo' is used as a header guard here, followed by #define of a different macro
23// CHECK: {{^}}#if !defined(foo)
24// CHECK: {{^}} ^~
25// CHECK: {{.*}}bad-header-guard-defined.h:2:9: note: 'goo' is defined here; did you mean 'foo'?
26// CHECK: {{^}}#define goo
27// CHECK: {{^}}        ^~~
28// CHECK: {{^}}        foo
29
30#include "Inputs/multiple.h"
31#include "Inputs/multiple.h"
32#include "Inputs/multiple.h"
33#include "Inputs/multiple.h"
34// CHECK: In file included from {{.*}}header.cpp:{{[0-9]*}}:
35// CHECK: {{.*}}multiple.h:1:9: warning: 'multiple' is used as a header guard here, followed by #define of a different macro
36// CHECK: {{^}}#ifndef multiple
37// CHECK: {{^}}        ^~~~~~~~
38// CHECK: {{.*}}multiple.h:2:9: note: 'multi' is defined here; did you mean 'multiple'?
39// CHECK: {{^}}#define multi
40// CHECK: {{^}}        ^~~~~
41// CHECK: {{^}}        multiple
42
43// CHECK: 3 warnings generated.
44