|  | // RUN: %clang_cc1 -fsyntax-only -Wno-header-guard %s | 
|  | // RUN: %clang_cc1 -fsyntax-only -Wheader-guard %s 2>&1 | FileCheck %s | 
|  |  | 
|  | #include "Inputs/good-header-guard.h" | 
|  | #include "Inputs/no-define.h" | 
|  | #include "Inputs/different-define.h" | 
|  | #include "Inputs/out-of-order-define.h" | 
|  | #include "Inputs/tokens-between-ifndef-and-define.h" | 
|  | #include "Inputs/unlikely-to-be-header-guard.h" | 
|  |  | 
|  | #include "Inputs/bad-header-guard.h" | 
|  | // CHECK: In file included from {{.*}}header.cpp:{{[0-9]*}}: | 
|  | // 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 | 
|  | // CHECK: {{^}}#ifndef bad_header_guard | 
|  | // CHECK: {{^}}        ^~~~~~~~~~~~~~~~ | 
|  | // CHECK: {{.*}}bad-header-guard.h:2:9: note: 'bad_guard' is defined here; did you mean 'bad_header_guard'? | 
|  | // CHECK: {{^}}#define bad_guard | 
|  | // CHECK: {{^}}        ^~~~~~~~~ | 
|  | // CHECK: {{^}}        bad_header_guard | 
|  |  | 
|  | #include "Inputs/bad-header-guard-defined.h" | 
|  | // CHECK: In file included from {{.*}}header.cpp:{{[0-9]*}}: | 
|  | // CHECK: {{.*}}bad-header-guard-defined.h:1:2: warning: 'foo' is used as a header guard here, followed by #define of a different macro | 
|  | // CHECK: {{^}}#if !defined(foo) | 
|  | // CHECK: {{^}} ^~ | 
|  | // CHECK: {{.*}}bad-header-guard-defined.h:2:9: note: 'goo' is defined here; did you mean 'foo'? | 
|  | // CHECK: {{^}}#define goo | 
|  | // CHECK: {{^}}        ^~~ | 
|  | // CHECK: {{^}}        foo | 
|  |  | 
|  | #include "Inputs/multiple.h" | 
|  | #include "Inputs/multiple.h" | 
|  | #include "Inputs/multiple.h" | 
|  | #include "Inputs/multiple.h" | 
|  | // CHECK: In file included from {{.*}}header.cpp:{{[0-9]*}}: | 
|  | // CHECK: {{.*}}multiple.h:1:9: warning: 'multiple' is used as a header guard here, followed by #define of a different macro | 
|  | // CHECK: {{^}}#ifndef multiple | 
|  | // CHECK: {{^}}        ^~~~~~~~ | 
|  | // CHECK: {{.*}}multiple.h:2:9: note: 'multi' is defined here; did you mean 'multiple'? | 
|  | // CHECK: {{^}}#define multi | 
|  | // CHECK: {{^}}        ^~~~~ | 
|  | // CHECK: {{^}}        multiple | 
|  |  | 
|  | // CHECK: 3 warnings generated. |