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#include "Inputs/unlikely-to-be-header-guard.h" 10 11#include "Inputs/bad-header-guard.h" 12// CHECK: In file included from {{.*}}header.cpp:{{[0-9]*}}: 13// 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 14// CHECK: {{^}}#ifndef bad_header_guard 15// CHECK: {{^}} ^~~~~~~~~~~~~~~~ 16// CHECK: {{.*}}bad-header-guard.h:2:9: note: 'bad_guard' is defined here; did you mean 'bad_header_guard'? 17// CHECK: {{^}}#define bad_guard 18// CHECK: {{^}} ^~~~~~~~~ 19// CHECK: {{^}} bad_header_guard 20 21#include "Inputs/bad-header-guard-defined.h" 22// CHECK: In file included from {{.*}}header.cpp:{{[0-9]*}}: 23// CHECK: {{.*}}bad-header-guard-defined.h:1:2: warning: 'foo' is used as a header guard here, followed by #define of a different macro 24// CHECK: {{^}}#if !defined(foo) 25// CHECK: {{^}} ^~ 26// CHECK: {{.*}}bad-header-guard-defined.h:2:9: note: 'goo' is defined here; did you mean 'foo'? 27// CHECK: {{^}}#define goo 28// CHECK: {{^}} ^~~ 29// CHECK: {{^}} foo 30 31#include "Inputs/multiple.h" 32#include "Inputs/multiple.h" 33#include "Inputs/multiple.h" 34#include "Inputs/multiple.h" 35// CHECK: In file included from {{.*}}header.cpp:{{[0-9]*}}: 36// CHECK: {{.*}}multiple.h:1:9: warning: 'multiple' is used as a header guard here, followed by #define of a different macro 37// CHECK: {{^}}#ifndef multiple 38// CHECK: {{^}} ^~~~~~~~ 39// CHECK: {{.*}}multiple.h:2:9: note: 'multi' is defined here; did you mean 'multiple'? 40// CHECK: {{^}}#define multi 41// CHECK: {{^}} ^~~~~ 42// CHECK: {{^}} multiple 43 44// CHECK: 3 warnings generated. 45