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
