================
@@ -0,0 +1,108 @@
+#include "header-guard/include/correct.hpp"
+#include "header-guard/include/missing.hpp"
+#include "header-guard/include/wrong.hpp"
+
+#include "header-guard/other/correct.hpp"
+#include "header-guard/other/missing.hpp"
+#include "header-guard/other/wrong.hpp"
+
+// ---------------------------------------
+// TEST 1: Use no config options (default)
+// ---------------------------------------
+// RUN: %check_clang_tidy %s llvm-header-guard %t -export-fixes=%t.1.yaml
--header-filter=.* -- -I%S > %t.1.msg 2>&1
+// RUN: FileCheck -input-file=%t.1.msg -check-prefix=CHECK-MESSAGES1 %s
+// RUN: FileCheck -input-file=%t.1.yaml -check-prefix=CHECK-YAML1 %s
+
+// CHECK-MESSAGES1: header-guard/include/missing.hpp:1:1: warning: header is
missing header guard [llvm-header-guard]
+// CHECK-MESSAGES1: header-guard/other/missing.hpp:1:1: warning: header is
missing header guard [llvm-header-guard]
+// CHECK-MESSAGES1: header-guard/include/wrong.hpp:1:9: warning: header guard
does not follow preferred style [llvm-header-guard]
+// CHECK-MESSAGES1: header-guard/other/wrong.hpp:1:9: warning: header guard
does not follow preferred style [llvm-header-guard]
+
+// CHECK-YAML1: Message: header is missing header guard
+// CHECK-YAML1: FilePath: '{{.*}}/header-guard/include/missing.hpp'
+// CHECK-YAML1: ReplacementText: "#ifndef MISSING_HPP\n#define
MISSING_HPP\n\n\n#endif\n"
+// CHECK-YAML1: Message: header guard does not follow preferred style
+// CHECK-YAML1: FilePath: '{{.*}}/header-guard/include/wrong.hpp'
+// CHECK-YAML1: ReplacementText: WRONG_HPP
+
+// CHECK-YAML1: Message: header is missing header guard
+// CHECK-YAML1: FilePath: '{{.*}}/header-guard/other/missing.hpp'
+// CHECK-YAML1: ReplacementText: "#ifndef
LLVM_HEADER_GUARD_OTHER_MISSING_HPP\n#define
LLVM_HEADER_GUARD_OTHER_MISSING_HPP\n\n\n#endif\n"
+// CHECK-YAML1: Message: header guard does not follow preferred style
+// CHECK-YAML1: FilePath: '{{.*}}/header-guard/other/wrong.hpp'
+// CHECK-YAML1: ReplacementText: LLVM_HEADER_GUARD_OTHER_WRONG_HPP
+
+// ---------------------------------------
+// TEST 2: Set option HeaderDirs=other
+// ---------------------------------------
+// RUN: %check_clang_tidy %s llvm-header-guard %t -export-fixes=%t.2.yaml
--header-filter=.* \
+// RUN: --config='{CheckOptions: { \
+// RUN: llvm-header-guard.HeaderDirs: other, \
+// RUN: }}' -- -I%S > %t.2.msg 2>&1
+// RUN: FileCheck -input-file=%t.2.msg -check-prefix=CHECK-MESSAGES2 %s
+// RUN: FileCheck -input-file=%t.2.yaml -check-prefix=CHECK-YAML2 %s
+
+// CHECK-MESSAGES2: header-guard/include/correct.hpp:1:9: warning: header
guard does not follow preferred style [llvm-header-guard]
+// CHECK-MESSAGES2: header-guard/other/correct.hpp:1:9: warning: header guard
does not follow preferred style [llvm-header-guard]
+// CHECK-MESSAGES2: header-guard/include/missing.hpp:1:1: warning: header is
missing header guard [llvm-header-guard]
+// CHECK-MESSAGES2: header-guard/other/missing.hpp:1:1: warning: header is
missing header guard [llvm-header-guard]
+// CHECK-MESSAGES2: header-guard/include/wrong.hpp:1:9: warning: header guard
does not follow preferred style [llvm-header-guard]
+// CHECK-MESSAGES2: header-guard/other/wrong.hpp:1:9: warning: header guard
does not follow preferred style [llvm-header-guard]
+
+// CHECK-YAML2: Message: header guard does not follow preferred style
+// CHECK-YAML2: FilePath: '{{.*}}/header-guard/include/correct.hpp'
+// CHECK-YAML2: ReplacementText: LLVM_HEADER_GUARD_INCLUDE_CORRECT_HPP
+// CHECK-YAML2: Message: header is missing header guard
+// CHECK-YAML2: FilePath: '{{.*}}/header-guard/include/missing.hpp'
+// CHECK-YAML2: ReplacementText: "#ifndef
LLVM_HEADER_GUARD_INCLUDE_MISSING_HPP\n#define
LLVM_HEADER_GUARD_INCLUDE_MISSING_HPP\n\n\n#endif\n"
+// CHECK-YAML2: Message: header guard does not follow preferred style
+// CHECK-YAML2: FilePath: '{{.*}}/header-guard/include/wrong.hpp'
+// CHECK-YAML2: ReplacementText: LLVM_HEADER_GUARD_INCLUDE_WRONG_HPP
+
+// CHECK-YAML2: Message: header guard does not follow preferred style
+// CHECK-YAML2: FilePath: '{{.*}}/header-guard/other/correct.hpp'
+// CHECK-YAML2: ReplacementText: CORRECT_HPP
+// CHECK-YAML2: Message: header is missing header guard
+// CHECK-YAML2: FilePath: '{{.*}}/header-guard/other/missing.hpp'
+// CHECK-YAML2: ReplacementText: "#ifndef MISSING_HPP\n#define
MISSING_HPP\n\n\n#endif\n"
+// CHECK-YAML2: Message: header guard does not follow preferred style
+// CHECK-YAML2: FilePath: '{{.*}}/header-guard/other/wrong.hpp'
+// CHECK-YAML2: ReplacementText: WRONG_HPP
+
+
+// ---------------------------------------
+// TEST 3: Set option HeaderDirs=include;other
+// ---------------------------------------
+// RUN: %check_clang_tidy %s llvm-header-guard %t -export-fixes=%t.3.yaml
--header-filter=.* \
+// RUN: --config='{CheckOptions: { \
+// RUN: llvm-header-guard.HeaderDirs: include;other, \
+// RUN: }}' -- -I%S > %t.3.msg 2>&1
+// RUN: FileCheck -input-file=%t.3.msg -check-prefix=CHECK-MESSAGES3 %s
+// RUN: FileCheck -input-file=%t.3.yaml -check-prefix=CHECK-YAML3 %s
+
+// CHECK-MESSAGES2: header-guard/include/correct.hpp:1:9: warning: header
guard does not follow preferred style [llvm-header-guard]
+// CHECK-MESSAGES2: header-guard/other/correct.hpp:1:9: warning: header guard
does not follow preferred style [llvm-header-guard]
+// CHECK-MESSAGES3: header-guard/include/missing.hpp:1:1: warning: header is
missing header guard [llvm-header-guard]
+// CHECK-MESSAGES3: header-guard/other/missing.hpp:1:1: warning: header is
missing header guard [llvm-header-guard]
+// CHECK-MESSAGES3: header-guard/include/wrong.hpp:1:9: warning: header guard
does not follow preferred style [llvm-header-guard]
+// CHECK-MESSAGES3: header-guard/other/wrong.hpp:1:9: warning: header guard
does not follow preferred style [llvm-header-guard]
+
+// CHECK-YAML3: Message: header is missing header guard
+// CHECK-YAML3: FilePath: '{{.*}}/header-guard/include/missing.hpp'
+// CHECK-YAML3: ReplacementText: "#ifndef MISSING_HPP\n#define
MISSING_HPP\n\n\n#endif\n"
+// CHECK-YAML3: Message: header guard does not follow preferred style
+// CHECK-YAML3: FilePath: '{{.*}}/header-guard/include/wrong.hpp'
+// CHECK-YAML3: ReplacementText: WRONG_HPP
+
+// CHECK-YAML3: Message: header guard does not follow preferred style
+// CHECK-YAML3: FilePath: '{{.*}}/header-guard/other/correct.hpp'
+// CHECK-YAML3: ReplacementText: CORRECT_HPP
+// CHECK-YAML3: Message: header is missing header guard
+// CHECK-YAML3: FilePath: '{{.*}}/header-guard/other/missing.hpp'
+// CHECK-YAML3: ReplacementText: "#ifndef MISSING_HPP\n#define
MISSING_HPP\n\n\n#endif\n"
+// CHECK-YAML3: Message: header guard does not follow preferred style
+// CHECK-YAML3: FilePath: '{{.*}}/header-guard/other/wrong.hpp'
+// CHECK-YAML3: ReplacementText: WRONG_HPP
+
+
+
----------------
EugeneZelenko wrote:
```suggestion
```
https://github.com/llvm/llvm-project/pull/176940
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