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