xref: /llvm-project/clang-tools-extra/test/clang-tidy/checkers/misc/header-include-cycle.cpp (revision 5523fefb01c282c4cbcaf6314a9aaf658c6c145f)
1 // RUN: rm -rf %T/misc-header-include-cycle-headers
2 // RUN: mkdir %T/misc-header-include-cycle-headers
3 // RUN: cp -r %S/Inputs/header-include-cycle* %T/misc-header-include-cycle-headers/
4 // RUN: mkdir %T/misc-header-include-cycle-headers/system
5 // RUN: cp -r %S/Inputs/system/header-include-cycle* %T/misc-header-include-cycle-headers/system
6 // RUN: cp %s %T/header-include-cycle.cpp
7 // RUN: clang-tidy %T%{fs-sep}header-include-cycle.cpp -checks='-*,misc-header-include-cycle' -header-filter=.* \
8 // RUN: -config="{CheckOptions: {misc-header-include-cycle.IgnoredFilesList: 'header-include-cycle.self-e.hpp'}}" \
9 // RUN: -- -I%T%{fs-sep}misc-header-include-cycle-headers -isystem %T%{fs-sep}misc-header-include-cycle-headers%{fs-sep}system \
10 // RUN: --include %T%{fs-sep}misc-header-include-cycle-headers%{fs-sep}header-include-cycle.self-i.hpp | FileCheck %s \
11 // RUN: -check-prefix=CHECK-MESSAGES "-implicit-check-not={{note|warning|error}}:" --dump-input=fail
12 // RUN: rm -rf %T/misc-header-include-cycle-headers
13 
14 #ifndef MAIN_GUARD
15 #define MAIN_GUARD
16 
17 #include "header-include-cycle.cpp"
18 // CHECK-MESSAGES: :[[@LINE-1]]:10: warning: direct self-inclusion of header file 'header-include-cycle.cpp' [misc-header-include-cycle]
19 
20 #include <header-include-cycle.first-d.hpp>
21 // CHECK-MESSAGES: header-include-cycle.fourth-d.hpp:3:10: warning: circular header file dependency detected while including 'header-include-cycle.first-d.hpp', please check the include path [misc-header-include-cycle]
22 // CHECK-MESSAGES: header-include-cycle.third-d.hpp:3:10: note: 'header-include-cycle.fourth-d.hpp' included from here
23 // CHECK-MESSAGES: header-include-cycle.second-d.hpp:3:10: note: 'header-include-cycle.third-d.hpp' included from here
24 // CHECK-MESSAGES: header-include-cycle.first-d.hpp:3:10: note: 'header-include-cycle.second-d.hpp' included from here
25 // CHECK-MESSAGES: :[[@LINE-5]]:10: note: 'header-include-cycle.first-d.hpp' included from here
26 
27 #include <header-include-cycle.first.hpp>
28 // CHECK-MESSAGES: header-include-cycle.fourth.hpp:2:10: warning: circular header file dependency detected while including 'header-include-cycle.first.hpp', please check the include path [misc-header-include-cycle]
29 // CHECK-MESSAGES: header-include-cycle.third.hpp:2:10: note: 'header-include-cycle.fourth.hpp' included from here
30 // CHECK-MESSAGES: header-include-cycle.second.hpp:2:10: note: 'header-include-cycle.third.hpp' included from here
31 // CHECK-MESSAGES: header-include-cycle.first.hpp:2:10: note: 'header-include-cycle.second.hpp' included from here
32 // CHECK-MESSAGES: :[[@LINE-5]]:10: note: 'header-include-cycle.first.hpp' included from here
33 
34 #include <header-include-cycle.self-d.hpp>
35 // CHECK-MESSAGES: header-include-cycle.self-d.hpp:3:10: warning: direct self-inclusion of header file 'header-include-cycle.self-d.hpp' [misc-header-include-cycle]
36 
37 // CHECK-MESSAGES: header-include-cycle.self-i.hpp:2:10: warning: direct self-inclusion of header file 'header-include-cycle.self-i.hpp' [misc-header-include-cycle]
38 
39 #include <header-include-cycle.self-o.hpp>
40 // CHECK-MESSAGES: header-include-cycle.self-n.hpp:2:10: warning: direct self-inclusion of header file 'header-include-cycle.self-n.hpp' [misc-header-include-cycle]
41 
42 #include <header-include-cycle.self.hpp>
43 // CHECK-MESSAGES: header-include-cycle.self.hpp:2:10: warning: direct self-inclusion of header file 'header-include-cycle.self.hpp' [misc-header-include-cycle]
44 
45 // Should not warn about second include of guarded headers:
46 #include <header-include-cycle.first.hpp>
47 #include <header-include-cycle.first-d.hpp>
48 #include <header-include-cycle.self.hpp>
49 #include <header-include-cycle.self-d.hpp>
50 #include <header-include-cycle.self-o.hpp>
51 #include <header-include-cycle.self-n.hpp>
52 
53 // Should not warn about system includes
54 #include <header-include-cycle.first-s.hpp>
55 #include <header-include-cycle.self-s.hpp>
56 
57 // Should not warn about this excluded header
58 #include <header-include-cycle.self-e.hpp>
59 #endif
60