1 // RUN: not clang-tidy -checks='-*,modernize-use-override' %s.nonexistent.cpp -- | FileCheck -check-prefix=CHECK1 -implicit-check-not='{{warning:|error:}}' %s
2 // RUN: not clang-tidy -checks='-*,clang-diagnostic-*,google-explicit-constructor' %s -- -fan-unknown-option | FileCheck -check-prefix=CHECK2 -implicit-check-not='{{warning:|error:}}' %s
3 // RUN: not clang-tidy -checks='-*,google-explicit-constructor,clang-diagnostic-literal-conversion' %s -- -fan-unknown-option | FileCheck -check-prefix=CHECK3 -implicit-check-not='{{warning:|error:}}' %s
4 // RUN: clang-tidy -checks='-*,modernize-use-override,clang-diagnostic-macro-redefined' %s -- -DMACRO_FROM_COMMAND_LINE | FileCheck -check-prefix=CHECK4 -implicit-check-not='{{warning:|error:}}' %s
5 // RUN: not clang-tidy -checks='-*,modernize-use-override' %s -- -DCOMPILATION_ERROR | FileCheck -check-prefix=CHECK6 -implicit-check-not='{{warning:|error:}}' %s
6 //
7 // Now repeat the tests and ensure no other errors appear on stderr:
8 // RUN: not clang-tidy -checks='-*,modernize-use-override' %s.nonexistent.cpp -- 2>&1 | FileCheck -check-prefix=CHECK1 -implicit-check-not='{{warning:|error:}}' %s
9 // RUN: not clang-tidy -checks='-*,clang-diagnostic-*,google-explicit-constructor' %s -- -fan-unknown-option 2>&1 | FileCheck -check-prefix=CHECK2 -implicit-check-not='{{warning:|error:}}' %s
10 // RUN: not clang-tidy -checks='-*,google-explicit-constructor,clang-diagnostic-literal-conversion' %s -- -fan-unknown-option 2>&1 | FileCheck -check-prefix=CHECK3 -implicit-check-not='{{warning:|error:}}' %s
11 // RUN: clang-tidy -checks='-*,modernize-use-override,clang-diagnostic-macro-redefined' %s -- -DMACRO_FROM_COMMAND_LINE 2>&1 | FileCheck -check-prefix=CHECK4 -implicit-check-not='{{warning:|error:}}' %s
12 // RUN: not clang-tidy -checks='-*,modernize-use-override' %s -- -DCOMPILATION_ERROR 2>&1 | FileCheck -check-prefix=CHECK6 -implicit-check-not='{{warning:|error:}}' %s
13 //
14 // Now create a directory with a compilation database file and ensure we don't
15 // use it after failing to parse commands from the command line:
16 //
17 // RUN: mkdir -p %T/diagnostics/
18 // RUN: echo '[{"directory": "%/T/diagnostics/","command": "clang++ -fan-option-from-compilation-database -c %/T/diagnostics/input.cpp", "file": "%/T/diagnostics/input.cpp"}]' > %T/diagnostics/compile_commands.json
19 // RUN: cat %s > %T/diagnostics/input.cpp
20 // RUN: not clang-tidy -checks='-*,modernize-use-override' %T/diagnostics/nonexistent.cpp -- 2>&1 | FileCheck -check-prefix=CHECK1 -implicit-check-not='{{warning:|error:}}' %s
21 // RUN: not clang-tidy -checks='-*,clang-diagnostic-*,google-explicit-constructor' %T/diagnostics/input.cpp -- -fan-unknown-option 2>&1 | FileCheck -check-prefix=CHECK2 -implicit-check-not='{{warning:|error:}}' %s
22 // RUN: not clang-tidy -checks='-*,google-explicit-constructor,clang-diagnostic-literal-conversion' %T/diagnostics/input.cpp -- -fan-unknown-option 2>&1 | FileCheck -check-prefix=CHECK3 -implicit-check-not='{{warning:|error:}}' %s
23 // RUN: clang-tidy -checks='-*,modernize-use-override,clang-diagnostic-macro-redefined' %T/diagnostics/input.cpp -- -DMACRO_FROM_COMMAND_LINE 2>&1 | FileCheck -check-prefix=CHECK4 -implicit-check-not='{{warning:|error:}}' %s
24 // RUN: not clang-tidy -checks='-*,clang-diagnostic-*,google-explicit-constructor' %T/diagnostics/input.cpp 2>&1 | FileCheck -check-prefix=CHECK5 -implicit-check-not='{{warning:|error:}}' %s
25 // RUN: not clang-tidy -checks='-*,modernize-use-override' %T/diagnostics/input.cpp -- -DCOMPILATION_ERROR 2>&1 | FileCheck -check-prefix=CHECK6 -implicit-check-not='{{warning:|error:}}' %s
26 // RUN: clang-tidy -checks='-*,modernize-use-override,clang-diagnostic-macro-redefined' %s -- -DMACRO_FROM_COMMAND_LINE -std=c++20 | FileCheck -check-prefix=CHECK4 -implicit-check-not='{{warning:|error:}}' %s
27 // RUN: clang-tidy -checks='-*,modernize-use-override,clang-diagnostic-macro-redefined,clang-diagnostic-literal-conversion' %s -- -DMACRO_FROM_COMMAND_LINE -std=c++20 -Wno-macro-redefined | FileCheck --check-prefix=CHECK7 -implicit-check-not='{{warning:|error:}}' %s
28 // RUN: clang-tidy -checks='-*,modernize-use-override' %s -- -std=c++20 -DPR64602
29
30 // CHECK1: error: no input files [clang-diagnostic-error]
31 // CHECK1: error: no such file or directory: '{{.*}}nonexistent.cpp' [clang-diagnostic-error]
32 // CHECK1: error: unable to handle compilation{{.*}} [clang-diagnostic-error]
33 // CHECK2: error: unknown argument: '-fan-unknown-option' [clang-diagnostic-error]
34 // CHECK3: error: unknown argument: '-fan-unknown-option' [clang-diagnostic-error]
35 // CHECK5: error: unknown argument: '-fan-option-from-compilation-database' [clang-diagnostic-error]
36
37 // CHECK7: :[[@LINE+4]]:9: warning: implicit conversion from 'double' to 'int' changes value from 1.5 to 1 [clang-diagnostic-literal-conversion]
38 // CHECK2: :[[@LINE+3]]:9: warning: implicit conversion from 'double' to 'int' changes value from 1.5 to 1 [clang-diagnostic-literal-conversion]
39 // CHECK3: :[[@LINE+2]]:9: warning: implicit conversion from 'double' to 'int' changes value
40 // CHECK5: :[[@LINE+1]]:9: warning: implicit conversion from 'double' to 'int' changes value
41 int a = 1.5;
42
43 // CHECK2: :[[@LINE+3]]:11: warning: single-argument constructors must be marked explicit
44 // CHECK3: :[[@LINE+2]]:11: warning: single-argument constructors must be marked explicit
45 // CHECK5: :[[@LINE+1]]:11: warning: single-argument constructors must be marked explicit
A(int)46 class A { A(int) {} };
47
48 #define MACRO_FROM_COMMAND_LINE
49 // CHECK4: :[[@LINE-1]]:9: warning: 'MACRO_FROM_COMMAND_LINE' macro redefined
50 // CHECK7-NOT: :[[@LINE-2]]:9: warning: 'MACRO_FROM_COMMAND_LINE' macro redefined
51
52 #ifdef COMPILATION_ERROR
f(int a)53 void f(int a) {
54 &(a + 1);
55 // CHECK6: :[[@LINE-1]]:3: error: cannot take the address of an rvalue of type 'int' [clang-diagnostic-error]
56 }
57 #endif
58
59 #ifdef PR64602 // Should not crash
60 template <class T = void>
61 struct S
62 {
63 auto foo(auto);
64 };
65
66 template <>
foo(auto)67 auto S<>::foo(auto)
68 {
69 return 1;
70 }
71 #endif
72