|  | // REQUIRES: shell | 
|  | // RUN: sed 's/placeholder_for_f/f/' %s > %t.cpp | 
|  | // RUN: clang-tidy -checks=-*,modernize-use-override %t.cpp -- -std=c++11 | FileCheck -check-prefix=CHECK-SANITY %s | 
|  | // RUN: not diff -U0 %s %t.cpp | %clang_tidy_diff -checks=-*,modernize-use-override -- -std=c++11 2>&1 | FileCheck %s | 
|  | // RUN: not diff -U0 %s %t.cpp | %clang_tidy_diff -checks=-*,modernize-use-override -quiet -- -std=c++11 2>&1 | FileCheck -check-prefix=CHECK-QUIET %s | 
|  | // RUN: mkdir -p %T/compilation-database-test/ | 
|  | // RUN: echo '[{"directory": "%T", "command": "clang++ -o test.o -std=c++11 %t.cpp", "file": "%t.cpp"}]' > %T/compilation-database-test/compile_commands.json | 
|  | // RUN: not diff -U0 %s %t.cpp | %clang_tidy_diff -checks=-*,modernize-use-override -path %T/compilation-database-test 2>&1 | FileCheck -check-prefix=CHECK %s | 
|  | struct A { | 
|  | virtual void f() {} | 
|  | virtual void g() {} | 
|  | }; | 
|  | // CHECK-NOT: warning: | 
|  | // CHECK-QUIET-NOT: warning: | 
|  | struct B : public A { | 
|  | void placeholder_for_f() {} | 
|  | // CHECK-SANITY: [[@LINE-1]]:8: warning: annotate this | 
|  | // CHECK: [[@LINE-2]]:8: warning: annotate this | 
|  | // CHECK-QUIET: [[@LINE-3]]:8: warning: annotate this | 
|  | void g() {} | 
|  | // CHECK-SANITY: [[@LINE-1]]:8: warning: annotate this | 
|  | // CHECK-NOT: warning: | 
|  | // CHECK-QUIET-NOT: warning: | 
|  | }; | 
|  | // CHECK-SANITY-NOT: Suppressed | 
|  | // CHECK: Suppressed 1 warnings (1 due to line filter). | 
|  | // CHECK-QUIET-NOT: Suppressed |