1 // Test that -Wsystem-headers works with default and custom mappings like -Werror. 2 // Keep run lines at the bottom for line number stability. 3 4 #ifdef IS_SYSHEADER 5 #pragma clang system_header 6 7 int f() { return (int)0; } // Use the old-style-cast warning as an arbitrary "ordinary" diagnostic for the purpose of testing. 8 9 #warning "custom message" 10 11 #if defined(A) || defined(B) 12 // expected-warning@9 {{"custom message"}} 13 #elif defined(C) 14 // expected-warning@7 {{use of old-style cast}} 15 // expected-warning@9 {{"custom message"}} 16 #elif defined(D) 17 // expected-error@7 {{use of old-style cast}} 18 // expected-error@9 {{"custom message"}} 19 #elif defined(E) 20 // expected-error@7 {{use of old-style cast}} 21 // expected-warning@9 {{"custom message"}} 22 #endif 23 24 #else 25 #define IS_SYSHEADER 26 #include __FILE__ 27 #endif 28 29 // RUN: %clang_cc1 -verify -fsyntax-only -DA %s 30 // RUN: %clang_cc1 -verify -fsyntax-only -DB -Wold-style-cast %s 31 // RUN: %clang_cc1 -verify -fsyntax-only -DC -Wold-style-cast -Wsystem-headers %s 32 // RUN: %clang_cc1 -verify -fsyntax-only -DD -Wold-style-cast -Wsystem-headers -Werror %s 33 // RUN: %clang_cc1 -verify -fsyntax-only -DE -Wold-style-cast -Wsystem-headers -Werror=old-style-cast %s 34
