diff options
Diffstat (limited to 'test/Misc/warn-sysheader.cpp')
| -rw-r--r-- | test/Misc/warn-sysheader.cpp | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/test/Misc/warn-sysheader.cpp b/test/Misc/warn-sysheader.cpp new file mode 100644 index 000000000000..dbc38258c4d2 --- /dev/null +++ b/test/Misc/warn-sysheader.cpp @@ -0,0 +1,33 @@ +// Test that -Wsystem-headers works with default and custom mappings like -Werror. +// Keep run lines at the bottom for line number stability. + +#ifdef IS_SYSHEADER +#pragma clang system_header + +int f() { return (int)0; } // Use the old-style-cast warning as an arbitrary "ordinary" diagnostic for the purpose of testing. + +#warning "custom message" + +#if defined(A) || defined(B) +// expected-warning@9 {{"custom message"}} +#elif defined(C) +// expected-warning@7 {{use of old-style cast}} +// expected-warning@9 {{"custom message"}} +#elif defined(D) +// expected-error@7 {{use of old-style cast}} +// expected-error@9 {{"custom message"}} +#elif defined(E) +// expected-error@7 {{use of old-style cast}} +// expected-warning@9 {{"custom message"}} +#endif + +#else +#define IS_SYSHEADER +#include __FILE__ +#endif + +// RUN: %clang_cc1 -verify -fsyntax-only -DA %s +// RUN: %clang_cc1 -verify -fsyntax-only -DB -Wold-style-cast %s +// RUN: %clang_cc1 -verify -fsyntax-only -DC -Wold-style-cast -Wsystem-headers %s +// RUN: %clang_cc1 -verify -fsyntax-only -DD -Wold-style-cast -Wsystem-headers -Werror %s +// RUN: %clang_cc1 -verify -fsyntax-only -DE -Wold-style-cast -Wsystem-headers -Werror=old-style-cast %s |