1 // RUN: %clang_cc1 -fsyntax-only -Wthread-safety -verify %s
2 
3 class __attribute__((shared_capability("mutex"))) Mutex {
4  public:
5   void func1() __attribute__((assert_capability(this)));
6   void func2() __attribute__((assert_capability(!this)));
7 
operator !() const8   const Mutex& operator!() const { return *this; }
9 };
10 
11 class NotACapability {
12  public:
13   void func1() __attribute__((assert_capability(this)));  // expected-warning {{'assert_capability' attribute requires arguments whose type is annotated with 'capability' attribute; type here is 'NotACapability *'}}
14   void func2() __attribute__((assert_capability(!this)));  // expected-warning {{'assert_capability' attribute requires arguments whose type is annotated with 'capability' attribute; type here is 'bool'}}
15 
operator !() const16   const NotACapability& operator!() const { return *this; }
17 };
18