clang/test/Analysis/retain-release-cf-audited.m

   1 // RUN: %clang_analyze_cc1 -triple x86_64-apple-darwin10 -analyzer-checker=core,osx.cocoa.RetainCount -verify %s
   2 // RUN: %clang_analyze_cc1 -triple x86_64-apple-darwin10 -analyzer-checker=core,osx.cocoa.RetainCount -verify %s -x objective-c++
   3
   4 // The special thing about this file is that CFRetain and CFRelease are marked
   5 // as cf_audited_transfer.
   6
   7 #pragma clang arc_cf_code_audited begin
   8 typedef const void * CFTypeRef;
   9 extern CFTypeRef CFRetain(CFTypeRef cf);
  10 extern void CFRelease(CFTypeRef cf);
  11
  12 extern CFTypeRef CFCreateSomethingAudited(void);
  13 #pragma clang arc_cf_code_audited end
  14
  15 extern CFTypeRef CFCreateSomethingUnaudited(void);
  16
  17 void testAudited(void) {
  18   CFTypeRef obj = CFCreateSomethingAudited(); // no-warning
  19   CFRelease(obj); // no-warning
  20
  21   CFTypeRef obj2 = CFCreateSomethingAudited(); // expected-warning{{leak}}
  22   CFRetain(obj2); // no-warning
  23   CFRelease(obj2); // no-warning
  24 }
  25
  26 void testUnaudited(void) {
  27   CFTypeRef obj = CFCreateSomethingUnaudited(); // no-warning
  28   CFRelease(obj); // no-warning
  29
  30   CFTypeRef obj2 = CFCreateSomethingUnaudited(); // expected-warning{{leak}}
  31   CFRetain(obj2); // no-warning
  32   CFRelease(obj2); // no-warning
  33 }