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// RUN: clang -checker-cfref -verify -fobjc-gc %s
//===----------------------------------------------------------------------===//
// The following code is reduced using delta-debugging from
// Foundation.h and CoreFoundation.h (Mac OS X).
//
// It includes the basic definitions for the test cases below.
// Not directly including [Core]Foundation.h directly makes this test case
// both svelte and portable to non-Mac platforms.
//===----------------------------------------------------------------------===//
typedef const void * CFTypeRef;
typedef const struct __CFAllocator * CFAllocatorRef;
typedef double CFTimeInterval;
typedef CFTimeInterval CFAbsoluteTime;
typedef const struct __CFDate * CFDateRef;
extern CFDateRef CFDateCreate(CFAllocatorRef allocator, CFAbsoluteTime at);
typedef signed char BOOL;
typedef unsigned int NSUInteger;
typedef struct _NSZone NSZone;
static __inline__ __attribute__((always_inline)) id NSMakeCollectable(CFTypeRef cf) {}
@protocol NSObject - (BOOL)isEqual:(id)object; - (oneway void)release; @end
extern id NSAllocateObject(Class aClass, NSUInteger extraBytes, NSZone *zone);
//===----------------------------------------------------------------------===//
// Test cases.
//===----------------------------------------------------------------------===//
CFAbsoluteTime f1() {
CFAbsoluteTime t = CFAbsoluteTimeGetCurrent();
CFDateRef date = CFDateCreate(0, t);
CFRetain(date);
[NSMakeCollectable(date) release];
CFDateGetAbsoluteTime(date); // no-warning
CFRelease(date);
t = CFDateGetAbsoluteTime(date); // expected-warning{{Reference-counted object is used after it is released.}}
return t;
}
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