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