diff options
Diffstat (limited to 'test/Analysis/retain-release.mm')
| -rw-r--r-- | test/Analysis/retain-release.mm | 78 |
1 files changed, 77 insertions, 1 deletions
diff --git a/test/Analysis/retain-release.mm b/test/Analysis/retain-release.mm index d92237b185..3650d88724 100644 --- a/test/Analysis/retain-release.mm +++ b/test/Analysis/retain-release.mm @@ -64,6 +64,8 @@ extern const CFArrayCallBacks kCFTypeArrayCallBacks; typedef const struct __CFArray * CFArrayRef; typedef struct __CFArray * CFMutableArrayRef; extern CFMutableArrayRef CFArrayCreateMutable(CFAllocatorRef allocator, CFIndex capacity, const CFArrayCallBacks *callBacks); +void abort(void) __attribute__((noreturn)); +CFArrayRef CFArrayCreate(CFAllocatorRef allocator, const void **values, CFIndex numValues, const CFArrayCallBacks *callBacks); extern const void *CFArrayGetValueAtIndex(CFArrayRef theArray, CFIndex idx); extern void CFArrayAppendValue(CFMutableArrayRef theArray, const void *value); typedef struct { @@ -81,6 +83,7 @@ typedef UInt32 CFStringEncoding; enum { kCFStringEncodingMacRoman = 0, kCFStringEncodingWindowsLatin1 = 0x0500, kCFStringEncodingISOLatin1 = 0x0201, kCFStringEncodingNextStepLatin = 0x0B01, kCFStringEncodingASCII = 0x0600, kCFStringEncodingUnicode = 0x0100, kCFStringEncodingUTF8 = 0x08000100, kCFStringEncodingNonLossyASCII = 0x0BFF , kCFStringEncodingUTF16 = 0x0100, kCFStringEncodingUTF16BE = 0x10000100, kCFStringEncodingUTF16LE = 0x14000100, kCFStringEncodingUTF32 = 0x0c000100, kCFStringEncodingUTF32BE = 0x18000100, kCFStringEncodingUTF32LE = 0x1c000100 }; extern CFStringRef CFStringCreateWithCString(CFAllocatorRef alloc, const char *cStr, CFStringEncoding encoding); +extern CFStringRef CFStringCreateCopy(CFAllocatorRef alloc, CFStringRef theString); typedef double CFTimeInterval; typedef CFTimeInterval CFAbsoluteTime; extern CFAbsoluteTime CFAbsoluteTimeGetCurrent(void); @@ -267,7 +270,6 @@ extern void CGContextDrawLinearGradient(CGContextRef context, CGGradientRef gradient, CGPoint startPoint, CGPoint endPoint, CGGradientDrawingOptions options); extern CGColorSpaceRef CGColorSpaceCreateDeviceRGB(void); - //===----------------------------------------------------------------------===// // Test cases. //===----------------------------------------------------------------------===// @@ -385,3 +387,77 @@ void testCallback() { val >> process; } +//===----------------------------------------------------------------------===// +// Test handling static initializers. +//===----------------------------------------------------------------------===// + +@interface radar13227740 : NSObject +@end + +@implementation radar13227740 +- (CFArrayRef)test { + static CFArrayRef array = ::CFArrayCreate(0, 0, 0, 0); + do { if (!((0 != array)/1)) { abort(); } } while (false); + return array; +} + +// Previously this reported a bogus leak. +- (void)test2 { + (void)[self test]; + (void)[self test]; +} +@end + +//===----------------------------------------------------------------------===// +// Don't crash on getting a null expression from CallEnter corresponding to a +// destructor. +//===----------------------------------------------------------------------===// + +template <typename X> +class Holder { +public: + Holder() throw(); + ~Holder() throw() {} + X* get() const throw(); + void reset(X* p) throw(); +private: + X* ptr_; +}; + +template<typename X> +inline +Holder<X>::Holder() throw() +: ptr_(0){} + +template <typename X> +inline +X* Holder<X>::get() const throw() { + return ptr_; +} + +template <typename X> +inline +void Holder<X>::reset(X* p) throw() { + if (ptr_ != p) { + if (ptr_ != 0) { + ::CFRelease( ptr_ ); + } + ptr_ = p; + } +} + +class radar13722286 { +public: + radar13722286() {} +private: + void PrepareBitmap(); + Holder<const struct __CFString> mStr; +}; + +void radar13722286::PrepareBitmap() { + if (mStr.get() != 0) { + Holder<const struct __CFString> str1; + mStr.reset( CFStringCreateCopy( 0, str1.get() ) ); //expected-warning {{Potential leak of an object}} + } +} + |