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Diffstat (limited to 'clang/test/Analysis/PR2599.m')
-rw-r--r-- | clang/test/Analysis/PR2599.m | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/clang/test/Analysis/PR2599.m b/clang/test/Analysis/PR2599.m new file mode 100644 index 0000000..5436063 --- /dev/null +++ b/clang/test/Analysis/PR2599.m @@ -0,0 +1,63 @@ +// RUN: %clang_cc1 -analyze -analyzer-checker=core,osx.cocoa.RetainCount,experimental.core -analyzer-constraints=range -analyzer-store=region -fobjc-gc -verify %s + +typedef const void * CFTypeRef; +typedef const struct __CFString * CFStringRef; +typedef const struct __CFAllocator * CFAllocatorRef; +typedef const struct __CFDictionary * CFDictionaryRef; +CFTypeRef CFMakeCollectable(CFTypeRef cf) ; +extern CFStringRef CFStringCreateWithFormat(CFAllocatorRef alloc, CFDictionaryRef formatOptions, CFStringRef format, ...); +typedef signed char BOOL; +typedef unsigned int NSUInteger; +typedef struct _NSZone NSZone; +@class NSInvocation, NSMethodSignature, NSCoder, NSString, NSEnumerator; +@protocol NSObject +- (BOOL)isEqual:(id)object; +- (id)autorelease; +@end +@protocol NSCopying +- (id)copyWithZone:(NSZone *)zone; +@end @protocol NSMutableCopying +- (id)mutableCopyWithZone:(NSZone *)zone; +@end +@protocol +NSCoding +- (void)encodeWithCoder:(NSCoder *)aCoder; +@end +@interface NSObject <NSObject> {} +- (id)init; ++ (id)alloc; +@end +enum { NSASCIIStringEncoding = 1, NSNEXTSTEPStringEncoding = 2, NSJapaneseEUCStringEncoding = 3, NSUTF8StringEncoding = 4, NSISOLatin1StringEncoding = 5, NSSymbolStringEncoding = 6, NSNonLossyASCIIStringEncoding = 7, NSShiftJISStringEncoding = 8, NSISOLatin2StringEncoding = 9, NSUnicodeStringEncoding = 10, NSWindowsCP1251StringEncoding = 11, NSWindowsCP1252StringEncoding = 12, NSWindowsCP1253StringEncoding = 13, NSWindowsCP1254StringEncoding = 14, NSWindowsCP1250StringEncoding = 15, NSISO2022JPStringEncoding = 21, NSMacOSRomanStringEncoding = 30, NSUTF16StringEncoding = NSUnicodeStringEncoding, NSUTF16BigEndianStringEncoding = 0x90000100, NSUTF16LittleEndianStringEncoding = 0x94000100, NSUTF32StringEncoding = 0x8c000100, NSUTF32BigEndianStringEncoding = 0x98000100, NSUTF32LittleEndianStringEncoding = 0x9c000100 }; +typedef NSUInteger NSStringEncoding; +@interface NSString : NSObject <NSCopying, NSMutableCopying, NSCoding> +- (NSUInteger)length; +- (id)initWithBytesNoCopy:(void *)bytes length:(NSUInteger)len encoding:(NSStringEncoding)encoding freeWhenDone:(BOOL)freeBuffer; +@end +@interface NSAutoreleasePool : NSObject {} +- (void)drain; +@end +extern NSString * const NSXMLParserErrorDomain ; + +// The actual test case. UTIL_AUTORELEASE_CF_AS_ID is a macro that doesn't +// actually do what it was intended to. + +#define NSSTRINGWRAPPER(bytes,len) \ + [[[NSString alloc] initWithBytesNoCopy: (void*)(bytes) length: (len) encoding: NSUTF8StringEncoding freeWhenDone: (BOOL)0] autorelease] + +#define UTIL_AUTORELEASE_CF_AS_ID(cf) ( (((void*)0) == (cf)) ? ((void*)0) : [(id) CFMakeCollectable( (CFTypeRef) cf) autorelease] ) + +#define UTIL_AUTORELEASE_CF_AS_ID_WITHOUT_TEST(cf) ( [(id) CFMakeCollectable( (CFTypeRef) cf) autorelease] ) + +static char *lorem = "fooBarBaz"; + +void NSLog(NSString *, ...); + +int main (int argc, const char * argv[]) { + NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init]; + NSString *tmp1 = NSSTRINGWRAPPER(lorem, 6); // no-warning + NSString *tmp2 = UTIL_AUTORELEASE_CF_AS_ID( CFStringCreateWithFormat(((void*)0), ((void*)0), ((CFStringRef) __builtin___CFStringMakeConstantString ("" "lorem: %@" "")), tmp1) ); // expected-warning 2 {{leak}} + NSString *tmp3 = UTIL_AUTORELEASE_CF_AS_ID_WITHOUT_TEST( CFStringCreateWithFormat(((void*)0), ((void*)0), ((CFStringRef) __builtin___CFStringMakeConstantString ("" "lorem: %@" "")), tmp1) ); + NSLog(@"tmp2: %@ tmp3: %@", tmp2, tmp3); + [pool drain]; + return 0; +} |