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Add test case for PR 2599. 

llvm-svn: 65299
This commit is contained in:
Ted Kremenek 2009-02-23 01:29:25 +00:00
parent 9ee052bcdc
commit 5fa0d070a5
1 changed files with 64 additions and 0 deletions
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64
clang/test/Analysis/PR2599.m Normal file
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// RUN: clang -analyze -analyzer-constraints=basic -analyzer-store=basic -checker-cfref -fobjc-gc -verify %s &&
// RUN: clang -analyze -analyzer-constraints=range -analyzer-store=basic -checker-cfref -fobjc-gc -verify %s &&
// RUN: clang -analyze -analyzer-constraints=basic -analyzer-store=basic -checker-cfref -fobjc-gc -verify %s &&
// RUN: clang -analyze -analyzer-constraints=range -analyzer-store=region -checker-cfref -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";
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;
}