Add test case for PR 2599.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@65299 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Analysis/PR2599.m b/test/Analysis/PR2599.m
new file mode 100644 (file)
index 0000000..6f107df
--- /dev/null
+++ b/test/Analysis/PR2599.m
@@ -0,0 +1,64 @@
+// 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;
+}