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-rw-r--r--test/Analysis/objc-arc.m67
1 files changed, 66 insertions, 1 deletions
diff --git a/test/Analysis/objc-arc.m b/test/Analysis/objc-arc.m
index b02af05..e6c6ab5 100644
--- a/test/Analysis/objc-arc.m
+++ b/test/Analysis/objc-arc.m
@@ -3,6 +3,7 @@
typedef signed char BOOL;
typedef struct _NSZone NSZone;
@class NSInvocation, NSMethodSignature, NSCoder, NSString, NSEnumerator;
+typedef unsigned long NSUInteger;
@protocol NSObject
- (BOOL)isEqual:(id)object;
@@ -10,12 +11,30 @@ typedef struct _NSZone NSZone;
@protocol NSCopying
- (id)copyWithZone:(NSZone *)zone;
@end
-@protocol NSCoding
+@protocol NSCoding;
+@protocol NSMutableCopying;
+@protocol NSFastEnumeration
- (void)encodeWithCoder:(NSCoder *)aCoder;
@end
+@protocol NSMutableCopying - (id)mutableCopyWithZone:(NSZone *)zone;
+@end
+@protocol NSCoding - (void)encodeWithCoder:(NSCoder *)aCoder;
+@end
@interface NSObject <NSObject> {}
+ (id)alloc;
+- (id)init;
+- (NSString *)description;
+@end
+@interface NSArray : NSObject <NSCopying, NSMutableCopying, NSCoding, NSFastEnumeration>
+- (NSUInteger)count;
+- (id)initWithObjects:(const id [])objects count:(NSUInteger)cnt;
++ (id)arrayWithObject:(id)anObject;
++ (id)arrayWithObjects:(const id [])objects count:(NSUInteger)cnt;
++ (id)arrayWithObjects:(id)firstObj, ... __attribute__((sentinel(0,1)));
+- (id)initWithObjects:(id)firstObj, ... __attribute__((sentinel(0,1)));
+- (id)initWithArray:(NSArray *)array;
@end
+
typedef const struct __CFAllocator * CFAllocatorRef;
extern const CFAllocatorRef kCFAllocatorDefault;
typedef double CFTimeInterval;
@@ -153,3 +172,49 @@ id test_return() {
return x; // no-warning
}
+void test_objc_arrays() {
+ { // CASE ONE -- OBJECT IN ARRAY CREATED DIRECTLY
+ NSObject *o = [[NSObject alloc] init];
+ NSArray *a = [[NSArray alloc] initWithObjects:o, (void*)0];
+ [a description];
+ [o description];
+ }
+
+ { // CASE TWO -- OBJECT IN ARRAY CREATED BY DUPING AUTORELEASED ARRAY
+ NSObject *o = [[NSObject alloc] init];
+ NSArray *a1 = [NSArray arrayWithObjects:o, (void*)0];
+ NSArray *a2 = [[NSArray alloc] initWithArray:a1];
+ [a2 description];
+ [o description];
+ }
+
+ { // CASE THREE -- OBJECT IN RETAINED @[]
+ NSObject *o = [[NSObject alloc] init];
+ NSArray *a3 = @[o];
+ [a3 description];
+ [o description];
+ }
+ {
+ // CASE 4, verify analyzer still working.
+ CFCreateString(); // expected-warning {{leak}}
+ }
+}
+
+// <rdar://problem/11059275> - dispatch_set_context and ARC.
+__attribute__((cf_returns_retained)) CFTypeRef CFBridgingRetain(id X);
+typedef void* dispatch_object_t;
+void dispatch_set_context(dispatch_object_t object, const void *context);
+
+void rdar11059275(dispatch_object_t object) {
+ NSObject *o = [[NSObject alloc] init];
+ dispatch_set_context(object, CFBridgingRetain(o)); // no-warning
+}
+void rdar11059275_positive() {
+ NSObject *o = [[NSObject alloc] init]; // expected-warning {{leak}}
+ CFBridgingRetain(o);
+}
+void rdar11059275_negative() {
+ NSObject *o = [[NSObject alloc] init]; // no-warning
+ (void) o;
+}
+
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