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-rw-r--r--test/Analysis/retain-release-gc-only.m49
1 files changed, 49 insertions, 0 deletions
diff --git a/test/Analysis/retain-release-gc-only.m b/test/Analysis/retain-release-gc-only.m
index cc4a40d..ec33a57 100644
--- a/test/Analysis/retain-release-gc-only.m
+++ b/test/Analysis/retain-release-gc-only.m
@@ -5,6 +5,8 @@
// Header stuff.
//===----------------------------------------------------------------------===//
+typedef struct objc_class *Class;
+
typedef unsigned int __darwin_natural_t;
typedef struct {} div_t;
typedef unsigned long UInt32;
@@ -56,6 +58,7 @@ typedef struct _NSZone NSZone;
@end @protocol NSCoding - (void)encodeWithCoder:(NSCoder *)aCoder;
@end
@interface NSObject <NSObject> {}
+- (Class)class;
+ (id)alloc;
+ (id)allocWithZone:(NSZone *)zone;
@end typedef float CGFloat;
@@ -173,6 +176,28 @@ void f5b() {
@end
//===----------------------------------------------------------------------===//
+// <rdar://problem/6948053> False positive: object substitution during -init*
+// methods warns about returning +0 when using -fobjc-gc-only
+//===----------------------------------------------------------------------===//
+
+@interface MyClassRdar6948053 : NSObject
+- (id) init;
++ (id) shared;
+@end
+
+@implementation MyClassRdar6948053
++(id) shared {
+ return (id) 0;
+}
+- (id) init
+{
+ Class myClass = [self class];
+ [self release];
+ return [[myClass shared] retain]; // no-warning
+}
+@end
+
+//===----------------------------------------------------------------------===//
// Tests of ownership attributes.
//===----------------------------------------------------------------------===//
@@ -189,3 +214,27 @@ void test_attr_1b(TestOwnershipAttr *X) {
NSString *str = [X returnsAnOwnedCFString]; // expected-warning{{leak}}
}
+@interface MyClassTestCFAttr : NSObject {}
+- (NSDate*) returnsCFRetained __attribute__((cf_returns_retained));
+- (NSDate*) alsoReturnsRetained;
+- (NSDate*) returnsNSRetained __attribute__((ns_returns_retained));
+@end
+
+__attribute__((cf_returns_retained))
+CFDateRef returnsRetainedCFDate() {
+ return CFDateCreate(0, CFAbsoluteTimeGetCurrent());
+}
+
+@implementation MyClassTestCFAttr
+- (NSDate*) returnsCFRetained {
+ return (NSDate*) returnsRetainedCFDate(); // No leak.
+}
+
+- (NSDate*) alsoReturnsRetained {
+ return (NSDate*) returnsRetainedCFDate(); // expected-warning{{leak}}
+}
+
+- (NSDate*) returnsNSRetained {
+ return (NSDate*) returnsRetainedCFDate(); // expected-warning{{leak}}
+}
+@end \ No newline at end of file
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