Added reference count checker test case.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@52993 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Analysis/NSPanel.m b/test/Analysis/NSPanel.m
new file mode 100644
index 0000000..c7aed63
--- /dev/null
+++ b/test/Analysis/NSPanel.m
@@ -0,0 +1,86 @@
+// RUN: clang -checker-cfref -verify %s
+
+// BEGIN delta-debugging reduced header stuff
+
+typedef struct objc_selector *SEL;
+typedef signed char BOOL;
+typedef unsigned int NSUInteger;
+typedef struct _NSZone NSZone;
+@class NSInvocation, NSMethodSignature, NSCoder, NSString, NSEnumerator;
+@protocol NSObject
+- (BOOL)isEqual:(id)object;
+- (oneway void)release;
+@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)alloc;
+@end
+typedef float CGFloat;
+typedef struct _NSPoint {} NSRect;
+static __inline__ __attribute__((always_inline)) NSRect NSMakeRect(CGFloat x, CGFloat y, CGFloat w, CGFloat h) {}
+typedef struct {} NSFastEnumerationState;
+@protocol NSFastEnumeration 
+- (NSUInteger)countByEnumeratingWithState:(NSFastEnumerationState *)state objects:(id *)stackbuf count:(NSUInteger)len;
+@end
+@class NSString;
+@interface NSArray : NSObject <NSCopying, NSMutableCopying, NSCoding, NSFastEnumeration>
+- (NSUInteger)count;
+@end
+@interface NSMutableArray : NSArray
+- (void)addObject:(id)anObject;
+@end @class NSAppleEventDescriptor;
+enum { NSBackingStoreRetained = 0,     NSBackingStoreNonretained = 1,     NSBackingStoreBuffered = 2 };
+typedef NSUInteger NSBackingStoreType;
+@interface NSResponder : NSObject <NSCoding> {} @end
+@protocol NSAnimatablePropertyContainer
+- (id)animator;
+@end
+@protocol NSValidatedUserInterfaceItem
+- (SEL)action;
+@end
+@protocol NSUserInterfaceValidations
+- (BOOL)validateUserInterfaceItem:(id <NSValidatedUserInterfaceItem>)anItem;
+@end  @class NSDate, NSDictionary, NSError, NSException, NSNotification;
+enum { NSBorderlessWindowMask = 0,     NSTitledWindowMask = 1 << 0,     NSClosableWindowMask = 1 << 1,     NSMiniaturizableWindowMask = 1 << 2,     NSResizableWindowMask = 1 << 3  };
+@interface NSWindow : NSResponder  <NSAnimatablePropertyContainer, NSUserInterfaceValidations>    {}
+- (id)initWithContentRect:(NSRect)contentRect styleMask:(NSUInteger)aStyle backing:(NSBackingStoreType)bufferingType defer:(BOOL)flag;
+@end
+extern NSString *NSWindowDidBecomeKeyNotification;
+@interface NSPanel : NSWindow {}
+@end
+@class NSTableHeaderView;
+
+// END delta-debugging reduced header stuff
+
+@interface MyClass
+{
+	NSMutableArray *panels;
+}
+- (void)myMethod;
+- (void)myMethod2;
+@end
+@implementation MyClass
+- (void)myMethod
+{
+  NSPanel *panel = [[NSPanel alloc] initWithContentRect:NSMakeRect(0, 0, 200, 200) styleMask:NSBorderlessWindowMask backing:NSBackingStoreBuffered defer:(BOOL)1];
+
+  [panels addObject:panel];
+
+  [panel release]; // no-warning
+}
+- (void)myMethod2
+{
+  NSPanel *panel = [[NSPanel alloc] initWithContentRect:NSMakeRect(0, 0, 200, 200) styleMask:NSBorderlessWindowMask backing:NSBackingStoreBuffered defer:(BOOL)1];
+
+  [panel addObject:panel]; // expected-warning{{leak}}  
+}
+@end
+