From 39fcc9a984e2820e4ea0fa2ac4abd17d9f3a31df Mon Sep 17 00:00:00 2001
From: dim <dim@FreeBSD.org>
Date: Sun, 20 Feb 2011 13:06:31 +0000
Subject: Vendor import of clang trunk r126079:
 http://llvm.org/svn/llvm-project/cfe/trunk@126079

---
 test/Analysis/properties.m | 145 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 145 insertions(+)
 create mode 100644 test/Analysis/properties.m

(limited to 'test/Analysis/properties.m')

diff --git a/test/Analysis/properties.m b/test/Analysis/properties.m
new file mode 100644
index 0000000..ce8faf5
--- /dev/null
+++ b/test/Analysis/properties.m
@@ -0,0 +1,145 @@
+// RUN: %clang_cc1 -analyze -analyzer-check-objc-mem -analyzer-store=region -verify %s
+
+typedef signed char BOOL;
+typedef unsigned int NSUInteger;
+typedef struct _NSZone NSZone;
+@class NSInvocation, NSMethodSignature, NSCoder, NSString, NSEnumerator;
+@protocol NSObject  - (BOOL)isEqual:(id)object; @end
+@protocol NSCopying  - (id)copyWithZone:(NSZone *)zone; @end
+@protocol NSCoding  - (void)encodeWithCoder:(NSCoder *)aCoder; @end
+@protocol NSMutableCopying  - (id)mutableCopyWithZone:(NSZone *)zone; @end
+@interface NSObject <NSObject> {}
++(id)alloc;
+-(id)init;
+-(id)autorelease;
+-(id)copy;
+-(id)retain;
+@end
+@interface NSString : NSObject <NSCopying, NSMutableCopying, NSCoding>
+- (NSUInteger)length;
+-(id)initWithFormat:(NSString *)f,...;
+-(BOOL)isEqualToString:(NSString *)s;
++ (id)string;
+@end
+@interface NSNumber : NSObject {}
++(id)alloc;
+-(id)initWithInteger:(int)i;
+@end
+
+// rdar://6946338
+
+@interface Test1 : NSObject {
+  NSString *text;
+}
+-(id)myMethod;
+@property (nonatomic, assign) NSString *text;
+@end
+
+
+@implementation Test1
+
+@synthesize text;
+
+-(id)myMethod {
+  Test1 *cell = [[[Test1 alloc] init] autorelease];
+
+  NSString *string1 = [[NSString alloc] initWithFormat:@"test %f", 0.0]; // expected-warning {{Potential leak}}
+  cell.text = string1;
+
+  return cell;
+}
+
+@end
+
+
+// rdar://8824416
+
+@interface MyNumber : NSObject
+{
+  NSNumber* _myNumber;
+}
+
+- (id)initWithNumber:(NSNumber *)number;
+
+@property (nonatomic, readonly) NSNumber* myNumber;
+@property (nonatomic, readonly) NSNumber* newMyNumber;
+
+@end
+
+@implementation MyNumber
+@synthesize myNumber=_myNumber;
+ 
+- (id)initWithNumber:(NSNumber *)number
+{
+  self = [super init];
+  
+  if ( self )
+  {
+    _myNumber = [number copy];
+  }
+  
+  return self;
+}
+
+- (NSNumber*)newMyNumber
+{
+  if ( _myNumber )
+    return [_myNumber retain];
+  
+  return [[NSNumber alloc] initWithInteger:1];
+}
+
+- (id)valueForUndefinedKey:(NSString*)key
+{
+  id value = 0;
+  
+  if ([key isEqualToString:@"MyIvarNumberAsPropertyOverReleased"])
+    value = self.myNumber; // _myNumber will be over released, since the value returned from self.myNumber is not retained.
+  else if ([key isEqualToString:@"MyIvarNumberAsPropertyOk"])
+    value = [self.myNumber retain]; // this line fixes the over release
+  else if ([key isEqualToString:@"MyIvarNumberAsNewMyNumber"])
+    value = self.newMyNumber; // this one is ok, since value is returned retained
+  else 
+    value = [[NSNumber alloc] initWithInteger:0];
+  
+  return [value autorelease]; // expected-warning {{Object sent -autorelease too many times}}
+}
+
+@end
+
+NSNumber* numberFromMyNumberProperty(MyNumber* aMyNumber)
+{
+  NSNumber* result = aMyNumber.myNumber;
+    
+  return [result autorelease]; // expected-warning {{Object sent -autorelease too many times}}
+}
+
+
+// rdar://6611873
+
+@interface Person : NSObject {
+  NSString *_name;
+}
+@property (retain) NSString * name;
+@end
+
+@implementation Person
+@synthesize name = _name;
+@end
+
+void rdar6611873() {
+  Person *p = [[[Person alloc] init] autorelease];
+  
+  p.name = [[NSString string] retain]; // expected-warning {{leak}}
+  p.name = [[NSString alloc] init]; // expected-warning {{leak}}
+}
+
+@interface SubPerson : Person
+-(NSString *)foo;
+@end
+
+@implementation SubPerson
+-(NSString *)foo {
+  return super.name;
+}
+@end
-- 
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