llvm-project/clang/test/Analysis/MissingDealloc.m

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// RUN: %clang_cc1 -analyze -analyzer-experimental-internal-checks -warn-objc-missing-dealloc '-DIBOutlet=__attribute__((iboutlet))' %s -verify
typedef signed char BOOL;
@protocol NSObject
- (BOOL)isEqual:(id)object;
- (Class)class;
@end
@interface NSObject <NSObject> {}
- (void)dealloc;
- (id)init;
@end
typedef struct objc_selector *SEL;
// <rdar://problem/6380411>: 'myproperty' has kind 'assign' and thus the
// assignment through the setter does not perform a release.
@interface MyObject : NSObject {
id _myproperty;
}
@property(assign) id myproperty;
@end
@implementation MyObject
@synthesize myproperty=_myproperty; // no-warning
- (void)dealloc {
self.myproperty = 0;
[super dealloc];
}
@end
//===------------------------------------------------------------------------===
// Don't warn about iVars that are selectors.
@interface TestSELs : NSObject {
SEL a;
SEL b;
}
@end
@implementation TestSELs
- (id)init {
if( (self = [super init]) ) {
a = @selector(a);
b = @selector(b);
}
return self;
}
@end
//===------------------------------------------------------------------------===
// Don't warn about iVars that are IBOutlets.
#ifndef IBOutlet
#define IBOutlet
#endif
@class NSWindow;
@interface HasOutlet : NSObject {
IBOutlet NSWindow *window;
}
@end
@implementation HasOutlet // no-warning
@end
//===------------------------------------------------------------------------===
// <rdar://problem/6380411>
// Was bogus warning: "The '_myproperty' instance variable was not retained by a
// synthesized property but was released in 'dealloc'"
@interface MyObject_rdar6380411 : NSObject {
id _myproperty;
}
@property(assign) id myproperty;
@end
@implementation MyObject_rdar6380411
@synthesize myproperty=_myproperty;
- (void)dealloc {
// Don't claim that myproperty is released since it the property
// has the 'assign' attribute.
self.myproperty = 0; // no-warning
[super dealloc];
}
@end
//===------------------------------------------------------------------------===
// PR 3187: http://llvm.org/bugs/show_bug.cgi?id=3187
// - Disable the missing -dealloc check for classes that subclass SenTestCase
@class NSString;
@interface SenTestCase : NSObject {}
@end
@interface MyClassTest : SenTestCase {
NSString *resourcePath;
}
@end
@interface NSBundle : NSObject {}
+ (NSBundle *)bundleForClass:(Class)aClass;
- (NSString *)resourcePath;
@end
@implementation MyClassTest
- (void)setUp {
resourcePath = [[NSBundle bundleForClass:[self class]] resourcePath];
}
- (void)testXXX {
// do something which uses resourcepath
}
@end