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// RUN: %clang_cc1 -analyze -analyzer-checker=osx.cocoa.NonNilReturnValue,debug.ExprInspection -verify %s
typedef unsigned int NSUInteger;
typedef signed char BOOL;
@protocol NSObject - (BOOL)isEqual:(id)object; @end
@interface NSObject <NSObject> {}
+(id)alloc;
+(id)new;
-(id)init;
-(id)autorelease;
-(id)copy;
- (Class)class;
-(id)retain;
@end
@interface NSArray : NSObject
- (id)objectAtIndex:(unsigned long)index;
@end
@interface NSArray (NSExtendedArray)
- (id)objectAtIndexedSubscript:(NSUInteger)idx;
@end
@interface NSMutableArray : NSArray
- (void)replaceObjectAtIndex:(NSUInteger)index withObject:(id)anObject;
@end
@interface NSOrderedSet : NSObject
@end
@interface NSOrderedSet (NSOrderedSetCreation)
- (id)objectAtIndexedSubscript:(NSUInteger)idx;
@end
void clang_analyzer_eval(id);
void assumeThatNSArrayObjectAtIndexIsNeverNull(NSArray *A, NSUInteger i) {
clang_analyzer_eval([A objectAtIndex: i]); // expected-warning {{TRUE}}
id subscriptObj = A[1];
clang_analyzer_eval(subscriptObj); // expected-warning {{TRUE}}
}
void assumeThatNSMutableArrayObjectAtIndexIsNeverNull(NSMutableArray *A, NSUInteger i) {
clang_analyzer_eval([A objectAtIndex: i]); // expected-warning {{TRUE}}
}
void assumeThatNSArrayObjectAtIndexedSubscriptIsNeverNull(NSOrderedSet *A, NSUInteger i) {
clang_analyzer_eval(A[i]); // expected-warning {{TRUE}}
}
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