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