| 1 | // RUN: %clang_analyze_cc1 -analyzer-checker=osx.cocoa.NonNilReturnValue,debug.ExprInspection -verify %s |
|---|
| 2 | |
|---|
| 3 | typedef unsigned int NSUInteger; |
|---|
| 4 | typedef signed char BOOL; |
|---|
| 5 | |
|---|
| 6 | @protocol NSObject - (BOOL)isEqual:(id)object; @end |
|---|
| 7 | |
|---|
| 8 | @interface NSObject <NSObject> {} |
|---|
| 9 | +(id)alloc; |
|---|
| 10 | +(id)new; |
|---|
| 11 | -(id)init; |
|---|
| 12 | -(id)autorelease; |
|---|
| 13 | -(id)copy; |
|---|
| 14 | - (Class)class; |
|---|
| 15 | -(id)retain; |
|---|
| 16 | @end |
|---|
| 17 | |
|---|
| 18 | @interface NSArray : NSObject |
|---|
| 19 | - (id)objectAtIndex:(unsigned long)index; |
|---|
| 20 | @end |
|---|
| 21 | |
|---|
| 22 | @interface NSArray (NSExtendedArray) |
|---|
| 23 | - (id)objectAtIndexedSubscript:(NSUInteger)idx; |
|---|
| 24 | @end |
|---|
| 25 | |
|---|
| 26 | @interface NSMutableArray : NSArray |
|---|
| 27 | - (void)replaceObjectAtIndex:(NSUInteger)index withObject:(id)anObject; |
|---|
| 28 | @end |
|---|
| 29 | |
|---|
| 30 | @interface NSOrderedSet : NSObject |
|---|
| 31 | @end |
|---|
| 32 | @interface NSOrderedSet (NSOrderedSetCreation) |
|---|
| 33 | - (id)objectAtIndexedSubscript:(NSUInteger)idx; |
|---|
| 34 | @end |
|---|
| 35 | |
|---|
| 36 | void clang_analyzer_eval(id); |
|---|
| 37 | |
|---|
| 38 | void assumeThatNSArrayObjectAtIndexIsNeverNull(NSArray *A, NSUInteger i) { |
|---|
| 39 | clang_analyzer_eval([A objectAtIndex: i]); // expected-warning {{TRUE}} |
|---|
| 40 | id subscriptObj = A[1]; |
|---|
| 41 | clang_analyzer_eval(subscriptObj); // expected-warning {{TRUE}} |
|---|
| 42 | } |
|---|
| 43 | |
|---|
| 44 | void assumeThatNSMutableArrayObjectAtIndexIsNeverNull(NSMutableArray *A, NSUInteger i) { |
|---|
| 45 | clang_analyzer_eval([A objectAtIndex: i]); // expected-warning {{TRUE}} |
|---|
| 46 | } |
|---|
| 47 | |
|---|
| 48 | void assumeThatNSArrayObjectAtIndexedSubscriptIsNeverNull(NSOrderedSet *A, NSUInteger i) { |
|---|
| 49 | clang_analyzer_eval(A[i]); // expected-warning {{TRUE}} |
|---|
| 50 | } |
|---|