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| // RUN: %clang_analyze_cc1 -analyzer-checker=core,osx -fblocks -analyzer-output=text -verify %s
#include "../Inputs/system-header-simulator-objc.h"
@interface NSDictionary : NSObject
- (NSUInteger)count;
- (id)objectForKey:(id)aKey;
- (NSEnumerator *)keyEnumerator;
@end
@interface NSMutableDictionary : NSDictionary
- (void)setObject:(id)anObject forKey:(id <NSCopying>)aKey;
@end
void testBOOLMacro(BOOL b) {
if (b == YES) { // expected-note {{Assuming 'b' is equal to YES}}
// expected-note@-1 {{Taking true branch}}
char *p = NULL;// expected-note {{'p' initialized to a null pointer value}}
*p = 7; // expected-warning {{Dereference of null pointer (loaded from variable 'p')}}
// expected-note@-1 {{Dereference of null pointer (loaded from variable 'p')}}
}
}
void testNilMacro(NSMutableDictionary *d, NSObject *o) {
if (o == nil) // expected-note {{Assuming 'o' is equal to nil}}
// expected-note@-1 {{Taking true branch}}
[d setObject:o forKey:[o description]]; // expected-warning {{Key argument to 'setObject:forKey:' cannot be nil}}
// expected-note@-1 {{'description' not called because the receiver is nil}}
// expected-note@-2 {{Key argument to 'setObject:forKey:' cannot be nil}}
return;
}
|