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