| // RUN: clang -fsyntax-only -verify %s |
| |
| //===----------------------------------------------------------------------===// |
| // The following code is reduced using delta-debugging from |
| // Foundation.h (Mac OS X). |
| // |
| // It includes the basic definitions for the test cases below. |
| // Not including Foundation.h directly makes this test case both svelt and |
| // portable to non-Mac platforms. |
| //===----------------------------------------------------------------------===// |
| |
| typedef signed char BOOL; |
| typedef unsigned int NSUInteger; |
| @class NSString, Protocol; |
| extern void NSLog(NSString *format, ...) __attribute__((format(__NSString__, 1, 2))); |
| typedef struct _NSZone NSZone; |
| @class NSInvocation, NSMethodSignature, NSCoder, NSString, NSEnumerator; |
| @protocol NSObject - (BOOL)isEqual:(id)object; @end |
| @protocol NSCopying - (id)copyWithZone:(NSZone *)zone; @end |
| @protocol NSMutableCopying - (id)mutableCopyWithZone:(NSZone *)zone; @end |
| @protocol NSCoding - (void)encodeWithCoder:(NSCoder *)aCoder; @end |
| @interface NSObject <NSObject> {} @end |
| typedef float CGFloat; |
| @interface NSString : NSObject <NSCopying, NSMutableCopying, NSCoding> - (NSUInteger)length; @end |
| @interface NSSimpleCString : NSString {} @end |
| @interface NSConstantString : NSSimpleCString @end |
| extern void *_NSConstantStringClassReference; |
| |
| typedef const struct __CFString * CFStringRef; |
| extern void CFStringCreateWithFormat(CFStringRef format, ...) __attribute__((format(CFString, 1, 2))); |
| |
| //===----------------------------------------------------------------------===// |
| // Test cases. |
| //===----------------------------------------------------------------------===// |
| |
| void check_nslog(unsigned k) { |
| NSLog(@"%d%%", k); // no-warning |
| NSLog(@"%s%lb%d", "unix", 10,20); // expected-warning {{lid conversion '%lb'}} |
| } |
| |
| // Check type validation |
| extern void NSLog2(int format, ...) __attribute__((format(__NSString__, 1, 2))); // expected-error {{format argument not an NSString}} |
| extern void CFStringCreateWithFormat2(int *format, ...) __attribute__((format(CFString, 1, 2))); // expected-error {{format argument not a CFString}} |