diff options
Diffstat (limited to 'clang/test/SemaObjC/format-strings-objc.m')
| -rw-r--r-- | clang/test/SemaObjC/format-strings-objc.m | 42 |
1 files changed, 41 insertions, 1 deletions
diff --git a/clang/test/SemaObjC/format-strings-objc.m b/clang/test/SemaObjC/format-strings-objc.m index 767d5ac6cd6..e5a1a824abb 100644 --- a/clang/test/SemaObjC/format-strings-objc.m +++ b/clang/test/SemaObjC/format-strings-objc.m @@ -25,7 +25,11 @@ typedef struct _NSZone NSZone; @protocol NSCoding - (void)encodeWithCoder:(NSCoder *)aCoder; @end @interface NSObject <NSObject> {} @end typedef float CGFloat; -@interface NSString : NSObject <NSCopying, NSMutableCopying, NSCoding> - (NSUInteger)length; @end +@interface NSString : NSObject <NSCopying, NSMutableCopying, NSCoding> +- (NSUInteger)length; ++(instancetype)stringWithFormat:(NSString *)fmt, ... + __attribute__((format(__NSString__, 1, 2))); +@end @interface NSSimpleCString : NSString {} @end @interface NSConstantString : NSSimpleCString @end extern void *_NSConstantStringClassReference; @@ -302,3 +306,39 @@ const char *rd23622446(const char *format) { } @end + +@interface NSBundle : NSObject +- (NSString *)localizedStringForKey:(NSString *)key + value:(nullable NSString *)value + table:(nullable NSString *)tableName + __attribute__((format_arg(1))); + +- (NSString *)someRandomMethod:(NSString *)key + value:(nullable NSString *)value + table:(nullable NSString *)tableName + __attribute__((format_arg(1))); +@end + +void useLocalizedStringForKey(NSBundle *bndl) { + [NSString stringWithFormat: + [bndl localizedStringForKey:@"%d" // expected-warning{{more '%' conversions than data arguments}} + value:0 + table:0]]; + // No warning, @"flerp" doesn't have a format specifier. + [NSString stringWithFormat: [bndl localizedStringForKey:@"flerp" value:0 table:0], 43, @"flarp"]; + + [NSString stringWithFormat: + [bndl localizedStringForKey:@"%f" + value:0 + table:0], 42]; // expected-warning{{format specifies type 'double' but the argument has type 'int'}} + + [NSString stringWithFormat: + [bndl someRandomMethod:@"%f" + value:0 + table:0], 42]; // expected-warning{{format specifies type 'double' but the argument has type 'int'}} + + [NSString stringWithFormat: + [bndl someRandomMethod:@"flerp" + value:0 + table:0], 42]; // expected-warning{{data argument not used by format string}} +} |
