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-rw-r--r--test/Analysis/objc-boxing.m35
1 files changed, 35 insertions, 0 deletions
diff --git a/test/Analysis/objc-boxing.m b/test/Analysis/objc-boxing.m
index 963374b3ef..66f24ddf77 100644
--- a/test/Analysis/objc-boxing.m
+++ b/test/Analysis/objc-boxing.m
@@ -5,6 +5,16 @@ void clang_analyzer_eval(int);
typedef signed char BOOL;
typedef long NSInteger;
typedef unsigned long NSUInteger;
+
+@protocol NSObject
+@end
+@interface NSObject <NSObject> {}
+@end
+@protocol NSCopying
+@end
+@protocol NSCoding
+@end
+
@interface NSString @end
@interface NSString (NSStringExtensionMethods)
+ (id)stringWithUTF8String:(const char *)nullTerminatedCString;
@@ -28,7 +38,15 @@ typedef unsigned long NSUInteger;
+ (NSNumber *)numberWithUnsignedInteger:(NSUInteger)value ;
@end
+@interface NSValue : NSObject <NSCopying, NSCoding>
+- (void)getValue:(void *)value;
++ (NSValue *)valueWithBytes:(const void *)value
+ objCType:(const char *)type;
+@end
+typedef typeof(sizeof(int)) size_t;
+extern void *malloc(size_t);
+extern void free(void *);
extern char *strdup(const char *str);
id constant_string() {
@@ -39,6 +57,23 @@ id dynamic_string() {
return @(strdup("boxed dynamic string")); // expected-warning{{Potential memory leak}}
}
+typedef struct __attribute__((objc_boxable)) {
+ const char *str;
+} BoxableStruct;
+
+id leak_within_boxed_struct() {
+ BoxableStruct bs;
+ bs.str = strdup("dynamic string"); // The duped string shall be owned by val.
+ NSValue *val = @(bs); // no-warning
+ return val;
+}
+
+id leak_of_boxed_struct() {
+ BoxableStruct *bs = malloc(sizeof(BoxableStruct)); // The pointer stored in bs isn't owned by val.
+ NSValue *val = @(*bs); // expected-warning{{Potential leak of memory pointed to by 'bs'}}
+ return val;
+}
+
id const_char_pointer(int *x) {
if (x)
return @(3);