Merge branch 'master' of ssh://bitbucket.org/czan/honours

1 files changed, 35 insertions, 0 deletions

diff --git a/clang/test/ARCMT/nonobjc-to-objc-cast-2.m b/clang/test/ARCMT/nonobjc-to-objc-cast-2.m
new file mode 100644
index 0000000..1ec0089
--- /dev/null
+++ b/clang/test/ARCMT/nonobjc-to-objc-cast-2.m
@@ -0,0 +1,35 @@
+// RUN: %clang_cc1 -arcmt-check -verify -triple x86_64-apple-darwin10 %s
+// DISABLE: mingw32
+
+#include "Common.h"
+
+@interface NSString : NSObject
+-(id)string;
+-(id)newString;
+@end
+
+typedef const struct __CFString * CFStringRef;
+typedef const void * CFTypeRef;
+CFTypeRef CFBridgingRetain(id X);
+id CFBridgingRelease(CFTypeRef);
+
+void f(BOOL b) {
+  CFStringRef cfstr;
+  NSString *str = (NSString *)cfstr; // expected-error {{cast of C pointer type 'CFStringRef' (aka 'const struct __CFString *') to Objective-C pointer type 'NSString *' requires a bridged cast}} \
+    // expected-note{{use __bridge to convert directly (no change in ownership)}} \
+    // expected-note{{use CFBridgingRelease call to transfer ownership of a +1 'CFStringRef' (aka 'const struct __CFString *') into ARC}}
+  void *vp = str;  // expected-error {{requires a bridged cast}} expected-note {{use CFBridgingRetain call}} expected-note {{use __bridge}}
+}
+
+void f2(NSString *s) {
+  CFStringRef ref;
+  ref = [(CFStringRef)[s string] retain]; // expected-error {{cast of Objective-C pointer type 'id' to C pointer type 'CFStringRef' (aka 'const struct __CFString *') requires a bridged cast}} \
+    // expected-error {{bad receiver type 'CFStringRef' (aka 'const struct __CFString *')}} \
+    // expected-note{{use __bridge to convert directly (no change in ownership)}} \
+    // expected-note{{use CFBridgingRetain call to make an ARC object available as a +1 'CFStringRef' (aka 'const struct __CFString *')}}
+}
+
+CFStringRef f3() {
+  return (CFStringRef)[[[NSString alloc] init] autorelease]; // expected-error {{it is not safe to cast to 'CFStringRef' the result of 'autorelease' message; a __bridge cast may result in a pointer to a destroyed object and a __bridge_retained may leak the object}} \
+    // expected-note {{remove the cast and change return type of function to 'NSString *' to have the object automatically autoreleased}}
+}