clang/test/SemaObjC/objcbridgemutable-attribute.m

   1 // RUN: %clang_cc1 -fsyntax-only -verify -Wno-objc-root-class %s
   2 // rdar://15498044
   3
   4 typedef struct __attribute__((objc_bridge_mutable(NSMutableDictionary))) __CFDictionary * CFMutableDictionaryRef; // expected-note {{declared here}}
   5
   6 typedef struct __attribute__((objc_bridge_mutable(12))) __CFDictionaryB1 * CFMutableDictionaryB1Ref; // expected-error {{parameter of 'objc_bridge_mutable' attribute must be a single name of an Objective-C class}}
   7
   8 typedef struct __attribute__((objc_bridge_mutable(P))) __CFDictionaryB2 * CFMutableDictionaryB2Ref; // expected-note {{declared here}}
   9
  10 typedef struct __attribute__((objc_bridge_mutable(NSMutableDictionary, Unknown))) __CFDictionaryB3 * CFMutableDictionaryB3Ref;  // expected-error {{use of undeclared identifier 'Unknown'}}
  11
  12 typedef struct __attribute__((objc_bridge_mutable)) __CFDictionaryB4 * CFMutableDictionaryB4Ref;  // expected-error {{'objc_bridge_mutable' attribute takes one argument}}
  13
  14 @interface NSDictionary
  15 @end
  16
  17 @interface NSMutableDictionary : NSDictionary
  18 @end
  19
  20 @protocol P @end
  21
  22 void Test(NSMutableDictionary *md, NSDictionary *nd, CFMutableDictionaryRef mcf, CFMutableDictionaryB2Ref bmcf) {
  23
  24   (void) (CFMutableDictionaryRef)md;
  25   (void) (CFMutableDictionaryRef)nd; // expected-warning {{'NSDictionary' cannot bridge to 'CFMutableDictionaryRef' (aka 'struct __CFDictionary *')}}
  26   (void) (NSDictionary *)mcf; // ok, bridgt_type NSMutableDictionary can be type-cast to its super class.
  27   NSDictionary *nsdobj = (NSMutableDictionary*)0;
  28   (void) (NSMutableDictionary *)mcf; // ok;
  29   (void) (NSMutableDictionary *)bmcf; // expected-error {{CF object of type 'CFMutableDictionaryB2Ref' (aka 'struct __CFDictionaryB2 *') is bridged to 'P', which is not an Objective-C class}}
  30
  31 }
  32