hanchenye-llvm-project/clang/test/SemaObjC/selector-3.m

// RUN: %clang_cc1  -fsyntax-only -Wselector -verify -Wno-objc-root-class %s
// rdar://8851684

@interface Foo
- (void) foo;
- (void) bar;
@end

@implementation Foo
- (void) bar
{
}

- (void) foo
{
  SEL a,b,c;
  a = @selector(b1ar);  // expected-warning {{creating selector for nonexistent method 'b1ar'}}
  b = @selector(bar);
}
@end

@interface I
- length;
@end

SEL func()
{
    return  @selector(length);  // expected-warning {{creating selector for nonexistent method 'length'}}
}

// rdar://9545564
@class MSPauseManager;

@protocol MSPauseManagerDelegate 
@optional
- (void)pauseManagerDidPause:(MSPauseManager *)manager;
- (int)respondsToSelector:(SEL)aSelector;
@end

@interface MSPauseManager
{
  id<MSPauseManagerDelegate> _delegate;
}
@end


@implementation MSPauseManager
- (id) Meth {
  if ([_delegate respondsToSelector:@selector(pauseManagerDidPause:)])
    return 0;
  return 0;
}
@end

// rdar://12938616
@class NSXPCConnection;

@interface NSObject
@end

@interface INTF : NSObject
{
  NSXPCConnection *cnx; // Comes in as a parameter.
}
- (void) Meth;
@end

extern SEL MySelector(SEL s);

@implementation INTF
- (void) Meth {
  if( [cnx respondsToSelector:MySelector(@selector( _setQueue: ))] ) // expected-warning {{creating selector for nonexistent method '_setQueue:'}} 
  {
  }

  if( [cnx respondsToSelector:@selector( _setQueueXX: )] ) // No warning here.
  {
  }
  if( [cnx respondsToSelector:(@selector( _setQueueXX: ))] ) // No warning here.
  {
  }
}
@end