1// RUN: %clang_cc1 -fsyntax-only -verify -Wno-objc-root-class %s 2 3typedef const void * VoidStar; 4 5typedef struct __CFDictionary * CFMDRef; 6 7void RandomFunc(CFMDRef theDict, const void *key, const void *value); 8 9@interface Foo 10- (void)_apply:(void (*)(const void *, const void *, void *))func context:(void *)context; 11- (void)a:(id *)objects b:(id *)keys; 12@end 13 14@implementation Foo 15- (void)_apply:(void (*)(const void *, const void *, void *))func context:(void *)context { 16 id item; 17 id obj; 18 func(item, obj, context); 19} 20 21- (void)a:(id *)objects b:(id *)keys { 22 VoidStar dict; 23 id key; 24 RandomFunc((CFMDRef)dict, key, objects[3]); 25} 26@end 27 28@interface I 29- (void) Meth : (I*) Arg; // expected-note{{passing argument to parameter 'Arg' here}} 30@end 31 32void Func (I* arg); // expected-note {{candidate function not viable: no known conversion from 'const I *' to 'I *' for 1st argument}} 33 34void foo(const I *p, I* sel) { 35 [sel Meth : p]; // expected-error {{cannot initialize a parameter of type 'I *' with an lvalue of type 'const I *'}} 36 Func(p); // expected-error {{no matching function for call to 'Func'}} 37} 38 39@interface DerivedFromI : I 40@end 41 42void accept_derived(DerivedFromI*); 43 44void test_base_to_derived(I* i) { 45 accept_derived(i); // expected-warning{{incompatible pointer types passing 'I *' to parameter of type 'DerivedFromI *'}} 46 DerivedFromI *di = i; // expected-warning{{incompatible pointer types initializing 'DerivedFromI *' with an expression of type 'I *'}} 47 DerivedFromI *di2 = (DerivedFromI *)i; 48} 49