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