1 // RUN: %clang_cc1 -fsyntax-only -verify %s 2 3 // We have to avoid ADL for this test. 4 5 template <unsigned N> class test {}; 6 7 class foo {}; // expected-note {{candidate}} 8 test<0> foo(foo); // expected-note {{candidate}} 9 10 namespace Test0 { 11 class foo { int x; }; 12 test<1> foo(class foo); 13 14 namespace A { 15 test<2> foo(class ::foo); // expected-note {{candidate}} \ 16 // expected-note{{passing argument to parameter here}} 17 18 void test0() { 19 using ::foo; 20 21 class foo a; 22 test<0> _ = (foo)(a); 23 } 24 25 void test1() { 26 using Test0::foo; 27 28 class foo a; 29 test<1> _ = (foo)(a); 30 }; 31 32 void test2() { 33 class ::foo a; 34 35 // Argument-dependent lookup is ambiguous between B:: and ::. 36 test<0> _0 = foo(a); // expected-error {{call to 'foo' is ambiguous}} 37 38 // But basic unqualified lookup is not. 39 test<2> _1 = (foo)(a); 40 41 class Test0::foo b; 42 test<2> _2 = (foo)(b); // expected-error {{no viable conversion from 'class Test0::foo' to 'class ::foo' is possible}} 43 } 44 } 45 } 46 47 namespace Test1 { 48 namespace A { 49 class a {}; 50 } 51 52 namespace B { 53 typedef class {} b; 54 } 55 56 namespace C { 57 int c(); // expected-note {{target of using declaration}} 58 } 59 60 namespace D { 61 using typename A::a; 62 using typename B::b; 63 using typename C::c; // expected-error {{'typename' keyword used on a non-type}} 64 65 a _1 = A::a(); 66 b _2 = B::b(); 67 } 68 } 69 70 namespace test2 { 71 class A { 72 protected: 73 operator int(); 74 operator bool(); 75 }; 76 77 class B : private A { 78 protected: 79 using A::operator int; // expected-note {{'declared protected here'}} 80 public: 81 using A::operator bool; 82 }; 83 84 int test() { 85 bool b = B(); 86 return B(); // expected-error {{'operator int' is a protected member of 'test2::B'}} 87 } 88 } 89 90 namespace test3 { 91 class A { 92 public: 93 ~A(); 94 }; 95 96 class B { 97 friend class C; 98 private: 99 operator A*(); 100 }; 101 102 class C : public B { 103 public: 104 using B::operator A*; 105 }; 106 107 void test() { 108 delete C(); 109 } 110 } 111
