clang/test/CXX/class.access/class.friend/p11.cpp

   1 // RUN: %clang_cc1 -fsyntax-only -verify %s
   2
   3 namespace test0 {
   4   void foo() {
   5     void bar();
   6     class A {
   7       friend void bar();
   8     };
   9   }
  10 }
  11
  12 namespace test1 {
  13   void foo() {
  14     class A {
  15       friend void bar(); // expected-error {{no matching function found in local scope}}
  16     };
  17   }
  18 }
  19
  20 namespace test2 {
  21   void bar(); // expected-note 3{{'::test2::bar' declared here}}
  22
  23   void foo() { // expected-note 2{{'::test2::foo' declared here}}
  24     struct S1 {
  25       friend void foo(); // expected-error {{no matching function 'foo' found in local scope; did you mean '::test2::foo'?}}
  26     };
  27
  28     void foo(); // expected-note {{local declaration nearly matches}}
  29     struct S2 {
  30       friend void foo();
  31     };
  32
  33     {
  34       struct S2 {
  35         friend void foo(); // expected-error {{no matching function found in local scope}}
  36       };
  37     }
  38
  39     {
  40       int foo;
  41       struct S3 {
  42         friend void foo(); // expected-error {{no matching function 'foo' found in local scope; did you mean '::test2::foo'?}}
  43       };
  44     }
  45
  46     struct S4 {
  47       friend void bar(); // expected-error {{no matching function 'bar' found in local scope; did you mean '::test2::bar'?}}
  48     };
  49
  50     { void bar(); }
  51     struct S5 {
  52       friend void bar(); // expected-error {{no matching function 'bar' found in local scope; did you mean '::test2::bar'?}}
  53     };
  54
  55     {
  56       void bar();
  57       struct S6 {
  58         friend void bar();
  59       };
  60     }
  61
  62     struct S7 {
  63       void bar() { Inner::f(); }
  64       struct Inner {
  65         friend void bar();
  66         static void f() {}
  67       };
  68     };
  69
  70     void bar(); // expected-note {{'bar' declared here}}
  71     struct S8 {
  72       struct Inner {
  73         friend void bar();
  74       };
  75     };
  76
  77     struct S9 {
  78       struct Inner {
  79         friend void baz(); // expected-error {{no matching function 'baz' found in local scope; did you mean 'bar'?}}
  80       };
  81     };
  82
  83     struct S10 {
  84       void quux() {}
  85       void foo() {
  86         struct Inner1 {
  87           friend void bar(); // expected-error {{no matching function 'bar' found in local scope; did you mean '::test2::bar'?}}
  88           friend void quux(); // expected-error {{no matching function found in local scope}}
  89         };
  90
  91         void bar();
  92         struct Inner2 {
  93           friend void bar();
  94         };
  95       }
  96     };
  97   }
  98 }