diff options
Diffstat (limited to 'test/CXX/dcl.dcl/basic.namespace/namespace.def/namespace.memdef/p3.cpp')
-rw-r--r-- | test/CXX/dcl.dcl/basic.namespace/namespace.def/namespace.memdef/p3.cpp | 43 |
1 files changed, 42 insertions, 1 deletions
diff --git a/test/CXX/dcl.dcl/basic.namespace/namespace.def/namespace.memdef/p3.cpp b/test/CXX/dcl.dcl/basic.namespace/namespace.def/namespace.memdef/p3.cpp index 1f962a9..a5f314d 100644 --- a/test/CXX/dcl.dcl/basic.namespace/namespace.def/namespace.memdef/p3.cpp +++ b/test/CXX/dcl.dcl/basic.namespace/namespace.def/namespace.memdef/p3.cpp @@ -1,5 +1,47 @@ // RUN: %clang_cc1 -fsyntax-only %s +// C++'0x [namespace.memdef] p3: +// Every name first declared in a namespace is a member of that namespace. If +// a friend declaration in a non-local class first declares a class or +// function the friend class or function is a member of the innermost +// enclosing namespace. + +namespace N { + struct S0 { + friend struct F0; + friend void f0(int); + struct F0 member_func(); + }; + struct F0 { }; + F0 f0() { return S0().member_func(); } +} +N::F0 f0_var = N::f0(); + +// Ensure we can handle attaching friend declarations to an enclosing namespace +// with multiple contexts. +namespace N { struct S1 { struct IS1; }; } +namespace N { + struct S1::IS1 { + friend struct F1; + friend void f1(int); + struct F1 member_func(); + }; + struct F1 { }; + F1 f1() { return S1::IS1().member_func(); } +} +N::F1 f1_var = N::f1(); + +// The name of the friend is not found by unqualified lookup (3.4.1) or by +// qualified lookup (3.4.3) until a matching declaration is provided in that +// namespace scope (either before or after the class definition granting +// friendship). If a friend function is called, its name may be found by the +// name lookup that considers functions from namespaces and classes +// associated with the types of the function arguments (3.4.2). If the name +// in a friend declaration is neither qualified nor a template-id and the +// declaration is a function or an elaborated-type-specifier, the lookup to +// determine whether the entity has been previously declared shall not +// consider any scopes outside the innermost enclosing namespace. + template<typename T> struct X0 { }; struct X1 { }; @@ -11,5 +53,4 @@ struct Y { friend union X1; }; - // FIXME: Woefully inadequate for testing |