1// RUN: %clang_cc1 -fsyntax-only -verify %s 2 3class A {}; 4 5namespace B { 6 namespace A {} 7 using namespace A ; 8} 9 10namespace C {} 11 12namespace D { 13 14 class C { 15 16 using namespace B ; // expected-error{{not allowed}} 17 }; 18 19 namespace B {} 20 21 using namespace C ; 22 using namespace B::A ; // expected-error{{expected namespace name}} 23 //FIXME: would be nice to note, that A is not member of D::B 24 using namespace ::B::A ; 25 using namespace ::D::C ; // expected-error{{expected namespace name}} 26} 27 28using namespace ! ; // expected-error{{expected namespace name}} 29using namespace A ; // expected-error{{expected namespace name}} 30using namespace ::A // expected-error{{expected namespace name}} \ 31 // expected-error{{expected ';' after namespace name}} 32 B ; 33 34void test_nslookup() { 35 int B; 36 class C; 37 using namespace B; 38 using namespace C; 39} 40 41