llvm-project/clang/test/Parser/cxx-using-directive.cpp

40 lines
1013 B
C++

// RUN: %clang_cc1 -fsyntax-only -verify %s
class A {};
namespace B {
namespace A {} // expected-note{{namespace '::B::A' defined here}} \
// expected-note{{namespace 'B::A' defined here}}
using namespace A ;
}
namespace C {}
namespace D {
class C {
using namespace B ; // expected-error{{not allowed}}
};
namespace B {}
using namespace C ;
using namespace B::A ; // expected-error{{no namespace named 'A' in namespace 'D::B'; did you mean '::B::A'?}}
using namespace ::B::A ;
using namespace ::D::C ; // expected-error{{expected namespace name}}
}
using namespace ! ; // expected-error{{expected namespace name}}
using namespace A ; // expected-error{{no namespace named 'A'; did you mean 'B::A'?}}
using namespace ::A // expected-error{{expected namespace name}} \
// expected-error{{expected ';' after namespace name}}
B ;
void test_nslookup() {
int B;
class C;
using namespace B;
using namespace C;
}