clang/test/CXX/basic/basic.lookup/basic.lookup.udir/p1.cpp

   1 // RUN: %clang_cc1 -fsyntax-only -verify %s
   2 // expected-no-diagnostics
   3
   4 // When looking up a namespace-name in a using-directive or
   5 // namespace-alias-definition, only namespace names are considered.
   6
   7 struct ns1 {};
   8 void ns2();
   9 int ns3 = 0;
  10
  11 namespace ns0 {
  12   namespace ns1 {
  13     struct test0 {};
  14   }
  15   namespace ns2 {
  16     struct test1 {};
  17   }
  18   namespace ns3 {
  19     struct test2 {};
  20   }
  21 }
  22
  23 using namespace ns0;
  24
  25 namespace test3 = ns1;
  26 namespace test4 = ns2;
  27 namespace test5 = ns3;
  28
  29 using namespace ns1;
  30 using namespace ns2;
  31 using namespace ns3;
  32
  33 test0 a;
  34 test1 b;
  35 test2 c;
  36