41 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			41 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| // RUN: %clang_cc1 -fsyntax-only -verify %s
 | |
| 
 | |
| class A {};
 | |
| 
 | |
| namespace B {
 | |
|   namespace A {} // expected-note{{namespace '::B::A' defined here}} \
 | |
|                  // expected-note 2{{namespace 'B::A' defined here}}
 | |
|   using namespace A ;
 | |
| }
 | |
| 
 | |
| namespace C {} // expected-note{{namespace 'C' defined here}}
 | |
| 
 | |
| 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::F ; // expected-error{{expected namespace name}}
 | |
|   using namespace ::D::C ; // expected-error{{no namespace named 'C' in namespace 'D'; did you mean simply 'C'?}}
 | |
| }
 | |
| 
 | |
| 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{{no namespace named 'A' in the global namespace; did you mean 'B::A'?}} \
 | |
|                     // expected-error{{expected ';' after namespace name}}
 | |
|                     B ; 
 | |
| 
 | |
| void test_nslookup() {
 | |
|   int B;
 | |
|   class C;
 | |
|   using namespace B;
 | |
|   using namespace C;
 | |
| }
 | 
