88 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			88 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			C++
		
	
	
	
| // RUN: rm -rf %t
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| // RUN: %clang_cc1 -x objective-c++ -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -I %S/Inputs %s -verify
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| 
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| int &global(int);
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| int &global2(int);
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| 
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| namespace N6 {
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|   char &f(char);
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| }
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| 
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| namespace N8 { }
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| 
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| namespace LookupBeforeImport {
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|   int &f(int);
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| }
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| void testEarly() {
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|   int &r = LookupBeforeImport::f(1);
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| }
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| 
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| @import namespaces_left;
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| @import namespaces_right;
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| 
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| void test() {
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|   int &ir1 = N1::f(1);
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|   int &ir2 = N2::f(1);
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|   int &ir3 = N3::f(1);
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|   int &ir4 = global(1);
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|   int &ir5 = ::global2(1);
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|   float &fr1 = N1::f(1.0f);
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|   float &fr2 = N2::f(1.0f);
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|   float &fr3 = global(1.0f);
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|   float &fr4 = ::global2(1.0f);
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|   float &fr5 = LookupBeforeImport::f(1.0f);
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|   double &dr1 = N2::f(1.0);
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|   double &dr2 = N3::f(1.0);
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|   double &dr3 = global(1.0);
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|   double &dr4 = ::global2(1.0);
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|   double &dr5 = LookupBeforeImport::f(1.0);
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| 
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|   struct AddAndReexportBeforeImport::S s;
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|   int k = AddAndReexportBeforeImport::S;
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| }
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| 
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| // Test namespaces merged without a common first declaration.
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| namespace N5 {
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|   char &f(char);
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| }
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| 
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| namespace N10 { 
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|   int &f(int);
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| }
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| 
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| void testMerged() {
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|   int &ir1 = N5::f(17);
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|   int &ir2 = N6::f(17);
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|   int &ir3 = N7::f(17);
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|   double &fr1 = N5::f(1.0);
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|   double &fr2 = N6::f(1.0);
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|   double &fr3 = N7::f(1.0);
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|   char &cr1 = N5::f('a');
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|   char &cr2 = N6::f('b');
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| }
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| 
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| // Test merging of declarations within namespaces that themselves were
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| // merged without a common first declaration.
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| void testMergedMerged() {
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|   int &ir1 = N8::f(17);
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|   int &ir2 = N9::f(17);
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|   int &ir3 = N10::f(17);
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| }
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| 
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| // Test merging when using anonymous namespaces, which does not
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| // actually perform any merging.
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| void testAnonymousNotMerged() {
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|   N11::consumeFoo(N11::getFoo()); // expected-error{{cannot initialize a parameter of type 'N11::(anonymous namespace)::Foo *' with an rvalue of type 'N11::(anonymous namespace)::Foo *'}}
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|   N12::consumeFoo(N12::getFoo()); // expected-error{{cannot initialize a parameter of type 'N12::(anonymous namespace)::Foo *' with an rvalue of type 'N12::(anonymous namespace)::Foo *'}}
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| }
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| 
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| // expected-note@Inputs/namespaces-right.h:60 {{passing argument to parameter here}}
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| // expected-note@Inputs/namespaces-right.h:67 {{passing argument to parameter here}}
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| 
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| // Test that bringing in one name from an overload set does not hide the rest.
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| void testPartialImportOfOverloadSet() {
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|   void (*p)() = N13::p;
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|   p();
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|   N13::f(0);
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| }
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