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| // RUN: %clang_cc1 -fsyntax-only -verify %s
// RUN: %clang_cc1 -fsyntax-only -verify -std=c++98 %s
// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s
namespace Ints {
int zero = 0; // expected-note {{candidate found by name lookup is 'Ints::zero'}}
void f(int); // expected-note 3 {{candidate function}}
void g(int);
}
namespace Floats {
float zero = 0.0f; // expected-note {{candidate found by name lookup is 'Floats::zero'}}
void f(float); // expected-note 3 {{candidate function}}
void g(float);
}
namespace Numbers {
using namespace Ints;
using namespace Floats;
}
void test() {
int i = Ints::zero;
Ints::f(i);
float f = Floats::zero;
Floats::f(f);
double n = Numbers::zero; // expected-error {{reference to 'zero' is ambiguous}}
Numbers::f(n); // expected-error{{call to 'f' is ambiguous}}
Numbers::f(i);
Numbers::f(f);
}
namespace Numbers {
struct Number { // expected-note 2 {{candidate constructor (the implicit copy constructor) not viable}}
#if __cplusplus >= 201103L // C++11 or later
// expected-note@-2 2 {{candidate constructor (the implicit move constructor) not viable}}
#endif
explicit Number(double d) : d(d) {}
double d;
};
Number zero(0.0f);
void g(Number); // expected-note 2{{passing argument to parameter here}}
}
void test2() {
Numbers::Number n = Numbers::zero;
Numbers::f(n); // expected-error {{no matching function for call to 'f'}}
Numbers::g(n);
}
namespace Numbers2 {
using Numbers::f;
using Numbers::g;
}
void test3() {
Numbers::Number n = Numbers::zero;
Numbers2::f(n); // expected-error {{no matching function for call to 'f'}}
Numbers2::g(n);
int i = Ints::zero;
Numbers2::f(i);
Numbers2::g(i); // expected-error {{no viable conversion from 'int' to 'Numbers::Number'}}
float f = Floats::zero;
Numbers2::f(f);
Numbers2::g(f); // expected-error {{no viable conversion from 'float' to 'Numbers::Number'}}
}
namespace inline_ns {
int x; // expected-note 2{{found}}
inline namespace A {
#if __cplusplus <= 199711L // C++03 or earlier
// expected-warning@-2 {{inline namespaces are a C++11 feature}}
#endif
int x; // expected-note 2{{found}}
int y; // expected-note 2{{found}}
}
int y; // expected-note 2{{found}}
int k1 = x + y; // expected-error 2{{ambiguous}}
int k2 = inline_ns::x + inline_ns::y; // expected-error 2{{ambiguous}}
}
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