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