| 1 | // RUN: %clang_cc1 -fsyntax-only -verify %s |
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| 2 | // RUN: %clang_cc1 -fsyntax-only -verify -std=c++98 %s |
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| 3 | // RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s |
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| 4 | |
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| 5 | namespace Ints { |
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| 6 | int zero = 0; // expected-note {{candidate found by name lookup is 'Ints::zero'}} |
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| 7 | void f(int); // expected-note 3 {{candidate function}} |
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| 8 | void g(int); |
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| 9 | } |
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| 10 | |
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| 11 | namespace Floats { |
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| 12 | float zero = 0.0f; // expected-note {{candidate found by name lookup is 'Floats::zero'}} |
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| 13 | void f(float); // expected-note 3 {{candidate function}} |
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| 14 | void g(float); |
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| 15 | } |
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| 16 | |
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| 17 | namespace Numbers { |
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| 18 | using namespace Ints; |
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| 19 | using namespace Floats; |
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| 20 | } |
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| 21 | |
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| 22 | void test() { |
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| 23 | int i = Ints::zero; |
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| 24 | Ints::f(i); |
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| 25 | |
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| 26 | float f = Floats::zero; |
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| 27 | Floats::f(f); |
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| 28 | |
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| 29 | double n = Numbers::zero; // expected-error {{reference to 'zero' is ambiguous}} |
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| 30 | Numbers::f(n); // expected-error{{call to 'f' is ambiguous}} |
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| 31 | Numbers::f(i); |
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| 32 | Numbers::f(f); |
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| 33 | } |
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| 34 | |
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| 35 | namespace Numbers { |
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| 36 | struct Number { // expected-note 2 {{candidate constructor (the implicit copy constructor) not viable}} |
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| 37 | #if __cplusplus >= 201103L // C++11 or later |
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| 38 | // expected-note@-2 2 {{candidate constructor (the implicit move constructor) not viable}} |
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| 39 | #endif |
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| 40 | |
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| 41 | explicit Number(double d) : d(d) {} |
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| 42 | double d; |
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| 43 | }; |
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| 44 | Number zero(0.0f); |
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| 45 | void g(Number); // expected-note 2{{passing argument to parameter here}} |
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| 46 | } |
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| 47 | |
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| 48 | void test2() { |
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| 49 | Numbers::Number n = Numbers::zero; |
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| 50 | Numbers::f(n); // expected-error {{no matching function for call to 'f'}} |
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| 51 | Numbers::g(n); |
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| 52 | } |
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| 53 | |
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| 54 | namespace Numbers2 { |
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| 55 | using Numbers::f; |
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| 56 | using Numbers::g; |
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| 57 | } |
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| 58 | |
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| 59 | void test3() { |
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| 60 | Numbers::Number n = Numbers::zero; |
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| 61 | Numbers2::f(n); // expected-error {{no matching function for call to 'f'}} |
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| 62 | Numbers2::g(n); |
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| 63 | |
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| 64 | int i = Ints::zero; |
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| 65 | Numbers2::f(i); |
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| 66 | Numbers2::g(i); // expected-error {{no viable conversion from 'int' to 'Numbers::Number'}} |
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| 67 | |
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| 68 | float f = Floats::zero; |
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| 69 | Numbers2::f(f); |
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| 70 | Numbers2::g(f); // expected-error {{no viable conversion from 'float' to 'Numbers::Number'}} |
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| 71 | } |
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| 72 | |
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| 73 | namespace inline_ns { |
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| 74 | int x; // expected-note 2{{found}} |
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| 75 | inline namespace A { |
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| 76 | #if __cplusplus <= 199711L // C++03 or earlier |
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| 77 | // expected-warning@-2 {{inline namespaces are a C++11 feature}} |
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| 78 | #endif |
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| 79 | |
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| 80 | int x; // expected-note 2{{found}} |
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| 81 | int y; // expected-note 2{{found}} |
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| 82 | } |
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| 83 | int y; // expected-note 2{{found}} |
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| 84 | int k1 = x + y; // expected-error 2{{ambiguous}} |
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| 85 | int k2 = inline_ns::x + inline_ns::y; // expected-error 2{{ambiguous}} |
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| 86 | } |
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| 87 | |
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