forked from OSchip/llvm-project
82 lines
1.9 KiB
C++
82 lines
1.9 KiB
C++
// RUN: %clang_cc1 -std=c++0x -fsyntax-only -verify %s
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struct one { char c[1]; };
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struct two { char c[2]; };
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namespace objects {
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struct X1 { X1(int); };
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struct X2 { explicit X2(int); }; // expected-note 2 {{candidate constructor}}
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template <int N>
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struct A {
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A() { static_assert(N == 0, ""); }
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A(int, double) { static_assert(N == 1, ""); }
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};
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template <int N>
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struct E {
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E(int, int) { static_assert(N == 0, ""); }
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E(X1, int) { static_assert(N == 1, ""); }
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};
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void overload_resolution() {
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{ A<0> a{}; }
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{ A<0> a = {}; }
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{ A<1> a{1, 1.0}; }
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{ A<1> a = {1, 1.0}; }
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{ E<0> e{1, 2}; }
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}
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void explicit_implicit() {
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{ X1 x{0}; }
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{ X1 x = {0}; }
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{ X2 x{0}; }
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{ X2 x = {0}; } // expected-error {{no matching constructor}}
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}
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struct C {
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C();
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C(int, double);
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C(int, int);
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int operator[](C);
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};
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C function_call() {
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void takes_C(C);
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takes_C({1, 1.0});
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C c;
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c[{1, 1.0}];
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return {1, 1.0};
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}
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void inline_init() {
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(void) C{1, 1.0};
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(void) new C{1, 1.0};
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}
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struct B { // expected-note 2 {{candidate constructor}}
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B(C, int, C); // expected-note {{candidate constructor not viable: cannot convert initializer list argument to 'objects::C'}}
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};
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void nested_init() {
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B b1{{1, 1.0}, 2, {3, 4}};
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B b2{{1, 1.0, 4}, 2, {3, 4}}; // expected-error {{no matching constructor for initialization of 'objects::B'}}
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}
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void overloaded_call() {
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one ov1(B); // expected-note {{not viable: cannot convert initializer list}}
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two ov1(C); // expected-note {{not viable: cannot convert initializer list}}
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static_assert(sizeof(ov1({})) == sizeof(two), "bad overload");
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static_assert(sizeof(ov1({1, 2})) == sizeof(two), "bad overload");
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static_assert(sizeof(ov1({{1, 1.0}, 2, {3, 4}})) == sizeof(one), "bad overload");
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ov1({1}); // expected-error {{no matching function}}
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}
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}
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