1//===----------------------------------------------------------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is dual licensed under the MIT and the University of Illinois Open
6// Source Licenses. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10// <tuple>
11
12// template <class... Types> class tuple;
13
14// explicit tuple(const T&...);
15
16// UNSUPPORTED: c++98, c++03
17
18#include <tuple>
19#include <string>
20#include <cassert>
21
22struct ExplicitCopy {
23  ExplicitCopy(int) {}
24  explicit ExplicitCopy(ExplicitCopy const&) {}
25};
26
27std::tuple<ExplicitCopy> const_explicit_copy() {
28    const ExplicitCopy e(42);
29    return {e};
30    // expected-error@-1 {{chosen constructor is explicit in copy-initialization}}
31}
32
33
34std::tuple<ExplicitCopy> non_const_explicit_copy() {
35    ExplicitCopy e(42);
36    return {e};
37    // expected-error@-1 {{chosen constructor is explicit in copy-initialization}}
38}
39
40std::tuple<ExplicitCopy> const_explicit_copy_no_brace() {
41    const ExplicitCopy e(42);
42    return e;
43    // expected-error@-1 {{no viable conversion}}
44}
45
46int main()
47{
48}
49