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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: libcpp-has-no-threads
// UNSUPPORTED: c++98, c++03, c++11, c++14
// <mutex>
// template <class ...Mutex> class scoped_lock;
// explicit scoped_lock(Mutex&...);
#include <mutex>
#include "test_macros.h"
template <class LG>
void test_conversion(LG) {}
int main(int, char**)
{
using M = std::mutex;
M m0, m1, m2;
M n0, n1, n2;
{
using LG = std::scoped_lock<>;
LG lg = {}; // expected-error{{chosen constructor is explicit in copy-initialization}}
test_conversion<LG>({}); // expected-error{{no matching function for call}}
((void)lg);
}
{
using LG = std::scoped_lock<M>;
LG lg = {m0}; // expected-error{{chosen constructor is explicit in copy-initialization}}
test_conversion<LG>({n0}); // expected-error{{no matching function for call}}
((void)lg);
}
{
using LG = std::scoped_lock<M, M>;
LG lg = {m0, m1}; // expected-error{{chosen constructor is explicit in copy-initialization}}
test_conversion<LG>({n0, n1}); // expected-error{{no matching function for call}}
((void)lg);
}
{
using LG = std::scoped_lock<M, M, M>;
LG lg = {m0, m1, m2}; // expected-error{{chosen constructor is explicit in copy-initialization}}
test_conversion<LG>({n0, n1, n2}); // expected-error{{no matching function for call}}
}
return 0;
}
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