copy_ctor.verify.cpp
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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
// <future>
// class promise<R>
// promise(const promise&) = delete;
#include <future>
#include "test_macros.h"
int main(int, char**)
{
{
std::promise<int> p0;
std::promise<int> p(p0); // expected-error {{call to deleted constructor of 'std::promise<int>'}}
}
{
std::promise<int &> p0;
std::promise<int &> p(p0); // expected-error {{call to deleted constructor of 'std::promise<int &>'}}
}
{
std::promise<void> p0;
std::promise<void> p(p0); // expected-error {{call to deleted constructor of 'std::promise<void>'}}
}
return 0;
}