a90c6dd460
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@224658 91177308-0d34-0410-b5e6-96231b3b80d8
36 lines
704 B
C++
36 lines
704 B
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// UNSUPPORTED: libcpp-has-no-threads
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// <future>
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// class future<R>
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// future();
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#include <future>
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#include <cassert>
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int main()
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{
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{
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std::future<int> f;
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assert(!f.valid());
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}
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{
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std::future<int&> f;
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assert(!f.valid());
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}
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{
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std::future<void> f;
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assert(!f.valid());
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}
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}
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