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// <mutex> 11 12// template <class Mutex> class unique_lock; 13 14// unique_lock(); 15 16#include <mutex> 17#include <cassert> 18 19int main() 20{ 21 std::unique_lock<std::mutex> ul; 22 assert(!ul.owns_lock()); 23 assert(ul.mutex() == nullptr); 24} 25