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 // UNSUPPORTED: libcpp-has-no-threads 11 // UNSUPPORTED: c++98, c++03, c++11 12 13 // <shared_mutex> 14 15 // template <class Mutex> class shared_lock; 16 17 // shared_lock(shared_lock&& u); 18 19 #include <shared_mutex> 20 #include <cassert> 21 #include "nasty_containers.hpp" 22 23 int main() 24 { 25 { 26 typedef std::shared_timed_mutex M; 27 M m; 28 std::shared_lock<M> lk0(m); 29 std::shared_lock<M> lk = std::move(lk0); 30 assert(lk.mutex() == std::addressof(m)); 31 assert(lk.owns_lock() == true); 32 assert(lk0.mutex() == nullptr); 33 assert(lk0.owns_lock() == false); 34 } 35 { 36 typedef nasty_mutex M; 37 M m; 38 std::shared_lock<M> lk0(m); 39 std::shared_lock<M> lk = std::move(lk0); 40 assert(lk.mutex() == std::addressof(m)); 41 assert(lk.owns_lock() == true); 42 assert(lk0.mutex() == nullptr); 43 assert(lk0.owns_lock() == false); 44 } 45 } 46