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 12 // <mutex> 13 14 // template <class Mutex> class unique_lock; 15 16 // unique_lock(); 17 18 #include <mutex> 19 #include <cassert> 20 21 int main() 22 { 23 std::unique_lock<std::mutex> ul; 24 assert(!ul.owns_lock()); 25 assert(ul.mutex() == nullptr); 26 } 27
