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: c++98, c++03 11 12 // <experimental/filesystem> 13 14 // class path 15 16 // path& operator=(path&&) noexcept 17 18 #include <experimental/filesystem> 19 #include <type_traits> 20 #include <cassert> 21 22 #include "test_macros.h" 23 #include "count_new.hpp" 24 25 namespace fs = std::experimental::filesystem; 26 27 int main() { 28 using namespace fs; 29 static_assert(std::is_nothrow_move_assignable<path>::value, ""); 30 assert(globalMemCounter.checkOutstandingNewEq(0)); 31 const std::string s("we really really really really really really really " 32 "really really long string so that we allocate"); 33 assert(globalMemCounter.checkOutstandingNewEq(1)); 34 path p(s); 35 { 36 DisableAllocationGuard g; 37 path p2; 38 path& pref = (p2 = std::move(p)); 39 assert(p2.native() == s); 40 assert(p.native() != s); // Testing moved from state 41 assert(&pref == &p2); 42 } 43 } 44