1 //===----------------------------------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 // UNSUPPORTED: c++03 10 11 // <filesystem> 12 13 // class path 14 15 // path& operator=(path&&) noexcept 16 17 #include "filesystem_include.h" 18 #include <type_traits> 19 #include <cassert> 20 21 #include "test_macros.h" 22 #include "count_new.h" 23 24 main(int,char **)25int main(int, char**) { 26 using namespace fs; 27 static_assert(std::is_nothrow_move_assignable<path>::value, ""); 28 assert(globalMemCounter.checkOutstandingNewEq(0)); 29 const std::string s("we really really really really really really really " 30 "really really long string so that we allocate"); 31 assert(globalMemCounter.checkOutstandingNewEq(1)); 32 const fs::path::string_type ps(s.begin(), s.end()); 33 path p(s); 34 { 35 DisableAllocationGuard g; 36 path p2; 37 path& pref = (p2 = std::move(p)); 38 assert(p2.native() == ps); 39 assert(p.native() != ps); // Testing moved from state 40 assert(&pref == &p2); 41 } 42 43 return 0; 44 } 45