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++98, c++03
10 
11 // <filesystem>
12 
13 // class path
14 
15 // path& operator=(path&&) noexcept
16 
17 #include "filesystem_include.hpp"
18 #include <type_traits>
19 #include <cassert>
20 
21 #include "test_macros.h"
22 #include "count_new.hpp"
23 
24 
25 int 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   path p(s);
33   {
34     DisableAllocationGuard g;
35     path p2;
36     path& pref = (p2 = std::move(p));
37     assert(p2.native() == s);
38     assert(p.native() != s); // Testing moved from state
39     assert(&pref == &p2);
40   }
41 
42   return 0;
43 }
44