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, c++11, c++14 |
10 | // UNSUPPORTED: availability-filesystem-missing |
11 | |
12 | // <filesystem> |
13 | |
14 | // class path |
15 | |
16 | // path& operator=(path&&) noexcept |
17 | |
18 | #include <filesystem> |
19 | #include <cassert> |
20 | #include <string> |
21 | #include <type_traits> |
22 | |
23 | #include "test_macros.h" |
24 | #include "count_new.h" |
25 | namespace fs = std::filesystem; |
26 | |
27 | int main(int, char**) { |
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_WITH_LIBRARY_INTERNAL_ALLOCATIONS( |
34 | globalMemCounter.checkOutstandingNewLessThanOrEqual(1)); |
35 | const fs::path::string_type ps(s.begin(), s.end()); |
36 | path p(s); |
37 | { |
38 | DisableAllocationGuard g; |
39 | path p2; |
40 | path& pref = (p2 = std::move(p)); |
41 | assert(p2.native() == ps); |
42 | assert(p.native() != ps); // Testing moved from state |
43 | assert(&pref == &p2); |
44 | } |
45 | |
46 | return 0; |
47 | } |
48 | |