1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++03, c++11, c++14
// UNSUPPORTED: availability-filesystem-missing
// <filesystem>
// class path
// path& operator=(path&&) noexcept
#include <filesystem>
#include <cassert>
#include <string>
#include <type_traits>
#include "test_macros.h"
#include "count_new.h"
namespace fs = std::filesystem;
int main(int, char**) {
using namespace fs;
static_assert(std::is_nothrow_move_assignable<path>::value, "");
assert(globalMemCounter.checkOutstandingNewEq(0));
const std::string s("we really really really really really really really "
"really really long string so that we allocate");
ASSERT_WITH_LIBRARY_INTERNAL_ALLOCATIONS(
globalMemCounter.checkOutstandingNewLessThanOrEqual(1));
const fs::path::string_type ps(s.begin(), s.end());
path p(s);
{
DisableAllocationGuard g;
path p2;
path& pref = (p2 = std::move(p));
assert(p2.native() == ps);
assert(p.native() != ps); // Testing moved from state
assert(&pref == &p2);
}
return 0;
}
|
