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//===----------------------------------------------------------------------===//
//
// 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
// <filesystem>
// void swap(path& lhs, path& rhs) noexcept;
#include "filesystem_include.h"
#include <type_traits>
#include <cassert>
#include "test_macros.h"
#include "count_new.h"
#include "filesystem_test_helper.h"
// NOTE: this is tested in path.members/path.modifiers via the member swap.
int main(int, char**)
{
using namespace fs;
const char* value1 = "foo/bar/baz";
const char* value2 = "_THIS_IS_LONG_THIS_IS_LONG_THIS_IS_LONG_THIS_IS_LONG_THIS_IS_LONG_THIS_IS_LONG_THIS_IS_LONG";
{
path p1(value1);
path p2(value2);
fs::path::string_type ps1 = p1.native();
fs::path::string_type ps2 = p2.native();
DisableAllocationGuard g;
swap(p1, p2);
ASSERT_NOEXCEPT(swap(p1, p2));
ASSERT_SAME_TYPE(void, decltype(swap(p1, p2)));
assert(p1.native() == ps2);
assert(p2.native() == ps1);
swap(p1, p2);
assert(p1.native() == ps1);
assert(p2.native() == ps2);
}
// Test the swap two-step idiom
{
path p1(value1);
path p2(value2);
fs::path::string_type ps1 = p1.native();
fs::path::string_type ps2 = p2.native();
DisableAllocationGuard g;
using namespace std;
swap(p1, p2);
ASSERT_NOEXCEPT(swap(p1, p2));
ASSERT_SAME_TYPE(void, decltype(swap(p1, p2)));
assert(p1.native() == ps2);
assert(p2.native() == ps1);
swap(p1, p2);
assert(p1.native() == ps1);
assert(p2.native() == ps2);
}
return 0;
}
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