You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
libcxx/test/std/input.output/filesystems/class.path/path.nonmember/swap.pass.cpp

50 lines
1.3 KiB
C++

//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++98, c++03
// <filesystem>
// void swap(path& lhs, path& rhs) noexcept;
#include "filesystem_include.hpp"
#include <type_traits>
#include <cassert>
#include "test_macros.h"
#include "count_new.hpp"
#include "filesystem_test_helper.hpp"
// NOTE: this is tested in path.members/path.modifiers via the member swap.
int main()
{
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);
{
using namespace std; using namespace fs;
ASSERT_NOEXCEPT(swap(p1, p2));
ASSERT_SAME_TYPE(void, decltype(swap(p1, p2)));
}
{
DisableAllocationGuard g;
using namespace std;
using namespace fs;
swap(p1, p2);
assert(p1.native() == value2);
assert(p2.native() == value1);
swap(p1, p2);
assert(p1.native() == value1);
assert(p2.native() == value2);
}
}