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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++98, c++03
// <filesystem>
// class path
// void swap(path& rhs) noexcept;
#include "filesystem_include.hpp"
#include <type_traits>
#include <cassert>
#include "test_macros.h"
#include "test_iterators.h"
#include "count_new.hpp"
#include "filesystem_test_helper.hpp"
struct SwapTestcase {
const char* value1;
const char* value2;
};
#define LONG_STR1 "_THIS_IS_LONG_THIS_IS_LONG_THIS_IS_LONG_THIS_IS_LONG_THIS_IS_LONG_THIS_IS_LONG_THIS_IS_LONG"
#define LONG_STR2 "_THIS_IS_LONG2_THIS_IS_LONG2_THIS_IS_LONG2_THIS_IS_LONG2_THIS_IS_LONG2_THIS_IS_LONG2_THIS_IS_LONG2"
const SwapTestcase TestCases[] =
{
{"", ""}
, {"shortstr", LONG_STR1}
, {LONG_STR1, "shortstr"}
, {LONG_STR1, LONG_STR2}
};
#undef LONG_STR1
#undef LONG_STR2
int main(int, char**)
{
using namespace fs;
{
path p;
ASSERT_NOEXCEPT(p.swap(p));
ASSERT_SAME_TYPE(void, decltype(p.swap(p)));
}
for (auto const & TC : TestCases) {
path p1(TC.value1);
path p2(TC.value2);
{
DisableAllocationGuard g;
p1.swap(p2);
}
assert(p1 == TC.value2);
assert(p2 == TC.value1);
{
DisableAllocationGuard g;
p1.swap(p2);
}
assert(p1 == TC.value1);
assert(p2 == TC.value2);
}
// self-swap
{
const char* Val = "aoeuaoeuaoeuaoeuaoeuaoeuaoeuaoeuaoeu";
path p1(Val);
assert(p1 == Val);
{
DisableAllocationGuard g;
p1.swap(p1);
}
assert(p1 == Val);
}
return 0;
}
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