82 lines
1.8 KiB
C++
82 lines
1.8 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// UNSUPPORTED: c++98, c++03
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// <filesystem>
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// class path
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// void swap(path& rhs) noexcept;
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#include "filesystem_include.hpp"
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#include <type_traits>
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#include <cassert>
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#include "test_macros.h"
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#include "test_iterators.h"
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#include "count_new.hpp"
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#include "filesystem_test_helper.hpp"
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struct SwapTestcase {
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const char* value1;
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const char* value2;
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};
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#define LONG_STR1 "_THIS_IS_LONG_THIS_IS_LONG_THIS_IS_LONG_THIS_IS_LONG_THIS_IS_LONG_THIS_IS_LONG_THIS_IS_LONG"
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#define LONG_STR2 "_THIS_IS_LONG2_THIS_IS_LONG2_THIS_IS_LONG2_THIS_IS_LONG2_THIS_IS_LONG2_THIS_IS_LONG2_THIS_IS_LONG2"
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const SwapTestcase TestCases[] =
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{
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{"", ""}
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, {"shortstr", LONG_STR1}
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, {LONG_STR1, "shortstr"}
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, {LONG_STR1, LONG_STR2}
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};
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#undef LONG_STR1
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#undef LONG_STR2
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int main(int, char**)
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{
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using namespace fs;
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{
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path p;
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ASSERT_NOEXCEPT(p.swap(p));
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ASSERT_SAME_TYPE(void, decltype(p.swap(p)));
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}
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for (auto const & TC : TestCases) {
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path p1(TC.value1);
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path p2(TC.value2);
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{
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DisableAllocationGuard g;
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p1.swap(p2);
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}
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assert(p1 == TC.value2);
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assert(p2 == TC.value1);
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{
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DisableAllocationGuard g;
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p1.swap(p2);
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}
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assert(p1 == TC.value1);
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assert(p2 == TC.value2);
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}
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// self-swap
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{
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const char* Val = "aoeuaoeuaoeuaoeuaoeuaoeuaoeuaoeuaoeu";
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path p1(Val);
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assert(p1 == Val);
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{
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DisableAllocationGuard g;
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p1.swap(p1);
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}
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assert(p1 == Val);
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}
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return 0;
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}
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