131 lines
3.4 KiB
C++
131 lines
3.4 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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// template <class Source>
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// path(const Source& source);
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// template <class InputIterator>
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// path(InputIterator first, InputIterator last);
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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 "min_allocator.h"
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#include "filesystem_test_helper.hpp"
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template <class CharT, class ...Args>
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void RunTestCaseImpl(MultiStringType const& MS, Args... args) {
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using namespace fs;
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const char* Expect = MS;
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const CharT* TestPath = MS;
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const CharT* TestPathEnd = StrEnd(TestPath);
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const std::size_t Size = TestPathEnd - TestPath;
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const std::size_t SSize = StrEnd(Expect) - Expect;
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assert(Size == SSize);
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// StringTypes
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{
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const std::basic_string<CharT> S(TestPath);
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path p(S, args...);
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assert(p.native() == Expect);
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assert(p.string<CharT>() == TestPath);
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assert(p.string<CharT>() == S);
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}
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{
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const std::basic_string_view<CharT> S(TestPath);
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path p(S, args...);
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assert(p.native() == Expect);
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assert(p.string<CharT>() == TestPath);
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assert(p.string<CharT>() == S);
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}
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// Char* pointers
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{
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path p(TestPath, args...);
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assert(p.native() == Expect);
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assert(p.string<CharT>() == TestPath);
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}
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{
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path p(TestPath, TestPathEnd, args...);
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assert(p.native() == Expect);
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assert(p.string<CharT>() == TestPath);
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}
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// Iterators
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{
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using It = input_iterator<const CharT*>;
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path p(It{TestPath}, args...);
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assert(p.native() == Expect);
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assert(p.string<CharT>() == TestPath);
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}
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{
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using It = input_iterator<const CharT*>;
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path p(It{TestPath}, It{TestPathEnd}, args...);
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assert(p.native() == Expect);
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assert(p.string<CharT>() == TestPath);
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}
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}
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template <class CharT, class ...Args>
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void RunTestCase(MultiStringType const& MS) {
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RunTestCaseImpl<CharT>(MS);
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RunTestCaseImpl<CharT>(MS, fs::path::format::auto_format);
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RunTestCaseImpl<CharT>(MS, fs::path::format::native_format);
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RunTestCaseImpl<CharT>(MS, fs::path::format::generic_format);
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}
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void test_sfinae() {
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using namespace fs;
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{
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using It = const char* const;
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static_assert(std::is_constructible<path, It>::value, "");
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}
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{
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using It = input_iterator<const char*>;
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static_assert(std::is_constructible<path, It>::value, "");
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}
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{
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struct Traits {
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using iterator_category = std::input_iterator_tag;
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using value_type = const char;
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using pointer = const char*;
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using reference = const char&;
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using difference_type = std::ptrdiff_t;
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};
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using It = input_iterator<const char*, Traits>;
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static_assert(std::is_constructible<path, It>::value, "");
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}
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{
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using It = output_iterator<const char*>;
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static_assert(!std::is_constructible<path, It>::value, "");
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}
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{
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static_assert(!std::is_constructible<path, int*>::value, "");
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}
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}
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int main(int, char**) {
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for (auto const& MS : PathList) {
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RunTestCase<char>(MS);
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RunTestCase<wchar_t>(MS);
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RunTestCase<char16_t>(MS);
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RunTestCase<char32_t>(MS);
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}
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test_sfinae();
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return 0;
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}
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