forked from OSchip/llvm-project
109 lines
3.4 KiB
C++
109 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++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.h"
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#include <cassert>
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#include <iterator>
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#include <type_traits>
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#include "test_macros.h"
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#include "filesystem_test_helper.h"
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void checkIteratorConcepts() {
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using namespace fs;
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using It = path::iterator;
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using Traits = std::iterator_traits<It>;
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ASSERT_SAME_TYPE(path::const_iterator, It);
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#if TEST_STD_VER > 17
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static_assert(std::bidirectional_iterator<It>);
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#endif
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ASSERT_SAME_TYPE(Traits::value_type, path);
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LIBCPP_STATIC_ASSERT(std::is_same<Traits::iterator_category, std::input_iterator_tag>::value, "");
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LIBCPP_STATIC_ASSERT(std::is_same<Traits::pointer, path const*>::value, "");
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LIBCPP_STATIC_ASSERT(std::is_same<Traits::reference, path>::value, "");
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{
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It it;
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ASSERT_SAME_TYPE(It&, decltype(++it));
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ASSERT_SAME_TYPE(It, decltype(it++));
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ASSERT_SAME_TYPE(It&, decltype(--it));
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ASSERT_SAME_TYPE(It, decltype(it--));
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ASSERT_SAME_TYPE(Traits::reference, decltype(*it));
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ASSERT_SAME_TYPE(Traits::pointer, decltype(it.operator->()));
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#ifdef _WIN32
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ASSERT_SAME_TYPE(std::wstring const&, decltype(it->native()));
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#else
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ASSERT_SAME_TYPE(std::string const&, decltype(it->native()));
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#endif
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ASSERT_SAME_TYPE(bool, decltype(it == it));
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ASSERT_SAME_TYPE(bool, decltype(it != it));
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}
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{
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path const p;
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ASSERT_SAME_TYPE(It, decltype(p.begin()));
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ASSERT_SAME_TYPE(It, decltype(p.end()));
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assert(p.begin() == p.end());
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}
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}
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void checkBeginEndBasic() {
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using namespace fs;
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using It = path::iterator;
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{
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path const p;
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ASSERT_SAME_TYPE(It, decltype(p.begin()));
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ASSERT_SAME_TYPE(It, decltype(p.end()));
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assert(p.begin() == p.end());
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}
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{
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path const p("foo");
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It default_constructed;
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default_constructed = p.begin();
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assert(default_constructed == p.begin());
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assert(default_constructed != p.end());
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default_constructed = p.end();
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assert(default_constructed == p.end());
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assert(default_constructed != p.begin());
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}
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{
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path p("//root_name//first_dir////second_dir");
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#ifdef _WIN32
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const path expect[] = {"//root_name", "/", "first_dir", "second_dir"};
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#else
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const path expect[] = {"/", "root_name", "first_dir", "second_dir"};
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#endif
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assert(checkCollectionsEqual(p.begin(), p.end(), std::begin(expect), std::end(expect)));
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assert(checkCollectionsEqualBackwards(p.begin(), p.end(), std::begin(expect), std::end(expect)));
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}
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{
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path p("////foo/bar/baz///");
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const path expect[] = {"/", "foo", "bar", "baz", ""};
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assert(checkCollectionsEqual(p.begin(), p.end(), std::begin(expect), std::end(expect)));
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assert(checkCollectionsEqualBackwards(p.begin(), p.end(), std::begin(expect), std::end(expect)));
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}
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}
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int main(int, char**) {
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using namespace fs;
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checkIteratorConcepts();
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checkBeginEndBasic(); // See path.decompose.pass.cpp for more tests.
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return 0;
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}
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