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1e34c76d33
This is a fairly large patch that implements all of the filesystem NB comments
and the relative paths changes (ex. adding weakly_canonical). These issues
and papers are all interrelated so their implementation couldn't be split up
nicely.
This patch upgrades <experimental/filesystem> to match the C++17 spec and not
the published experimental TS spec. Some of the changes in this patch are both
API and ABI breaking, however libc++ makes no guarantee about stability for
experimental implementations.
The major changes in this patch are:
* Implement NB comments for filesystem (P0492R2), including:
* Implement `perm_options` enum as part of NB comments, and update the
`permissions` function to match.
* Implement changes to `remove_filename` and `replace_filename`
* Implement changes to `path::stem()` and `path::extension()` which support
splitting examples like `.profile`.
* Change path iteration to return an empty path instead of '.' for trailing
separators.
* Change `operator/=` to handle absolute paths on the RHS.
* Change `absolute` to no longer accept a current path argument.
* Implement relative paths according to NB comments (P0219r1)
* Combine `path.cpp` and `operations.cpp` since some path functions require
access to the operations internals, and some fs operations require access
to the path parser.
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@329028 91177308-0d34-0410-b5e6-96231b3b80d8
106 lines
3.1 KiB
C++
106 lines
3.1 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// UNSUPPORTED: c++98, c++03
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// <experimental/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 <iterator>
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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 "filesystem_test_helper.hpp"
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template <class It>
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std::reverse_iterator<It> mkRev(It it) {
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return std::reverse_iterator<It>(it);
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}
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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(Traits::iterator_category, std::bidirectional_iterator_tag);
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ASSERT_SAME_TYPE(Traits::value_type, path);
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ASSERT_SAME_TYPE(Traits::pointer, path const*);
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ASSERT_SAME_TYPE(Traits::reference, path const&);
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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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ASSERT_SAME_TYPE(std::string const&, decltype(it->native()));
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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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const path expect[] = {"/", "root_name", "first_dir", "second_dir"};
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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() {
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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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}
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