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Diffstat (limited to 'libstdc++-v3/testsuite/27_io/filesystem/path/decompose/relative_path.cc')
-rw-r--r-- | libstdc++-v3/testsuite/27_io/filesystem/path/decompose/relative_path.cc | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/27_io/filesystem/path/decompose/relative_path.cc b/libstdc++-v3/testsuite/27_io/filesystem/path/decompose/relative_path.cc new file mode 100644 index 00000000000..c8649724671 --- /dev/null +++ b/libstdc++-v3/testsuite/27_io/filesystem/path/decompose/relative_path.cc @@ -0,0 +1,70 @@ +// { dg-options "-std=gnu++17 -lstdc++fs" } +// { dg-do run { target c++17 } } +// { dg-require-filesystem-ts "" } + +// Copyright (C) 2014-2017 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 3, or (at your option) +// any later version. + +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. + +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING3. If not see +// <http://www.gnu.org/licenses/>. + +// 8.4.9 path decomposition [path.decompose] + +#include <filesystem> +#include <testsuite_hooks.h> +#include <testsuite_fs.h> + +using std::filesystem::path; + +void +test01() +{ + path p1 = "foo"; + VERIFY( p1.relative_path() == p1 ); + path p2 = "foo/bar"; + VERIFY( p2.relative_path() == p2 ); + path p3 = "/foo/bar"; + VERIFY( p3.relative_path() == p2 ); +} + +#include <iostream> // XXX + +void +test02() +{ + for (const path& p : __gnu_test::test_paths) + { + bool after_root = false; + const path prel = p.relative_path(); + VERIFY( !prel.has_root_name() ); + path rel; + for (const auto& cmpt : p) + { + if (!cmpt.has_root_path()) + after_root = true; + if (after_root) + rel /= cmpt; + } + if (prel != rel) + std::cout << prel << ' ' << rel << '\n'; + VERIFY( prel == rel ); + } +} + +int +main() +{ + test01(); + test02(); +} |