29b2fd371f
Tests that depend on filesystem permissions FAIL if run on Windows or as root. Add a helper function to detect those cases, so the tests can skip those checks gracefully. Signed-off-by: Jonathan Wakely <jwakely@redhat.com> libstdc++-v3/ChangeLog: PR libstdc++/90787 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Use new __gnu_test::permissions_are_testable() function. * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc: Likewise. * testsuite/27_io/filesystem/operations/exists.cc: Likewise. * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise. * testsuite/27_io/filesystem/operations/remove.cc: Likewise. * testsuite/27_io/filesystem/operations/remove_all.cc: Likewise. * testsuite/27_io/filesystem/operations/status.cc: Likewise. * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise. * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Likewise. * testsuite/experimental/filesystem/iterators/directory_iterator.cc: Likewise. * testsuite/experimental/filesystem/iterators/recursive_directory_iterator.cc: Likewise. * testsuite/experimental/filesystem/operations/exists.cc: Likewise. * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise. * testsuite/experimental/filesystem/operations/remove.cc: Likewise. * testsuite/experimental/filesystem/operations/remove_all.cc: Likewise. * testsuite/experimental/filesystem/operations/temp_directory_path.cc: Likewise. * testsuite/util/testsuite_fs.h (__gnu_test::permissions_are_testable): New function to guess whether testing permissions will work.
108 lines
2.6 KiB
C++
108 lines
2.6 KiB
C++
// Copyright (C) 2018-2021 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING3. If not see
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// <http://www.gnu.org/licenses/>.
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// { dg-options "-DUSE_FILESYSTEM_TS -lstdc++fs" }
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// { dg-do run { target c++11 } }
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// { dg-require-filesystem-ts "" }
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#include <filesystem>
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#include <testsuite_hooks.h>
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#include <testsuite_fs.h>
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namespace fs = std::experimental::filesystem;
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void
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test01()
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{
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std::error_code ec;
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const std::error_code bad_ec = make_error_code(std::errc::invalid_argument);
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bool n;
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n = fs::remove("", ec);
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VERIFY( !ec ); // This seems odd, but is what the standard requires.
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VERIFY( !n );
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auto p = __gnu_test::nonexistent_path();
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ec = bad_ec;
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n = remove(p, ec);
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VERIFY( !ec );
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VERIFY( !n );
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#if defined(__MINGW32__) || defined(__MINGW64__)
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// No symlink support
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return;
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#else
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auto link = __gnu_test::nonexistent_path();
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create_symlink(p, link); // dangling symlink
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ec = bad_ec;
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n = remove(link, ec);
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VERIFY( !ec );
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VERIFY( n );
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VERIFY( !exists(symlink_status(link)) );
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__gnu_test::scoped_file f(p);
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create_symlink(p, link);
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ec = bad_ec;
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n = remove(link, ec);
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VERIFY( !ec );
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VERIFY( n );
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VERIFY( !exists(symlink_status(link)) ); // The symlink is removed, but
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VERIFY( exists(p) ); // its target is not.
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ec = bad_ec;
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n = remove(p, ec);
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VERIFY( !ec );
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VERIFY( n );
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VERIFY( !exists(symlink_status(p)) );
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#endif
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const auto dir = __gnu_test::nonexistent_path();
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create_directories(dir/"a/b");
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ec.clear();
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n = remove(dir/"a", ec);
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VERIFY( ec );
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VERIFY( !n );
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VERIFY( exists(dir/"a/b") );
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if (__gnu_test::permissions_are_testable())
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{
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permissions(dir, fs::perms::none, ec);
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if (!ec)
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{
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ec.clear();
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n = remove(dir/"a/b", ec);
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VERIFY( ec );
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VERIFY( !n );
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permissions(dir, fs::perms::owner_all, ec);
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}
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}
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ec = bad_ec;
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n = remove(dir/"a/b", ec);
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VERIFY( !ec );
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VERIFY( n );
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VERIFY( !exists(dir/"a/b") );
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remove(dir/"a", ec);
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remove(dir, ec);
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}
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int
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main()
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{
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test01();
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}
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