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[thirdparty/gcc.git] / libstdc++-v3 / testsuite / experimental / filesystem / path / decompose / extension.cc

// { dg-options "-DUSE_FILESYSTEM_TS -lstdc++fs" }
// { dg-do run { target c++11 } }
// { dg-require-filesystem-ts "" }

// Copyright (C) 2014-2022 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 <experimental/filesystem>
#include <testsuite_hooks.h>
#include <testsuite_fs.h>

using std::experimental::filesystem::path;

void
test01()
{
  VERIFY( path("/foo/bar.txt").extension() == path(".txt") );
  VERIFY( path("/foo/bar.baz.txt").extension() == path(".txt") );
  VERIFY( path(".bar.baz.txt").extension() == path(".txt") );

  VERIFY( path(".hidden").extension() == path(".hidden") );

  VERIFY( path().extension() == path() );
  VERIFY( path(".").extension() == path() );
  VERIFY( path("..").extension() == path() );
}

void
test02()
{
  for (const path p : __gnu_test::test_paths)
  {
    auto stem = p.stem();
    auto ext = p.extension();
    auto file = p.filename();
    VERIFY( stem.native() + ext.native() == file.native() );
  }
}

int
main()
{
  test01();
  test02();
}