86 lines
2.1 KiB
C++
86 lines
2.1 KiB
C++
// Copyright (C) 2016-2022 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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// 15.4 Copy [fs.op.copy_file]
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#include <experimental/filesystem>
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#include <fstream>
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#include <testsuite_fs.h>
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#include <testsuite_hooks.h>
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void
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test01()
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{
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using std::experimental::filesystem::copy_options;
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std::error_code ec;
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auto from = __gnu_test::nonexistent_path();
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auto to = __gnu_test::nonexistent_path();
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// test non-existent file
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bool b = copy_file(from, to, ec);
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VERIFY( !b );
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VERIFY( ec );
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VERIFY( !exists(to) );
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// test empty file
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std::ofstream{from.c_str()};
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VERIFY( exists(from) );
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VERIFY( file_size(from) == 0 );
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b = copy_file(from, to);
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VERIFY( b );
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VERIFY( exists(to) );
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VERIFY( file_size(to) == 0 );
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remove(to);
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VERIFY( !exists(to) );
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b = copy_file(from, to, copy_options::none, ec);
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VERIFY( b );
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VERIFY( !ec );
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VERIFY( exists(to) );
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VERIFY( file_size(to) == 0 );
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std::ofstream{from.c_str()} << "Hello, filesystem!";
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VERIFY( file_size(from) != 0 );
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remove(to);
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VERIFY( !exists(to) );
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b = copy_file(from, to);
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VERIFY( b );
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VERIFY( exists(to) );
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VERIFY( file_size(to) == file_size(from) );
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remove(to);
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VERIFY( !exists(to) );
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b = copy_file(from, to);
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VERIFY( b );
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VERIFY( !ec );
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VERIFY( exists(to) );
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VERIFY( file_size(to) == file_size(from) );
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remove(from);
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remove(to);
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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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