libs/filesystem/test/convenience_test.cpp
// libs/filesystem/test/convenience_test.cpp -------------------------------//
// Copyright Beman Dawes, 2002
// Copyright Vladimir Prus, 2002
// Use, modification, and distribution is subject to the Boost Software
// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
// See library home page at http://www.boost.org/libs/filesystem
#include <boost/filesystem/convenience.hpp>
#include <boost/filesystem/exception.hpp>
namespace fs = boost::filesystem;
using fs::path;
#include <boost/test/minimal.hpp>
#include <boost/bind.hpp>
#include <fstream>
#include <iostream>
namespace
{
template< typename F >
bool throws_fs_error( F func, fs::error_code ec =
::boost::filesystem::no_error ) // VC++ 7.1 build 2292 won't accept fs::
{
try { func(); }
catch ( const fs::filesystem_error & ex )
{
if ( ec == fs::no_error || ec == ex.error() ) return true;
std::cout << "filesystem_error::error() reports " << ex.error()
<< ", should be " << ec
<< "\n native_error() is " << ex.native_error()
<< std::endl;
}
return false;
}
}
int test_main( int, char*[] )
{
path::default_name_check( fs::no_check ); // names below not valid on all O/S's
// but they must be tested anyhow
// create_directories() tests ----------------------------------------------//
BOOST_CHECK( !fs::create_directories( "" ) ); // should be harmless
BOOST_CHECK( !fs::create_directories( "/" ) ); // ditto
fs::remove_all( "xx" ); // make sure slate is blank
BOOST_CHECK( !fs::exists( "xx" ) ); // reality check
BOOST_CHECK( fs::create_directories( "xx" ) );
BOOST_CHECK( fs::exists( "xx" ) );
BOOST_CHECK( fs::is_directory( "xx" ) );
BOOST_CHECK( fs::create_directories( "xx/ww/zz" ) );
BOOST_CHECK( fs::exists( "xx" ) );
BOOST_CHECK( fs::exists( "xx/ww" ) );
BOOST_CHECK( fs::exists( "xx/ww/zz" ) );
BOOST_CHECK( fs::is_directory( "xx" ) );
BOOST_CHECK( fs::is_directory( "xx/ww" ) );
BOOST_CHECK( fs::is_directory( "xx/ww/zz" ) );
path is_a_file( "xx/uu" );
{
std::ofstream f( is_a_file.native_file_string().c_str() );
BOOST_CHECK( !!f );
}
BOOST_CHECK(
throws_fs_error( boost::bind( fs::create_directories, is_a_file ) ) );
BOOST_CHECK(
throws_fs_error( boost::bind( fs::create_directories, is_a_file / "aa" ) ) );
// extension() tests ----------------------------------------------------------//
BOOST_CHECK( fs::extension("a/b") == "" );
BOOST_CHECK( fs::extension("a/b.txt") == ".txt" );
BOOST_CHECK( fs::extension("a/b.") == "." );
BOOST_CHECK( fs::extension("a.b.c") == ".c" );
BOOST_CHECK( fs::extension("a.b.c.") == "." );
BOOST_CHECK( fs::extension("") == "" );
BOOST_CHECK( fs::extension("a/") == "" );
// basename() tests ----------------------------------------------------------//
BOOST_CHECK( fs::basename("b") == "b" );
BOOST_CHECK( fs::basename("a/b.txt") == "b" );
BOOST_CHECK( fs::basename("a/b.") == "b" );
BOOST_CHECK( fs::basename("a.b.c") == "a.b" );
BOOST_CHECK( fs::basename("a.b.c.") == "a.b.c" );
BOOST_CHECK( fs::basename("") == "" );
// change_extension tests ---------------------------------------------------//
BOOST_CHECK( fs::change_extension("a.txt", ".tex").string() == "a.tex" );
BOOST_CHECK( fs::change_extension("a.", ".tex").string() == "a.tex" );
BOOST_CHECK( fs::change_extension("a", ".txt").string() == "a.txt" );
BOOST_CHECK( fs::change_extension("a.b.txt", ".tex").string() == "a.b.tex" );
// see the rationale in html docs for explanation why this works
BOOST_CHECK( fs::change_extension("", ".png").string() == ".png" );
return 0;
}