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filesystem/test/operations_test.cpp
Beman Dawes 85509b2357 Fix ticket #1609 
[SVN r45829]
2008-05-27 19:59:10 +00:00

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// Boost operations_test.cpp -----------------------------------------------//
// Copyright Beman Dawes 2002.
// Distributed under 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/config/warning_disable.hpp>
#include <boost/filesystem/operations.hpp>
#include <boost/filesystem/convenience.hpp>
#include <boost/cerrno.hpp>
namespace fs = boost::filesystem;
#include <boost/config.hpp>
#include <boost/test/minimal.hpp>
//#include <boost/concept_check.hpp>
using boost::system::error_code;
using boost::system::system_category;
using boost::system::system_error;
#include <fstream>
#include <iostream>
#include <string>
#include <ctime>
#include <cstdlib> // for system()
#ifndef BOOST_FILESYSTEM_NARROW_ONLY
# define BOOST_BND(BOOST_FUNC_TO_DO) BOOST_FUNC_TO_DO<fs::path>
#else
# define BOOST_BND(BOOST_FUNC_TO_DO) BOOST_FUNC_TO_DO
#endif
// VC++ 7.0 and earlier has a serious namespace bug that causes a clash
// between boost::filesystem::is_empty and the unrelated type trait
// boost::is_empty.
#if !defined( BOOST_MSVC ) || BOOST_MSVC > 1300
# define BOOST_FS_IS_EMPTY fs::is_empty
#else
# define BOOST_FS_IS_EMPTY fs::_is_empty
#endif
# ifdef BOOST_NO_STDC_NAMESPACE
namespace std { using ::asctime; using ::gmtime; using ::localtime;
using ::difftime; using ::time; using ::tm; using ::mktime; using ::system; }
# endif
#ifdef BOOST_WINDOWS_API
# include <windows.h>
#endif
#define CHECK_EXCEPTION(Functor,Expect) throws_fs_error(Functor,Expect,__LINE__)
namespace
{
typedef int errno_t;
std::string platform( BOOST_PLATFORM );
bool report_throws;
fs::directory_iterator end_itr;
unsigned short language_id; // 0 except for Windows
const char * temp_dir_name = "temp_fs_test_dir";
void create_file( const fs::path & ph, const std::string & contents )
{
std::ofstream f( ph.file_string().c_str() );
if ( !f )
throw fs::filesystem_error( "operations_test create_file",
ph, error_code(errno, system_category) );
if ( !contents.empty() ) f << contents;
}
void verify_file( const fs::path & ph, const std::string & expected )
{
std::ifstream f( ph.file_string().c_str() );
if ( !f )
throw fs::filesystem_error( "operations_test verify_file",
ph, error_code(errno, system_category) );
std::string contents;
f >> contents;
if ( contents != expected )
throw fs::filesystem_error( "operations_test verify_file contents \""
+ contents + "\" != \"" + expected + "\"", ph, error_code() );
}
template< typename F >
bool throws_fs_error( F func, errno_t en, int line )
{
try { func(); }
catch ( const fs::filesystem_error & ex )
{
if ( report_throws )
{
// use the what() convenience function to display exceptions
std::cout << "\n" << ex.what() << "\n";
}
if ( en == 0
|| en == ex.code().default_error_condition().value() ) return true;
std::cout
<< "\nWarning: line " << line
<< " exception reports default_error_condition().value() " << ex.code().default_error_condition().value()
<< ", should be " << en
<< "\n value() is " << ex.code().value()
<< std::endl;
return true;
}
return false;
}
// compile-only two argument "do-the-right-thing" tests
// verifies that all overload combinations compile without error
void do_not_call()
{
fs::path p;
std::string s;
const char * a = 0;
fs::copy_file( p, p );
fs::copy_file( s, p );
fs::copy_file( a, p );
fs::copy_file( p, s );
fs::copy_file( p, a );
fs::copy_file( s, s );
fs::copy_file( a, s );
fs::copy_file( s, a );
fs::copy_file( a, a );
}
void exception_tests()
{
bool exception_thrown;
exception_thrown = false;
try
{
fs::create_directory( "no-such-dir/foo/bar" );
}
catch ( std::runtime_error x )
{
exception_thrown = true;
if ( report_throws ) std::cout << x.what() << std::endl;
if ( platform == "Windows" && language_id == 0x0409 ) // English (United States)
BOOST_CHECK( std::strcmp( x.what(),
"boost::filesystem::create_directory" ) == 0 );
}
BOOST_CHECK( exception_thrown );
exception_thrown = false;
try
{
fs::create_directory( "no-such-dir/foo/bar" );
}
catch ( system_error x )
{
exception_thrown = true;
if ( report_throws ) std::cout << x.what() << std::endl;
if ( platform == "Windows" && language_id == 0x0409 ) // English (United States)
BOOST_CHECK( std::strcmp( x.what(),
"boost::filesystem::create_directory: The system cannot find the path specified" ) == 0 );
}
BOOST_CHECK( exception_thrown );
exception_thrown = false;
try
{
fs::create_directory( "no-such-dir/foo/bar" );
}
catch ( fs::filesystem_error x )
{
exception_thrown = true;
if ( report_throws ) std::cout << x.what() << std::endl;
if ( platform == "Windows" && language_id == 0x0409 ) // English (United States)
{
bool ok ( std::strcmp( x.what(),
"boost::filesystem::create_directory: The system cannot find the path specified: \"no-such-dir\\foo\\bar\"" ) == 0 );
BOOST_CHECK( ok );
if ( !ok )
{
std::cout << "what returns \"" << x.what() << "\"" << std::endl;
}
}
}
BOOST_CHECK( exception_thrown );
exception_thrown = false;
try
{
fs::create_directory( "no-such-dir/foo/bar" );
}
catch ( const fs::filesystem_error & x )
{
exception_thrown = true;
if ( report_throws ) std::cout << x.what() << std::endl;
if ( platform == "Windows" && language_id == 0x0409 ) // English (United States)
{
bool ok ( std::strcmp( x.what(),
"boost::filesystem::create_directory: The system cannot find the path specified: \"no-such-dir\\foo\\bar\"" ) == 0 );
BOOST_CHECK( ok );
if ( !ok )
{
std::cout << "what returns \"" << x.what() << "\"" << std::endl;
}
}
}
BOOST_CHECK( exception_thrown );
}
void bad_file_size()
{
fs::file_size( " No way, Jose" );
}
void bad_directory_size()
{
fs::file_size( fs::current_path() );
}
fs::path bad_create_directory_path;
void bad_create_directory()
{
fs::create_directory( bad_create_directory_path );
}
void bad_equivalent()
{
fs::equivalent( "no-such-path", "another-not-present-path" );
}
fs::path bad_remove_dir;
void bad_remove()
{
fs::remove( bad_remove_dir );
}
class renamer
{
public:
renamer( const fs::path & p1, const fs::path & p2 )
: from(p1), to(p2) {}
void operator()()
{
fs::rename( from, to );
}
private:
fs::path from;
fs::path to;
};
} // unnamed namespace
// test_main ---------------------------------------------------------------//
int test_main( int argc, char * argv[] )
{
if ( argc > 1 && *argv[1]=='-' && *(argv[1]+1)=='t' ) report_throws = true;
// The choice of platform is make at runtime rather than compile-time
// so that compile errors for all platforms will be detected even though
// only the current platform is runtime tested.
# if defined( BOOST_POSIX_API )
platform = "POSIX";
# elif defined( BOOST_WINDOWS_API )
platform = "Windows";
# if !defined(__MINGW32__) && !defined(__CYGWIN__)
language_id = ::GetUserDefaultUILanguage();
# else
language_id = 0x0409; // Assume US English
# endif
# else
platform = ( platform == "Win32" || platform == "Win64" || platform == "Cygwin" )
? "Windows"
: "POSIX";
# endif
std::cout << "API is " << platform << std::endl;
exception_tests();
std::cout << "\ninitial_path<path>().string() is\n \""
<< fs::initial_path<fs::path>().string()
<< "\"\n";
std::cout << "\ninitial_path<fs::path>().file_string() is\n \""
<< fs::initial_path<fs::path>().file_string()
<< "\"\n\n";
BOOST_CHECK( fs::initial_path<fs::path>().is_complete() );
BOOST_CHECK( fs::current_path<fs::path>().is_complete() );
BOOST_CHECK( fs::initial_path<fs::path>().string()
== fs::current_path<fs::path>().string() );
BOOST_CHECK( fs::complete( "" ).empty() );
BOOST_CHECK( fs::complete( "/" ).string() == fs::initial_path<fs::path>().root_path().string() );
BOOST_CHECK( fs::complete( "foo" ).string() == fs::initial_path<fs::path>().string()+"/foo" );
BOOST_CHECK( fs::complete( "/foo" ).string() == fs::initial_path<fs::path>().root_path().string()+"foo" );
BOOST_CHECK( fs::complete( "foo", fs::path( "//net/bar" ) ).string()
== "//net/bar/foo" );
// predicate and status tests
fs::path ng( " no-way, Jose" );
BOOST_CHECK( !fs::exists( ng ) );
BOOST_CHECK( !fs::is_directory( ng ) );
BOOST_CHECK( !fs::is_regular( ng ) );
BOOST_CHECK( !fs::is_symlink( ng ) );
fs::file_status stat( fs::status( ng ) );
BOOST_CHECK( fs::status_known( stat ) );
BOOST_CHECK( !fs::exists( stat ) );
BOOST_CHECK( !fs::is_directory( stat ) );
BOOST_CHECK( !fs::is_regular( stat ) );
BOOST_CHECK( !fs::is_other( stat ) );
BOOST_CHECK( !fs::is_symlink( stat ) );
stat = fs::status( "" );
BOOST_CHECK( fs::status_known( stat ) );
BOOST_CHECK( !fs::exists( stat ) );
BOOST_CHECK( !fs::is_directory( stat ) );
BOOST_CHECK( !fs::is_regular( stat ) );
BOOST_CHECK( !fs::is_other( stat ) );
BOOST_CHECK( !fs::is_symlink( stat ) );
fs::path dir( fs::initial_path<fs::path>() / temp_dir_name );
// Windows only tests
if ( platform == "Windows" )
{
BOOST_CHECK( !fs::exists( fs::path( "//share-not" ) ) );
BOOST_CHECK( !fs::exists( fs::path( "//share-not/" ) ) );
BOOST_CHECK( !fs::exists( fs::path( "//share-not/foo" ) ) );
BOOST_CHECK( !fs::exists( "tools/jam/src/:sys:stat.h" ) ); // !exists() if ERROR_INVALID_NAME
BOOST_CHECK( !fs::exists( ":sys:stat.h" ) ); // !exists() if ERROR_INVALID_PARAMETER
BOOST_CHECK( dir.string().size() > 1
&& dir.string()[1] == ':' ); // verify path includes drive
BOOST_CHECK( fs::system_complete( "" ).empty() );
BOOST_CHECK( fs::system_complete( "/" ).string()
== fs::initial_path<fs::path>().root_path().string() );
BOOST_CHECK( fs::system_complete( "foo" ).string()
== fs::initial_path<fs::path>().string()+"/foo" );
BOOST_CHECK( fs::system_complete( "/foo" ).string()
== fs::initial_path<fs::path>().root_path().string()+"foo" );
BOOST_CHECK( fs::complete( fs::path( "c:/" ) ).string()
== "c:/" );
BOOST_CHECK( fs::complete( fs::path( "c:/foo" ) ).string()
== "c:/foo" );
BOOST_CHECK( fs::system_complete( fs::path( fs::initial_path<fs::path>().root_name() ) ).string() == fs::initial_path<fs::path>().string() );
BOOST_CHECK( fs::system_complete( fs::path( fs::initial_path<fs::path>().root_name()
+ "foo" ) ).string() == fs::initial_path<fs::path>().string()+"/foo" );
BOOST_CHECK( fs::system_complete( fs::path( "c:/" ) ).string()
== "c:/" );
BOOST_CHECK( fs::system_complete( fs::path( "c:/foo" ) ).string()
== "c:/foo" );
BOOST_CHECK( fs::system_complete( fs::path( "//share" ) ).string()
== "//share" );
} // Windows
else if ( platform == "POSIX" )
{
BOOST_CHECK( fs::system_complete( "" ).empty() );
BOOST_CHECK( fs::initial_path<fs::path>().root_path().string() == "/" );
BOOST_CHECK( fs::system_complete( "/" ).string() == "/" );
BOOST_CHECK( fs::system_complete( "foo" ).string()
== fs::initial_path<fs::path>().string()+"/foo" );
BOOST_CHECK( fs::system_complete( "/foo" ).string()
== fs::initial_path<fs::path>().root_path().string()+"foo" );
} // POSIX
fs::remove_all( dir ); // in case residue from prior failed tests
BOOST_CHECK( !fs::exists( dir ) );
// the bound functions should throw, so CHECK_EXCEPTION() should return true
BOOST_CHECK( CHECK_EXCEPTION( bad_file_size, ENOENT ) );
// test path::exception members
try { fs::file_size( ng ); } // will throw
catch ( const fs::filesystem_error & ex )
{
BOOST_CHECK( ex.path1().string() == " no-way, Jose" );
}
// several functions give unreasonable results if uintmax_t isn't 64-bits
std::cout << "sizeof(boost::uintmax_t) = " << sizeof(boost::uintmax_t) << '\n';
BOOST_CHECK( sizeof( boost::uintmax_t ) >= 8 );
// create a directory, then check it for consistency
BOOST_CHECK( fs::create_directory( dir ) );
BOOST_CHECK( fs::exists( dir ) );
BOOST_CHECK( BOOST_FS_IS_EMPTY( dir ) );
BOOST_CHECK( fs::is_directory( dir ) );
BOOST_CHECK( !fs::is_regular( dir ) );
BOOST_CHECK( !fs::is_other( dir ) );
BOOST_CHECK( !fs::is_symlink( dir ) );
stat = fs::status( dir );
BOOST_CHECK( fs::exists( stat ) );
BOOST_CHECK( fs::is_directory( stat ) );
BOOST_CHECK( !fs::is_regular( stat ) );
BOOST_CHECK( !fs::is_other( stat ) );
BOOST_CHECK( !fs::is_symlink( stat ) );
// set the current directory, then check it for consistency
fs::path original_dir = fs::current_path<fs::path>();
BOOST_CHECK( dir != original_dir );
fs::current_path( dir );
BOOST_CHECK( fs::current_path<fs::path>() == dir );
BOOST_CHECK( fs::current_path<fs::path>() != original_dir );
fs::current_path( original_dir );
BOOST_CHECK( fs::current_path<fs::path>() == original_dir );
BOOST_CHECK( fs::current_path<fs::path>() != dir );
// make sure the overloads work
fs::current_path( dir.string().c_str() );
BOOST_CHECK( fs::current_path<fs::path>() == dir );
BOOST_CHECK( fs::current_path<fs::path>() != original_dir );
fs::current_path( original_dir.string() );
BOOST_CHECK( fs::current_path<fs::path>() == original_dir );
BOOST_CHECK( fs::current_path<fs::path>() != dir );
// make some reasonable assuptions for testing purposes
fs::space_info spi( fs::space( dir ) );
BOOST_CHECK( spi.capacity > 1000000 );
BOOST_CHECK( spi.free > 1000 );
BOOST_CHECK( spi.capacity > spi.free );
BOOST_CHECK( spi.free >= spi.available );
// it is convenient to display space, but older VC++ versions choke
# if !defined(BOOST_MSVC) || _MSC_VER >= 1300 // 1300 == VC++ 7.0
std::cout << " capacity = " << spi.capacity << '\n';
std::cout << " free = " << spi.free << '\n';
std::cout << "available = " << spi.available << '\n';
# endif
if ( platform == "Windows" )
BOOST_CHECK( CHECK_EXCEPTION( bad_directory_size, ENOENT ) );
else
BOOST_CHECK( CHECK_EXCEPTION( bad_directory_size, 0 ) );
BOOST_CHECK( !fs::create_directory( dir ) );
BOOST_CHECK( !fs::is_symlink( dir ) );
BOOST_CHECK( !fs::is_symlink( "nosuchfileordirectory" ) );
BOOST_CHECK( !fs::symbolic_link_exists( dir ) );
BOOST_CHECK( !fs::symbolic_link_exists( "nosuchfileordirectory" ) );
fs::path d1( dir / "d1" );
BOOST_CHECK( fs::create_directory( d1 ) );
BOOST_CHECK( fs::exists( d1 ) );
BOOST_CHECK( fs::is_directory( d1 ) );
BOOST_CHECK( BOOST_FS_IS_EMPTY( d1 ) );
// boost::function_requires< boost::InputIteratorConcept< fs::directory_iterator > >();
bool dir_itr_exception(false);
try { fs::directory_iterator it( "" ); }
catch ( const fs::filesystem_error & ) { dir_itr_exception = true; }
BOOST_CHECK( dir_itr_exception );
dir_itr_exception = false;
try { fs::directory_iterator it( "nosuchdirectory" ); }
catch ( const fs::filesystem_error & ) { dir_itr_exception = true; }
BOOST_CHECK( dir_itr_exception );
dir_itr_exception = false;
try
{
error_code ec;
fs::directory_iterator it( "nosuchdirectory", ec );
BOOST_CHECK( ec );
BOOST_CHECK( ec == fs::detail::not_found_error() );
}
catch ( const fs::filesystem_error & ) { dir_itr_exception = true; }
BOOST_CHECK( !dir_itr_exception );
{
// probe query function overloads
fs::directory_iterator dir_itr( dir );
BOOST_CHECK( fs::is_directory( *dir_itr ) );
BOOST_CHECK( fs::is_directory( dir_itr->status() ) );
BOOST_CHECK( fs::is_directory( fs::symlink_status(*dir_itr) ) );
BOOST_CHECK( fs::is_directory( dir_itr->symlink_status() ) );
BOOST_CHECK( dir_itr->leaf() == "d1" );
}
// create a second directory named d2
fs::path d2( dir / "d2" );
fs::create_directory(d2 );
BOOST_CHECK( fs::exists( d2 ) );
BOOST_CHECK( fs::is_directory( d2 ) );
// test the basic operation of directory_iterators, and test that
// stepping one iterator doesn't affect a different iterator.
{
fs::directory_iterator dir_itr( dir );
BOOST_CHECK( fs::exists(dir_itr->status()) );
BOOST_CHECK( fs::is_directory(dir_itr->status()) );
BOOST_CHECK( !fs::is_regular(dir_itr->status()) );
BOOST_CHECK( !fs::is_other(dir_itr->status()) );
BOOST_CHECK( !fs::is_symlink(dir_itr->status()) );
fs::directory_iterator dir_itr2( dir );
BOOST_CHECK( dir_itr->leaf() == "d1"
|| dir_itr->leaf() == "d2" );
BOOST_CHECK( dir_itr2->leaf() == "d1" || dir_itr2->leaf() == "d2" );
if ( dir_itr->leaf() == "d1" )
{
BOOST_CHECK( (++dir_itr)->leaf() == "d2" );
BOOST_CHECK( dir_itr2->leaf() == "d1" );
BOOST_CHECK( (++dir_itr2)->leaf() == "d2" );
}
else
{
BOOST_CHECK( dir_itr->leaf() == "d2" );
BOOST_CHECK( (++dir_itr)->leaf() == "d1" );
BOOST_CHECK( (dir_itr2)->leaf() == "d2" );
BOOST_CHECK( (++dir_itr2)->leaf() == "d1" );
}
BOOST_CHECK( ++dir_itr == fs::directory_iterator() );
BOOST_CHECK( dir_itr2 != fs::directory_iterator() );
BOOST_CHECK( ++dir_itr2 == fs::directory_iterator() );
}
{ // *i++ must work to meet the standard's InputIterator requirements
fs::directory_iterator dir_itr( dir );
BOOST_CHECK( dir_itr->leaf() == "d1"
|| dir_itr->leaf() == "d2" );
if ( dir_itr->leaf() == "d1" )
{
BOOST_CHECK( (*dir_itr++).leaf() == "d1" );
BOOST_CHECK( dir_itr->leaf() == "d2" );
}
else
{
// Check C++98 input iterator requirements
BOOST_CHECK( (*dir_itr++).leaf() == "d2" );
// input iterator requirements in the current WP would require this check:
// BOOST_CHECK( implicit_cast<std::string const&>(*dir_itr++).leaf() == "d1" );
BOOST_CHECK( dir_itr->leaf() == "d1" );
}
// test case reported in comment to SourceForge bug tracker [937606]
fs::directory_iterator it( dir );
const fs::path p1 = *it++;
BOOST_CHECK( it != fs::directory_iterator() );
const fs::path p2 = *it++;
BOOST_CHECK( p1 != p2 );
BOOST_CHECK( it == fs::directory_iterator() );
}
// Windows has a tricky special case when just the root-name is given,
// causing the rest of the path to default to the current directory.
// Reported as S/F bug [ 1259176 ]
if ( platform == "Windows" )
{
fs::path root_name_path( fs::current_path<fs::path>().root_name() );
fs::directory_iterator it( root_name_path );
BOOST_CHECK( it != fs::directory_iterator() );
BOOST_CHECK( fs::exists( *it ) );
BOOST_CHECK( it->path().branch_path() == root_name_path );
bool found(false);
do
{
if ( it->leaf() == temp_dir_name ) found = true;
} while ( ++it != fs::directory_iterator() );
BOOST_CHECK( found );
}
// create an empty file named "f0"
fs::path file_ph( dir / "f0");
create_file( file_ph, "" );
BOOST_CHECK( fs::exists( file_ph ) );
BOOST_CHECK( !fs::is_directory( file_ph ) );
BOOST_CHECK( fs::is_regular( file_ph ) );
BOOST_CHECK( BOOST_FS_IS_EMPTY( file_ph ) );
BOOST_CHECK( fs::file_size( file_ph ) == 0 );
bad_create_directory_path = file_ph;
BOOST_CHECK( CHECK_EXCEPTION( bad_create_directory, EEXIST ) );
stat = fs::status( file_ph );
BOOST_CHECK( fs::status_known( stat ) );
BOOST_CHECK( fs::exists( stat ) );
BOOST_CHECK( !fs::is_directory( stat ) );
BOOST_CHECK( fs::is_regular( stat ) );
BOOST_CHECK( !fs::is_other( stat ) );
BOOST_CHECK( !fs::is_symlink( stat ) );
// create a file named "f1"
file_ph = dir / "f1";
create_file( file_ph, "foobar1" );
BOOST_CHECK( fs::exists( file_ph ) );
BOOST_CHECK( !fs::is_directory( file_ph ) );
BOOST_CHECK( fs::is_regular( file_ph ) );
BOOST_CHECK( fs::file_size( file_ph ) == 7 );
verify_file( file_ph, "foobar1" );
// equivalence tests
BOOST_CHECK( CHECK_EXCEPTION( bad_equivalent, ENOENT ) );
BOOST_CHECK( fs::equivalent( file_ph, dir / "f1" ) );
BOOST_CHECK( fs::equivalent( dir, d1 / ".." ) );
BOOST_CHECK( !fs::equivalent( file_ph, dir ) );
BOOST_CHECK( !fs::equivalent( dir, file_ph ) );
BOOST_CHECK( !fs::equivalent( d1, d2 ) );
BOOST_CHECK( !fs::equivalent( dir, ng ) );
BOOST_CHECK( !fs::equivalent( ng, dir ) );
BOOST_CHECK( !fs::equivalent( file_ph, ng ) );
BOOST_CHECK( !fs::equivalent( ng, file_ph ) );
// hard link tests
fs::path from_ph( dir / "f3" );
BOOST_CHECK( !fs::exists( from_ph ) );
BOOST_CHECK( fs::exists( file_ph ) );
bool create_hard_link_ok(true);
try { fs::create_hard_link( file_ph, from_ph ); }
catch ( const fs::filesystem_error & ex )
{
create_hard_link_ok = false;
std::cout
<< "create_hard_link() attempt failed\n"
<< "filesystem_error.what() reports: " << ex.what() << '\n'
<< "create_hard_link() may not be supported on this file system\n";
}
if ( create_hard_link_ok )
{
std::cout << "create_hard_link() succeeded\n";
BOOST_CHECK( fs::exists( from_ph ) );
BOOST_CHECK( fs::exists( file_ph ) );
BOOST_CHECK( fs::equivalent( from_ph, file_ph ) );
}
error_code ec;
BOOST_CHECK( fs::create_hard_link( fs::path("doesnotexist"),
fs::path("shouldnotwork"), ec ) );
BOOST_CHECK( ec );
// symbolic link tests
from_ph = dir / "f4";
BOOST_CHECK( !fs::exists( from_ph ) );
BOOST_CHECK( fs::exists( file_ph ) );
bool create_symlink_ok(true);
try { fs::create_symlink( file_ph, from_ph ); }
catch ( const fs::filesystem_error & ex )
{
create_symlink_ok = false;
std::cout
<< "create_symlink() attempt failed\n"
<< "filesystem_error.what() reports: " << ex.what() << '\n'
<< "create_symlink() may not be supported on this file system\n";
}
if ( create_symlink_ok )
{
std::cout << "create_symlink() succeeded\n";
BOOST_CHECK( fs::exists( from_ph ) );
BOOST_CHECK( fs::is_symlink( from_ph ) );
BOOST_CHECK( fs::exists( file_ph ) );
BOOST_CHECK( fs::equivalent( from_ph, file_ph ) );
stat = fs::symlink_status( from_ph );
BOOST_CHECK( fs::exists( stat ) );
BOOST_CHECK( !fs::is_directory( stat ) );
BOOST_CHECK( !fs::is_regular( stat ) );
BOOST_CHECK( !fs::is_other( stat ) );
BOOST_CHECK( fs::is_symlink( stat ) );
}
ec = error_code();
BOOST_CHECK( fs::create_symlink( "doesnotexist", "", ec ) );
BOOST_CHECK( ec );
// there was an inital bug in directory_iterator that caused premature
// close of an OS handle. This block will detect regression.
{
fs::directory_iterator di;
{ di = fs::directory_iterator( dir ); }
BOOST_CHECK( ++di != fs::directory_iterator() );
}
// copy_file() tests
std::cout << "begin copy_file test..." << std::endl;
fs::copy_file( file_ph, d1 / "f2" );
std::cout << "copying complete" << std::endl;
BOOST_CHECK( fs::exists( file_ph ) );
BOOST_CHECK( fs::exists( d1 / "f2" ) );
BOOST_CHECK( !fs::is_directory( d1 / "f2" ) );
verify_file( d1 / "f2", "foobar1" );
std::cout << "copy_file test complete" << std::endl;
// rename() test case numbers refer to operations.htm#rename table
// [case 1] make sure can't rename() a non-existent file
BOOST_CHECK( !fs::exists( d1 / "f99" ) );
BOOST_CHECK( !fs::exists( d1 / "f98" ) );
renamer n1a( d1 / "f99", d1 / "f98" );
BOOST_CHECK( CHECK_EXCEPTION( n1a, ENOENT ) );
renamer n1b( fs::path(""), d1 / "f98" );
BOOST_CHECK( CHECK_EXCEPTION( n1b, ENOENT ) );
// [case 2] rename() target.empty()
renamer n2( file_ph, "" );
BOOST_CHECK( CHECK_EXCEPTION( n2, ENOENT ) );
// [case 3] make sure can't rename() to an existent file or directory
BOOST_CHECK( fs::exists( dir / "f1" ) );
BOOST_CHECK( fs::exists( d1 / "f2" ) );
renamer n3a( dir / "f1", d1 / "f2" );
BOOST_CHECK( CHECK_EXCEPTION( n3a, EEXIST ) );
// several POSIX implementations (cygwin, openBSD) report ENOENT instead of EEXIST,
// so we don't verify error type on the above test.
renamer n3b( dir, d1 );
BOOST_CHECK( CHECK_EXCEPTION( n3b, 0 ) );
// [case 4A] can't rename() file to a nonexistent parent directory
BOOST_CHECK( !fs::is_directory( dir / "f1" ) );
BOOST_CHECK( !fs::exists( dir / "d3/f3" ) );
renamer n4a( dir / "f1", dir / "d3/f3" );
BOOST_CHECK( CHECK_EXCEPTION( n4a, ENOENT ) );
// [case 4B] rename() file in same directory
BOOST_CHECK( fs::exists( d1 / "f2" ) );
BOOST_CHECK( !fs::exists( d1 / "f50" ) );
fs::rename( d1 / "f2", d1 / "f50" );
BOOST_CHECK( !fs::exists( d1 / "f2" ) );
BOOST_CHECK( fs::exists( d1 / "f50" ) );
fs::rename( d1 / "f50", d1 / "f2" );
BOOST_CHECK( fs::exists( d1 / "f2" ) );
BOOST_CHECK( !fs::exists( d1 / "f50" ) );
// [case 4C] rename() file d1/f2 to d2/f3
fs::rename( d1 / "f2", d2 / "f3" );
BOOST_CHECK( !fs::exists( d1 / "f2" ) );
BOOST_CHECK( !fs::exists( d2 / "f2" ) );
BOOST_CHECK( fs::exists( d2 / "f3" ) );
BOOST_CHECK( !fs::is_directory( d2 / "f3" ) );
verify_file( d2 / "f3", "foobar1" );
fs::rename( d2 / "f3", d1 / "f2" );
BOOST_CHECK( fs::exists( d1 / "f2" ) );
// [case 5A] rename() directory to nonexistent parent directory
BOOST_CHECK( fs::exists( d1 ) );
BOOST_CHECK( !fs::exists( dir / "d3/d5" ) );
BOOST_CHECK( !fs::exists( dir / "d3" ) );
renamer n5a( d1, dir / "d3/d5" );
BOOST_CHECK( CHECK_EXCEPTION( n5a, ENOENT ) );
// [case 5B] rename() on directory
fs::path d3( dir / "d3" );
BOOST_CHECK( fs::exists( d1 ) );
BOOST_CHECK( fs::exists( d1 / "f2" ) );
BOOST_CHECK( !fs::exists( d3 ) );
fs::rename( d1, d3 );
BOOST_CHECK( !fs::exists( d1 ) );
BOOST_CHECK( fs::exists( d3 ) );
BOOST_CHECK( fs::is_directory( d3 ) );
BOOST_CHECK( !fs::exists( d1 / "f2" ) );
BOOST_CHECK( fs::exists( d3 / "f2" ) );
fs::rename( d3, d1 );
BOOST_CHECK( fs::exists( d1 ) );
BOOST_CHECK( fs::exists( d1 / "f2" ) );
BOOST_CHECK( !fs::exists( d3 ) );
// [case 5C] rename() rename and move d1 to d2 / "d20"
BOOST_CHECK( fs::exists( d1 ) );
BOOST_CHECK( !fs::exists( d2 / "d20" ) );
BOOST_CHECK( fs::exists( d1 / "f2" ) );
fs::rename( d1, d2 / "d20" );
BOOST_CHECK( !fs::exists( d1 ) );
BOOST_CHECK( fs::exists( d2 / "d20" ) );
BOOST_CHECK( fs::exists( d2 / "d20" / "f2" ) );
fs::rename( d2 / "d20", d1 );
BOOST_CHECK( fs::exists( d1 ) );
BOOST_CHECK( !fs::exists( d2 / "d20" ) );
BOOST_CHECK( fs::exists( d1 / "f2" ) );
// remove() tests on file
file_ph = dir / "shortlife";
BOOST_CHECK( !fs::exists( file_ph ) );
create_file( file_ph, "" );
BOOST_CHECK( fs::exists( file_ph ) );
BOOST_CHECK( !fs::is_directory( file_ph ) );
BOOST_CHECK( fs::remove( file_ph ) );
BOOST_CHECK( !fs::exists( file_ph ) );
BOOST_CHECK( !fs::remove( "no-such-file" ) );
BOOST_CHECK( !fs::remove( "no-such-directory/no-such-file" ) );
// remove() test on directory
d1 = dir / "shortlife_dir";
BOOST_CHECK( !fs::exists( d1 ) );
fs::create_directory( d1 );
BOOST_CHECK( fs::exists( d1 ) );
BOOST_CHECK( fs::is_directory( d1 ) );
BOOST_CHECK( BOOST_FS_IS_EMPTY( d1 ) );
bad_remove_dir = dir;
BOOST_CHECK( CHECK_EXCEPTION( bad_remove, ENOTEMPTY ) );
BOOST_CHECK( fs::remove( d1 ) );
BOOST_CHECK( !fs::exists( d1 ) );
// STLport is allergic to std::system, so don't use runtime platform test
# ifdef BOOST_POSIX
// remove() test on dangling symbolic link
fs::path link( "dangling_link" );
fs::remove( link );
BOOST_CHECK( !fs::is_symlink( link ) );
BOOST_CHECK( !fs::exists( link ) );
std::system("ln -s nowhere dangling_link");
BOOST_CHECK( !fs::exists( link ) );
BOOST_CHECK( fs::is_symlink( link ) );
BOOST_CHECK( fs::remove( link ) );
BOOST_CHECK( !fs::is_symlink( link ) );
// remove() test on symbolic link to a file
file_ph = "link_target";
fs::remove( file_ph );
BOOST_CHECK( !fs::exists( file_ph ) );
create_file( file_ph, "" );
BOOST_CHECK( fs::exists( file_ph ) );
BOOST_CHECK( !fs::is_directory( file_ph ) );
BOOST_CHECK( fs::is_regular( file_ph ) );
std::system("ln -s link_target non_dangling_link");
link = "non_dangling_link";
BOOST_CHECK( fs::exists( link ) );
BOOST_CHECK( !fs::is_directory( link ) );
BOOST_CHECK( fs::is_regular( link ) );
BOOST_CHECK( fs::is_symlink( link ) );
BOOST_CHECK( fs::remove( link ) );
BOOST_CHECK( fs::exists( file_ph ) );
BOOST_CHECK( !fs::exists( link ) );
BOOST_CHECK( !fs::is_symlink( link ) );
BOOST_CHECK( fs::remove( file_ph ) );
BOOST_CHECK( !fs::exists( file_ph ) );
# endif
// write time tests
file_ph = dir / "foobar2";
create_file( file_ph, "foobar2" );
BOOST_CHECK( fs::exists( file_ph ) );
BOOST_CHECK( !fs::is_directory( file_ph ) );
BOOST_CHECK( fs::is_regular( file_ph ) );
BOOST_CHECK( fs::file_size( file_ph ) == 7 );
verify_file( file_ph, "foobar2" );
// Some file system report last write time as local (FAT), while
// others (NTFS) report it as UTC. The C standard does not specify
// if time_t is local or UTC.
std::time_t ft = fs::last_write_time( file_ph );
std::cout << "\nUTC last_write_time() for a file just created is "
<< std::asctime(std::gmtime(&ft)) << std::endl;
std::tm * tmp = std::localtime( &ft );
std::cout << "\nYear is " << tmp->tm_year << std::endl;
--tmp->tm_year;
std::cout << "Change year to " << tmp->tm_year << std::endl;
fs::last_write_time( file_ph, std::mktime( tmp ) );
std::time_t ft2 = fs::last_write_time( file_ph );
std::cout << "last_write_time() for the file is now "
<< std::asctime(std::gmtime(&ft2)) << std::endl;
BOOST_CHECK( ft != fs::last_write_time( file_ph ) );
std::cout << "\nReset to current time" << std::endl;
fs::last_write_time( file_ph, ft );
double time_diff = std::difftime( ft, fs::last_write_time( file_ph ) );
std::cout
<< "original last_write_time() - current last_write_time() is "
<< time_diff << " seconds" << std::endl;
BOOST_CHECK( time_diff >= -60.0 && time_diff <= 60.0 );
// post-test cleanup
BOOST_CHECK( fs::remove_all( dir ) != 0 );
// above was added just to simplify testing, but it ended up detecting
// a bug (failure to close an internal search handle).
BOOST_CHECK( !fs::exists( dir ) );
BOOST_CHECK( fs::remove_all( dir ) == 0 );
return 0;
} // main
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