[ceph.git] / ceph / src / boost / libs / system / test / error_code_test.cpp

//  error_code_test.cpp  -----------------------------------------------------//

//  Copyright Beman Dawes 2006

//  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/system

//----------------------------------------------------------------------------//

#include <boost/config/warning_disable.hpp>

#include <boost/detail/lightweight_test.hpp>
#include <boost/system/error_code.hpp>
#include <boost/system/cygwin_error.hpp>
#include <boost/system/linux_error.hpp>
#include <boost/system/windows_error.hpp>
#include <iostream>
#include <sstream>
#include <string>
#include <cstring>
#include <functional>
#include <boost/cerrno.hpp>

//  Although using directives are not the best programming practice, testing
//  with a boost::system using directive increases use scenario coverage.
using namespace boost::system;

#if defined( BOOST_WINDOWS_API )
// Neither MinGW or Cygwin versions of winerror.h work if used alone, so on
// either of those platforms include the full windows.h
#  if defined(__MINGW32__) || defined(__CYGWIN__)
#    include <windows.h>
#  else
#    include <winerror.h>
#  endif
#  define BOOST_ACCESS_ERROR_MACRO ERROR_ACCESS_DENIED
#elif defined( BOOST_POSIX_API )
#  define BOOST_ACCESS_ERROR_MACRO EACCES
#else
#  error "Only supported for POSIX and Windows"
#endif

namespace
{
  void check_ostream( error_code ec, const char * expected )
  {
    std::stringstream ss;
    std::string s;

    ss << ec;
    ss >> s;
    BOOST_TEST( s == expected );
  }

  //  throws_function_test  ------------------------------------------------------------//

  //  usage example

  int divide(int dividend, int divisor, boost::system::error_code& ec = boost::throws())
  {
    if (divisor == 0)                            // is there an error?
    {
      if (&ec == &boost::throws())               // throw on error
        throw "oops!";                           // whatever exception you prefer
      ec = error_code(EDOM, generic_category()); // report error via error_code
      return 0;
    }
    
    if (&ec != &boost::throws())                 // error reporting via error_code
      ec.clear();
    return dividend / divisor;
  }

  //  test usage example

  void test_throws_usage()
  {
    std::cout << "Test throws() example and usage...\n";
    error_code ec;

    // no error tests
    BOOST_TEST_EQ((divide(10, 2)), 5);        // no error, report via exception
    ec = make_error_code(errc::argument_out_of_domain);
    BOOST_TEST_EQ((divide(10, 5, ec)), 2);    // no error, report via error_code
    BOOST_TEST(!ec);

    ec = make_error_code(errc::argument_out_of_domain);
    BOOST_TEST_EQ((divide(10, 0, ec)), 0);    // error, report via error_code
    BOOST_TEST(ec);

    bool exception_thrown = false;            
    try
      { divide(10, 0); }                      // error, report via exception
    catch (...)
      { exception_thrown = true; }            
    BOOST_TEST(exception_thrown);

    //error_code should_fail(boost::throws());     // should fail at runtime
    //boost::throws() = ec;                        // should fail at runtime
  }
}

//  main  ------------------------------------------------------------------------------//

// TODO: add hash_value tests

int main( int, char ** )
{

  std::cout << "Conversion use cases...\n";
  error_condition x1( errc::file_exists );
  //error_code x2( errc::file_exists ); // should fail to compile
  make_error_code(errc::file_exists);
  make_error_condition(errc::file_exists);

  std::cout << "General tests...\n";
  // unit tests:

  BOOST_TEST( generic_category() == generic_category() );
  BOOST_TEST( system_category() == system_category() );
  BOOST_TEST( generic_category() != system_category() );
  BOOST_TEST( system_category() != generic_category() );

  BOOST_TEST_NE( generic_category() < system_category(), system_category() < generic_category() );

  error_code ec;
  error_condition econd;
  BOOST_TEST( !ec );
  BOOST_TEST( ec.value() == 0 );
  econd = ec.default_error_condition();
  BOOST_TEST( econd.value() == 0 );
  BOOST_TEST( econd.category() == generic_category() );
  BOOST_TEST( ec == errc::success );
  BOOST_TEST( ec.category() == system_category() );
  BOOST_TEST( std::strcmp( ec.category().name(), "system") == 0 );
  BOOST_TEST( !(ec < error_code( 0, system_category() )) );
  BOOST_TEST( !(error_code( 0, system_category() ) < ec) );
  BOOST_TEST( ec < error_code( 1, system_category() ) );
  BOOST_TEST( !(error_code( 1, system_category() ) < ec) );

  error_code ec_0_system( 0, system_category() );
  BOOST_TEST( !ec_0_system );
  BOOST_TEST( ec_0_system.value() == 0 );
  econd = ec_0_system.default_error_condition();
  BOOST_TEST( econd.value() == 0 );
  BOOST_TEST( econd.category() == generic_category() );
  BOOST_TEST( ec_0_system == errc::success );
  BOOST_TEST( ec_0_system.category() == system_category() );
  BOOST_TEST( std::strcmp( ec_0_system.category().name(), "system") == 0 );
  check_ostream( ec_0_system, "system:0" );

  BOOST_TEST( ec_0_system == ec );

  error_code ec_1_system( 1, system_category() );
  BOOST_TEST( ec_1_system );
  BOOST_TEST( ec_1_system.value() == 1 );
  BOOST_TEST( ec_1_system.value() != 0 );
  BOOST_TEST( ec != ec_1_system );
  BOOST_TEST( ec_0_system != ec_1_system );
  check_ostream( ec_1_system, "system:1" );

  ec = error_code( BOOST_ACCESS_ERROR_MACRO, system_category() );
  BOOST_TEST( ec );
  BOOST_TEST( ec.value() == BOOST_ACCESS_ERROR_MACRO );
  econd = ec.default_error_condition();
  BOOST_TEST( econd.value() == static_cast<int>(errc::permission_denied) );
  BOOST_TEST( econd.category() == generic_category() );
  BOOST_TEST( econd == error_condition( errc::permission_denied, generic_category() ) );
  BOOST_TEST( econd == errc::permission_denied );
  BOOST_TEST( errc::permission_denied == econd );
  BOOST_TEST( ec == errc::permission_denied );
  BOOST_TEST( ec.category() == system_category() );
  BOOST_TEST( std::strcmp( ec.category().name(), "system") == 0 );

  // test the explicit make_error_code conversion for errc
  ec = make_error_code( errc::bad_message );
  BOOST_TEST( ec );
  BOOST_TEST( ec == errc::bad_message );
  BOOST_TEST( errc::bad_message == ec );
  BOOST_TEST( ec != errc::permission_denied );
  BOOST_TEST( errc::permission_denied != ec );
  BOOST_TEST( ec.category() == generic_category() );

  //// test the deprecated predefined error_category synonyms
  //BOOST_TEST( &system_category() == &native_ecat );
  //BOOST_TEST( &generic_category() == &errno_ecat );
  //BOOST_TEST( system_category() == native_ecat );
  //BOOST_TEST( generic_category() == errno_ecat );

  // test error_code and error_condition message();
  // see Boost.Filesystem operations_test for code specific message() tests
  ec = error_code( -1, system_category() );
  std::cout << "error_code message for -1 is \"" << ec.message() << "\"\n";
  std::cout << "error_code message for 0 is \"" << ec_0_system.message() << "\"\n";
#if defined(BOOST_WINDOWS_API)
  // Borland appends newline, so just check text
  BOOST_TEST( ec.message().substr(0,13) == "Unknown error" );
  // Fails when the language isn't US English
  // BOOST_TEST( ec_0_system.message().substr(0,36) == "The operation completed successfully" );
#elif  defined(linux) || defined(__linux) || defined(__linux__)
  // Linux appends value to message as unsigned, so it varies with # of bits
  BOOST_TEST( ec.message().substr(0,13) == "Unknown error" );
#elif defined(__hpux)
  BOOST_TEST( ec.message() == "" );
#elif defined(__osf__)
  BOOST_TEST( ec.message() == "Error -1 occurred." );
#elif defined(__vms)
  BOOST_TEST( ec.message() == "error -1" );
#endif

  ec = error_code( BOOST_ACCESS_ERROR_MACRO, system_category() );
  BOOST_TEST( ec.message() != "" );
  BOOST_TEST( ec.message().substr( 0, 13) != "Unknown error" );

  econd = error_condition( -1, generic_category() );
  error_condition econd_ok;
  std::cout << "error_condition message for -1 is \"" << econd.message() << "\"\n";
  std::cout << "error_condition message for 0 is \"" << econd_ok.message() << "\"\n";
#if defined(BOOST_WINDOWS_API)
  // Borland appends newline, so just check text
  BOOST_TEST( econd.message().substr(0,13) == "Unknown error" );
  BOOST_TEST( econd_ok.message().substr(0,8) == "No error" );
#elif  defined(linux) || defined(__linux) || defined(__linux__)
  // Linux appends value to message as unsigned, so it varies with # of bits
  BOOST_TEST( econd.message().substr(0,13) == "Unknown error" );
#elif defined(__hpux)
  BOOST_TEST( econd.message() == "" );
#elif defined(__osf__)
  BOOST_TEST( econd.message() == "Error -1 occurred." );
#elif defined(__vms)
  BOOST_TEST( econd.message() == "error -1" );
#endif

  econd = error_condition( BOOST_ACCESS_ERROR_MACRO, generic_category() );
  BOOST_TEST( econd.message() != "" );
  BOOST_TEST( econd.message().substr( 0, 13) != "Unknown error" );

  test_throws_usage();

#ifdef BOOST_WINDOWS_API
  std::cout << "Windows tests...\n";
  // these tests probe the Windows errc decoder
  //   test the first entry in the decoder table:
  ec = error_code( ERROR_ACCESS_DENIED, system_category() );
  BOOST_TEST( ec.value() == ERROR_ACCESS_DENIED );
  BOOST_TEST( ec == errc::permission_denied );
  BOOST_TEST( ec.default_error_condition().value() == errc::permission_denied );
  BOOST_TEST( ec.default_error_condition().category() == generic_category() );

  //   test the second entry in the decoder table:
  ec = error_code( ERROR_ALREADY_EXISTS, system_category() );
  BOOST_TEST( ec.value() == ERROR_ALREADY_EXISTS );
  BOOST_TEST( ec == errc::file_exists );
  BOOST_TEST( ec.default_error_condition().value() == errc::file_exists );
  BOOST_TEST( ec.default_error_condition().category() == generic_category() );

  //   test the third entry in the decoder table:
  ec = error_code( ERROR_BAD_UNIT, system_category() );
  BOOST_TEST( ec.value() == ERROR_BAD_UNIT );
  BOOST_TEST( ec == errc::no_such_device );
  BOOST_TEST( ec.default_error_condition().value() == errc::no_such_device );
  BOOST_TEST( ec.default_error_condition().category() == generic_category() );

  //   test the last non-Winsock entry in the decoder table:
  ec = error_code( ERROR_WRITE_PROTECT, system_category() );
  BOOST_TEST( ec.value() == ERROR_WRITE_PROTECT );
  BOOST_TEST( ec == errc::permission_denied );
  BOOST_TEST( ec.default_error_condition().value() == errc::permission_denied );
  BOOST_TEST( ec.default_error_condition().category() == generic_category() );

  //   test the last Winsock entry in the decoder table:
  ec = error_code( WSAEWOULDBLOCK, system_category() );
  BOOST_TEST( ec.value() == WSAEWOULDBLOCK );
  BOOST_TEST( ec == errc::operation_would_block );
  BOOST_TEST( ec.default_error_condition().value() == errc::operation_would_block );
  BOOST_TEST( ec.default_error_condition().category() == generic_category() );

  //   test not-in-table condition:
  ec = error_code( 1234567890, system_category() );
  BOOST_TEST( ec.value() == 1234567890 );
  BOOST_TEST( ec.default_error_condition().value() == 1234567890 );
  BOOST_TEST( ec.default_error_condition().category() == system_category() );

#else // POSIX

  std::cout << "POSIX tests...\n";
  ec = error_code( EACCES, system_category() );
  BOOST_TEST( ec == error_code( errc::permission_denied, system_category() ) );
  BOOST_TEST( error_code( errc::permission_denied, system_category() ) == ec );
  BOOST_TEST( ec == errc::permission_denied );
  BOOST_TEST( errc::permission_denied == ec );
  BOOST_TEST( ec.default_error_condition().value() == errc::permission_denied );
  BOOST_TEST( ec.default_error_condition().category() == generic_category() );

# ifdef __CYGWIN__

  std::cout << "Cygwin tests...\n";
  ec = cygwin_error::no_package;
  BOOST_TEST( ec == cygwin_error::no_package );
  BOOST_TEST( ec == error_code( ENOPKG, system_category() ) );
  BOOST_TEST( ec == error_code( cygwin_error::no_package, system_category() ) );
  BOOST_TEST( ec.default_error_condition().category() == system_category() );

# elif defined(linux) || defined(__linux) || defined(__linux__)

  std::cout << "Linux tests...\n";
  ec = linux_error::dot_dot_error;
  BOOST_TEST( ec == linux_error::dot_dot_error );
  BOOST_TEST( ec == error_code( EDOTDOT, system_category() ) );
  BOOST_TEST( ec == error_code( linux_error::dot_dot_error, system_category() ) );
  BOOST_TEST( ec.default_error_condition().category() == system_category() );

# endif

#endif
  
  return ::boost::report_errors();
}
Commit	Line	Data
7c673cae FG	1	// error_code_test.cpp -----------------------------------------------------//
	2
	3	// Copyright Beman Dawes 2006
	4
	5	// Distributed under the Boost Software License, Version 1.0. (See accompanying
	6	// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
	7
	8	// See library home page at http://www.boost.org/libs/system
	9
	10	//----------------------------------------------------------------------------//
	11
7c673cae FG	12	#include <boost/config/warning_disable.hpp>
	13
	14	#include <boost/detail/lightweight_test.hpp>
	15	#include <boost/system/error_code.hpp>
	16	#include <boost/system/cygwin_error.hpp>
	17	#include <boost/system/linux_error.hpp>
	18	#include <boost/system/windows_error.hpp>
	19	#include <iostream>
	20	#include <sstream>
	21	#include <string>
	22	#include <cstring>
	23	#include <functional>
	24	#include <boost/cerrno.hpp>
	25
	26	// Although using directives are not the best programming practice, testing
	27	// with a boost::system using directive increases use scenario coverage.
	28	using namespace boost::system;
	29
b32b8144 FG	30	#if defined( BOOST_WINDOWS_API )
	31	// Neither MinGW or Cygwin versions of winerror.h work if used alone, so on
	32	// either of those platforms include the full windows.h
	33	# if defined(__MINGW32__) \|\| defined(__CYGWIN__)
	34	# include <windows.h>
	35	# else
	36	# include <winerror.h>
	37	# endif
	38	# define BOOST_ACCESS_ERROR_MACRO ERROR_ACCESS_DENIED
	39	#elif defined( BOOST_POSIX_API )
	40	# define BOOST_ACCESS_ERROR_MACRO EACCES
	41	#else
	42	# error "Only supported for POSIX and Windows"
	43	#endif
7c673cae FG	44
	45	namespace
	46	{
	47	void check_ostream( error_code ec, const char * expected )
	48	{
	49	std::stringstream ss;
	50	std::string s;
	51
	52	ss << ec;
	53	ss >> s;
	54	BOOST_TEST( s == expected );
	55	}
b32b8144 FG	56
	57	// throws_function_test ------------------------------------------------------------//
	58
	59	// usage example
	60
	61	int divide(int dividend, int divisor, boost::system::error_code& ec = boost::throws())
	62	{
	63	if (divisor == 0) // is there an error?
	64	{
	65	if (&ec == &boost::throws()) // throw on error
	66	throw "oops!"; // whatever exception you prefer
	67	ec = error_code(EDOM, generic_category()); // report error via error_code
	68	return 0;
	69	}
	70
	71	if (&ec != &boost::throws()) // error reporting via error_code
	72	ec.clear();
	73	return dividend / divisor;
	74	}
	75
	76	// test usage example
	77
	78	void test_throws_usage()
	79	{
	80	std::cout << "Test throws() example and usage...\n";
	81	error_code ec;
	82
	83	// no error tests
	84	BOOST_TEST_EQ((divide(10, 2)), 5); // no error, report via exception
	85	ec = make_error_code(errc::argument_out_of_domain);
	86	BOOST_TEST_EQ((divide(10, 5, ec)), 2); // no error, report via error_code
	87	BOOST_TEST(!ec);
	88
	89	ec = make_error_code(errc::argument_out_of_domain);
	90	BOOST_TEST_EQ((divide(10, 0, ec)), 0); // error, report via error_code
	91	BOOST_TEST(ec);
	92
	93	bool exception_thrown = false;
	94	try
	95	{ divide(10, 0); } // error, report via exception
	96	catch (...)
	97	{ exception_thrown = true; }
	98	BOOST_TEST(exception_thrown);
	99
	100	//error_code should_fail(boost::throws()); // should fail at runtime
	101	//boost::throws() = ec; // should fail at runtime
	102	}
7c673cae FG	103	}
	104
	105	// main ------------------------------------------------------------------------------//
	106
	107	// TODO: add hash_value tests
	108
	109	int main( int, char ** )
	110	{
	111
	112	std::cout << "Conversion use cases...\n";
	113	error_condition x1( errc::file_exists );
	114	//error_code x2( errc::file_exists ); // should fail to compile
	115	make_error_code(errc::file_exists);
	116	make_error_condition(errc::file_exists);
	117
	118	std::cout << "General tests...\n";
	119	// unit tests:
	120
	121	BOOST_TEST( generic_category() == generic_category() );
	122	BOOST_TEST( system_category() == system_category() );
	123	BOOST_TEST( generic_category() != system_category() );
	124	BOOST_TEST( system_category() != generic_category() );
	125
92f5a8d4	126	BOOST_TEST_NE( generic_category() < system_category(), system_category() < generic_category() );
7c673cae FG	127
	128	error_code ec;
	129	error_condition econd;
	130	BOOST_TEST( !ec );
	131	BOOST_TEST( ec.value() == 0 );
	132	econd = ec.default_error_condition();
	133	BOOST_TEST( econd.value() == 0 );
	134	BOOST_TEST( econd.category() == generic_category() );
	135	BOOST_TEST( ec == errc::success );
	136	BOOST_TEST( ec.category() == system_category() );
	137	BOOST_TEST( std::strcmp( ec.category().name(), "system") == 0 );
	138	BOOST_TEST( !(ec < error_code( 0, system_category() )) );
	139	BOOST_TEST( !(error_code( 0, system_category() ) < ec) );
	140	BOOST_TEST( ec < error_code( 1, system_category() ) );
	141	BOOST_TEST( !(error_code( 1, system_category() ) < ec) );
	142
	143	error_code ec_0_system( 0, system_category() );
	144	BOOST_TEST( !ec_0_system );
	145	BOOST_TEST( ec_0_system.value() == 0 );
	146	econd = ec_0_system.default_error_condition();
	147	BOOST_TEST( econd.value() == 0 );
	148	BOOST_TEST( econd.category() == generic_category() );
	149	BOOST_TEST( ec_0_system == errc::success );
	150	BOOST_TEST( ec_0_system.category() == system_category() );
	151	BOOST_TEST( std::strcmp( ec_0_system.category().name(), "system") == 0 );
	152	check_ostream( ec_0_system, "system:0" );
	153
	154	BOOST_TEST( ec_0_system == ec );
	155
	156	error_code ec_1_system( 1, system_category() );
	157	BOOST_TEST( ec_1_system );
	158	BOOST_TEST( ec_1_system.value() == 1 );
	159	BOOST_TEST( ec_1_system.value() != 0 );
	160	BOOST_TEST( ec != ec_1_system );
	161	BOOST_TEST( ec_0_system != ec_1_system );
	162	check_ostream( ec_1_system, "system:1" );
	163
	164	ec = error_code( BOOST_ACCESS_ERROR_MACRO, system_category() );
	165	BOOST_TEST( ec );
	166	BOOST_TEST( ec.value() == BOOST_ACCESS_ERROR_MACRO );
	167	econd = ec.default_error_condition();
	168	BOOST_TEST( econd.value() == static_cast<int>(errc::permission_denied) );
	169	BOOST_TEST( econd.category() == generic_category() );
	170	BOOST_TEST( econd == error_condition( errc::permission_denied, generic_category() ) );
	171	BOOST_TEST( econd == errc::permission_denied );
	172	BOOST_TEST( errc::permission_denied == econd );
	173	BOOST_TEST( ec == errc::permission_denied );
	174	BOOST_TEST( ec.category() == system_category() );
	175	BOOST_TEST( std::strcmp( ec.category().name(), "system") == 0 );
	176
	177	// test the explicit make_error_code conversion for errc
	178	ec = make_error_code( errc::bad_message );
	179	BOOST_TEST( ec );
	180	BOOST_TEST( ec == errc::bad_message );
	181	BOOST_TEST( errc::bad_message == ec );
	182	BOOST_TEST( ec != errc::permission_denied );
	183	BOOST_TEST( errc::permission_denied != ec );
	184	BOOST_TEST( ec.category() == generic_category() );
	185
	186	//// test the deprecated predefined error_category synonyms
	187	//BOOST_TEST( &system_category() == &native_ecat );
	188	//BOOST_TEST( &generic_category() == &errno_ecat );
	189	//BOOST_TEST( system_category() == native_ecat );
	190	//BOOST_TEST( generic_category() == errno_ecat );
191
192	// test error_code and error_condition message();
193	// see Boost.Filesystem operations_test for code specific message() tests
194	ec = error_code( -1, system_category() );
195	std::cout << "error_code message for -1 is \"" << ec.message() << "\"\n";
196	std::cout << "error_code message for 0 is \"" << ec_0_system.message() << "\"\n";
197	#if defined(BOOST_WINDOWS_API)
198	// Borland appends newline, so just check text
199	BOOST_TEST( ec.message().substr(0,13) == "Unknown error" );
92f5a8d4 TL	200	// Fails when the language isn't US English
92f5a8d4 TL	201	// BOOST_TEST( ec_0_system.message().substr(0,36) == "The operation completed successfully" );
7c673cae FG	202	#elif defined(linux) \|\| defined(__linux) \|\| defined(__linux__)
	203	// Linux appends value to message as unsigned, so it varies with # of bits
	204	BOOST_TEST( ec.message().substr(0,13) == "Unknown error" );
	205	#elif defined(__hpux)
	206	BOOST_TEST( ec.message() == "" );
	207	#elif defined(__osf__)
	208	BOOST_TEST( ec.message() == "Error -1 occurred." );
	209	#elif defined(__vms)
	210	BOOST_TEST( ec.message() == "error -1" );
	211	#endif
	212
	213	ec = error_code( BOOST_ACCESS_ERROR_MACRO, system_category() );
	214	BOOST_TEST( ec.message() != "" );
	215	BOOST_TEST( ec.message().substr( 0, 13) != "Unknown error" );
	216
	217	econd = error_condition( -1, generic_category() );
	218	error_condition econd_ok;
	219	std::cout << "error_condition message for -1 is \"" << econd.message() << "\"\n";
	220	std::cout << "error_condition message for 0 is \"" << econd_ok.message() << "\"\n";
	221	#if defined(BOOST_WINDOWS_API)
	222	// Borland appends newline, so just check text
	223	BOOST_TEST( econd.message().substr(0,13) == "Unknown error" );
	224	BOOST_TEST( econd_ok.message().substr(0,8) == "No error" );
	225	#elif defined(linux) \|\| defined(__linux) \|\| defined(__linux__)
	226	// Linux appends value to message as unsigned, so it varies with # of bits
	227	BOOST_TEST( econd.message().substr(0,13) == "Unknown error" );
	228	#elif defined(__hpux)
	229	BOOST_TEST( econd.message() == "" );
	230	#elif defined(__osf__)
	231	BOOST_TEST( econd.message() == "Error -1 occurred." );
	232	#elif defined(__vms)
	233	BOOST_TEST( econd.message() == "error -1" );
	234	#endif
	235
	236	econd = error_condition( BOOST_ACCESS_ERROR_MACRO, generic_category() );
	237	BOOST_TEST( econd.message() != "" );
	238	BOOST_TEST( econd.message().substr( 0, 13) != "Unknown error" );
	239
b32b8144 FG	240	test_throws_usage();
b32b8144 FG	241
7c673cae FG	242	#ifdef BOOST_WINDOWS_API
	243	std::cout << "Windows tests...\n";
	244	// these tests probe the Windows errc decoder
	245	// test the first entry in the decoder table:
	246	ec = error_code( ERROR_ACCESS_DENIED, system_category() );
	247	BOOST_TEST( ec.value() == ERROR_ACCESS_DENIED );
	248	BOOST_TEST( ec == errc::permission_denied );
	249	BOOST_TEST( ec.default_error_condition().value() == errc::permission_denied );
	250	BOOST_TEST( ec.default_error_condition().category() == generic_category() );
	251
	252	// test the second entry in the decoder table:
	253	ec = error_code( ERROR_ALREADY_EXISTS, system_category() );
	254	BOOST_TEST( ec.value() == ERROR_ALREADY_EXISTS );
	255	BOOST_TEST( ec == errc::file_exists );
	256	BOOST_TEST( ec.default_error_condition().value() == errc::file_exists );
	257	BOOST_TEST( ec.default_error_condition().category() == generic_category() );
	258
	259	// test the third entry in the decoder table:
	260	ec = error_code( ERROR_BAD_UNIT, system_category() );
	261	BOOST_TEST( ec.value() == ERROR_BAD_UNIT );
	262	BOOST_TEST( ec == errc::no_such_device );
	263	BOOST_TEST( ec.default_error_condition().value() == errc::no_such_device );
	264	BOOST_TEST( ec.default_error_condition().category() == generic_category() );
	265
	266	// test the last non-Winsock entry in the decoder table:
	267	ec = error_code( ERROR_WRITE_PROTECT, system_category() );
	268	BOOST_TEST( ec.value() == ERROR_WRITE_PROTECT );
	269	BOOST_TEST( ec == errc::permission_denied );
	270	BOOST_TEST( ec.default_error_condition().value() == errc::permission_denied );
	271	BOOST_TEST( ec.default_error_condition().category() == generic_category() );
	272
	273	// test the last Winsock entry in the decoder table:
	274	ec = error_code( WSAEWOULDBLOCK, system_category() );
	275	BOOST_TEST( ec.value() == WSAEWOULDBLOCK );
	276	BOOST_TEST( ec == errc::operation_would_block );
	277	BOOST_TEST( ec.default_error_condition().value() == errc::operation_would_block );
	278	BOOST_TEST( ec.default_error_condition().category() == generic_category() );
	279
	280	// test not-in-table condition:
	281	ec = error_code( 1234567890, system_category() );
	282	BOOST_TEST( ec.value() == 1234567890 );
	283	BOOST_TEST( ec.default_error_condition().value() == 1234567890 );
	284	BOOST_TEST( ec.default_error_condition().category() == system_category() );
	285
	286	#else // POSIX
	287
	288	std::cout << "POSIX tests...\n";
	289	ec = error_code( EACCES, system_category() );
	290	BOOST_TEST( ec == error_code( errc::permission_denied, system_category() ) );
	291	BOOST_TEST( error_code( errc::permission_denied, system_category() ) == ec );
	292	BOOST_TEST( ec == errc::permission_denied );
	293	BOOST_TEST( errc::permission_denied == ec );
	294	BOOST_TEST( ec.default_error_condition().value() == errc::permission_denied );
	295	BOOST_TEST( ec.default_error_condition().category() == generic_category() );
	296
	297	# ifdef __CYGWIN__
	298
	299	std::cout << "Cygwin tests...\n";
	300	ec = cygwin_error::no_package;
	301	BOOST_TEST( ec == cygwin_error::no_package );
	302	BOOST_TEST( ec == error_code( ENOPKG, system_category() ) );
	303	BOOST_TEST( ec == error_code( cygwin_error::no_package, system_category() ) );
	304	BOOST_TEST( ec.default_error_condition().category() == system_category() );
	305
306	# elif defined(linux) \|\| defined(__linux) \|\| defined(__linux__)
307
308	std::cout << "Linux tests...\n";
309	ec = linux_error::dot_dot_error;
310	BOOST_TEST( ec == linux_error::dot_dot_error );
311	BOOST_TEST( ec == error_code( EDOTDOT, system_category() ) );
312	BOOST_TEST( ec == error_code( linux_error::dot_dot_error, system_category() ) );
313	BOOST_TEST( ec.default_error_condition().category() == system_category() );
314
315	# endif
316
317	#endif
318
319	return ::boost::report_errors();
320	}
321
322