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Add a noexcept overload of message() taking a buffer

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This commit is contained in:
Peter Dimov
2018-09-21 03:16:55 +03:00
parent a4e700ecf4
commit ec93d058fe
6 changed files with 310 additions and 83 deletions
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test/Jamfile.v2
+28 -28
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@@ -1,6 +1,7 @@
# Boost System Library test Jamfile
# Copyright Beman Dawes 2003, 2006
# Copyright 2017, 2018 Peter Dimov
# Distributed under the Boost Software License, Version 1.0.
# See accompanying file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt
@@ -13,7 +14,6 @@ import os ;
project
: requirements
<library>/boost/system//boost_system
<toolset>msvc:<asynch-exceptions>on
;
lib throw_test : throw_test.cpp : <link>shared:<define>THROW_DYN_LINK=1 ;
@@ -98,33 +98,33 @@ else
}
}
test-suite "system"
: [ system-run error_code_test.cpp ]
[ system-run error_code_user_test.cpp ]
[ system-run system_error_test.cpp ]
[ run dynamic_link_test.cpp throw_test
: : : <link>shared : throw_test_shared
]
[ system-run initialization_test.cpp ]
[ run header_only_test.cpp
: : : -<library>/boost/system//boost_system
]
[ run header_only_test.cpp
: : : -<library>/boost/system//boost_system <define>BOOST_NO_ANSI_APIS : header_only_test_no_ansi
]
[ run config_test.cpp
: : : <test-info>always_show_run_output
]
[ system-run- std_interop_test.cpp ]
[ system-run std_mismatch_test.cpp ]
[ system-run single_instance_test.cpp single_instance_1.cpp single_instance_2.cpp ]
[ run single_instance_test.cpp single_instance_lib1 single_instance_lib2 : : : <link>static : single_instance_lib_static ]
[ run single_instance_test.cpp single_instance_lib1 single_instance_lib2 : : : <link>shared : single_instance_lib_shared ]
[ system-run before_main_test.cpp ]
[ run-fail throws_assign_fail.cpp ]
[ system-run- constexpr_test.cpp ]
[ system-run win32_hresult_test.cpp ]
;
system-run error_code_test.cpp ;
system-run error_code_user_test.cpp ;
system-run system_error_test.cpp ;
run dynamic_link_test.cpp throw_test : : : <link>shared : throw_test_shared ;
system-run initialization_test.cpp ;
run header_only_test.cpp : : : -<library>/boost/system//boost_system ;
run header_only_test.cpp : : : -<library>/boost/system//boost_system <define>BOOST_NO_ANSI_APIS : header_only_test_no_ansi ;
run config_test.cpp : : : <test-info>always_show_run_output ;
system-run- std_interop_test.cpp ;
system-run std_mismatch_test.cpp ;
system-run single_instance_test.cpp single_instance_1.cpp single_instance_2.cpp ;
run single_instance_test.cpp single_instance_lib1 single_instance_lib2 : : : <link>static : single_instance_lib_static ;
run single_instance_test.cpp single_instance_lib1 single_instance_lib2 : : : <link>shared : single_instance_lib_shared ;
system-run before_main_test.cpp ;
run-fail throws_assign_fail.cpp ;
system-run- constexpr_test.cpp ;
system-run win32_hresult_test.cpp ;
system-run error_category_test.cpp ;
system-run generic_category_test.cpp ;
# Quick (CI) test
run quick.cpp ;
test/error_category_test.cpp
+82
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@@ -0,0 +1,82 @@
// Copyright 2018 Peter Dimov.
//
// 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
// Avoid spurious VC++ warnings
# define _CRT_SECURE_NO_WARNINGS
#include <boost/system/error_code.hpp>
#include <boost/core/lightweight_test.hpp>
#include <cstdio>
//
namespace sys = boost::system;
class user_category: public sys::error_category
{
public:
virtual const char * name() const BOOST_NOEXCEPT
{
return "user";
}
virtual std::string message( int ev ) const
{
char buffer[ 256 ];
std::sprintf( buffer, "user message %d", ev );
return buffer;
}
using sys::error_category::message;
};
static user_category s_cat_1;
static user_category s_cat_2;
int main()
{
// default_error_condition
BOOST_TEST( s_cat_1.default_error_condition( 1 ) == sys::error_condition( 1, s_cat_1 ) );
BOOST_TEST( s_cat_2.default_error_condition( 2 ) == sys::error_condition( 2, s_cat_2 ) );
// equivalent
BOOST_TEST( s_cat_1.equivalent( 1, sys::error_condition( 1, s_cat_1 ) ) );
BOOST_TEST( !s_cat_1.equivalent( 1, sys::error_condition( 2, s_cat_1 ) ) );
BOOST_TEST( !s_cat_1.equivalent( 1, sys::error_condition( 2, s_cat_2 ) ) );
// the other equivalent
BOOST_TEST( s_cat_1.equivalent( sys::error_code( 1, s_cat_1 ), 1 ) );
BOOST_TEST( !s_cat_1.equivalent( sys::error_code( 1, s_cat_1 ), 2 ) );
BOOST_TEST( !s_cat_1.equivalent( sys::error_code( 1, s_cat_2 ), 1 ) );
// message
{
char buffer[ 256 ];
BOOST_TEST_CSTR_EQ( s_cat_1.message( 1, buffer, sizeof( buffer ) ), s_cat_1.message( 1 ).c_str() );
}
{
char buffer[ 4 ];
BOOST_TEST_CSTR_EQ( s_cat_1.message( 1, buffer, sizeof( buffer ) ), "use" );
}
// ==
BOOST_TEST_NOT( s_cat_1 == s_cat_2 );
BOOST_TEST( s_cat_1 != s_cat_2 );
return boost::report_errors();
}
test/generic_category_test.cpp
+41
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@@ -0,0 +1,41 @@
// Copyright 2018 Peter Dimov.
//
// 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
// Avoid spurious VC++ warnings
# define _CRT_SECURE_NO_WARNINGS
#include <boost/system/error_code.hpp>
#include <boost/core/lightweight_test.hpp>
#include <cstring>
//
namespace sys = boost::system;
int main()
{
sys::error_category const & cat = sys::generic_category();
// message
for( int i = -1; i < 1024; ++i )
{
{
BOOST_TEST_CSTR_EQ( cat.message( i ).c_str(), std::strerror( i ) );
}
{
char buffer[ 256 ];
BOOST_TEST_CSTR_EQ( cat.message( i, buffer, sizeof( buffer ) ), std::strerror( i ) );
}
}
return boost::report_errors();
}