795 lines
26 KiB
Plaintext
795 lines
26 KiB
Plaintext
// (C) Copyright Gennadiy Rozental 2001.
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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// See http://www.boost.org/libs/test for the library home page.
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//
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// File : $RCSfile$
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//
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// Version : $Revision$
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//
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// Description : supplies offline implementation for the Test Tools
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// ***************************************************************************
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#ifndef BOOST_TEST_TEST_TOOLS_IPP_012205GER
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#define BOOST_TEST_TEST_TOOLS_IPP_012205GER
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// Boost.Test
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#include <boost/test/unit_test_log.hpp>
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#include <boost/test/tools/context.hpp>
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#include <boost/test/tools/output_test_stream.hpp>
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#include <boost/test/tools/detail/fwd.hpp>
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#include <boost/test/tools/detail/print_helper.hpp>
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#include <boost/test/framework.hpp>
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#include <boost/test/tree/test_unit.hpp>
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#include <boost/test/execution_monitor.hpp> // execution_aborted
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#include <boost/test/detail/throw_exception.hpp>
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#include <boost/test/utils/algorithm.hpp>
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// Boost
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#include <boost/config.hpp>
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// STL
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#include <fstream>
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#include <string>
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#include <cstring>
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#include <cctype>
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#include <cwchar>
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#include <stdexcept>
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#include <vector>
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#include <utility>
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#include <ios>
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// !! should we use #include <cstdarg>
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#include <stdarg.h>
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#include <boost/test/detail/suppress_warnings.hpp>
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//____________________________________________________________________________//
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# ifdef BOOST_NO_STDC_NAMESPACE
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namespace std { using ::strcmp; using ::strlen; using ::isprint; }
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#if !defined( BOOST_NO_CWCHAR )
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namespace std { using ::wcscmp; }
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#endif
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# endif
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namespace boost {
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namespace test_tools {
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namespace tt_detail {
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// ************************************************************************** //
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// ************** print_log_value ************** //
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// ************************************************************************** //
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void
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print_log_value<char>::operator()( std::ostream& ostr, char t )
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{
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if( (std::isprint)( static_cast<unsigned char>(t) ) )
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ostr << '\'' << t << '\'';
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else
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ostr << std::hex
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#if BOOST_TEST_USE_STD_LOCALE
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<< std::showbase
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#else
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<< "0x"
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#endif
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<< static_cast<int>(t);
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}
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//____________________________________________________________________________//
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void
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print_log_value<unsigned char>::operator()( std::ostream& ostr, unsigned char t )
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{
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ostr << std::hex
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// showbase is only available for new style streams:
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#if BOOST_TEST_USE_STD_LOCALE
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<< std::showbase
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#else
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<< "0x"
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#endif
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<< static_cast<int>(t);
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}
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//____________________________________________________________________________//
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void
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print_log_value<char const*>::operator()( std::ostream& ostr, char const* t )
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{
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ostr << ( t ? t : "null string" );
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}
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//____________________________________________________________________________//
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void
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print_log_value<wchar_t const*>::operator()( std::ostream& ostr, wchar_t const* t )
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{
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ostr << ( t ? t : L"null string" );
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}
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//____________________________________________________________________________//
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// ************************************************************************** //
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// ************** TOOL BOX Implementation ************** //
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// ************************************************************************** //
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using ::boost::unit_test::lazy_ostream;
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static char const* check_str [] = { " == ", " != ", " < " , " <= ", " > " , " >= " };
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static char const* rever_str [] = { " != ", " == ", " >= ", " > " , " <= ", " < " };
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template<typename OutStream>
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void
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format_report( OutStream& os, assertion_result const& pr, unit_test::lazy_ostream const& assertion_descr,
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tool_level tl, check_type ct,
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std::size_t num_args, va_list args,
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char const* prefix, char const* suffix )
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{
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using namespace unit_test;
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switch( ct ) {
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case CHECK_PRED:
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os << prefix << assertion_descr << suffix;
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if( !pr.has_empty_message() )
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os << ". " << pr.message();
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break;
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case CHECK_BUILT_ASSERTION: {
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os << prefix << assertion_descr << suffix;
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if( tl != PASS ) {
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const_string details_message = pr.message();
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if( !details_message.is_empty() ) {
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os << details_message;
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}
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}
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break;
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}
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case CHECK_MSG:
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if( tl == PASS )
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os << prefix << "'" << assertion_descr << "'" << suffix;
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else
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os << assertion_descr;
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if( !pr.has_empty_message() )
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os << ". " << pr.message();
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break;
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case CHECK_EQUAL:
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case CHECK_NE:
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case CHECK_LT:
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case CHECK_LE:
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case CHECK_GT:
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case CHECK_GE: {
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char const* arg1_descr = va_arg( args, char const* );
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lazy_ostream const* arg1_val = va_arg( args, lazy_ostream const* );
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char const* arg2_descr = va_arg( args, char const* );
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lazy_ostream const* arg2_val = va_arg( args, lazy_ostream const* );
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os << prefix << arg1_descr << check_str[ct-CHECK_EQUAL] << arg2_descr << suffix;
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if( tl != PASS )
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os << " [" << *arg1_val << rever_str[ct-CHECK_EQUAL] << *arg2_val << "]" ;
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if( !pr.has_empty_message() )
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os << ". " << pr.message();
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break;
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}
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case CHECK_CLOSE:
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case CHECK_CLOSE_FRACTION: {
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char const* arg1_descr = va_arg( args, char const* );
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lazy_ostream const* arg1_val = va_arg( args, lazy_ostream const* );
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char const* arg2_descr = va_arg( args, char const* );
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lazy_ostream const* arg2_val = va_arg( args, lazy_ostream const* );
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/* toler_descr = */ va_arg( args, char const* );
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lazy_ostream const* toler_val = va_arg( args, lazy_ostream const* );
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os << "difference{" << pr.message()
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<< "} between " << arg1_descr << "{" << *arg1_val
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<< "} and " << arg2_descr << "{" << *arg2_val
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<< ( tl == PASS ? "} doesn't exceed " : "} exceeds " )
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<< *toler_val;
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if( ct == CHECK_CLOSE )
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os << "%";
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break;
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}
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case CHECK_SMALL: {
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char const* arg1_descr = va_arg( args, char const* );
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lazy_ostream const* arg1_val = va_arg( args, lazy_ostream const* );
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/* toler_descr = */ va_arg( args, char const* );
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lazy_ostream const* toler_val = va_arg( args, lazy_ostream const* );
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os << "absolute value of " << arg1_descr << "{" << *arg1_val << "}"
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<< ( tl == PASS ? " doesn't exceed " : " exceeds " )
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<< *toler_val;
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if( !pr.has_empty_message() )
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os << ". " << pr.message();
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break;
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}
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case CHECK_PRED_WITH_ARGS: {
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std::vector< std::pair<char const*, lazy_ostream const*> > args_copy;
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args_copy.reserve( num_args );
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for( std::size_t i = 0; i < num_args; ++i ) {
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char const* desc = va_arg( args, char const* );
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lazy_ostream const* value = va_arg( args, lazy_ostream const* );
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args_copy.push_back( std::make_pair( desc, value ) );
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}
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os << prefix << assertion_descr;
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// print predicate call description
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os << "( ";
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for( std::size_t i = 0; i < num_args; ++i ) {
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os << args_copy[i].first;
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if( i != num_args-1 )
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os << ", ";
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}
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os << " )" << suffix;
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if( tl != PASS ) {
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os << " for ( ";
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for( std::size_t i = 0; i < num_args; ++i ) {
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os << *args_copy[i].second;
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if( i != num_args-1 )
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os << ", ";
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}
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os << " )";
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}
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if( !pr.has_empty_message() )
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os << ". " << pr.message();
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break;
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}
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case CHECK_EQUAL_COLL: {
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char const* left_begin_descr = va_arg( args, char const* );
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char const* left_end_descr = va_arg( args, char const* );
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char const* right_begin_descr = va_arg( args, char const* );
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char const* right_end_descr = va_arg( args, char const* );
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os << prefix << "{ " << left_begin_descr << ", " << left_end_descr << " } == { "
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<< right_begin_descr << ", " << right_end_descr << " }"
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<< suffix;
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if( !pr.has_empty_message() )
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os << ". " << pr.message();
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break;
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}
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case CHECK_BITWISE_EQUAL: {
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char const* left_descr = va_arg( args, char const* );
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char const* right_descr = va_arg( args, char const* );
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os << prefix << left_descr << " =.= " << right_descr << suffix;
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if( !pr.has_empty_message() )
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os << ". " << pr.message();
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break;
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}
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}
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}
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//____________________________________________________________________________//
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bool
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report_assertion( assertion_result const& ar,
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lazy_ostream const& assertion_descr,
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const_string file_name,
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std::size_t line_num,
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tool_level tl,
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check_type ct,
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std::size_t num_args, ... )
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{
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using namespace unit_test;
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BOOST_TEST_I_ASSRT( framework::current_test_case_id() != INV_TEST_UNIT_ID,
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std::runtime_error( "Can't use testing tools outside of test case implementation." ) );
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if( !!ar )
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tl = PASS;
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log_level ll;
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char const* prefix;
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char const* suffix;
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switch( tl ) {
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case PASS:
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ll = log_successful_tests;
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prefix = "check ";
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suffix = " has passed";
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break;
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case WARN:
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ll = log_warnings;
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prefix = "condition ";
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suffix = " is not satisfied";
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break;
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case CHECK:
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ll = log_all_errors;
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prefix = "check ";
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suffix = " has failed";
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break;
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case REQUIRE:
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ll = log_fatal_errors;
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prefix = "critical check ";
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suffix = " has failed";
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break;
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default:
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return true;
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}
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unit_test_log << unit_test::log::begin( file_name, line_num ) << ll;
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va_list args;
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va_start( args, num_args );
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format_report( unit_test_log, ar, assertion_descr, tl, ct, num_args, args, prefix, suffix );
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va_end( args );
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unit_test_log << unit_test::log::end();
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switch( tl ) {
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case PASS:
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framework::assertion_result( AR_PASSED );
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return true;
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case WARN:
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framework::assertion_result( AR_TRIGGERED );
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return false;
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case CHECK:
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framework::assertion_result( AR_FAILED );
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return false;
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case REQUIRE:
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framework::assertion_result( AR_FAILED );
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framework::test_unit_aborted( framework::current_test_case() );
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BOOST_TEST_I_THROW( execution_aborted() );
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}
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return true;
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}
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//____________________________________________________________________________//
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assertion_result
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format_assertion_result( const_string expr_val, const_string details )
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{
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assertion_result res(false);
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bool starts_new_line = first_char( expr_val ) == '\n';
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if( !starts_new_line && !expr_val.is_empty() )
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res.message().stream() << " [" << expr_val << "]";
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if( !details.is_empty() ) {
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if( first_char(details) != '[' )
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res.message().stream() << ". ";
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else
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res.message().stream() << " ";
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res.message().stream() << details;
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}
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if( starts_new_line )
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res.message().stream() << "." << expr_val;
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return res;
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}
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//____________________________________________________________________________//
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BOOST_TEST_DECL std::string
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prod_report_format( assertion_result const& ar, unit_test::lazy_ostream const& assertion_descr, check_type ct, std::size_t num_args, ... )
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{
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std::ostringstream msg_buff;
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va_list args;
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va_start( args, num_args );
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format_report( msg_buff, ar, assertion_descr, CHECK, ct, num_args, args, "assertion ", " failed" );
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va_end( args );
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return msg_buff.str();
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}
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//____________________________________________________________________________//
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assertion_result
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equal_impl( char const* left, char const* right )
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{
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return (left && right) ? std::strcmp( left, right ) == 0 : (left == right);
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}
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//____________________________________________________________________________//
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#if !defined( BOOST_NO_CWCHAR )
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assertion_result
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equal_impl( wchar_t const* left, wchar_t const* right )
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{
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return (left && right) ? std::wcscmp( left, right ) == 0 : (left == right);
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}
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#endif // !defined( BOOST_NO_CWCHAR )
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//____________________________________________________________________________//
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bool
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is_defined_impl( const_string symbol_name, const_string symbol_value )
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{
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symbol_value.trim_left( 2 );
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return symbol_name != symbol_value;
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}
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//____________________________________________________________________________//
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// ************************************************************************** //
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// ************** context_frame ************** //
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// ************************************************************************** //
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context_frame::context_frame( ::boost::unit_test::lazy_ostream const& context_descr )
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: m_frame_id( unit_test::framework::add_context( context_descr, true ) )
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{
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}
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//____________________________________________________________________________//
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context_frame::~context_frame()
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{
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unit_test::framework::clear_context( m_frame_id );
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}
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//____________________________________________________________________________//
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context_frame::operator bool()
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{
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return true;
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}
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//____________________________________________________________________________//
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} // namespace tt_detail
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// ************************************************************************** //
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// ************** output_test_stream ************** //
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// ************************************************************************** //
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struct output_test_stream::Impl
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{
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std::fstream m_pattern;
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bool m_match_or_save;
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bool m_text_or_binary;
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std::string m_synced_string;
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char get_char()
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{
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char res;
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do {
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m_pattern.get( res );
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} while( m_text_or_binary && res == '\r' && !m_pattern.fail() && !m_pattern.eof() );
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return res;
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}
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void check_and_fill( assertion_result& res )
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{
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if( !res.p_predicate_value )
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res.message() << "Output content: \"" << m_synced_string << '\"';
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}
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};
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//____________________________________________________________________________//
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output_test_stream::output_test_stream( const_string pattern_file_name, bool match_or_save, bool text_or_binary )
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: m_pimpl( new Impl )
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{
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if( !pattern_file_name.is_empty() ) {
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std::ios::openmode m = match_or_save ? std::ios::in : std::ios::out;
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if( !text_or_binary )
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m |= std::ios::binary;
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m_pimpl->m_pattern.open( pattern_file_name.begin(), m );
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if( !m_pimpl->m_pattern.is_open() )
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BOOST_TEST_FRAMEWORK_MESSAGE( "Can't open pattern file " << pattern_file_name << " for " << (match_or_save ? "reading" : "writing") );
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}
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m_pimpl->m_match_or_save = match_or_save;
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m_pimpl->m_text_or_binary = text_or_binary;
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}
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//____________________________________________________________________________//
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output_test_stream::~output_test_stream()
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{
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delete m_pimpl;
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}
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//____________________________________________________________________________//
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assertion_result
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output_test_stream::is_empty( bool flush_stream )
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{
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sync();
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assertion_result res( m_pimpl->m_synced_string.empty() );
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m_pimpl->check_and_fill( res );
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if( flush_stream )
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flush();
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return res;
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}
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//____________________________________________________________________________//
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assertion_result
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output_test_stream::check_length( std::size_t length_, bool flush_stream )
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{
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sync();
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assertion_result res( m_pimpl->m_synced_string.length() == length_ );
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m_pimpl->check_and_fill( res );
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if( flush_stream )
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flush();
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return res;
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}
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//____________________________________________________________________________//
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|
|
|
assertion_result
|
|
output_test_stream::is_equal( const_string arg, bool flush_stream )
|
|
{
|
|
sync();
|
|
|
|
assertion_result res( const_string( m_pimpl->m_synced_string ) == arg );
|
|
|
|
m_pimpl->check_and_fill( res );
|
|
|
|
if( flush_stream )
|
|
flush();
|
|
|
|
return res;
|
|
}
|
|
|
|
//____________________________________________________________________________//
|
|
|
|
std::string pretty_print_log(std::string str) {
|
|
|
|
static const std::string to_replace[] = { "\r", "\n" };
|
|
static const std::string replacement[] = { "\\r", "\\n" };
|
|
|
|
return unit_test::utils::replace_all_occurrences_of(
|
|
str,
|
|
to_replace, to_replace + sizeof(to_replace)/sizeof(to_replace[0]),
|
|
replacement, replacement + sizeof(replacement)/sizeof(replacement[0]));
|
|
}
|
|
|
|
assertion_result
|
|
output_test_stream::match_pattern( bool flush_stream )
|
|
{
|
|
const std::string::size_type n_chars_presuffix = 10;
|
|
sync();
|
|
|
|
assertion_result result( true );
|
|
|
|
const std::string stream_string_repr = get_stream_string_representation();
|
|
|
|
if( !m_pimpl->m_pattern.is_open() ) {
|
|
result = false;
|
|
result.message() << "Pattern file can't be opened!";
|
|
}
|
|
else {
|
|
if( m_pimpl->m_match_or_save ) {
|
|
|
|
int offset = 0;
|
|
std::vector<char> last_elements;
|
|
for ( std::string::size_type i = 0; static_cast<int>(i + offset) < static_cast<int>(stream_string_repr.length()); ++i ) {
|
|
char c = m_pimpl->get_char();
|
|
|
|
if( last_elements.size() <= n_chars_presuffix ) {
|
|
last_elements.push_back( c );
|
|
}
|
|
else {
|
|
last_elements[ i % last_elements.size() ] = c;
|
|
}
|
|
|
|
bool is_same = !m_pimpl->m_pattern.fail() &&
|
|
!m_pimpl->m_pattern.eof() &&
|
|
(stream_string_repr[i+offset] == c);
|
|
|
|
if( !is_same ) {
|
|
|
|
result = false;
|
|
|
|
std::string::size_type prefix_size = (std::min)( i + offset, n_chars_presuffix );
|
|
|
|
std::string::size_type suffix_size = (std::min)( stream_string_repr.length() - i - offset,
|
|
n_chars_presuffix );
|
|
|
|
// try to log area around the mismatch
|
|
std::string substr = stream_string_repr.substr(0, i+offset);
|
|
std::size_t line = std::count(substr.begin(), substr.end(), '\n');
|
|
std::size_t column = i + offset - substr.rfind('\n');
|
|
|
|
result.message()
|
|
<< "Mismatch at position " << i
|
|
<< " (line " << line
|
|
<< ", column " << column
|
|
<< "): '" << pretty_print_log(std::string(1, stream_string_repr[i+offset])) << "' != '" << pretty_print_log(std::string(1, c)) << "' :\n";
|
|
|
|
// we already escape this substring because we need its actual size for the pretty print
|
|
// of the difference location.
|
|
std::string sub_str_prefix(pretty_print_log(stream_string_repr.substr( i + offset - prefix_size, prefix_size )));
|
|
|
|
// we need this substring as is because we compute the best matching substrings on it.
|
|
std::string sub_str_suffix(stream_string_repr.substr( i + offset, suffix_size));
|
|
result.message() << "... " << sub_str_prefix + pretty_print_log(sub_str_suffix) << " ..." << '\n';
|
|
|
|
result.message() << "... ";
|
|
for( std::size_t j = 0; j < last_elements.size() ; j++ )
|
|
result.message() << pretty_print_log(std::string(1, last_elements[(i + j + 1) % last_elements.size()]));
|
|
|
|
std::vector<char> last_elements_ordered;
|
|
last_elements_ordered.push_back(c);
|
|
for( std::string::size_type counter = 0; counter < suffix_size - 1 ; counter++ ) {
|
|
char c2 = m_pimpl->get_char();
|
|
|
|
if( m_pimpl->m_pattern.fail() || m_pimpl->m_pattern.eof() )
|
|
break;
|
|
|
|
result.message() << pretty_print_log(std::string(1, c2));
|
|
|
|
last_elements_ordered.push_back(c2);
|
|
}
|
|
|
|
// tries to find the best substring matching in the remainder of the
|
|
// two strings
|
|
std::size_t max_nb_char_in_common = 0;
|
|
std::size_t best_pattern_start_index = 0;
|
|
std::size_t best_stream_start_index = 0;
|
|
for( std::size_t pattern_start_index = best_pattern_start_index;
|
|
pattern_start_index < last_elements_ordered.size();
|
|
pattern_start_index++ ) {
|
|
for( std::size_t stream_start_index = best_stream_start_index;
|
|
stream_start_index < sub_str_suffix.size();
|
|
stream_start_index++ ) {
|
|
|
|
std::size_t max_size = (std::min)( last_elements_ordered.size() - pattern_start_index, sub_str_suffix.size() - stream_start_index );
|
|
if( max_nb_char_in_common > max_size )
|
|
break; // safely break to go to the outer loop
|
|
|
|
std::size_t nb_char_in_common = 0;
|
|
for( std::size_t k = 0; k < max_size; k++) {
|
|
if( last_elements_ordered[pattern_start_index + k] == sub_str_suffix[stream_start_index + k] )
|
|
nb_char_in_common ++;
|
|
else
|
|
break; // we take fully macthing substring only
|
|
}
|
|
|
|
if( nb_char_in_common > max_nb_char_in_common ) {
|
|
max_nb_char_in_common = nb_char_in_common;
|
|
best_pattern_start_index = pattern_start_index;
|
|
best_stream_start_index = stream_start_index;
|
|
}
|
|
}
|
|
}
|
|
|
|
// indicates with more precision the location of the mismatchs in ascii arts ...
|
|
result.message() << " ...\n... ";
|
|
for( std::string::size_type j = 0; j < sub_str_prefix.size(); j++) {
|
|
result.message() << ' ';
|
|
}
|
|
|
|
for( std::size_t k = 0; k < (std::max)(best_pattern_start_index, best_stream_start_index); k++ ) { // 1 is for the current char c
|
|
std::string s1(pretty_print_log(std::string(1, last_elements_ordered[(std::min)(k, best_pattern_start_index)])));
|
|
std::string s2(pretty_print_log(std::string(1, sub_str_suffix[(std::min)(k, best_stream_start_index)])));
|
|
for( int h = (std::max)(s1.size(), s2.size()); h > 0; h--)
|
|
result.message() << "~";
|
|
}
|
|
result.message() << "\n";
|
|
|
|
// first char is a replicat of c, so we do not copy it.
|
|
for(std::string::size_type counter = 0; counter < last_elements_ordered.size() - 1 ; counter++)
|
|
last_elements[ (i + 1 + counter) % last_elements.size() ] = last_elements_ordered[counter + 1];
|
|
|
|
i += last_elements_ordered.size()-1;
|
|
offset += best_stream_start_index - best_pattern_start_index;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
// not needed anymore
|
|
/*
|
|
if(offset > 0 && false) {
|
|
m_pimpl->m_pattern.ignore(
|
|
static_cast<std::streamsize>( offset ));
|
|
}
|
|
*/
|
|
}
|
|
else {
|
|
m_pimpl->m_pattern.write( stream_string_repr.c_str(),
|
|
static_cast<std::streamsize>( stream_string_repr.length() ) );
|
|
m_pimpl->m_pattern.flush();
|
|
}
|
|
}
|
|
|
|
if( flush_stream )
|
|
flush();
|
|
|
|
return result;
|
|
}
|
|
|
|
//____________________________________________________________________________//
|
|
|
|
void
|
|
output_test_stream::flush()
|
|
{
|
|
m_pimpl->m_synced_string.erase();
|
|
|
|
#ifndef BOOST_NO_STRINGSTREAM
|
|
str( std::string() );
|
|
#else
|
|
seekp( 0, std::ios::beg );
|
|
#endif
|
|
}
|
|
|
|
|
|
std::string
|
|
output_test_stream::get_stream_string_representation() const {
|
|
return m_pimpl->m_synced_string;
|
|
}
|
|
|
|
//____________________________________________________________________________//
|
|
|
|
std::size_t
|
|
output_test_stream::length()
|
|
{
|
|
sync();
|
|
|
|
return m_pimpl->m_synced_string.length();
|
|
}
|
|
|
|
//____________________________________________________________________________//
|
|
|
|
void
|
|
output_test_stream::sync()
|
|
{
|
|
#ifdef BOOST_NO_STRINGSTREAM
|
|
m_pimpl->m_synced_string.assign( str(), pcount() );
|
|
freeze( false );
|
|
#else
|
|
m_pimpl->m_synced_string = str();
|
|
#endif
|
|
}
|
|
|
|
//____________________________________________________________________________//
|
|
|
|
} // namespace test_tools
|
|
} // namespace boost
|
|
|
|
#include <boost/test/detail/enable_warnings.hpp>
|
|
|
|
#endif // BOOST_TEST_TEST_TOOLS_IPP_012205GER
|