124 lines
3.9 KiB
C++
124 lines
3.9 KiB
C++
/*
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* Copyright Andrey Semashev 2007 - 2015.
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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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*/
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/*!
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* \file form_attr.cpp
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* \author Andrey Semashev
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* \date 01.02.2009
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*
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* \brief This header contains tests for the \c attr formatter.
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*/
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#define BOOST_TEST_MODULE form_attr
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#include <memory>
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#include <string>
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#include <iomanip>
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#include <ostream>
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#include <algorithm>
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#include <boost/test/unit_test.hpp>
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#include <boost/log/attributes/constant.hpp>
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#include <boost/log/attributes/attribute_set.hpp>
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#include <boost/log/utility/type_dispatch/standard_types.hpp>
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#include <boost/log/utility/formatting_ostream.hpp>
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#include <boost/log/expressions.hpp>
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#include <boost/log/core/record.hpp>
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#include "char_definitions.hpp"
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#include "make_record.hpp"
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namespace logging = boost::log;
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namespace attrs = logging::attributes;
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namespace expr = logging::expressions;
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namespace {
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class my_class
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{
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int m_Data;
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public:
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explicit my_class(int data) : m_Data(data) {}
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template< typename CharT, typename TraitsT >
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friend std::basic_ostream< CharT, TraitsT >& operator<< (std::basic_ostream< CharT, TraitsT >& strm, my_class const& obj)
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{
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strm << "[data: " << obj.m_Data << "]";
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return strm;
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}
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};
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} // namespace
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// The test checks that default formatting work
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BOOST_AUTO_TEST_CASE_TEMPLATE(default_formatting, CharT, char_types)
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{
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typedef logging::record_view record_view;
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typedef logging::attribute_set attr_set;
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typedef std::basic_string< CharT > string;
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typedef logging::basic_formatting_ostream< CharT > osstream;
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typedef logging::basic_formatter< CharT > formatter;
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typedef test_data< CharT > data;
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attrs::constant< int > attr1(10);
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attrs::constant< double > attr2(5.5);
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attrs::constant< my_class > attr3(my_class(77));
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attr_set set1;
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set1[data::attr1()] = attr1;
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set1[data::attr2()] = attr2;
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set1[data::attr3()] = attr3;
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record_view rec = make_record_view(set1);
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// Check for various modes of attribute value type specification
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{
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string str1, str2;
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osstream strm1(str1), strm2(str2);
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formatter f = expr::stream << expr::attr< int >(data::attr1()) << expr::attr< double >(data::attr2());
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f(rec, strm1);
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strm2 << 10 << 5.5;
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BOOST_CHECK(equal_strings(strm1.str(), strm2.str()));
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}
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{
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string str1, str2;
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osstream strm1(str1), strm2(str2);
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formatter f = expr::stream << expr::attr< logging::numeric_types >(data::attr1()) << expr::attr< logging::numeric_types >(data::attr2());
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f(rec, strm1);
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strm2 << 10 << 5.5;
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BOOST_CHECK(equal_strings(strm1.str(), strm2.str()));
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}
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// Check that custom types as attribute values are also supported
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{
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string str1, str2;
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osstream strm1(str1), strm2(str2);
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formatter f = expr::stream << expr::attr< my_class >(data::attr3());
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f(rec, strm1);
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strm2 << my_class(77);
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BOOST_CHECK(equal_strings(strm1.str(), strm2.str()));
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}
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// Check how missing attribute values are handled
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{
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string str1;
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osstream strm1(str1);
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formatter f = expr::stream
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<< expr::attr< int >(data::attr1())
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<< expr::attr< int >(data::attr4()).or_throw()
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<< expr::attr< double >(data::attr2());
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BOOST_CHECK_THROW(f(rec, strm1), logging::runtime_error);
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}
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{
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string str1, str2;
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osstream strm1(str1), strm2(str2);
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formatter f = expr::stream
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<< expr::attr< int >(data::attr1())
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<< expr::attr< int >(data::attr4())
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<< expr::attr< double >(data::attr2());
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f(rec, strm1);
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strm2 << 10 << 5.5;
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BOOST_CHECK(equal_strings(strm1.str(), strm2.str()));
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}
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}
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