108 lines
3.2 KiB
C++
108 lines
3.2 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_if.cpp
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* \author Andrey Semashev
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* \date 05.02.2009
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*
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* \brief This header contains tests for the \c if_ formatter.
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*/
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#define BOOST_TEST_MODULE form_if
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#include <string>
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#include <ostream>
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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/expressions.hpp>
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#include <boost/log/core/record.hpp>
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#include <boost/log/utility/formatting_ostream.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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// The test checks that conditional formatting work
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BOOST_AUTO_TEST_CASE_TEMPLATE(conditional_formatting, CharT, char_types)
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{
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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::record_view record_view;
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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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attr_set set1;
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set1[data::attr1()] = attr1;
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set1[data::attr2()] = attr2;
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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 <<
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expr::if_(expr::has_attr< int >(data::attr1()))
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[
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expr::stream << expr::attr< int >(data::attr1())
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];
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f(rec, strm1);
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strm2 << 10;
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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;
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osstream strm1(str1);
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formatter f = expr::stream <<
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expr::if_(expr::has_attr< int >(data::attr2()))
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[
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expr::stream << expr::attr< int >(data::attr2())
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];
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f(rec, strm1);
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BOOST_CHECK(equal_strings(strm1.str(), string()));
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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::if_(expr::has_attr< int >(data::attr1()))
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[
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expr::stream << expr::attr< int >(data::attr1())
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]
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.else_
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[
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expr::stream << expr::attr< double >(data::attr2())
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];
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f(rec, strm1);
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strm2 << 10;
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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 <<
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expr::if_(expr::has_attr< int >(data::attr2()))
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[
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expr::stream << expr::attr< int >(data::attr1())
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]
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.else_
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[
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expr::stream << expr::attr< double >(data::attr2())
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];
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f(rec, strm1);
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strm2 << 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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