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- /*
- * Copyright Andrey Semashev 2007 - 2015.
- * 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)
- */
- /*!
- * \file form_if.cpp
- * \author Andrey Semashev
- * \date 05.02.2009
- *
- * \brief This header contains tests for the \c if_ formatter.
- */
- #define BOOST_TEST_MODULE form_if
- #include <string>
- #include <ostream>
- #include <boost/test/unit_test.hpp>
- #include <boost/log/attributes/constant.hpp>
- #include <boost/log/attributes/attribute_set.hpp>
- #include <boost/log/expressions.hpp>
- #include <boost/log/core/record.hpp>
- #include <boost/log/utility/formatting_ostream.hpp>
- #include "char_definitions.hpp"
- #include "make_record.hpp"
- namespace logging = boost::log;
- namespace attrs = logging::attributes;
- namespace expr = logging::expressions;
- // The test checks that conditional formatting work
- BOOST_AUTO_TEST_CASE_TEMPLATE(conditional_formatting, CharT, char_types)
- {
- typedef logging::attribute_set attr_set;
- typedef std::basic_string< CharT > string;
- typedef logging::basic_formatting_ostream< CharT > osstream;
- typedef logging::record_view record_view;
- typedef logging::basic_formatter< CharT > formatter;
- typedef test_data< CharT > data;
- attrs::constant< int > attr1(10);
- attrs::constant< double > attr2(5.5);
- attr_set set1;
- set1[data::attr1()] = attr1;
- set1[data::attr2()] = attr2;
- record_view rec = make_record_view(set1);
- // Check for various modes of attribute value type specification
- {
- string str1, str2;
- osstream strm1(str1), strm2(str2);
- formatter f = expr::stream <<
- expr::if_(expr::has_attr< int >(data::attr1()))
- [
- expr::stream << expr::attr< int >(data::attr1())
- ];
- f(rec, strm1);
- strm2 << 10;
- BOOST_CHECK(equal_strings(strm1.str(), strm2.str()));
- }
- {
- string str1;
- osstream strm1(str1);
- formatter f = expr::stream <<
- expr::if_(expr::has_attr< int >(data::attr2()))
- [
- expr::stream << expr::attr< int >(data::attr2())
- ];
- f(rec, strm1);
- BOOST_CHECK(equal_strings(strm1.str(), string()));
- }
- {
- string str1, str2;
- osstream strm1(str1), strm2(str2);
- formatter f = expr::stream <<
- expr::if_(expr::has_attr< int >(data::attr1()))
- [
- expr::stream << expr::attr< int >(data::attr1())
- ]
- .else_
- [
- expr::stream << expr::attr< double >(data::attr2())
- ];
- f(rec, strm1);
- strm2 << 10;
- BOOST_CHECK(equal_strings(strm1.str(), strm2.str()));
- }
- {
- string str1, str2;
- osstream strm1(str1), strm2(str2);
- formatter f = expr::stream <<
- expr::if_(expr::has_attr< int >(data::attr2()))
- [
- expr::stream << expr::attr< int >(data::attr1())
- ]
- .else_
- [
- expr::stream << expr::attr< double >(data::attr2())
- ];
- f(rec, strm1);
- strm2 << 5.5;
- BOOST_CHECK(equal_strings(strm1.str(), strm2.str()));
- }
- }
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