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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 attr_attribute_value_set.cpp
* \author Andrey Semashev
* \date 24.01.2009
*
* \brief This header contains tests for the attribute value set.
*/
#define BOOST_TEST_MODULE attr_attribute_value_set
#include <vector>
#include <string>
#include <sstream>
#include <utility>
#include <iterator>
#include <boost/config.hpp>
#include <boost/test/unit_test.hpp>
#include <boost/test/tools//floating_point_comparison.hpp>
#include <boost/log/attributes/constant.hpp>
#include <boost/log/attributes/attribute_set.hpp>
#include <boost/log/attributes/attribute_value_set.hpp>
#include <boost/log/attributes/value_visitation.hpp>
#include <boost/log/utility/type_dispatch/static_type_dispatcher.hpp>
#include "char_definitions.hpp"
namespace logging = boost::log;
namespace attrs = logging::attributes;
namespace {
//! A simple attribute value receiver functional object
template< typename T >
struct receiver
{
typedef void result_type;
receiver(T& val) : m_Val(val) {}
result_type operator() (T const& val) const
{
m_Val = val;
}
private:
T& m_Val;
};
//! The function extracts attribute value
template< typename T >
inline bool get_attr_value(logging::attribute_value const& val, T& res)
{
receiver< T > r(res);
logging::static_type_dispatcher< T > disp(r);
return val.dispatch(disp);
}
} // namespace
// The test checks construction and assignment
BOOST_AUTO_TEST_CASE(construction)
{
typedef logging::attribute_set attr_set;
typedef logging::attribute_value_set attr_values;
typedef test_data< char > data;
attrs::constant< int > attr1(10);
attrs::constant< double > attr2(5.5);
attrs::constant< std::string > attr3("Hello, world!");
attrs::constant< char > attr4('L');
{
attr_set set1, set2, set3;
set1[data::attr1()] = attr1;
set1[data::attr2()] = attr2;
set1[data::attr3()] = attr3;
attr_values view1(set1, set2, set3);
view1.freeze();
BOOST_CHECK(!view1.empty());
BOOST_CHECK_EQUAL(view1.size(), 3UL);
}
{
attr_set set1, set2, set3;
set1[data::attr1()] = attr1;
set2[data::attr2()] = attr2;
set3[data::attr3()] = attr3;
attr_values view1(set1, set2, set3);
view1.freeze();
BOOST_CHECK(!view1.empty());
BOOST_CHECK_EQUAL(view1.size(), 3UL);
attr_values view2 = view1;
BOOST_CHECK(!view2.empty());
BOOST_CHECK_EQUAL(view2.size(), 3UL);
}
// Check that the more prioritized attributes replace the less ones
{
attrs::constant< int > attr2_2(20);
attrs::constant< double > attr4_2(10.3);
attrs::constant< float > attr3_3(static_cast< float >(-7.2));
attrs::constant< unsigned int > attr4_3(5);
attr_set set1, set2, set3;
set3[data::attr1()] = attr1;
set3[data::attr2()] = attr2;
set3[data::attr3()] = attr3;
set3[data::attr4()] = attr4;
set2[data::attr2()] = attr2_2;
set2[data::attr4()] = attr4_2;
set1[data::attr3()] = attr3_3;
set1[data::attr4()] = attr4_3;
attr_values view1(set1, set2, set3);
view1.freeze();
BOOST_CHECK(!view1.empty());
BOOST_CHECK_EQUAL(view1.size(), 4UL);
int n = 0;
BOOST_CHECK(logging::visit< int >(data::attr1(), view1, receiver< int >(n)));
BOOST_CHECK_EQUAL(n, 10);
BOOST_CHECK(logging::visit< int >(data::attr2(), view1, receiver< int >(n)));
BOOST_CHECK_EQUAL(n, 20);
float f = static_cast< float >(0.0);
BOOST_CHECK(logging::visit< float >(data::attr3(), view1, receiver< float >(f)));
BOOST_CHECK_CLOSE(f, static_cast< float >(-7.2), static_cast< float >(0.001));
unsigned int m = 0;
BOOST_CHECK(logging::visit< unsigned int >(data::attr4(), view1, receiver< unsigned int >(m)));
BOOST_CHECK_EQUAL(m, 5U);
}
}
// The test checks lookup methods
BOOST_AUTO_TEST_CASE(lookup)
{
typedef logging::attribute_set attr_set;
typedef logging::attribute_value_set attr_values;
typedef test_data< char > data;
typedef std::basic_string< char > string;
attrs::constant< int > attr1(10);
attrs::constant< double > attr2(5.5);
attrs::constant< std::string > attr3("Hello, world!");
attr_set set1, set2, set3;
set1[data::attr1()] = attr1;
set1[data::attr2()] = attr2;
set1[data::attr3()] = attr3;
attr_values view1(set1, set2, set3);
view1.freeze();
// Traditional find methods
attr_values::const_iterator it = view1.find(data::attr1());
BOOST_CHECK(it != view1.end());
BOOST_CHECK(it->first == data::attr1());
int val1 = 0;
BOOST_CHECK(get_attr_value(it->second, val1));
BOOST_CHECK_EQUAL(val1, 10);
string s1 = data::attr2();
it = view1.find(s1);
BOOST_CHECK(it != view1.end());
BOOST_CHECK(it->first == data::attr2());
double val2 = 0;
BOOST_CHECK(get_attr_value(it->second, val2));
BOOST_CHECK_CLOSE(val2, 5.5, 0.001);
it = view1.find(data::attr3());
BOOST_CHECK(it != view1.end());
BOOST_CHECK(it->first == data::attr3());
std::string val3;
BOOST_CHECK(get_attr_value(it->second, val3));
BOOST_CHECK_EQUAL(val3, "Hello, world!");
// make an additional check that the result is absent if the value type does not match the requested type
BOOST_CHECK(!get_attr_value(it->second, val2));
it = view1.find(data::attr4());
BOOST_CHECK(it == view1.end());
// Subscript operator
logging::attribute_value p = view1[data::attr1()];
BOOST_CHECK_EQUAL(view1.size(), 3UL);
BOOST_CHECK(!!p);
BOOST_CHECK(get_attr_value(p, val1));
BOOST_CHECK_EQUAL(val1, 10);
p = view1[s1];
BOOST_CHECK_EQUAL(view1.size(), 3UL);
BOOST_CHECK(!!p);
BOOST_CHECK(get_attr_value(p, val2));
BOOST_CHECK_CLOSE(val2, 5.5, 0.001);
p = view1[data::attr3()];
BOOST_CHECK_EQUAL(view1.size(), 3UL);
BOOST_CHECK(!!p);
BOOST_CHECK(get_attr_value(p, val3));
BOOST_CHECK_EQUAL(val3, "Hello, world!");
p = view1[data::attr4()];
BOOST_CHECK(!p);
BOOST_CHECK_EQUAL(view1.size(), 3UL);
// Counting elements
BOOST_CHECK_EQUAL(view1.count(data::attr1()), 1UL);
BOOST_CHECK_EQUAL(view1.count(s1), 1UL);
BOOST_CHECK_EQUAL(view1.count(data::attr3()), 1UL);
BOOST_CHECK_EQUAL(view1.count(data::attr4()), 0UL);
}
// The test checks size method
BOOST_AUTO_TEST_CASE(size)
{
typedef logging::attribute_value_set attr_values;
attrs::constant< int > attr1(10);
attr_values view;
view.freeze();
unsigned int i = 0;
for (; i < 100; ++i)
{
std::ostringstream strm;
strm << "Attr" << i;
view.insert(attr_values::key_type(strm.str()), attr1.get_value());
}
BOOST_CHECK_EQUAL(view.size(), i);
}
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