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/*
* 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.)
*
* See http://www.boost.org/libs/iostreams for documentation.
*
* Verifies that the close() member functions of filters and devices
* are called with the correct arguments in the correct order when
* they are combined using combine().
*
* File: libs/iostreams/test/combine_test.cpp
* Date: Sun Jan 06 01:37:37 MST 2008
* Copyright: 2007-2008 CodeRage, LLC
* Author: Jonathan Turkanis
* Contact: turkanis at coderage dot com
*/
#include <boost/iostreams/chain.hpp>
#include <boost/iostreams/combine.hpp>
#include <boost/test/test_tools.hpp>
#include <boost/test/unit_test.hpp>
#include "detail/closable.hpp"
#include "detail/operation_sequence.hpp"
using namespace boost::iostreams;
using namespace boost::iostreams::test;
using boost::unit_test::test_suite;
namespace io = boost::iostreams;
void combine_test()
{
// Combine a source and a sink
{
operation_sequence seq;
chain<bidirectional> ch;
ch.push(
io::combine(
closable_device<input>(seq.new_operation(1)),
closable_device<output>(seq.new_operation(2))
)
);
BOOST_CHECK_NO_THROW(ch.reset());
BOOST_CHECK_OPERATION_SEQUENCE(seq);
}
// Combine two bidirectional devices
{
operation_sequence seq;
chain<bidirectional> ch;
ch.push(
io::combine(
closable_device<bidirectional>(
seq.new_operation(1),
seq.new_operation(2)
),
closable_device<bidirectional>(
seq.new_operation(3),
seq.new_operation(4)
)
)
);
BOOST_CHECK_NO_THROW(ch.reset());
BOOST_CHECK_OPERATION_SEQUENCE(seq);
}
// Combine two seekable devices
{
operation_sequence seq;
chain<bidirectional> ch;
ch.push(
io::combine(
closable_device<seekable>(seq.new_operation(1)),
closable_device<seekable>(seq.new_operation(2))
)
);
BOOST_CHECK_NO_THROW(ch.reset());
BOOST_CHECK_OPERATION_SEQUENCE(seq);
}
// Combine an input filter and an output filter
{
operation_sequence seq;
chain<bidirectional> ch;
ch.push(
io::combine(
closable_filter<input>(seq.new_operation(2)),
closable_filter<output>(seq.new_operation(3))
)
);
ch.push(
closable_device<bidirectional>(
seq.new_operation(1),
seq.new_operation(4)
)
);
BOOST_CHECK_NO_THROW(ch.reset());
BOOST_CHECK_OPERATION_SEQUENCE(seq);
}
// Combine two bidirectional filters
{
operation_sequence seq;
chain<bidirectional> ch;
ch.push(
io::combine(
closable_filter<bidirectional>(
seq.new_operation(2),
seq.new_operation(3)
),
closable_filter<bidirectional>(
seq.new_operation(4),
seq.new_operation(5)
)
)
);
ch.push(
closable_device<bidirectional>(
seq.new_operation(1),
seq.new_operation(6)
)
);
BOOST_CHECK_NO_THROW(ch.reset());
BOOST_CHECK_OPERATION_SEQUENCE(seq);
}
// Combine two seekable filters
{
operation_sequence seq;
chain<bidirectional> ch;
ch.push(
io::combine(
closable_filter<seekable>(seq.new_operation(2)),
closable_filter<seekable>(seq.new_operation(3))
)
);
ch.push(
closable_device<bidirectional>(
seq.new_operation(1),
seq.new_operation(4)
)
);
BOOST_CHECK_NO_THROW(ch.reset());
BOOST_CHECK_OPERATION_SEQUENCE(seq);
}
// Combine a dual-use filter and an input filter
{
operation_sequence seq;
chain<bidirectional> ch;
operation dummy;
ch.push(
io::combine(
closable_filter<input>(seq.new_operation(2)),
closable_filter<dual_use>(
dummy,
seq.new_operation(3)
)
)
);
ch.push(
closable_device<bidirectional>(
seq.new_operation(1),
seq.new_operation(4)
)
);
BOOST_CHECK_NO_THROW(ch.reset());
BOOST_CHECK_OPERATION_SEQUENCE(seq);
}
// Combine a dual-use filter and an output filter
{
operation_sequence seq;
chain<bidirectional> ch;
operation dummy;
ch.push(
io::combine(
closable_filter<dual_use>(
seq.new_operation(2),
dummy
),
closable_filter<output>(seq.new_operation(3))
)
);
ch.push(
closable_device<bidirectional>(
seq.new_operation(1),
seq.new_operation(4)
)
);
BOOST_CHECK_NO_THROW(ch.reset());
BOOST_CHECK_OPERATION_SEQUENCE(seq);
}
// Combine two dual-use filters
{
operation_sequence seq;
chain<bidirectional> ch;
operation dummy;
ch.push(
io::combine(
closable_filter<dual_use>(
seq.new_operation(2),
dummy
),
closable_filter<dual_use>(
dummy,
seq.new_operation(3)
)
)
);
ch.push(
closable_device<bidirectional>(
seq.new_operation(1),
seq.new_operation(4)
)
);
BOOST_CHECK_NO_THROW(ch.reset());
BOOST_CHECK_OPERATION_SEQUENCE(seq);
}
}
test_suite* init_unit_test_suite(int, char* [])
{
test_suite* test = BOOST_TEST_SUITE("combine test");
test->add(BOOST_TEST_CASE(&combine_test));
return test;
}
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