forked from boostorg/range
ticket 8028 - combine reimplemented and now documented.
This commit is contained in:
Neil Groves
151
test/combine.cpp
151
test/combine.cpp
@ -1,5 +1,7 @@
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// Boost.Range library
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//
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// Copyright Neil Groves 2014
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//
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// Copyright Thorsten Ottosen 2006. Use, modification and
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// distribution is subject to the Boost Software License, Version
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// 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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@ -7,65 +9,152 @@
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//
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// For more information, see http://www.boost.org/libs/range/
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//
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#include <boost/range/combine.hpp>
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#include <boost/range/algorithm_ext/push_back.hpp>
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#include <boost/test/test_tools.hpp>
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#include <boost/test/unit_test.hpp>
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#include <boost/tuple/tuple.hpp>
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#include <boost/foreach.hpp>
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#include <vector>
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struct add
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namespace boost_range_test
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{
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template< class T >
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int operator()( const T& tuple ) const
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namespace
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{
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return boost::get<0>(tuple) + boost::get<1>(tuple);
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}
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};
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template< class CombinedRng >
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void apply( const CombinedRng& r )
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template<typename ContRef1, typename ContRef2>
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void test_combine2()
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{
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std::vector<int> v;
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typedef BOOST_DEDUCED_TYPENAME boost::range_iterator<const CombinedRng>::type iterator_t;
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std::list<int> l;
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iterator_t e = boost::end(r);
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for (iterator_t i = boost::begin(r); i != e; ++i)
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for (int i = 0; i < 10; ++i)
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{
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v.push_back(i);
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l.push_back(i * 2);
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}
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ContRef1& in1 = v;
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ContRef2& in2 = l;
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std::vector<boost::tuple<int,int> > output;
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boost::push_back(output, boost::combine(in1, in2));
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int index = 0;
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int i1, i2;
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BOOST_FOREACH(boost::tie(i1,i2), output)
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{
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BOOST_CHECK_EQUAL(i1, index);
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BOOST_CHECK_EQUAL(i2, index * 2);
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++index;
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}
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}
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void test_combine()
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template<typename ContRef1, typename ContRef2, typename ContRef3>
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void test_combine3()
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{
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std::vector<int> v1, v2, v3;
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for (int i = 1; i <= 4; ++i)
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std::vector<int> v1;
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std::vector<int> v2;
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std::vector<int> v3;
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for (int i = 0; i < 10; ++i)
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{
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v1.push_back(i);
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v2.push_back(i);
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v2.push_back(i * 2);
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v3.push_back(i * 3);
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}
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int i1, i2;
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BOOST_FOREACH( boost::tie( i1, i2 ), boost::combine(v1,v2) )
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ContRef1& in1 = v1;
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ContRef2& in2 = v2;
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ContRef3& in3 = v3;
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std::vector<boost::tuple<int,int,int> > output;
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boost::push_back(output, boost::combine(in1, in2, in3));
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int index = 0;
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int i1, i2, i3;
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BOOST_FOREACH(boost::tie(i1,i2,i3), output)
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{
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v3.push_back( i1 + i2 );
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BOOST_CHECK_EQUAL(i1, index);
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BOOST_CHECK_EQUAL(i2, index * 2);
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BOOST_CHECK_EQUAL(i3, index * 3);
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++index;
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}
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BOOST_CHECK_EQUAL( v3.size(), v1.size() );
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}
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} // anonymous namespace
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} // namespace boost_range_test
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using boost::unit_test::test_suite;
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test_suite* init_unit_test_suite( int argc, char* argv[] )
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boost::unit_test::test_suite* init_unit_test_suite(int, char*[] )
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{
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test_suite* test = BOOST_TEST_SUITE( "Range Test Suite" );
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boost::unit_test::test_suite* test =
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BOOST_TEST_SUITE( "Boost.Range combine() test suite" );
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test->add( BOOST_TEST_CASE( &test_combine ) );
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test->add(BOOST_TEST_CASE((
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&boost_range_test::test_combine2<
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const std::vector<int>, const std::list<int> >)));
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test->add(BOOST_TEST_CASE((
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&boost_range_test::test_combine2<
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const std::vector<int>, std::list<int> >)));
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test->add(BOOST_TEST_CASE((
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&boost_range_test::test_combine2<
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std::vector<int>, const std::list<int> >)));
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test->add(BOOST_TEST_CASE((
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&boost_range_test::test_combine2<
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std::vector<int>, std::list<int> >)));
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test->add(BOOST_TEST_CASE((
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&boost_range_test::test_combine3<
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std::vector<int>,
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std::vector<int>,
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std::vector<int> >)));
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test->add(BOOST_TEST_CASE((
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&boost_range_test::test_combine3<
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std::vector<int>,
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std::vector<int>,
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const std::vector<int> >)));
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test->add(BOOST_TEST_CASE((
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&boost_range_test::test_combine3<
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std::vector<int>,
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const std::vector<int>,
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std::vector<int> >)));
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test->add(BOOST_TEST_CASE((
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&boost_range_test::test_combine3<
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std::vector<int>,
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const std::vector<int>,
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const std::vector<int> >)));
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test->add(BOOST_TEST_CASE((
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&boost_range_test::test_combine3<
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const std::vector<int>,
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std::vector<int>,
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std::vector<int> >)));
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test->add(BOOST_TEST_CASE((
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&boost_range_test::test_combine3<
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const std::vector<int>,
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std::vector<int>,
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const std::vector<int> >)));
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test->add(BOOST_TEST_CASE((
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&boost_range_test::test_combine3<
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const std::vector<int>,
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const std::vector<int>,
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std::vector<int> >)));
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test->add(BOOST_TEST_CASE((
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&boost_range_test::test_combine3<
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const std::vector<int>,
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const std::vector<int>,
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const std::vector<int> >)));
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return test;
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}
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