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68 lines
2.0 KiB
C++
68 lines
2.0 KiB
C++
// Boost.Range library
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//
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// Copyright Neil Groves 2010. 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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// http://www.boost.org/LICENSE_1_0.txt)
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//
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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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// This test was added due to a report that the Range Adaptors:
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// 1. Caused havoc when using namespace boost::adaptors was used
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// 2. Did not work with non-member functions
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// 3. The strided adaptor could not be composed with sliced
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//
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// None of these issues could be reproduced on GCC 4.4, but this
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// work makes for useful additional test coverage since this
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// uses chaining of adaptors and non-member functions whereas
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// most of the tests avoid this use case.
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#include <boost/range/adaptor/strided.hpp>
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#include <boost/range/adaptor/sliced.hpp>
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#include <boost/range/adaptor/transformed.hpp>
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#include <boost/range/irange.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/assign.hpp>
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#include <boost/range/algorithm_ext.hpp>
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#include <algorithm>
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#include <vector>
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namespace boost
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{
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namespace
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{
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int times_two(int x) { return x * 2; }
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void strided_test2()
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{
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using namespace boost::adaptors;
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using namespace boost::assign;
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std::vector<int> v;
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boost::push_back(v, boost::irange(0,10));
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std::vector<int> z;
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boost::push_back(z, v | sliced(2,6) | strided(2) | transformed(×_two));
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std::vector<int> reference;
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reference += 4,8;
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BOOST_CHECK_EQUAL_COLLECTIONS( reference.begin(), reference.end(),
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z.begin(), z.end() );
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}
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}
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}
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boost::unit_test::test_suite*
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init_unit_test_suite(int argc, char* argv[])
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{
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boost::unit_test::test_suite* test
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= BOOST_TEST_SUITE( "RangeTestSuite.adaptor.strided2" );
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test->add( BOOST_TEST_CASE( &boost::strided_test2 ) );
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return test;
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}
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