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63 lines
1.8 KiB
C++
63 lines
1.8 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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#include <boost/range/algorithm_ext/is_sorted.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/range/iterator.hpp>
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#include <algorithm>
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#include <list>
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#include <vector>
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namespace
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{
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template< class Container >
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void test_is_sorted_impl()
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{
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Container ascending;
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Container descending;
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// Empty ranges are regarded as sorted against any predicate.
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BOOST_CHECK( boost::is_sorted(ascending) );
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BOOST_CHECK( boost::is_sorted(ascending, std::less<std::size_t>()) );
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BOOST_CHECK( boost::is_sorted(ascending, std::greater<std::size_t>()) );
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for (std::size_t i = 0; i < 10; ++i)
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{
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ascending.push_back(i);
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descending.push_back(9 - i);
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}
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BOOST_CHECK( boost::is_sorted(ascending) );
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BOOST_CHECK( !boost::is_sorted(descending) );
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BOOST_CHECK( !boost::is_sorted(ascending, std::greater<std::size_t>()) );
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BOOST_CHECK( boost::is_sorted(descending, std::greater<std::size_t>()) );
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}
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void test_is_sorted()
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{
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test_is_sorted_impl< std::vector<std::size_t> >();
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test_is_sorted_impl< std::list<std::size_t> >();
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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.algorithm_ext.is_sorted" );
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test->add( BOOST_TEST_CASE( &test_is_sorted ) );
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return test;
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}
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