forked from boostorg/algorithm
88 lines
2.7 KiB
C++
88 lines
2.7 KiB
C++
/*
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Copyright (c) Marshall Clow 2011-2012.
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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For more information, see http://www.boost.org
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*/
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#include <iostream>
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#include <boost/config.hpp>
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#include <boost/algorithm/cxx11/partition_copy.hpp>
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#include <boost/test/included/test_exec_monitor.hpp>
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#include <boost/algorithm/cxx11/all_of.hpp>
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#include <boost/algorithm/cxx11/none_of.hpp>
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#include <string>
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#include <vector>
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#include <list>
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namespace ba = boost::algorithm;
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// namespace ba = boost;
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template <typename Container, typename Predicate>
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void test_sequence ( const Container &c, Predicate comp ) {
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std::vector<typename Container::value_type> v1, v2;
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v1.clear (); v2.clear ();
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ba::partition_copy ( c.begin (), c.end (),
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std::back_inserter (v1), std::back_inserter (v2), comp );
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// std::cout << "Sizes(1): " << c.size () << " -> { " << v1.size () << ", " << v2.size () << " }" << std::endl;
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BOOST_CHECK ( v1.size () + v2.size () == c.size ());
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BOOST_CHECK ( ba::all_of ( v1.begin (), v1.end (), comp ));
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BOOST_CHECK ( ba::none_of ( v2.begin (), v2.end (), comp ));
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v1.clear (); v2.clear ();
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ba::partition_copy ( c, std::back_inserter (v1), std::back_inserter ( v2 ), comp );
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// std::cout << "Sizes(2): " << c.size () << " -> { " << v1.size () << ", " << v2.size () << " }" << std::endl;
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BOOST_CHECK ( v1.size () + v2.size () == c.size ());
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BOOST_CHECK ( ba::all_of ( v1, comp ));
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BOOST_CHECK ( ba::none_of ( v2, comp ));
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}
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template <typename T>
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struct less_than {
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public:
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less_than ( T foo ) : val ( foo ) {}
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less_than ( const less_than &rhs ) : val ( rhs.val ) {}
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bool operator () ( const T &v ) const { return v < val; }
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private:
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less_than ();
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less_than operator = ( const less_than &rhs );
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T val;
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};
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bool is_even ( int v ) { return v % 2 == 0; }
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void test_sequence1 () {
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std::vector<int> v;
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v.clear ();
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for ( int i = 5; i < 15; ++i )
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v.push_back ( i );
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test_sequence ( v, less_than<int>(3)); // no elements
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test_sequence ( v, less_than<int>(6)); // only the first element
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test_sequence ( v, less_than<int>(10));
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test_sequence ( v, less_than<int>(99)); // all elements satisfy
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// With bidirectional iterators.
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std::list<int> l;
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for ( int i = 5; i < 16; ++i )
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l.push_back ( i );
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test_sequence ( l, less_than<int>(3)); // no elements
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test_sequence ( l, less_than<int>(6)); // only the first element
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test_sequence ( l, less_than<int>(10));
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test_sequence ( l, less_than<int>(99)); // all elements satisfy
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}
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int test_main( int , char* [] )
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{
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test_sequence1 ();
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return 0;
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}
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