third_party/boost/algorithm/test/is_partitioned_until_test.cpp

/*
   Copyright (c) Marshall Clow 2011-2012, Alexander Zaitsev <zamazan4ik@gmail.com>, 2017.

   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)

    For more information, see http://www.boost.org
*/

#include <iostream>

#include <boost/config.hpp>
#include <boost/algorithm/is_partitioned_until.hpp>

#define BOOST_TEST_MAIN
#include <boost/test/unit_test.hpp>

#include <string>
#include <vector>
#include <list>

namespace ba = boost::algorithm;
// namespace ba = boost;

template <typename T>
struct less_than {
public:
    less_than ( T foo ) : val ( foo ) {}
    less_than ( const less_than &rhs ) : val ( rhs.val ) {}

    bool operator () ( const T &v ) const { return v < val; }
private:
    less_than ();
    less_than operator = ( const less_than &rhs );
    T val;
};


void test_sequence1 () {
    std::vector<int> v;

    v.clear ();
    for ( int i = 5; i < 15; ++i )
        v.push_back ( i );
    BOOST_CHECK ( ba::is_partitioned_until ( v, less_than<int>(3)) == v.end());      // no elements
    BOOST_CHECK ( ba::is_partitioned_until ( v, less_than<int>(6)) == v.end());      // only the first element
    BOOST_CHECK ( ba::is_partitioned_until ( v, less_than<int>(10)) == v.end()); // in the middle somewhere
    BOOST_CHECK ( ba::is_partitioned_until ( v, less_than<int>(99)) == v.end()); // all elements satisfy
//  With bidirectional iterators.
    std::list<int> l;
    for ( int i = 5; i < 15; ++i )
        l.push_back ( i );
    BOOST_CHECK ( ba::is_partitioned_until ( l.begin (), l.end (), less_than<int>(3)) == l.end());       // no elements
    BOOST_CHECK ( ba::is_partitioned_until ( l.begin (), l.end (), less_than<int>(6)) == l.end());       // only the first element
    BOOST_CHECK ( ba::is_partitioned_until ( l.begin (), l.end (), less_than<int>(10)) == l.end());  // in the middle somewhere
    BOOST_CHECK ( ba::is_partitioned_until ( l.begin (), l.end (), less_than<int>(99)) == l.end());      // all elements satisfy
}


BOOST_AUTO_TEST_CASE( test_main )
{
    test_sequence1 ();
}