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////////////////////////////////////////////////////////////////////////////
// lazy_scan_tests.cpp
//
// tests on scanl scanr map zip and zip_with
//
////////////////////////////////////////////////////////////////////////////
/*=============================================================================
Copyright (c) 2000-2003 Brian McNamara and Yannis Smaragdakis
Copyright (c) 2001-2007 Joel de Guzman
Copyright (c) 2015 John Fletcher
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)
==============================================================================*/
#include <boost/phoenix/core/limits.hpp>
#include <boost/detail/lightweight_test.hpp>
#include <boost/phoenix/core.hpp>
#include <boost/phoenix/function/lazy_prelude.hpp>
int main()
{
namespace phx = boost::phoenix;
using boost::phoenix::arg_names::arg1;
using boost::phoenix::arg_names::arg2;
using boost::phoenix::arg_names::arg3;
using namespace phx;
list<int> l = enum_from(2);
list<int> evens = filter(even,l);
list<int> odds = filter(odd,l);
list<int> even4 = take(4,evens)();
list<int> odd4 = take(4,odds)();
BOOST_TEST(head(scanr(plus,0,even4))() == 20);
BOOST_TEST(last(scanl(plus,0,even4))() == 20);
BOOST_TEST(head(scanr1(plus,even4))() == 20);
BOOST_TEST(last(scanl1(plus,even4))() == 20);
list<int> map_result = map(inc,even4)();
list<int> zip_with_result = zip_with(plus,even4,odd4)();
BOOST_TEST(foldl1(plus,map_result)() == 24);
BOOST_TEST(last(zip_with_result)() == 17);
typedef std::pair<int,int> pair_ii;
list<pair_ii> zip_result1 = zip_with(make_pair,even4,odd4)();
list<pair_ii> zip_result2 = zip(even4,odd4)();
BOOST_TEST(head(zip_result1)().first == 2);
BOOST_TEST(last(zip_result2)().second == 9);
return boost::report_errors();
}
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