phoenix/test/function/lazy_list_tests.cpp
2015-02-28 09:57:07 +00:00

79 lines
2.4 KiB
C++

////////////////////////////////////////////////////////////////////////////
// lazy_list_tests.cpp
//
// tests on list<T>
//
////////////////////////////////////////////////////////////////////////////
/*=============================================================================
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 phx::null;
using phx::list;
using phx::head;
using phx::tail;
using phx::cons;
using phx::cat;
using phx::take;
using phx::NIL;
list<int> l0;
list<int> l1 = cons(1,l0);
list<int> l2 = cons(2,l1);
list<int> l3 = cons(3,l2);
list<int> l4 = cons(4,l3);
list<int> l5 = cons(5,NIL);
list<int> l6 = take(2,l4)();
list<int> l7 = cons(7,take(2,l4));
list<int> l8 = take(1,take(3,l4))();
BOOST_TEST(null(l0)());
BOOST_TEST(null(arg1)(l0));
BOOST_TEST(head(l1)() == 1);
BOOST_TEST(head(arg1)(l1) == 1);
BOOST_TEST(head(tail(l2))() == 1);
BOOST_TEST(head(tail(arg1))(l2) == 1);
BOOST_TEST(head(tail(tail(l3)))() == 1);
BOOST_TEST(head(tail(tail(arg1)))(l3) == 1);
BOOST_TEST(head(tail(tail(l4)))() == 2);
BOOST_TEST(head(tail(tail(arg1)))(l4) == 2);
BOOST_TEST(head(l5)() == 5);
BOOST_TEST(head(arg1)(l5) == 5);
BOOST_TEST(head(tail(l6))() == 3);
BOOST_TEST(head(tail(arg1))(l6) == 3);
BOOST_TEST(head(tail(l7))() == 4);
BOOST_TEST(head(tail(arg1))(l7) == 4);
BOOST_TEST(head(l8)() == 4);
BOOST_TEST(head(arg1)(l8) == 4);
list<int> l9 = cat(l8,take(2,l4));
list<int> l10 = cat(l8,NIL);
list<int> l11 = cat(l0,l7);
list<int> l12 = cat(l10,l8);
BOOST_TEST(head(tail(l9))() == 4);
BOOST_TEST(head(l10)() == 4);
BOOST_TEST(head(arg1)(l11) == 7);
BOOST_TEST(head(l12)() == 4);
return boost::report_errors();
}