phoenix/test/operator/arithmetic_tests.cpp
2015-03-17 21:28:42 +00:00

72 lines
2.3 KiB
C++

/*=============================================================================
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/core/lightweight_test.hpp>
#include <boost/phoenix/core.hpp>
#include <boost/phoenix/operator.hpp>
#include <boost/bind.hpp>
namespace phoenix = boost::phoenix;
int
main()
{
using phoenix::ref;
using phoenix::val;
{
int x = 123;
BOOST_TEST((ref(x) += 456)() == (123 + 456));
BOOST_TEST(x == 123 + 456);
BOOST_TEST((ref(x) -= 456)() == 123);
BOOST_TEST(x == 123);
BOOST_TEST((ref(x) *= 456)() == 123 * 456);
BOOST_TEST(x == 123 * 456);
BOOST_TEST((ref(x) /= 456)() == 123);
BOOST_TEST(x == 123);
int& r1 = (ref(x) += 456)(); // should be an lvalue
int& r2 = (ref(x) -= 456)(); // should be an lvalue
int& r3 = (ref(x) *= 456)(); // should be an lvalue
int& r4 = (ref(x) /= 456)(); // should be an lvalue
BOOST_TEST(r1 == 123 && r2 == 123 && r3 == 123 && r4 == 123);
BOOST_TEST((ref(x) %= 456)() == 123 % 456);
BOOST_TEST(x == 123 % 456);
}
{
BOOST_TEST((-val(123))() == -123);
BOOST_TEST((val(123) + 456)() == 123 + 456);
BOOST_TEST((val(123) - 456)() == 123 - 456);
BOOST_TEST((val(123) * 456)() == 123 * 456);
BOOST_TEST((val(123) / 456)() == 123 / 456);
BOOST_TEST((val(123) % 456)() == 123 % 456);
BOOST_TEST((123 + val(456))() == 123 + 456);
BOOST_TEST((123 - val(456))() == 123 - 456);
BOOST_TEST((123 * val(456))() == 123 * 456);
BOOST_TEST((123 / val(456))() == 123 / 456);
BOOST_TEST((123 % val(456))() == 123 % 456);
}
{
// Testcase contributed from Philipp Reh, failed in Phoenix V2
using boost::phoenix::arg_names::arg1;
using boost::phoenix::arg_names::arg2;
int x[2];
BOOST_TEST((&arg1 - &arg2)(x[0], x[1]) == &x[0] - &x[1]);
BOOST_TEST((arg1 - arg2)(&x[0], &x[1]) == &x[0] - &x[1]);
}
return boost::report_errors();
}