/*============================================================================= Copyright (c) 2001-2007 Joel de Guzman 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 #include #include namespace phoenix = boost::phoenix; int main() { using phoenix::val; using phoenix::ref; using phoenix::arg_names::arg1; { BOOST_TEST((-val(123))() == -123); BOOST_TEST((- -val(123))() == 123); BOOST_TEST((+val(123))() == 123); } { int x = 123; BOOST_TEST((++ref(x))() == 124); BOOST_TEST(x == 124); BOOST_TEST((--ref(x))() == 123); BOOST_TEST(x == 123); BOOST_TEST((ref(x)++)() == 123); BOOST_TEST(x == 124); BOOST_TEST((ref(x)--)() == 124); BOOST_TEST(x == 123); int& r1 = (++ref(x))(); // should be an lvalue int& r2 = (--ref(x))(); // should be an lvalue BOOST_TEST(r1 == 123 && r2 == 123); } { // From Phoenix 1.1 unary tests int i1 = 1, i = 5; BOOST_TEST((!val(true))() == false); BOOST_TEST((-val(1))() == -1); BOOST_TEST((+val(1))() == +1); BOOST_TEST((~val(1))() == ~1); BOOST_TEST(*(&arg1)(i1) == *(&i1)); BOOST_TEST((&arg1)(i1) == &i1); BOOST_TEST((*val(&i1))() == *(&i1)); BOOST_TEST((*&arg1)(i1) == *(&i1)); BOOST_TEST((++ref(i))() == 6); BOOST_TEST((--ref(i))() == 5); BOOST_TEST((ref(i)++)() == 5); BOOST_TEST(i == 6); BOOST_TEST((ref(i)--)() == 6); BOOST_TEST(i == 5); } return boost::report_errors(); }