phoenix/test/core/primitives_tests.cpp
Thomas Heller a3e1c883b1 [phoenix]
- merged V3 into trunk.
- some minor fixes regarding result type calculation




[SVN r69826]
2011-03-10 21:01:28 +00:00

86 lines
2.3 KiB
C++

/*=============================================================================
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 <iostream>
#include <string>
#include <boost/phoenix/core/argument.hpp>
#include <boost/phoenix/core/reference.hpp>
#include <boost/phoenix/core/value.hpp>
#include <boost/detail/lightweight_test.hpp>
using boost::phoenix::cref;
using boost::phoenix::ref;
using boost::phoenix::val;
int
main()
{
#ifndef BOOST_PHOENIX_NO_PREDEFINED_TERMINALS
using boost::phoenix::arg_names::_1;
using boost::phoenix::arg_names::arg1;
using boost::phoenix::arg_names::arg2;
#else
boost::phoenix::arg_names::_1_type _1;
boost::phoenix::arg_names::arg1_type arg1;
boost::phoenix::arg_names::arg2_type arg2;
#endif
char c1 = '1';
int i1 = 1, i2 = 2, i = 4;
const char* s2 = "2";
///////////////////////////////////////////////////////////////////////////
//
// Values, references and arguments
//
///////////////////////////////////////////////////////////////////////////
// argument
BOOST_TEST(arg1(c1) == c1);
BOOST_TEST(arg1(i1, i2) == i1);
BOOST_TEST(arg2(i1, s2) == s2);
BOOST_TEST(&(arg1(c1)) == &c1); // must be an lvalue
// value
val(' ')();
val(" ")();
std::cout << val("Hello,")() << val(' ')() << val("World")() << std::endl;
BOOST_TEST(val(3)() == 3);
BOOST_TEST(val("Hello, world")() == std::string("Hello, world"));
BOOST_TEST(val(_1)(i1) == i1);
// should not compile:
#ifdef PHOENIX_SHOULD_NOT_COMPILE_TEST
&val(_1)(i1); // should return an rvalue
#endif
// reference
BOOST_TEST(cref(i)() == ref(i)());
BOOST_TEST(cref(i)() == 4);
BOOST_TEST(i == 4);
BOOST_TEST(ref(++i)() == 5);
BOOST_TEST(i == 5);
// should not compile:
#ifdef PHOENIX_SHOULD_NOT_COMPILE_TEST
ref(arg1);
#endif
// testing consts
int const ic = 123;
BOOST_TEST(arg1(ic) == 123);
// should not compile:
#ifdef PHOENIX_SHOULD_NOT_COMPILE_TEST
arg1();
#endif
return boost::report_errors();
}