1 /*=============================================================================
2     Copyright (c) 2001-2007 Joel de Guzman
3 
4     Distributed under the Boost Software License, Version 1.0. (See accompanying
5     file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
6 ==============================================================================*/
7 #include <boost/detail/lightweight_test.hpp>
8 #include <boost/phoenix/core.hpp>
9 #include <boost/phoenix/operator.hpp>
10 
11 namespace phoenix = boost::phoenix;
12 
13 int
main()14 main()
15 {
16     using phoenix::val;
17     using phoenix::ref;
18     using phoenix::arg_names::arg1;
19     {
20         BOOST_TEST((-val(123))() == -123);
21         BOOST_TEST((- -val(123))() == 123);
22         BOOST_TEST((+val(123))() == 123);
23     }
24 
25     {
26         int x = 123;
27 
28         BOOST_TEST((++ref(x))() == 124);
29         BOOST_TEST(x == 124);
30         BOOST_TEST((--ref(x))() == 123);
31         BOOST_TEST(x == 123);
32 
33         BOOST_TEST((ref(x)++)() == 123);
34         BOOST_TEST(x == 124);
35         BOOST_TEST((ref(x)--)() == 124);
36         BOOST_TEST(x == 123);
37 
38         int& r1 = (++ref(x))(); // should be an lvalue
39         int& r2 = (--ref(x))(); // should be an lvalue
40         BOOST_TEST(r1 == 123 && r2 == 123);
41     }
42 
43     {   // From Phoenix 1.1 unary tests
44 
45         int i1 = 1, i = 5;
46 
47         BOOST_TEST((!val(true))() == false);
48         BOOST_TEST((-val(1))() == -1);
49         BOOST_TEST((+val(1))() == +1);
50         BOOST_TEST((~val(1))() == ~1);
51         BOOST_TEST(*(&arg1)(i1) == *(&i1));
52         BOOST_TEST((&arg1)(i1) == &i1);
53 
54         BOOST_TEST((*val(&i1))() == *(&i1));
55         BOOST_TEST((*&arg1)(i1) == *(&i1));
56         BOOST_TEST((++ref(i))() == 6);
57         BOOST_TEST((--ref(i))() == 5);
58         BOOST_TEST((ref(i)++)() == 5);
59         BOOST_TEST(i == 6);
60         BOOST_TEST((ref(i)--)() == 6);
61         BOOST_TEST(i == 5);
62     }
63 
64     return boost::report_errors();
65 }
66