1/*=============================================================================
2 Copyright (c) 2001-2007 Joel de Guzman
3 Copyright (c) 2015 John Fletcher
4
5 Distributed under the Boost Software License, Version 1.0. (See accompanying
6 file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
7==============================================================================*/
8#include <boost/core/lightweight_test.hpp>
9
10#include <boost/phoenix/core.hpp>
11#include <boost/phoenix/operator.hpp>
12
13#include <boost/bind.hpp>
14
15namespace phoenix = boost::phoenix;
16
17int
18main()
19{
20 using phoenix::ref;
21 using phoenix::val;
22
23 {
24 int x = 123;
25
26 BOOST_TEST((ref(x) += 456)() == (123 + 456));
27 BOOST_TEST(x == 123 + 456);
28 BOOST_TEST((ref(x) -= 456)() == 123);
29 BOOST_TEST(x == 123);
30 BOOST_TEST((ref(x) *= 456)() == 123 * 456);
31 BOOST_TEST(x == 123 * 456);
32 BOOST_TEST((ref(x) /= 456)() == 123);
33 BOOST_TEST(x == 123);
34
35 int& r1 = (ref(t&: x) += 456)(); // should be an lvalue
36 int& r2 = (ref(t&: x) -= 456)(); // should be an lvalue
37 int& r3 = (ref(t&: x) *= 456)(); // should be an lvalue
38 int& r4 = (ref(t&: x) /= 456)(); // should be an lvalue
39 BOOST_TEST(r1 == 123 && r2 == 123 && r3 == 123 && r4 == 123);
40
41 BOOST_TEST((ref(x) %= 456)() == 123 % 456);
42 BOOST_TEST(x == 123 % 456);
43 }
44
45 {
46 BOOST_TEST((-val(123))() == -123);
47 BOOST_TEST((val(123) + 456)() == 123 + 456);
48 BOOST_TEST((val(123) - 456)() == 123 - 456);
49 BOOST_TEST((val(123) * 456)() == 123 * 456);
50 BOOST_TEST((val(123) / 456)() == 123 / 456);
51 BOOST_TEST((val(123) % 456)() == 123 % 456);
52
53 BOOST_TEST((123 + val(456))() == 123 + 456);
54 BOOST_TEST((123 - val(456))() == 123 - 456);
55 BOOST_TEST((123 * val(456))() == 123 * 456);
56 BOOST_TEST((123 / val(456))() == 123 / 456);
57 BOOST_TEST((123 % val(456))() == 123 % 456);
58 }
59 {
60 // Testcase contributed from Philipp Reh, failed in Phoenix V2
61 using boost::phoenix::arg_names::arg1;
62 using boost::phoenix::arg_names::arg2;
63
64 int x[2];
65
66 BOOST_TEST((&arg1 - &arg2)(x[0], x[1]) == &x[0] - &x[1]);
67 BOOST_TEST((arg1 - arg2)(&x[0], &x[1]) == &x[0] - &x[1]);
68 }
69
70 return boost::report_errors();
71}
72

source code of boost/libs/phoenix/test/operator/arithmetic_tests.cpp