1/*=============================================================================
2 Copyright (c) 2017 Paul Fultz II
3 protect.cpp
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/hof/protect.hpp>
8#include <boost/hof/lazy.hpp>
9#include <boost/hof/placeholders.hpp>
10#include <memory>
11#include "test.hpp"
12
13#include <boost/hof/function.hpp>
14
15int f(int x)
16{
17 return x;
18}
19
20int& g(int& x)
21{
22 return x;
23}
24
25template<class T>
26const T& constify(const T& arg)
27{
28 return arg;
29}
30
31BOOST_HOF_TEST_CASE()
32{
33 int i[9] = {0,1,2,3,4,5,6,7,8};
34
35 // non-const
36
37 // test nullary
38 BOOST_HOF_TEST_CHECK(boost::hof::protect(boost::hof::lazy(f)(1))() == 1);
39
40 // test lvalues
41
42 BOOST_HOF_TEST_CHECK(&boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_1))(i[0]) == &i[0]);
43
44 BOOST_HOF_TEST_CHECK(&boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_1))(i[0], i[1]) == &i[0]);
45 BOOST_HOF_TEST_CHECK(&boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_2))(i[0], i[1]) == &i[1]);
46
47 BOOST_HOF_TEST_CHECK(&boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_1))(i[0], i[1], i[2]) == &i[0]);
48 BOOST_HOF_TEST_CHECK(&boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_2))(i[0], i[1], i[2]) == &i[1]);
49 BOOST_HOF_TEST_CHECK(&boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_3))(i[0], i[1], i[2]) == &i[2]);
50
51 BOOST_HOF_TEST_CHECK(&boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_1))(i[0], i[1], i[2], i[3]) == &i[0]);
52 BOOST_HOF_TEST_CHECK(&boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_2))(i[0], i[1], i[2], i[3]) == &i[1]);
53 BOOST_HOF_TEST_CHECK(&boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_3))(i[0], i[1], i[2], i[3]) == &i[2]);
54 BOOST_HOF_TEST_CHECK(&boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_4))(i[0], i[1], i[2], i[3]) == &i[3]);
55
56 BOOST_HOF_TEST_CHECK(&boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_1))(i[0], i[1], i[2], i[3], i[4]) == &i[0]);
57 BOOST_HOF_TEST_CHECK(&boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_2))(i[0], i[1], i[2], i[3], i[4]) == &i[1]);
58 BOOST_HOF_TEST_CHECK(&boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_3))(i[0], i[1], i[2], i[3], i[4]) == &i[2]);
59 BOOST_HOF_TEST_CHECK(&boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_4))(i[0], i[1], i[2], i[3], i[4]) == &i[3]);
60 BOOST_HOF_TEST_CHECK(&boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_5))(i[0], i[1], i[2], i[3], i[4]) == &i[4]);
61
62 BOOST_HOF_TEST_CHECK(&boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_1))(i[0], i[1], i[2], i[3], i[4], i[5]) == &i[0]);
63 BOOST_HOF_TEST_CHECK(&boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_2))(i[0], i[1], i[2], i[3], i[4], i[5]) == &i[1]);
64 BOOST_HOF_TEST_CHECK(&boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_3))(i[0], i[1], i[2], i[3], i[4], i[5]) == &i[2]);
65 BOOST_HOF_TEST_CHECK(&boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_4))(i[0], i[1], i[2], i[3], i[4], i[5]) == &i[3]);
66 BOOST_HOF_TEST_CHECK(&boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_5))(i[0], i[1], i[2], i[3], i[4], i[5]) == &i[4]);
67 BOOST_HOF_TEST_CHECK(&boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_6))(i[0], i[1], i[2], i[3], i[4], i[5]) == &i[5]);
68
69 BOOST_HOF_TEST_CHECK(&boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_1))(i[0], i[1], i[2], i[3], i[4], i[5], i[6]) == &i[0]);
70 BOOST_HOF_TEST_CHECK(&boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_2))(i[0], i[1], i[2], i[3], i[4], i[5], i[6]) == &i[1]);
71 BOOST_HOF_TEST_CHECK(&boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_3))(i[0], i[1], i[2], i[3], i[4], i[5], i[6]) == &i[2]);
72 BOOST_HOF_TEST_CHECK(&boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_4))(i[0], i[1], i[2], i[3], i[4], i[5], i[6]) == &i[3]);
73 BOOST_HOF_TEST_CHECK(&boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_5))(i[0], i[1], i[2], i[3], i[4], i[5], i[6]) == &i[4]);
74 BOOST_HOF_TEST_CHECK(&boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_6))(i[0], i[1], i[2], i[3], i[4], i[5], i[6]) == &i[5]);
75 BOOST_HOF_TEST_CHECK(&boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_7))(i[0], i[1], i[2], i[3], i[4], i[5], i[6]) == &i[6]);
76
77 BOOST_HOF_TEST_CHECK(&boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_1))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7]) == &i[0]);
78 BOOST_HOF_TEST_CHECK(&boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_2))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7]) == &i[1]);
79 BOOST_HOF_TEST_CHECK(&boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_3))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7]) == &i[2]);
80 BOOST_HOF_TEST_CHECK(&boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_4))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7]) == &i[3]);
81 BOOST_HOF_TEST_CHECK(&boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_5))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7]) == &i[4]);
82 BOOST_HOF_TEST_CHECK(&boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_6))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7]) == &i[5]);
83 BOOST_HOF_TEST_CHECK(&boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_7))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7]) == &i[6]);
84 BOOST_HOF_TEST_CHECK(&boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_8))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7]) == &i[7]);
85
86 BOOST_HOF_TEST_CHECK(&boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_1))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7], i[8]) == &i[0]);
87 BOOST_HOF_TEST_CHECK(&boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_2))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7], i[8]) == &i[1]);
88 BOOST_HOF_TEST_CHECK(&boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_3))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7], i[8]) == &i[2]);
89 BOOST_HOF_TEST_CHECK(&boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_4))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7], i[8]) == &i[3]);
90 BOOST_HOF_TEST_CHECK(&boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_5))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7], i[8]) == &i[4]);
91 BOOST_HOF_TEST_CHECK(&boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_6))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7], i[8]) == &i[5]);
92 BOOST_HOF_TEST_CHECK(&boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_7))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7], i[8]) == &i[6]);
93 BOOST_HOF_TEST_CHECK(&boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_8))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7], i[8]) == &i[7]);
94 BOOST_HOF_TEST_CHECK(&boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_9))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7], i[8]) == &i[8]);
95
96 // test rvalues
97
98 BOOST_HOF_TEST_CHECK(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_1))(0) == 0);
99
100 BOOST_HOF_TEST_CHECK(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_1))(0, 1) == 0);
101 BOOST_HOF_TEST_CHECK(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_2))(0, 1) == 1);
102
103 BOOST_HOF_TEST_CHECK(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_1))(0, 1, 2) == 0);
104 BOOST_HOF_TEST_CHECK(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_2))(0, 1, 2) == 1);
105 BOOST_HOF_TEST_CHECK(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_3))(0, 1, 2) == 2);
106
107 BOOST_HOF_TEST_CHECK(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_1))(0, 1, 2, 3) == 0);
108 BOOST_HOF_TEST_CHECK(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_2))(0, 1, 2, 3) == 1);
109 BOOST_HOF_TEST_CHECK(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_3))(0, 1, 2, 3) == 2);
110 BOOST_HOF_TEST_CHECK(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_4))(0, 1, 2, 3) == 3);
111
112 BOOST_HOF_TEST_CHECK(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_1))(0, 1, 2, 3, 4) == 0);
113 BOOST_HOF_TEST_CHECK(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_2))(0, 1, 2, 3, 4) == 1);
114 BOOST_HOF_TEST_CHECK(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_3))(0, 1, 2, 3, 4) == 2);
115 BOOST_HOF_TEST_CHECK(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_4))(0, 1, 2, 3, 4) == 3);
116 BOOST_HOF_TEST_CHECK(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_5))(0, 1, 2, 3, 4) == 4);
117
118 BOOST_HOF_TEST_CHECK(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_1))(0, 1, 2, 3, 4, 5) == 0);
119 BOOST_HOF_TEST_CHECK(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_2))(0, 1, 2, 3, 4, 5) == 1);
120 BOOST_HOF_TEST_CHECK(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_3))(0, 1, 2, 3, 4, 5) == 2);
121 BOOST_HOF_TEST_CHECK(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_4))(0, 1, 2, 3, 4, 5) == 3);
122 BOOST_HOF_TEST_CHECK(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_5))(0, 1, 2, 3, 4, 5) == 4);
123 BOOST_HOF_TEST_CHECK(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_6))(0, 1, 2, 3, 4, 5) == 5);
124
125 BOOST_HOF_TEST_CHECK(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_1))(0, 1, 2, 3, 4, 5, 6) == 0);
126 BOOST_HOF_TEST_CHECK(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_2))(0, 1, 2, 3, 4, 5, 6) == 1);
127 BOOST_HOF_TEST_CHECK(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_3))(0, 1, 2, 3, 4, 5, 6) == 2);
128 BOOST_HOF_TEST_CHECK(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_4))(0, 1, 2, 3, 4, 5, 6) == 3);
129 BOOST_HOF_TEST_CHECK(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_5))(0, 1, 2, 3, 4, 5, 6) == 4);
130 BOOST_HOF_TEST_CHECK(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_6))(0, 1, 2, 3, 4, 5, 6) == 5);
131 BOOST_HOF_TEST_CHECK(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_7))(0, 1, 2, 3, 4, 5, 6) == 6);
132
133 BOOST_HOF_TEST_CHECK(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_1))(0, 1, 2, 3, 4, 5, 6, 7) == 0);
134 BOOST_HOF_TEST_CHECK(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_2))(0, 1, 2, 3, 4, 5, 6, 7) == 1);
135 BOOST_HOF_TEST_CHECK(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_3))(0, 1, 2, 3, 4, 5, 6, 7) == 2);
136 BOOST_HOF_TEST_CHECK(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_4))(0, 1, 2, 3, 4, 5, 6, 7) == 3);
137 BOOST_HOF_TEST_CHECK(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_5))(0, 1, 2, 3, 4, 5, 6, 7) == 4);
138 BOOST_HOF_TEST_CHECK(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_6))(0, 1, 2, 3, 4, 5, 6, 7) == 5);
139 BOOST_HOF_TEST_CHECK(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_7))(0, 1, 2, 3, 4, 5, 6, 7) == 6);
140 BOOST_HOF_TEST_CHECK(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_8))(0, 1, 2, 3, 4, 5, 6, 7) == 7);
141
142 BOOST_HOF_TEST_CHECK(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_1))(0, 1, 2, 3, 4, 5, 6, 7, 8) == 0);
143 BOOST_HOF_TEST_CHECK(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_2))(0, 1, 2, 3, 4, 5, 6, 7, 8) == 1);
144 BOOST_HOF_TEST_CHECK(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_3))(0, 1, 2, 3, 4, 5, 6, 7, 8) == 2);
145 BOOST_HOF_TEST_CHECK(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_4))(0, 1, 2, 3, 4, 5, 6, 7, 8) == 3);
146 BOOST_HOF_TEST_CHECK(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_5))(0, 1, 2, 3, 4, 5, 6, 7, 8) == 4);
147 BOOST_HOF_TEST_CHECK(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_6))(0, 1, 2, 3, 4, 5, 6, 7, 8) == 5);
148 BOOST_HOF_TEST_CHECK(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_7))(0, 1, 2, 3, 4, 5, 6, 7, 8) == 6);
149 BOOST_HOF_TEST_CHECK(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_8))(0, 1, 2, 3, 4, 5, 6, 7, 8) == 7);
150 BOOST_HOF_TEST_CHECK(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_9))(0, 1, 2, 3, 4, 5, 6, 7, 8) == 8);
151
152 // test mixed perfect forwarding
153 BOOST_HOF_TEST_CHECK(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_1))(i[0], 1) == 0);
154 BOOST_HOF_TEST_CHECK(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_2))(i[0], 1) == 1);
155 BOOST_HOF_TEST_CHECK(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_1))(0, i[1]) == 0);
156 BOOST_HOF_TEST_CHECK(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_2))(0, i[1]) == 1);
157
158 // const
159
160 // test nullary
161 BOOST_HOF_TEST_CHECK(constify(constify(boost::hof::protect(boost::hof::lazy(f)(1))))() == 1);
162
163 // test lvalues
164 BOOST_HOF_TEST_CHECK(&constify(constify(boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_1))))(i[0]) == &i[0]);
165
166 BOOST_HOF_TEST_CHECK(&constify(constify(boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_1))))(i[0], i[1]) == &i[0]);
167 BOOST_HOF_TEST_CHECK(&constify(constify(boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_2))))(i[0], i[1]) == &i[1]);
168
169 BOOST_HOF_TEST_CHECK(&constify(constify(boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_1))))(i[0], i[1], i[2]) == &i[0]);
170 BOOST_HOF_TEST_CHECK(&constify(constify(boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_2))))(i[0], i[1], i[2]) == &i[1]);
171 BOOST_HOF_TEST_CHECK(&constify(constify(boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_3))))(i[0], i[1], i[2]) == &i[2]);
172
173 BOOST_HOF_TEST_CHECK(&constify(boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_1)))(i[0], i[1], i[2], i[3]) == &i[0]);
174 BOOST_HOF_TEST_CHECK(&constify(boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_2)))(i[0], i[1], i[2], i[3]) == &i[1]);
175 BOOST_HOF_TEST_CHECK(&constify(boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_3)))(i[0], i[1], i[2], i[3]) == &i[2]);
176 BOOST_HOF_TEST_CHECK(&constify(boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_4)))(i[0], i[1], i[2], i[3]) == &i[3]);
177
178 BOOST_HOF_TEST_CHECK(&constify(boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_1)))(i[0], i[1], i[2], i[3], i[4]) == &i[0]);
179 BOOST_HOF_TEST_CHECK(&constify(boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_2)))(i[0], i[1], i[2], i[3], i[4]) == &i[1]);
180 BOOST_HOF_TEST_CHECK(&constify(boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_3)))(i[0], i[1], i[2], i[3], i[4]) == &i[2]);
181 BOOST_HOF_TEST_CHECK(&constify(boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_4)))(i[0], i[1], i[2], i[3], i[4]) == &i[3]);
182 BOOST_HOF_TEST_CHECK(&constify(boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_5)))(i[0], i[1], i[2], i[3], i[4]) == &i[4]);
183
184 BOOST_HOF_TEST_CHECK(&constify(boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_1)))(i[0], i[1], i[2], i[3], i[4], i[5]) == &i[0]);
185 BOOST_HOF_TEST_CHECK(&constify(boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_2)))(i[0], i[1], i[2], i[3], i[4], i[5]) == &i[1]);
186 BOOST_HOF_TEST_CHECK(&constify(boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_3)))(i[0], i[1], i[2], i[3], i[4], i[5]) == &i[2]);
187 BOOST_HOF_TEST_CHECK(&constify(boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_4)))(i[0], i[1], i[2], i[3], i[4], i[5]) == &i[3]);
188 BOOST_HOF_TEST_CHECK(&constify(boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_5)))(i[0], i[1], i[2], i[3], i[4], i[5]) == &i[4]);
189 BOOST_HOF_TEST_CHECK(&constify(boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_6)))(i[0], i[1], i[2], i[3], i[4], i[5]) == &i[5]);
190
191 BOOST_HOF_TEST_CHECK(&constify(boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_1)))(i[0], i[1], i[2], i[3], i[4], i[5], i[6]) == &i[0]);
192 BOOST_HOF_TEST_CHECK(&constify(boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_2)))(i[0], i[1], i[2], i[3], i[4], i[5], i[6]) == &i[1]);
193 BOOST_HOF_TEST_CHECK(&constify(boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_3)))(i[0], i[1], i[2], i[3], i[4], i[5], i[6]) == &i[2]);
194 BOOST_HOF_TEST_CHECK(&constify(boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_4)))(i[0], i[1], i[2], i[3], i[4], i[5], i[6]) == &i[3]);
195 BOOST_HOF_TEST_CHECK(&constify(boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_5)))(i[0], i[1], i[2], i[3], i[4], i[5], i[6]) == &i[4]);
196 BOOST_HOF_TEST_CHECK(&constify(boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_6)))(i[0], i[1], i[2], i[3], i[4], i[5], i[6]) == &i[5]);
197 BOOST_HOF_TEST_CHECK(&constify(boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_7)))(i[0], i[1], i[2], i[3], i[4], i[5], i[6]) == &i[6]);
198
199 BOOST_HOF_TEST_CHECK(&constify(boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_1)))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7]) == &i[0]);
200 BOOST_HOF_TEST_CHECK(&constify(boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_2)))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7]) == &i[1]);
201 BOOST_HOF_TEST_CHECK(&constify(boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_3)))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7]) == &i[2]);
202 BOOST_HOF_TEST_CHECK(&constify(boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_4)))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7]) == &i[3]);
203 BOOST_HOF_TEST_CHECK(&constify(boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_5)))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7]) == &i[4]);
204 BOOST_HOF_TEST_CHECK(&constify(boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_6)))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7]) == &i[5]);
205 BOOST_HOF_TEST_CHECK(&constify(boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_7)))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7]) == &i[6]);
206 BOOST_HOF_TEST_CHECK(&constify(boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_8)))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7]) == &i[7]);
207
208 BOOST_HOF_TEST_CHECK(&constify(boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_1)))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7], i[8]) == &i[0]);
209 BOOST_HOF_TEST_CHECK(&constify(boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_2)))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7], i[8]) == &i[1]);
210 BOOST_HOF_TEST_CHECK(&constify(boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_3)))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7], i[8]) == &i[2]);
211 BOOST_HOF_TEST_CHECK(&constify(boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_4)))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7], i[8]) == &i[3]);
212 BOOST_HOF_TEST_CHECK(&constify(boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_5)))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7], i[8]) == &i[4]);
213 BOOST_HOF_TEST_CHECK(&constify(boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_6)))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7], i[8]) == &i[5]);
214 BOOST_HOF_TEST_CHECK(&constify(boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_7)))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7], i[8]) == &i[6]);
215 BOOST_HOF_TEST_CHECK(&constify(boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_8)))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7], i[8]) == &i[7]);
216 BOOST_HOF_TEST_CHECK(&constify(boost::hof::protect(boost::hof::lazy(g)(std::placeholders::_9)))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7], i[8]) == &i[8]);
217
218 // test rvalues
219
220 BOOST_HOF_TEST_CHECK(constify(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_1)))(0) == 0);
221
222 BOOST_HOF_TEST_CHECK(constify(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_1)))(0, 1) == 0);
223 BOOST_HOF_TEST_CHECK(constify(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_2)))(0, 1) == 1);
224
225 BOOST_HOF_TEST_CHECK(constify(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_1)))(0, 1, 2) == 0);
226 BOOST_HOF_TEST_CHECK(constify(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_2)))(0, 1, 2) == 1);
227 BOOST_HOF_TEST_CHECK(constify(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_3)))(0, 1, 2) == 2);
228
229 BOOST_HOF_TEST_CHECK(constify(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_1)))(0, 1, 2, 3) == 0);
230 BOOST_HOF_TEST_CHECK(constify(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_2)))(0, 1, 2, 3) == 1);
231 BOOST_HOF_TEST_CHECK(constify(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_3)))(0, 1, 2, 3) == 2);
232 BOOST_HOF_TEST_CHECK(constify(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_4)))(0, 1, 2, 3) == 3);
233
234 BOOST_HOF_TEST_CHECK(constify(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_1)))(0, 1, 2, 3, 4) == 0);
235 BOOST_HOF_TEST_CHECK(constify(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_2)))(0, 1, 2, 3, 4) == 1);
236 BOOST_HOF_TEST_CHECK(constify(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_3)))(0, 1, 2, 3, 4) == 2);
237 BOOST_HOF_TEST_CHECK(constify(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_4)))(0, 1, 2, 3, 4) == 3);
238 BOOST_HOF_TEST_CHECK(constify(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_5)))(0, 1, 2, 3, 4) == 4);
239
240 BOOST_HOF_TEST_CHECK(constify(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_1)))(0, 1, 2, 3, 4, 5) == 0);
241 BOOST_HOF_TEST_CHECK(constify(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_2)))(0, 1, 2, 3, 4, 5) == 1);
242 BOOST_HOF_TEST_CHECK(constify(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_3)))(0, 1, 2, 3, 4, 5) == 2);
243 BOOST_HOF_TEST_CHECK(constify(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_4)))(0, 1, 2, 3, 4, 5) == 3);
244 BOOST_HOF_TEST_CHECK(constify(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_5)))(0, 1, 2, 3, 4, 5) == 4);
245 BOOST_HOF_TEST_CHECK(constify(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_6)))(0, 1, 2, 3, 4, 5) == 5);
246
247 BOOST_HOF_TEST_CHECK(constify(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_1)))(0, 1, 2, 3, 4, 5, 6) == 0);
248 BOOST_HOF_TEST_CHECK(constify(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_2)))(0, 1, 2, 3, 4, 5, 6) == 1);
249 BOOST_HOF_TEST_CHECK(constify(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_3)))(0, 1, 2, 3, 4, 5, 6) == 2);
250 BOOST_HOF_TEST_CHECK(constify(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_4)))(0, 1, 2, 3, 4, 5, 6) == 3);
251 BOOST_HOF_TEST_CHECK(constify(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_5)))(0, 1, 2, 3, 4, 5, 6) == 4);
252 BOOST_HOF_TEST_CHECK(constify(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_6)))(0, 1, 2, 3, 4, 5, 6) == 5);
253 BOOST_HOF_TEST_CHECK(constify(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_7)))(0, 1, 2, 3, 4, 5, 6) == 6);
254
255 BOOST_HOF_TEST_CHECK(constify(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_1)))(0, 1, 2, 3, 4, 5, 6, 7) == 0);
256 BOOST_HOF_TEST_CHECK(constify(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_2)))(0, 1, 2, 3, 4, 5, 6, 7) == 1);
257 BOOST_HOF_TEST_CHECK(constify(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_3)))(0, 1, 2, 3, 4, 5, 6, 7) == 2);
258 BOOST_HOF_TEST_CHECK(constify(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_4)))(0, 1, 2, 3, 4, 5, 6, 7) == 3);
259 BOOST_HOF_TEST_CHECK(constify(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_5)))(0, 1, 2, 3, 4, 5, 6, 7) == 4);
260 BOOST_HOF_TEST_CHECK(constify(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_6)))(0, 1, 2, 3, 4, 5, 6, 7) == 5);
261 BOOST_HOF_TEST_CHECK(constify(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_7)))(0, 1, 2, 3, 4, 5, 6, 7) == 6);
262 BOOST_HOF_TEST_CHECK(constify(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_8)))(0, 1, 2, 3, 4, 5, 6, 7) == 7);
263
264 BOOST_HOF_TEST_CHECK(constify(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_1)))(0, 1, 2, 3, 4, 5, 6, 7, 8) == 0);
265 BOOST_HOF_TEST_CHECK(constify(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_2)))(0, 1, 2, 3, 4, 5, 6, 7, 8) == 1);
266 BOOST_HOF_TEST_CHECK(constify(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_3)))(0, 1, 2, 3, 4, 5, 6, 7, 8) == 2);
267 BOOST_HOF_TEST_CHECK(constify(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_4)))(0, 1, 2, 3, 4, 5, 6, 7, 8) == 3);
268 BOOST_HOF_TEST_CHECK(constify(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_5)))(0, 1, 2, 3, 4, 5, 6, 7, 8) == 4);
269 BOOST_HOF_TEST_CHECK(constify(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_6)))(0, 1, 2, 3, 4, 5, 6, 7, 8) == 5);
270 BOOST_HOF_TEST_CHECK(constify(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_7)))(0, 1, 2, 3, 4, 5, 6, 7, 8) == 6);
271 BOOST_HOF_TEST_CHECK(constify(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_8)))(0, 1, 2, 3, 4, 5, 6, 7, 8) == 7);
272 BOOST_HOF_TEST_CHECK(constify(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_9)))(0, 1, 2, 3, 4, 5, 6, 7, 8) == 8);
273
274 // test mixed perfect forwarding
275 BOOST_HOF_TEST_CHECK(constify(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_1)))(i[0], 1) == 0);
276 BOOST_HOF_TEST_CHECK(constify(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_2)))(i[0], 1) == 1);
277 BOOST_HOF_TEST_CHECK(constify(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_1)))(0, i[1]) == 0);
278 BOOST_HOF_TEST_CHECK(constify(boost::hof::protect(boost::hof::lazy(f)(std::placeholders::_2)))(0, i[1]) == 1);
279}
280
281BOOST_HOF_TEST_CASE()
282{
283 BOOST_HOF_TEST_CHECK(boost::hof::lazy(boost::hof::apply)(boost::hof::protect(boost::hof::lazy(boost::hof::identity)(boost::hof::_1)), boost::hof::_1)(17) == 17);
284 BOOST_HOF_TEST_CHECK(boost::hof::lazy(boost::hof::apply)(boost::hof::protect(boost::hof::lazy(boost::hof::identity)(boost::hof::_1)), 17)() == 17);
285 BOOST_HOF_STATIC_TEST_CHECK(boost::hof::lazy(boost::hof::apply)(boost::hof::protect(boost::hof::lazy(boost::hof::identity)(boost::hof::_1)), boost::hof::_1)(17) == 17);
286 BOOST_HOF_STATIC_TEST_CHECK(boost::hof::lazy(boost::hof::apply)(boost::hof::protect(boost::hof::lazy(boost::hof::identity)(boost::hof::_1)), 17)() == 17);
287}
288
289namespace test1 {
290
291int id(int x)
292{
293 return x;
294}
295
296BOOST_HOF_TEST_CASE()
297{
298 BOOST_HOF_TEST_CHECK(boost::hof::lazy(boost::hof::apply)(boost::hof::protect(boost::hof::lazy(id)(std::placeholders::_1)), std::placeholders::_1)(17) == 17);
299 BOOST_HOF_TEST_CHECK(boost::hof::lazy(boost::hof::apply)(boost::hof::protect(boost::hof::lazy(id)(std::placeholders::_1)), 17)() == 17);
300}
301
302}
303

source code of boost/libs/hof/test/protect.cpp