1 //  protect_test.cpp
2 //
3 //  Copyright (c) 2009 Steven Watanabe
4 //
5 // Distributed under the Boost Software License, Version 1.0.
6 //
7 // See accompanying file LICENSE_1_0.txt or copy at
8 // http://www.boost.org/LICENSE_1_0.txt)
9 
10 #include <boost/bind/protect.hpp>
11 #include <boost/bind/bind.hpp>
12 
13 #include <boost/detail/lightweight_test.hpp>
14 
f(int x)15 int f(int x)
16 {
17     return x;
18 }
19 
g(int & x)20 int& g(int& x)
21 {
22     return x;
23 }
24 
25 template<class T>
constify(const T & arg)26 const T& constify(const T& arg)
27 {
28     return arg;
29 }
30 
main()31 int main()
32 {
33     int i[9] = {0,1,2,3,4,5,6,7,8};
34 
35     // non-const
36 
37     // test nullary
38     BOOST_TEST(boost::protect(boost::bind(f, 1))() == 1);
39 
40     // test lvalues
41 
42     BOOST_TEST(&boost::protect(boost::bind(g, _1))(i[0]) == &i[0]);
43 
44     BOOST_TEST(&boost::protect(boost::bind(g, _1))(i[0], i[1]) == &i[0]);
45     BOOST_TEST(&boost::protect(boost::bind(g, _2))(i[0], i[1]) == &i[1]);
46 
47     BOOST_TEST(&boost::protect(boost::bind(g, _1))(i[0], i[1], i[2]) == &i[0]);
48     BOOST_TEST(&boost::protect(boost::bind(g, _2))(i[0], i[1], i[2]) == &i[1]);
49     BOOST_TEST(&boost::protect(boost::bind(g, _3))(i[0], i[1], i[2]) == &i[2]);
50 
51     BOOST_TEST(&boost::protect(boost::bind(g, _1))(i[0], i[1], i[2], i[3]) == &i[0]);
52     BOOST_TEST(&boost::protect(boost::bind(g, _2))(i[0], i[1], i[2], i[3]) == &i[1]);
53     BOOST_TEST(&boost::protect(boost::bind(g, _3))(i[0], i[1], i[2], i[3]) == &i[2]);
54     BOOST_TEST(&boost::protect(boost::bind(g, _4))(i[0], i[1], i[2], i[3]) == &i[3]);
55 
56     BOOST_TEST(&boost::protect(boost::bind(g, _1))(i[0], i[1], i[2], i[3], i[4]) == &i[0]);
57     BOOST_TEST(&boost::protect(boost::bind(g, _2))(i[0], i[1], i[2], i[3], i[4]) == &i[1]);
58     BOOST_TEST(&boost::protect(boost::bind(g, _3))(i[0], i[1], i[2], i[3], i[4]) == &i[2]);
59     BOOST_TEST(&boost::protect(boost::bind(g, _4))(i[0], i[1], i[2], i[3], i[4]) == &i[3]);
60     BOOST_TEST(&boost::protect(boost::bind(g, _5))(i[0], i[1], i[2], i[3], i[4]) == &i[4]);
61 
62     BOOST_TEST(&boost::protect(boost::bind(g, _1))(i[0], i[1], i[2], i[3], i[4], i[5]) == &i[0]);
63     BOOST_TEST(&boost::protect(boost::bind(g, _2))(i[0], i[1], i[2], i[3], i[4], i[5]) == &i[1]);
64     BOOST_TEST(&boost::protect(boost::bind(g, _3))(i[0], i[1], i[2], i[3], i[4], i[5]) == &i[2]);
65     BOOST_TEST(&boost::protect(boost::bind(g, _4))(i[0], i[1], i[2], i[3], i[4], i[5]) == &i[3]);
66     BOOST_TEST(&boost::protect(boost::bind(g, _5))(i[0], i[1], i[2], i[3], i[4], i[5]) == &i[4]);
67     BOOST_TEST(&boost::protect(boost::bind(g, _6))(i[0], i[1], i[2], i[3], i[4], i[5]) == &i[5]);
68 
69     BOOST_TEST(&boost::protect(boost::bind(g, _1))(i[0], i[1], i[2], i[3], i[4], i[5], i[6]) == &i[0]);
70     BOOST_TEST(&boost::protect(boost::bind(g, _2))(i[0], i[1], i[2], i[3], i[4], i[5], i[6]) == &i[1]);
71     BOOST_TEST(&boost::protect(boost::bind(g, _3))(i[0], i[1], i[2], i[3], i[4], i[5], i[6]) == &i[2]);
72     BOOST_TEST(&boost::protect(boost::bind(g, _4))(i[0], i[1], i[2], i[3], i[4], i[5], i[6]) == &i[3]);
73     BOOST_TEST(&boost::protect(boost::bind(g, _5))(i[0], i[1], i[2], i[3], i[4], i[5], i[6]) == &i[4]);
74     BOOST_TEST(&boost::protect(boost::bind(g, _6))(i[0], i[1], i[2], i[3], i[4], i[5], i[6]) == &i[5]);
75     BOOST_TEST(&boost::protect(boost::bind(g, _7))(i[0], i[1], i[2], i[3], i[4], i[5], i[6]) == &i[6]);
76 
77     BOOST_TEST(&boost::protect(boost::bind(g, _1))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7]) == &i[0]);
78     BOOST_TEST(&boost::protect(boost::bind(g, _2))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7]) == &i[1]);
79     BOOST_TEST(&boost::protect(boost::bind(g, _3))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7]) == &i[2]);
80     BOOST_TEST(&boost::protect(boost::bind(g, _4))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7]) == &i[3]);
81     BOOST_TEST(&boost::protect(boost::bind(g, _5))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7]) == &i[4]);
82     BOOST_TEST(&boost::protect(boost::bind(g, _6))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7]) == &i[5]);
83     BOOST_TEST(&boost::protect(boost::bind(g, _7))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7]) == &i[6]);
84     BOOST_TEST(&boost::protect(boost::bind(g, _8))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7]) == &i[7]);
85 
86     BOOST_TEST(&boost::protect(boost::bind(g, _1))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7], i[8]) == &i[0]);
87     BOOST_TEST(&boost::protect(boost::bind(g, _2))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7], i[8]) == &i[1]);
88     BOOST_TEST(&boost::protect(boost::bind(g, _3))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7], i[8]) == &i[2]);
89     BOOST_TEST(&boost::protect(boost::bind(g, _4))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7], i[8]) == &i[3]);
90     BOOST_TEST(&boost::protect(boost::bind(g, _5))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7], i[8]) == &i[4]);
91     BOOST_TEST(&boost::protect(boost::bind(g, _6))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7], i[8]) == &i[5]);
92     BOOST_TEST(&boost::protect(boost::bind(g, _7))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7], i[8]) == &i[6]);
93     BOOST_TEST(&boost::protect(boost::bind(g, _8))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7], i[8]) == &i[7]);
94     BOOST_TEST(&boost::protect(boost::bind(g, _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_TEST(boost::protect(boost::bind(f, _1))(0) == 0);
99 
100     BOOST_TEST(boost::protect(boost::bind(f, _1))(0, 1) == 0);
101     BOOST_TEST(boost::protect(boost::bind(f, _2))(0, 1) == 1);
102 
103     BOOST_TEST(boost::protect(boost::bind(f, _1))(0, 1, 2) == 0);
104     BOOST_TEST(boost::protect(boost::bind(f, _2))(0, 1, 2) == 1);
105     BOOST_TEST(boost::protect(boost::bind(f, _3))(0, 1, 2) == 2);
106 
107     BOOST_TEST(boost::protect(boost::bind(f, _1))(0, 1, 2, 3) == 0);
108     BOOST_TEST(boost::protect(boost::bind(f, _2))(0, 1, 2, 3) == 1);
109     BOOST_TEST(boost::protect(boost::bind(f, _3))(0, 1, 2, 3) == 2);
110     BOOST_TEST(boost::protect(boost::bind(f, _4))(0, 1, 2, 3) == 3);
111 
112     BOOST_TEST(boost::protect(boost::bind(f, _1))(0, 1, 2, 3, 4) == 0);
113     BOOST_TEST(boost::protect(boost::bind(f, _2))(0, 1, 2, 3, 4) == 1);
114     BOOST_TEST(boost::protect(boost::bind(f, _3))(0, 1, 2, 3, 4) == 2);
115     BOOST_TEST(boost::protect(boost::bind(f, _4))(0, 1, 2, 3, 4) == 3);
116     BOOST_TEST(boost::protect(boost::bind(f, _5))(0, 1, 2, 3, 4) == 4);
117 
118     BOOST_TEST(boost::protect(boost::bind(f, _1))(0, 1, 2, 3, 4, 5) == 0);
119     BOOST_TEST(boost::protect(boost::bind(f, _2))(0, 1, 2, 3, 4, 5) == 1);
120     BOOST_TEST(boost::protect(boost::bind(f, _3))(0, 1, 2, 3, 4, 5) == 2);
121     BOOST_TEST(boost::protect(boost::bind(f, _4))(0, 1, 2, 3, 4, 5) == 3);
122     BOOST_TEST(boost::protect(boost::bind(f, _5))(0, 1, 2, 3, 4, 5) == 4);
123     BOOST_TEST(boost::protect(boost::bind(f, _6))(0, 1, 2, 3, 4, 5) == 5);
124 
125     BOOST_TEST(boost::protect(boost::bind(f, _1))(0, 1, 2, 3, 4, 5, 6) == 0);
126     BOOST_TEST(boost::protect(boost::bind(f, _2))(0, 1, 2, 3, 4, 5, 6) == 1);
127     BOOST_TEST(boost::protect(boost::bind(f, _3))(0, 1, 2, 3, 4, 5, 6) == 2);
128     BOOST_TEST(boost::protect(boost::bind(f, _4))(0, 1, 2, 3, 4, 5, 6) == 3);
129     BOOST_TEST(boost::protect(boost::bind(f, _5))(0, 1, 2, 3, 4, 5, 6) == 4);
130     BOOST_TEST(boost::protect(boost::bind(f, _6))(0, 1, 2, 3, 4, 5, 6) == 5);
131     BOOST_TEST(boost::protect(boost::bind(f, _7))(0, 1, 2, 3, 4, 5, 6) == 6);
132 
133     BOOST_TEST(boost::protect(boost::bind(f, _1))(0, 1, 2, 3, 4, 5, 6, 7) == 0);
134     BOOST_TEST(boost::protect(boost::bind(f, _2))(0, 1, 2, 3, 4, 5, 6, 7) == 1);
135     BOOST_TEST(boost::protect(boost::bind(f, _3))(0, 1, 2, 3, 4, 5, 6, 7) == 2);
136     BOOST_TEST(boost::protect(boost::bind(f, _4))(0, 1, 2, 3, 4, 5, 6, 7) == 3);
137     BOOST_TEST(boost::protect(boost::bind(f, _5))(0, 1, 2, 3, 4, 5, 6, 7) == 4);
138     BOOST_TEST(boost::protect(boost::bind(f, _6))(0, 1, 2, 3, 4, 5, 6, 7) == 5);
139     BOOST_TEST(boost::protect(boost::bind(f, _7))(0, 1, 2, 3, 4, 5, 6, 7) == 6);
140     BOOST_TEST(boost::protect(boost::bind(f, _8))(0, 1, 2, 3, 4, 5, 6, 7) == 7);
141 
142     BOOST_TEST(boost::protect(boost::bind(f, _1))(0, 1, 2, 3, 4, 5, 6, 7, 8) == 0);
143     BOOST_TEST(boost::protect(boost::bind(f, _2))(0, 1, 2, 3, 4, 5, 6, 7, 8) == 1);
144     BOOST_TEST(boost::protect(boost::bind(f, _3))(0, 1, 2, 3, 4, 5, 6, 7, 8) == 2);
145     BOOST_TEST(boost::protect(boost::bind(f, _4))(0, 1, 2, 3, 4, 5, 6, 7, 8) == 3);
146     BOOST_TEST(boost::protect(boost::bind(f, _5))(0, 1, 2, 3, 4, 5, 6, 7, 8) == 4);
147     BOOST_TEST(boost::protect(boost::bind(f, _6))(0, 1, 2, 3, 4, 5, 6, 7, 8) == 5);
148     BOOST_TEST(boost::protect(boost::bind(f, _7))(0, 1, 2, 3, 4, 5, 6, 7, 8) == 6);
149     BOOST_TEST(boost::protect(boost::bind(f, _8))(0, 1, 2, 3, 4, 5, 6, 7, 8) == 7);
150     BOOST_TEST(boost::protect(boost::bind(f, _9))(0, 1, 2, 3, 4, 5, 6, 7, 8) == 8);
151 
152     // test mixed perfect forwarding
153     BOOST_TEST(boost::protect(boost::bind(f, _1))(i[0], 1) == 0);
154     BOOST_TEST(boost::protect(boost::bind(f, _2))(i[0], 1) == 1);
155     BOOST_TEST(boost::protect(boost::bind(f, _1))(0, i[1]) == 0);
156     BOOST_TEST(boost::protect(boost::bind(f, _2))(0, i[1]) == 1);
157 
158     // const
159 
160     // test nullary
161     BOOST_TEST(constify(constify(boost::protect(boost::bind(f, 1))))() == 1);
162 
163     // test lvalues
164     BOOST_TEST(&constify(constify(boost::protect(boost::bind(g, _1))))(i[0]) == &i[0]);
165 
166     BOOST_TEST(&constify(constify(boost::protect(boost::bind(g, _1))))(i[0], i[1]) == &i[0]);
167     BOOST_TEST(&constify(constify(boost::protect(boost::bind(g, _2))))(i[0], i[1]) == &i[1]);
168 
169     BOOST_TEST(&constify(constify(boost::protect(boost::bind(g, _1))))(i[0], i[1], i[2]) == &i[0]);
170     BOOST_TEST(&constify(constify(boost::protect(boost::bind(g, _2))))(i[0], i[1], i[2]) == &i[1]);
171     BOOST_TEST(&constify(constify(boost::protect(boost::bind(g, _3))))(i[0], i[1], i[2]) == &i[2]);
172 
173     BOOST_TEST(&constify(boost::protect(boost::bind(g, _1)))(i[0], i[1], i[2], i[3]) == &i[0]);
174     BOOST_TEST(&constify(boost::protect(boost::bind(g, _2)))(i[0], i[1], i[2], i[3]) == &i[1]);
175     BOOST_TEST(&constify(boost::protect(boost::bind(g, _3)))(i[0], i[1], i[2], i[3]) == &i[2]);
176     BOOST_TEST(&constify(boost::protect(boost::bind(g, _4)))(i[0], i[1], i[2], i[3]) == &i[3]);
177 
178     BOOST_TEST(&constify(boost::protect(boost::bind(g, _1)))(i[0], i[1], i[2], i[3], i[4]) == &i[0]);
179     BOOST_TEST(&constify(boost::protect(boost::bind(g, _2)))(i[0], i[1], i[2], i[3], i[4]) == &i[1]);
180     BOOST_TEST(&constify(boost::protect(boost::bind(g, _3)))(i[0], i[1], i[2], i[3], i[4]) == &i[2]);
181     BOOST_TEST(&constify(boost::protect(boost::bind(g, _4)))(i[0], i[1], i[2], i[3], i[4]) == &i[3]);
182     BOOST_TEST(&constify(boost::protect(boost::bind(g, _5)))(i[0], i[1], i[2], i[3], i[4]) == &i[4]);
183 
184     BOOST_TEST(&constify(boost::protect(boost::bind(g, _1)))(i[0], i[1], i[2], i[3], i[4], i[5]) == &i[0]);
185     BOOST_TEST(&constify(boost::protect(boost::bind(g, _2)))(i[0], i[1], i[2], i[3], i[4], i[5]) == &i[1]);
186     BOOST_TEST(&constify(boost::protect(boost::bind(g, _3)))(i[0], i[1], i[2], i[3], i[4], i[5]) == &i[2]);
187     BOOST_TEST(&constify(boost::protect(boost::bind(g, _4)))(i[0], i[1], i[2], i[3], i[4], i[5]) == &i[3]);
188     BOOST_TEST(&constify(boost::protect(boost::bind(g, _5)))(i[0], i[1], i[2], i[3], i[4], i[5]) == &i[4]);
189     BOOST_TEST(&constify(boost::protect(boost::bind(g, _6)))(i[0], i[1], i[2], i[3], i[4], i[5]) == &i[5]);
190 
191     BOOST_TEST(&constify(boost::protect(boost::bind(g, _1)))(i[0], i[1], i[2], i[3], i[4], i[5], i[6]) == &i[0]);
192     BOOST_TEST(&constify(boost::protect(boost::bind(g, _2)))(i[0], i[1], i[2], i[3], i[4], i[5], i[6]) == &i[1]);
193     BOOST_TEST(&constify(boost::protect(boost::bind(g, _3)))(i[0], i[1], i[2], i[3], i[4], i[5], i[6]) == &i[2]);
194     BOOST_TEST(&constify(boost::protect(boost::bind(g, _4)))(i[0], i[1], i[2], i[3], i[4], i[5], i[6]) == &i[3]);
195     BOOST_TEST(&constify(boost::protect(boost::bind(g, _5)))(i[0], i[1], i[2], i[3], i[4], i[5], i[6]) == &i[4]);
196     BOOST_TEST(&constify(boost::protect(boost::bind(g, _6)))(i[0], i[1], i[2], i[3], i[4], i[5], i[6]) == &i[5]);
197     BOOST_TEST(&constify(boost::protect(boost::bind(g, _7)))(i[0], i[1], i[2], i[3], i[4], i[5], i[6]) == &i[6]);
198 
199     BOOST_TEST(&constify(boost::protect(boost::bind(g, _1)))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7]) == &i[0]);
200     BOOST_TEST(&constify(boost::protect(boost::bind(g, _2)))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7]) == &i[1]);
201     BOOST_TEST(&constify(boost::protect(boost::bind(g, _3)))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7]) == &i[2]);
202     BOOST_TEST(&constify(boost::protect(boost::bind(g, _4)))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7]) == &i[3]);
203     BOOST_TEST(&constify(boost::protect(boost::bind(g, _5)))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7]) == &i[4]);
204     BOOST_TEST(&constify(boost::protect(boost::bind(g, _6)))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7]) == &i[5]);
205     BOOST_TEST(&constify(boost::protect(boost::bind(g, _7)))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7]) == &i[6]);
206     BOOST_TEST(&constify(boost::protect(boost::bind(g, _8)))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7]) == &i[7]);
207 
208     BOOST_TEST(&constify(boost::protect(boost::bind(g, _1)))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7], i[8]) == &i[0]);
209     BOOST_TEST(&constify(boost::protect(boost::bind(g, _2)))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7], i[8]) == &i[1]);
210     BOOST_TEST(&constify(boost::protect(boost::bind(g, _3)))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7], i[8]) == &i[2]);
211     BOOST_TEST(&constify(boost::protect(boost::bind(g, _4)))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7], i[8]) == &i[3]);
212     BOOST_TEST(&constify(boost::protect(boost::bind(g, _5)))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7], i[8]) == &i[4]);
213     BOOST_TEST(&constify(boost::protect(boost::bind(g, _6)))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7], i[8]) == &i[5]);
214     BOOST_TEST(&constify(boost::protect(boost::bind(g, _7)))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7], i[8]) == &i[6]);
215     BOOST_TEST(&constify(boost::protect(boost::bind(g, _8)))(i[0], i[1], i[2], i[3], i[4], i[5], i[6], i[7], i[8]) == &i[7]);
216     BOOST_TEST(&constify(boost::protect(boost::bind(g, _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_TEST(constify(boost::protect(boost::bind(f, _1)))(0) == 0);
221 
222     BOOST_TEST(constify(boost::protect(boost::bind(f, _1)))(0, 1) == 0);
223     BOOST_TEST(constify(boost::protect(boost::bind(f, _2)))(0, 1) == 1);
224 
225     BOOST_TEST(constify(boost::protect(boost::bind(f, _1)))(0, 1, 2) == 0);
226     BOOST_TEST(constify(boost::protect(boost::bind(f, _2)))(0, 1, 2) == 1);
227     BOOST_TEST(constify(boost::protect(boost::bind(f, _3)))(0, 1, 2) == 2);
228 
229     BOOST_TEST(constify(boost::protect(boost::bind(f, _1)))(0, 1, 2, 3) == 0);
230     BOOST_TEST(constify(boost::protect(boost::bind(f, _2)))(0, 1, 2, 3) == 1);
231     BOOST_TEST(constify(boost::protect(boost::bind(f, _3)))(0, 1, 2, 3) == 2);
232     BOOST_TEST(constify(boost::protect(boost::bind(f, _4)))(0, 1, 2, 3) == 3);
233 
234     BOOST_TEST(constify(boost::protect(boost::bind(f, _1)))(0, 1, 2, 3, 4) == 0);
235     BOOST_TEST(constify(boost::protect(boost::bind(f, _2)))(0, 1, 2, 3, 4) == 1);
236     BOOST_TEST(constify(boost::protect(boost::bind(f, _3)))(0, 1, 2, 3, 4) == 2);
237     BOOST_TEST(constify(boost::protect(boost::bind(f, _4)))(0, 1, 2, 3, 4) == 3);
238     BOOST_TEST(constify(boost::protect(boost::bind(f, _5)))(0, 1, 2, 3, 4) == 4);
239 
240     BOOST_TEST(constify(boost::protect(boost::bind(f, _1)))(0, 1, 2, 3, 4, 5) == 0);
241     BOOST_TEST(constify(boost::protect(boost::bind(f, _2)))(0, 1, 2, 3, 4, 5) == 1);
242     BOOST_TEST(constify(boost::protect(boost::bind(f, _3)))(0, 1, 2, 3, 4, 5) == 2);
243     BOOST_TEST(constify(boost::protect(boost::bind(f, _4)))(0, 1, 2, 3, 4, 5) == 3);
244     BOOST_TEST(constify(boost::protect(boost::bind(f, _5)))(0, 1, 2, 3, 4, 5) == 4);
245     BOOST_TEST(constify(boost::protect(boost::bind(f, _6)))(0, 1, 2, 3, 4, 5) == 5);
246 
247     BOOST_TEST(constify(boost::protect(boost::bind(f, _1)))(0, 1, 2, 3, 4, 5, 6) == 0);
248     BOOST_TEST(constify(boost::protect(boost::bind(f, _2)))(0, 1, 2, 3, 4, 5, 6) == 1);
249     BOOST_TEST(constify(boost::protect(boost::bind(f, _3)))(0, 1, 2, 3, 4, 5, 6) == 2);
250     BOOST_TEST(constify(boost::protect(boost::bind(f, _4)))(0, 1, 2, 3, 4, 5, 6) == 3);
251     BOOST_TEST(constify(boost::protect(boost::bind(f, _5)))(0, 1, 2, 3, 4, 5, 6) == 4);
252     BOOST_TEST(constify(boost::protect(boost::bind(f, _6)))(0, 1, 2, 3, 4, 5, 6) == 5);
253     BOOST_TEST(constify(boost::protect(boost::bind(f, _7)))(0, 1, 2, 3, 4, 5, 6) == 6);
254 
255     BOOST_TEST(constify(boost::protect(boost::bind(f, _1)))(0, 1, 2, 3, 4, 5, 6, 7) == 0);
256     BOOST_TEST(constify(boost::protect(boost::bind(f, _2)))(0, 1, 2, 3, 4, 5, 6, 7) == 1);
257     BOOST_TEST(constify(boost::protect(boost::bind(f, _3)))(0, 1, 2, 3, 4, 5, 6, 7) == 2);
258     BOOST_TEST(constify(boost::protect(boost::bind(f, _4)))(0, 1, 2, 3, 4, 5, 6, 7) == 3);
259     BOOST_TEST(constify(boost::protect(boost::bind(f, _5)))(0, 1, 2, 3, 4, 5, 6, 7) == 4);
260     BOOST_TEST(constify(boost::protect(boost::bind(f, _6)))(0, 1, 2, 3, 4, 5, 6, 7) == 5);
261     BOOST_TEST(constify(boost::protect(boost::bind(f, _7)))(0, 1, 2, 3, 4, 5, 6, 7) == 6);
262     BOOST_TEST(constify(boost::protect(boost::bind(f, _8)))(0, 1, 2, 3, 4, 5, 6, 7) == 7);
263 
264     BOOST_TEST(constify(boost::protect(boost::bind(f, _1)))(0, 1, 2, 3, 4, 5, 6, 7, 8) == 0);
265     BOOST_TEST(constify(boost::protect(boost::bind(f, _2)))(0, 1, 2, 3, 4, 5, 6, 7, 8) == 1);
266     BOOST_TEST(constify(boost::protect(boost::bind(f, _3)))(0, 1, 2, 3, 4, 5, 6, 7, 8) == 2);
267     BOOST_TEST(constify(boost::protect(boost::bind(f, _4)))(0, 1, 2, 3, 4, 5, 6, 7, 8) == 3);
268     BOOST_TEST(constify(boost::protect(boost::bind(f, _5)))(0, 1, 2, 3, 4, 5, 6, 7, 8) == 4);
269     BOOST_TEST(constify(boost::protect(boost::bind(f, _6)))(0, 1, 2, 3, 4, 5, 6, 7, 8) == 5);
270     BOOST_TEST(constify(boost::protect(boost::bind(f, _7)))(0, 1, 2, 3, 4, 5, 6, 7, 8) == 6);
271     BOOST_TEST(constify(boost::protect(boost::bind(f, _8)))(0, 1, 2, 3, 4, 5, 6, 7, 8) == 7);
272     BOOST_TEST(constify(boost::protect(boost::bind(f, _9)))(0, 1, 2, 3, 4, 5, 6, 7, 8) == 8);
273 
274     // test mixed perfect forwarding
275     BOOST_TEST(constify(boost::protect(boost::bind(f, _1)))(i[0], 1) == 0);
276     BOOST_TEST(constify(boost::protect(boost::bind(f, _2)))(i[0], 1) == 1);
277     BOOST_TEST(constify(boost::protect(boost::bind(f, _1)))(0, i[1]) == 0);
278     BOOST_TEST(constify(boost::protect(boost::bind(f, _2)))(0, i[1]) == 1);
279 
280     return boost::report_errors();
281 }
282