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1 
2 // Copyright (C) 2008-2018 Lorenzo Caminiti
3 // Distributed under the Boost Software License, Version 1.0 (see accompanying
4 // file LICENSE_1_0.txt or a copy at http://www.boost.org/LICENSE_1_0.txt).
5 // See: http://www.boost.org/doc/libs/release/libs/contract/doc/html/index.html
6 
7 // Test contract compilation on/off (using macro interface only).
8 
9 #include "../detail/oteststream.hpp"
10 #include "../detail/unprotected_commas.hpp"
11 #include <boost/contract_macro.hpp>
12 #include <boost/detail/lightweight_test.hpp>
13 #include <sstream>
14 
15 boost::contract::test::detail::oteststream out;
16 
f(bool check)17 void f(bool check) {
18     BOOST_CONTRACT_CHECK((
19         [&] () -> bool {
20             boost::contract::test::detail::unprotected_commas<void, void, void>
21                     ::call();
22             out << "f::check" << std::endl;
23             return check;
24         }()
25     ));
26     out << "f::body" << std::endl;
27 }
28 
29 struct err {}; // Global decl so visible in MSVC10 lambdas.
30 
main()31 int main() {
32     std::ostringstream ok;
33 
34     out.str("");
35     f(true);
36     ok.str(""); ok
37         #ifndef BOOST_CONTRACT_NO_CHECKS
38             << "f::check" << std::endl
39         #endif
40         << "f::body" << std::endl
41     ;
42     BOOST_TEST(out.eq(ok.str()));
43 
44     boost::contract::set_check_failure([] { throw err(); });
45 
46     out.str("");
47     try {
48         f(false);
49         #ifndef BOOST_CONTRACT_NO_CHECKS
50             BOOST_TEST(false);
51             } catch(err const&) {
52                 ok.str("");
53                 ok << "f::check" << std::endl;
54         #else
55             ok.str("");
56             ok << "f::body" << std::endl;
57         #endif
58         BOOST_TEST(out.eq(ok.str()));
59     } catch(...) { BOOST_TEST(false); }
60 
61     return boost::report_errors();
62 }
63 
64