| 1 | // Copyright (c) 2009-2020 Vladimir Batov. |
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| 2 | // Use, modification and distribution are subject to the Boost Software License, |
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| 3 | // Version 1.0. See http://www.boost.org/LICENSE_1_0.txt. |
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| 4 | |
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| 5 | #include "./test.hpp" |
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| 6 | |
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| 7 | #if !defined(BOOST_CONVERT_CXX14) |
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| 8 | int main(int, char const* []) { return 0; } |
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| 9 | #else |
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| 10 | |
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| 11 | #include <boost/convert.hpp> |
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| 12 | |
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| 13 | static |
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| 14 | bool |
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| 15 | my_cypher(std::string const& value_in, boost::optional<std::string>& value_out) |
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| 16 | { |
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| 17 | size_t const cypher = 'A' - '1'; |
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| 18 | |
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| 19 | value_out = value_in; |
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| 20 | |
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| 21 | for (std::string::iterator it = value_out->begin(); it != value_out->end(); ++it) |
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| 22 | (*it < 'A') ? (*it += cypher) : (*it -= cypher); |
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| 23 | |
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| 24 | return true; |
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| 25 | } |
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| 26 | |
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| 27 | int |
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| 28 | main(int, char const* []) |
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| 29 | { |
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| 30 | //////////////////////////////////////////////////////////////////////////// |
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| 31 | // Testing custom converter. |
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| 32 | //////////////////////////////////////////////////////////////////////////// |
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| 33 | |
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| 34 | std::string encrypted = boost::convert<std::string>("ABC" , my_cypher).value(); |
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| 35 | std::string decrypted = boost::convert<std::string>(encrypted, my_cypher).value(); |
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| 36 | |
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| 37 | BOOST_TEST(encrypted == "123" ); |
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| 38 | BOOST_TEST(decrypted == "ABC" ); |
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| 39 | |
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| 40 | return boost::report_errors(); |
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| 41 | } |
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| 42 | |
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| 43 | #endif |
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| 44 | |
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