| 1 | // Unit test for boost::lexical_cast. |
|---|---|
| 2 | // |
| 3 | // See http://www.boost.org for most recent version, including documentation. |
| 4 | // |
| 5 | // Copyright Antony Polukhin, 2013-2024. |
| 6 | // |
| 7 | // Distributed under the Boost |
| 8 | // Software License, Version 1.0. (See accompanying file |
| 9 | // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt). |
| 10 | // |
| 11 | // Test lexical_cast usage with long filesystem::path. Bug 7704. |
| 12 | |
| 13 | #include <boost/lexical_cast.hpp> |
| 14 | |
| 15 | #include <boost/core/lightweight_test.hpp> |
| 16 | #include <boost/filesystem/path.hpp> |
| 17 | |
| 18 | void test_filesystem() |
| 19 | { |
| 20 | boost::filesystem::path p; |
| 21 | std::string s1 = "aaaaaaaaaaaaaaaaaaaaaaa"; |
| 22 | p = boost::lexical_cast<boost::filesystem::path>(arg: s1); |
| 23 | BOOST_TEST(!p.empty()); |
| 24 | BOOST_TEST_EQ(p, s1); |
| 25 | p.clear(); |
| 26 | |
| 27 | const char ab[] = "aaaaaaaaaaaaaaaaaaaaaaabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb"; |
| 28 | p = boost::lexical_cast<boost::filesystem::path>(arg: ab); |
| 29 | BOOST_TEST(!p.empty()); |
| 30 | BOOST_TEST_EQ(p, ab); |
| 31 | |
| 32 | // Tests for |
| 33 | // https://github.com/boostorg/lexical_cast/issues/25 |
| 34 | |
| 35 | const char quoted_path[] = "\"/home/my user\""; |
| 36 | p = boost::lexical_cast<boost::filesystem::path>(arg: quoted_path); |
| 37 | BOOST_TEST(!p.empty()); |
| 38 | const char unquoted_path[] = "/home/my user"; |
| 39 | BOOST_TEST_EQ(p, boost::filesystem::path(unquoted_path)); |
| 40 | |
| 41 | // Converting back to std::string gives the initial string |
| 42 | BOOST_TEST_EQ(boost::lexical_cast<std::string>(p), quoted_path); |
| 43 | |
| 44 | try { |
| 45 | // Without quotes the path will have only `/home/my` in it. |
| 46 | // `user` remains in the stream, so an exception must be thrown. |
| 47 | p = boost::lexical_cast<boost::filesystem::path>(arg: unquoted_path); |
| 48 | BOOST_TEST(false); |
| 49 | } catch (const boost::bad_lexical_cast& ) { |
| 50 | // Exception is expected |
| 51 | } |
| 52 | } |
| 53 | |
| 54 | int main() |
| 55 | { |
| 56 | test_filesystem(); |
| 57 | |
| 58 | return boost::report_errors(); |
| 59 | } |
| 60 | |
| 61 |