| 1 | // Unit test for boost::lexical_cast. |
|---|---|
| 2 | // |
| 3 | // See http://www.boost.org for most recent version, including documentation. |
| 4 | // |
| 5 | // Copyright Sergey Shandar 2005, Alexander Nasonov, 2007. |
| 6 | // Copyright Antony Polukhin, 2023-2024. |
| 7 | // |
| 8 | // Distributed under the Boost |
| 9 | // Software License, Version 1.0. (See accompanying file |
| 10 | // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt). |
| 11 | // |
| 12 | // Test abstract class. Bug 1358600: |
| 13 | // http://sf.net/tracker/?func=detail&aid=1358600&group_id=7586&atid=107586 |
| 14 | |
| 15 | #include <boost/lexical_cast.hpp> |
| 16 | |
| 17 | #include <boost/core/lightweight_test.hpp> |
| 18 | |
| 19 | class A |
| 20 | { |
| 21 | public: |
| 22 | virtual void out(std::ostream &) const = 0; |
| 23 | virtual ~A() {} |
| 24 | }; |
| 25 | |
| 26 | class B: public A |
| 27 | { |
| 28 | public: |
| 29 | virtual void out(std::ostream &O) const { O << "B"; } |
| 30 | }; |
| 31 | |
| 32 | std::ostream &operator<<(std::ostream &O, const A &a) |
| 33 | { |
| 34 | a.out(O); |
| 35 | return O; |
| 36 | } |
| 37 | |
| 38 | void test_abstract() |
| 39 | { |
| 40 | const A &a = B(); |
| 41 | BOOST_TEST(boost::lexical_cast<std::string>(a) == "B"); |
| 42 | } |
| 43 | |
| 44 | int main() |
| 45 | { |
| 46 | test_abstract(); |
| 47 | return boost::report_errors(); |
| 48 | } |
| 49 | |
| 50 |