ceph/src/boost/libs/lexical_cast/test/lexical_cast_abstract_test.cpp

   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 //
   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 abstract class. Bug 1358600:
  12 // http://sf.net/tracker/?func=detail&aid=1358600&group_id=7586&atid=107586
  13
  14 #include <boost/config.hpp>
  15
  16 #if defined(__INTEL_COMPILER)
  17 #pragma warning(disable: 193 383 488 981 1418 1419)
  18 #elif defined(BOOST_MSVC)
  19 #pragma warning(disable: 4097 4100 4121 4127 4146 4244 4245 4511 4512 4701 4800)
  20 #endif
  21
  22 #include <boost/lexical_cast.hpp>
  23 #include <boost/test/unit_test.hpp>
  24
  25 using namespace boost;
  26
  27 void test_abstract();
  28
  29 unit_test::test_suite *init_unit_test_suite(int, char *[])
  30 {
  31     unit_test::test_suite *suite =
  32         BOOST_TEST_SUITE("lexical_cast unit test");
  33     suite->add(BOOST_TEST_CASE(&test_abstract));
  34
  35     return suite;
  36 }
  37
  38 class A
  39 {
  40 public:
  41     virtual void out(std::ostream &) const = 0;
  42     virtual ~A() {}
  43 };
  44
  45 class B: public A
  46 {
  47 public:
  48     virtual void out(std::ostream &O) const { O << "B"; }
  49 };
  50
  51 std::ostream &operator<<(std::ostream &O, const A &a)
  52 {
  53     a.out(O);
  54     return O;
  55 }
  56
  57 void test_abstract()
  58 {
  59     const A &a = B();
  60     BOOST_CHECK(boost::lexical_cast<std::string>(a) == "B");
  61 }
  62