ceph/src/Beast/test/core/handler_ptr.cpp

   1 //
   2 // Copyright (c) 2013-2017 Vinnie Falco (vinnie dot falco at gmail dot com)
   3 //
   4 // Distributed under the Boost Software License, Version 1.0. (See accompanying
   5 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   6 //
   7
   8 // Test that header file is self-contained.
   9 #include <beast/core/handler_ptr.hpp>
  10
  11 #include <beast/unit_test/suite.hpp>
  12 #include <exception>
  13 #include <utility>
  14
  15 namespace beast {
  16
  17 class handler_ptr_test : public beast::unit_test::suite
  18 {
  19 public:
  20     struct handler
  21     {
  22         handler() = default;
  23         handler(handler const&) = default;
  24
  25         void
  26         operator()(bool& b) const
  27         {
  28             b = true;
  29         }
  30     };
  31
  32     struct T
  33     {
  34         T(handler&)
  35         {
  36         }
  37
  38         ~T()
  39         {
  40         }
  41     };
  42
  43     struct U
  44     {
  45         U(handler&)
  46         {
  47             throw std::exception{};
  48         }
  49     };
  50
  51     void
  52     run() override
  53     {
  54         handler h;
  55         handler_ptr<T, handler> p1{h};
  56         handler_ptr<T, handler> p2{p1};
  57         try
  58         {
  59             handler_ptr<U, handler> p3{h};
  60             fail();
  61         }
  62         catch(std::exception const&)
  63         {
  64             pass();
  65         }
  66         catch(...)
  67         {
  68             fail();
  69         }
  70         handler_ptr<T, handler> p4{std::move(h)};
  71         bool b = false;
  72         p4.invoke(std::ref(b));
  73         BEAST_EXPECT(b);
  74     }
  75 };
  76
  77 BEAST_DEFINE_TESTSUITE(handler_ptr,core,beast);
  78
  79 } // beast
  80