ceph/src/boost/libs/contract/test/public_function/throwing_body_virtual_branch.cpp

   1
   2 // Copyright (C) 2008-2018 Lorenzo Caminiti
   3 // Distributed under the Boost Software License, Version 1.0 (see accompanying
   4 // file LICENSE_1_0.txt or a copy at http://www.boost.org/LICENSE_1_0.txt).
   5 // See: http://www.boost.org/doc/libs/release/libs/contract/doc/html/index.html
   6
   7 // Test virt pub func body throws with subcontr from middle of inheritance tree.
   8
   9 #include "smoke.hpp"
  10 #include <boost/optional.hpp>
  11 #include <boost/preprocessor/control/iif.hpp>
  12 #include <boost/detail/lightweight_test.hpp>
  13 #include <sstream>
  14
  15 int main() {
  16     std::ostringstream ok;
  17
  18     c cc; // Test call to class at mid- inheritance tree (as base with bases).
  19     s_type s; s.value = "X"; // So body will throw.
  20     out.str("");
  21     boost::optional<result_type&> r;
  22     try {
  23         r = cc.f(s);
  24         BOOST_TEST(false);
  25     } catch(except_error const&) {
  26         ok.str(""); ok
  27             #ifndef BOOST_CONTRACT_NO_ENTRY_INVARIANTS
  28                 << "d::static_inv" << std::endl
  29                 << "d::inv" << std::endl
  30                 << "e::static_inv" << std::endl
  31                 << "e::inv" << std::endl
  32                 << "c::static_inv" << std::endl
  33                 << "c::inv" << std::endl
  34             #endif
  35             #ifndef BOOST_CONTRACT_NO_PRECONDITIONS
  36                 << "d::f::pre" << std::endl
  37             #endif
  38             #ifndef BOOST_CONTRACT_NO_OLDS
  39                 << "d::f::old" << std::endl
  40                 << "e::f::old" << std::endl
  41                 << "c::f::old" << std::endl
  42             #endif
  43             << "c::f::body" << std::endl
  44             #ifndef BOOST_CONTRACT_NO_EXIT_INVARIANTS
  45                 << "d::static_inv" << std::endl
  46                 << "d::inv" << std::endl
  47                 << "e::static_inv" << std::endl
  48                 << "e::inv" << std::endl
  49                 << "c::static_inv" << std::endl
  50                 << "c::inv" << std::endl
  51             #endif
  52             #ifndef BOOST_CONTRACT_NO_EXCEPTS
  53                 << "d::f::old" << std::endl
  54                 << "d::f::except" << std::endl
  55                 << "e::f::old" << std::endl
  56                 << "e::f::except" << std::endl
  57                 // No old call here because not a base object.
  58                 << "c::f::except" << std::endl
  59             #endif
  60         ;
  61         BOOST_TEST(out.eq(ok.str()));
  62
  63         #ifndef BOOST_CONTRACT_NO_OLDS
  64             #define BOOST_CONTRACT_TEST_old 1u
  65         #else
  66             #define BOOST_CONTRACT_TEST_old 0u
  67         #endif
  68
  69         BOOST_TEST(!r); // Boost.Optional result not init (as body threw).
  70         BOOST_TEST_EQ(s.value, "X");
  71         BOOST_TEST_EQ(s.copies(), BOOST_CONTRACT_TEST_old * 3);
  72         BOOST_TEST_EQ(s.evals(), BOOST_CONTRACT_TEST_old * 3);
  73         BOOST_TEST_EQ(s.ctors(), s.dtors() + 1); // 1 for local var.
  74
  75         BOOST_TEST_EQ(cc.y.value, "c");
  76         BOOST_TEST_EQ(cc.y.copies(), BOOST_CONTRACT_TEST_old);
  77         BOOST_TEST_EQ(cc.y.evals(), BOOST_CONTRACT_TEST_old);
  78         BOOST_TEST_EQ(cc.y.ctors(), cc.y.dtors() + 1); // 1 for member var.
  79
  80         BOOST_TEST_EQ(cc.t<'d'>::z.value, "d");
  81         BOOST_TEST_EQ(cc.t<'d'>::z.copies(), BOOST_CONTRACT_TEST_old);
  82         BOOST_TEST_EQ(cc.t<'d'>::z.evals(), BOOST_CONTRACT_TEST_old);
  83         BOOST_TEST_EQ(cc.t<'d'>::z.ctors(), cc.t<'d'>::z.dtors() + 1); // 1 mem.
  84
  85         BOOST_TEST_EQ(cc.t<'e'>::z.value, "e");
  86         BOOST_TEST_EQ(cc.t<'e'>::z.copies(), BOOST_CONTRACT_TEST_old);
  87         BOOST_TEST_EQ(cc.t<'e'>::z.evals(), BOOST_CONTRACT_TEST_old);
  88         BOOST_TEST_EQ(cc.t<'e'>::z.ctors(), cc.t<'e'>::z.dtors() + 1); // 1 mem.
  89
  90         #undef BOOST_CONTRACT_TEST_old
  91     }
  92     return boost::report_errors();
  93 }
  94