projects / ceph.git / blame
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|---|---|---|
| 7c673cae FG |
1 | // Copyright (C) 2014 Andrzej Krzemienski. |
| 2 | // | |
| 3 | // Use, modification, and distribution is subject to the Boost Software | |
| 4 | // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at | |
| 5 | // http://www.boost.org/LICENSE_1_0.txt) | |
| 6 | // | |
| 7 | // See http://www.boost.org/lib/optional for documentation. | |
| 8 | // | |
| 9 | // You are welcome to contact the author at: akrzemi1@gmail.com | |
| 10 | ||
| 11 | ||
| 12 | #include "boost/optional/optional.hpp" | |
| 13 | ||
| 20effc67 | 14 | #ifdef BOOST_BORLANDC |
| 7c673cae FG |
15 | #pragma hdrstop |
| 16 | #endif | |
| 17 | ||
| 18 | #include "boost/core/addressof.hpp" | |
| 19 | #include "boost/core/enable_if.hpp" | |
| 20 | #include "boost/core/lightweight_test.hpp" | |
| 21 | #include "testable_classes.hpp" | |
| 22 | ||
| 23 | using boost::optional; | |
| 24 | using boost::none; | |
| 25 | ||
| 26 | template <typename T> | |
| 27 | void test_converting_ctor() | |
| 28 | { | |
| 29 | typename concrete_type_of<T>::type v1(1), v2(2); | |
| 30 | ||
| 31 | { | |
| 32 | optional<T&> o1 = v1, o1_ = v1, o2 = v2; | |
| 33 | ||
| 34 | BOOST_TEST(o1); | |
| 35 | BOOST_TEST(boost::addressof(*o1) == boost::addressof(v1)); | |
| 36 | BOOST_TEST(o1_); | |
| 37 | BOOST_TEST(boost::addressof(*o1_) == boost::addressof(v1)); | |
| 38 | BOOST_TEST(boost::addressof(*o1_) == boost::addressof(*o1)); | |
| 39 | ||
| 40 | BOOST_TEST(o2); | |
| 41 | BOOST_TEST(boost::addressof(*o2) == boost::addressof(v2)); | |
| 42 | BOOST_TEST(boost::addressof(*o2) != boost::addressof(*o1)); | |
| 43 | } | |
| 44 | { | |
| 45 | const optional<T&> o1 = v1, o1_ = v1, o2 = v2; | |
| 46 | ||
| 47 | BOOST_TEST(o1); | |
| 48 | BOOST_TEST(boost::addressof(*o1) == boost::addressof(v1)); | |
| 49 | BOOST_TEST(o1_); | |
| 50 | BOOST_TEST(boost::addressof(*o1_) == boost::addressof(v1)); | |
| 51 | BOOST_TEST(boost::addressof(*o1_) == boost::addressof(*o1)); | |
| 52 | ||
| 53 | BOOST_TEST(o2); | |
| 54 | BOOST_TEST(boost::addressof(*o2) == boost::addressof(v2)); | |
| 55 | BOOST_TEST(boost::addressof(*o2) != boost::addressof(*o1)); | |
| 56 | } | |
| 57 | } | |
| 58 | ||
| 59 | template <typename T> | |
| 60 | void test_converting_ctor_for_noconst_const() | |
| 61 | { | |
| 62 | typename concrete_type_of<T>::type v1(1), v2(2); | |
| 63 | ||
| 64 | { | |
| 65 | optional<const T&> o1 = v1, o1_ = v1, o2 = v2; | |
| 66 | ||
| 67 | BOOST_TEST(o1); | |
| 68 | BOOST_TEST(boost::addressof(*o1) == boost::addressof(v1)); | |
| 69 | BOOST_TEST(o1_); | |
| 70 | BOOST_TEST(boost::addressof(*o1_) == boost::addressof(v1)); | |
| 71 | BOOST_TEST(boost::addressof(*o1_) == boost::addressof(*o1)); | |
| 72 | ||
| 73 | BOOST_TEST(o2); | |
| 74 | BOOST_TEST(boost::addressof(*o2) == boost::addressof(v2)); | |
| 75 | BOOST_TEST(boost::addressof(*o2) != boost::addressof(*o1)); | |
| 76 | } | |
| 77 | { | |
| 78 | const optional<const T&> o1 = v1, o1_ = v1, o2 = v2; | |
| 79 | ||
| 80 | BOOST_TEST(o1); | |
| 81 | BOOST_TEST(boost::addressof(*o1) == boost::addressof(v1)); | |
| 82 | BOOST_TEST(o1_); | |
| 83 | BOOST_TEST(boost::addressof(*o1_) == boost::addressof(v1)); | |
| 84 | BOOST_TEST(boost::addressof(*o1_) == boost::addressof(*o1)); | |
| 85 | ||
| 86 | BOOST_TEST(o2); | |
| 87 | BOOST_TEST(boost::addressof(*o2) == boost::addressof(v2)); | |
| 88 | BOOST_TEST(boost::addressof(*o2) != boost::addressof(*o1)); | |
| 89 | } | |
| 90 | } | |
| 91 | ||
| 92 | template <typename T> | |
| 93 | void test_all_const_cases() | |
| 94 | { | |
| 95 | test_converting_ctor<T>(); | |
| f67539c2 | 96 | #ifndef BOOST_OPTIONAL_CONFIG_NO_PROPER_CONVERT_FROM_CONST_INT |
| 7c673cae | 97 | test_converting_ctor<const T>(); |
| f67539c2 | 98 | #endif |
| 7c673cae FG |
99 | test_converting_ctor_for_noconst_const<T>(); |
| 100 | } | |
| 101 | ||
| 102 | int main() | |
| 103 | { | |
| 104 | test_all_const_cases<int>(); | |
| 105 | test_all_const_cases<ScopeGuard>(); | |
| 106 | test_all_const_cases<Abstract>(); | |
| 107 | test_all_const_cases< optional<int> >(); | |
| 108 | ||
| 109 | return boost::report_errors(); | |
| 110 | } |