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Add util::Ref class as temporary alternative for c++17 std::any

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This commit is contained in:
Russell Yanofsky
2020-04-17 11:15:55 -04:00
parent 04c09553d8
commit 691c817b34
5 changed files with 77 additions and 0 deletions
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33
src/test/ref_tests.cpp Normal file
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// Copyright (c) 2020 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include <util/ref.h>
#include <boost/test/unit_test.hpp>
BOOST_AUTO_TEST_SUITE(ref_tests)
BOOST_AUTO_TEST_CASE(ref_test)
{
util::Ref ref;
BOOST_CHECK(!ref.Has<int>());
BOOST_CHECK_THROW(ref.Get<int>(), NonFatalCheckError);
int value = 5;
ref.Set(value);
BOOST_CHECK(ref.Has<int>());
BOOST_CHECK_EQUAL(ref.Get<int>(), 5);
++ref.Get<int>();
BOOST_CHECK_EQUAL(ref.Get<int>(), 6);
BOOST_CHECK_EQUAL(value, 6);
++value;
BOOST_CHECK_EQUAL(value, 7);
BOOST_CHECK_EQUAL(ref.Get<int>(), 7);
BOOST_CHECK(!ref.Has<bool>());
BOOST_CHECK_THROW(ref.Get<bool>(), NonFatalCheckError);
ref.Clear();
BOOST_CHECK(!ref.Has<int>());
BOOST_CHECK_THROW(ref.Get<int>(), NonFatalCheckError);
}
BOOST_AUTO_TEST_SUITE_END()