// Copyright (c) 2012-2020 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 <test/util/setup_common.h>
#include <clientversion.h>
#include <streams.h>
#include <uint256.h>

#include <boost/test/unit_test.hpp>

BOOST_FIXTURE_TEST_SUITE(walletdb_tests, BasicTestingSetup)

BOOST_AUTO_TEST_CASE(walletdb_readkeyvalue)
{
    /**
     * When ReadKeyValue() reads from either a "key" or "wkey" it first reads the CDataStream steam into a
     * CPrivKey or CWalletKey respectively and then reads a hash of the pubkey and privkey into a uint256.
     * Wallets from 0.8 or before do not store the pubkey/privkey hash, trying to read the hash from old
     * wallets throws an exception, for backwards compatibility this read is wrapped in a try block to
     * silently fail. The test here makes sure the type of exception thrown from CDataStream::read()
     * matches the type we expect, otherwise we need to update the "key"/"wkey" exception type caught.
     */
    CDataStream ssValue(SER_DISK, CLIENT_VERSION);
    uint256 dummy;
    BOOST_CHECK_THROW(ssValue >> dummy, std::ios_base::failure);
}

BOOST_AUTO_TEST_SUITE_END()