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| -rw-r--r-- | src/Makefile.test.include | 1 | ||||
| -rw-r--r-- | src/test/validation_chainstate_tests.cpp | 76 |
2 files changed, 77 insertions, 0 deletions
diff --git a/src/Makefile.test.include b/src/Makefile.test.include index 2480cdadbb..a7a2d74c27 100644 --- a/src/Makefile.test.include +++ b/src/Makefile.test.include @@ -256,6 +256,7 @@ BITCOIN_TESTS =\ test/uint256_tests.cpp \ test/util_tests.cpp \ test/validation_block_tests.cpp \ + test/validation_chainstate_tests.cpp \ test/validation_chainstatemanager_tests.cpp \ test/validation_flush_tests.cpp \ test/validationinterface_tests.cpp \ diff --git a/src/test/validation_chainstate_tests.cpp b/src/test/validation_chainstate_tests.cpp new file mode 100644 index 0000000000..f531b393b8 --- /dev/null +++ b/src/test/validation_chainstate_tests.cpp @@ -0,0 +1,76 @@ +// 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 <random.h> +#include <uint256.h> +#include <consensus/validation.h> +#include <sync.h> +#include <test/util/setup_common.h> +#include <validation.h> + +#include <vector> + +#include <boost/test/unit_test.hpp> + +BOOST_FIXTURE_TEST_SUITE(validation_chainstate_tests, TestingSetup) + +//! Test resizing coins-related CChainState caches during runtime. +//! +BOOST_AUTO_TEST_CASE(validation_chainstate_resize_caches) +{ + ChainstateManager manager; + + //! Create and add a Coin with DynamicMemoryUsage of 80 bytes to the given view. + auto add_coin = [](CCoinsViewCache& coins_view) -> COutPoint { + Coin newcoin; + uint256 txid = InsecureRand256(); + COutPoint outp{txid, 0}; + newcoin.nHeight = 1; + newcoin.out.nValue = InsecureRand32(); + newcoin.out.scriptPubKey.assign((uint32_t)56, 1); + coins_view.AddCoin(outp, std::move(newcoin), false); + + return outp; + }; + + ENTER_CRITICAL_SECTION(cs_main); + CChainState& c1 = manager.InitializeChainstate(); + LEAVE_CRITICAL_SECTION(cs_main); + c1.InitCoinsDB( + /* cache_size_bytes */ 1 << 23, /* in_memory */ true, /* should_wipe */ false); + WITH_LOCK(::cs_main, c1.InitCoinsCache(1 << 23)); + + // Add a coin to the in-memory cache, upsize once, then downsize. + { + LOCK(::cs_main); + auto outpoint = add_coin(c1.CoinsTip()); + + // Set a meaningless bestblock value in the coinsview cache - otherwise we won't + // flush during ResizecoinsCaches() and will subsequently hit an assertion. + c1.CoinsTip().SetBestBlock(InsecureRand256()); + + BOOST_CHECK(c1.CoinsTip().HaveCoinInCache(outpoint)); + + c1.ResizeCoinsCaches( + 1 << 24, // upsizing the coinsview cache + 1 << 22 // downsizing the coinsdb cache + ); + + // View should still have the coin cached, since we haven't destructed the cache on upsize. + BOOST_CHECK(c1.CoinsTip().HaveCoinInCache(outpoint)); + + c1.ResizeCoinsCaches( + 1 << 22, // downsizing the coinsview cache + 1 << 23 // upsizing the coinsdb cache + ); + + // The view cache should be empty since we had to destruct to downsize. + BOOST_CHECK(!c1.CoinsTip().HaveCoinInCache(outpoint)); + } + + // Avoid triggering the address sanitizer. + WITH_LOCK(::cs_main, manager.Unload()); +} + +BOOST_AUTO_TEST_SUITE_END() |