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Extend coins_tests

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This commit is contained in:
Pieter Wuille 2017-05-21 12:01:29 -07:00
parent 5083079688
commit ce23efaa5c
1 changed files with 45 additions and 11 deletions
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56
src/test/coins_tests.cpp
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@ -87,9 +87,12 @@ public:
{
// Manually recompute the dynamic usage of the whole data, and compare it.
size_t ret = memusage::DynamicUsage(cacheCoins);
size_t count = 0;
for (CCoinsMap::iterator it = cacheCoins.begin(); it != cacheCoins.end(); it++) {
ret += it->second.coins.DynamicMemoryUsage();
++count;
}
BOOST_CHECK_EQUAL(GetCacheSize(), count);
BOOST_CHECK_EQUAL(DynamicMemoryUsage(), ret);
}
@ -118,10 +121,12 @@ BOOST_AUTO_TEST_CASE(coins_cache_simulation_test)
bool removed_all_caches = false;
bool reached_4_caches = false;
bool added_an_entry = false;
bool added_an_unspendable_entry = false;
bool removed_an_entry = false;
bool updated_an_entry = false;
bool found_an_entry = false;
bool missed_an_entry = false;
bool uncached_an_entry = false;
// A simple map to track what we expect the cache stack to represent.
std::map<COutPoint, Coin> result;
@ -143,36 +148,49 @@ BOOST_AUTO_TEST_CASE(coins_cache_simulation_test)
{
uint256 txid = txids[insecure_rand() % txids.size()]; // txid we're going to modify in this iteration.
Coin& coin = result[COutPoint(txid, 0)];
const Coin& entry = stack.back()->AccessCoin(COutPoint(txid, 0));
const Coin& entry = (insecure_rand() % 500 == 0) ? AccessByTxid(*stack.back(), txid) : stack.back()->AccessCoin(COutPoint(txid, 0));
BOOST_CHECK(coin == entry);
if (insecure_rand() % 5 == 0 || coin.IsPruned()) {
if (coin.IsPruned()) {
added_an_entry = true;
Coin newcoin;
newcoin.out.nValue = insecure_rand();
newcoin.nHeight = 1;
if (insecure_rand() % 16 == 0 && coin.IsPruned()) {
newcoin.out.scriptPubKey.assign(1 + (insecure_rand() & 0x3F), OP_RETURN);
BOOST_CHECK(newcoin.out.scriptPubKey.IsUnspendable());
added_an_unspendable_entry = true;
} else {
updated_an_entry = true;
newcoin.out.scriptPubKey.assign(insecure_rand() & 0x3F, 0); // Random sizes so we can test memory usage accounting
(coin.IsPruned() ? added_an_entry : updated_an_entry) = true;
coin = newcoin;
}
coin.out.nValue = insecure_rand();
coin.nHeight = 1;
stack.back()->AddCoin(COutPoint(txid, 0), std::move(newcoin), !coin.IsPruned() || insecure_rand() & 1);
} else {
coin.Clear();
removed_an_entry = true;
}
if (coin.IsPruned()) {
coin.Clear();
stack.back()->SpendCoin(COutPoint(txid, 0));
} else {
stack.back()->AddCoin(COutPoint(txid, 0), Coin(coin), true);
}
}
// One every 10 iterations, remove a random entry from the cache
if (insecure_rand() % 10) {
COutPoint out(txids[insecure_rand() % txids.size()], 0);
int cacheid = insecure_rand() % stack.size();
stack[cacheid]->Uncache(out);
uncached_an_entry |= !stack[cacheid]->HaveCoinsInCache(out);
}
// Once every 1000 iterations and at the end, verify the full cache.
if (insecure_rand() % 1000 == 1 || i == NUM_SIMULATION_ITERATIONS - 1) {
for (auto it = result.begin(); it != result.end(); it++) {
bool have = stack.back()->HaveCoins(it->first);
const Coin& coin = stack.back()->AccessCoin(it->first);
BOOST_CHECK(have == !coin.IsPruned());
BOOST_CHECK(coin == it->second);
if (coin.IsPruned()) {
missed_an_entry = true;
} else {
BOOST_CHECK(stack.back()->HaveCoinsInCache(it->first));
found_an_entry = true;
}
}
@ -222,10 +240,12 @@ BOOST_AUTO_TEST_CASE(coins_cache_simulation_test)
BOOST_CHECK(removed_all_caches);
BOOST_CHECK(reached_4_caches);
BOOST_CHECK(added_an_entry);
BOOST_CHECK(added_an_unspendable_entry);
BOOST_CHECK(removed_an_entry);
BOOST_CHECK(updated_an_entry);
BOOST_CHECK(found_an_entry);
BOOST_CHECK(missed_an_entry);
BOOST_CHECK(uncached_an_entry);
}
// Store of all necessary tx and undo data for next test
@ -275,6 +295,7 @@ BOOST_AUTO_TEST_CASE(updatecoins_simulation_test)
tx.vin.resize(1);
tx.vout.resize(1);
tx.vout[0].nValue = i; //Keep txs unique unless intended to duplicate
tx.vout[0].scriptPubKey.assign(insecure_rand() & 0x3F, 0); // Random sizes so we can test memory usage accounting
unsigned int height = insecure_rand();
Coin oldcoins;
@ -393,11 +414,24 @@ BOOST_AUTO_TEST_CASE(updatecoins_simulation_test)
// Once every 1000 iterations and at the end, verify the full cache.
if (insecure_rand() % 1000 == 1 || i == NUM_SIMULATION_ITERATIONS - 1) {
for (auto it = result.begin(); it != result.end(); it++) {
bool have = stack.back()->HaveCoins(it->first);
const Coin& coin = stack.back()->AccessCoin(it->first);
BOOST_CHECK(have == !coin.IsPruned());
BOOST_CHECK(coin == it->second);
}
}
// One every 10 iterations, remove a random entry from the cache
if (utxoset.size() > 1 && insecure_rand() % 30) {
stack[insecure_rand() % stack.size()]->Uncache(FindRandomFrom(utxoset)->first);
}
if (disconnectedids.size() > 1 && insecure_rand() % 30) {
stack[insecure_rand() % stack.size()]->Uncache(FindRandomFrom(disconnectedids)->first);
}
if (duplicateids.size() > 1 && insecure_rand() % 30) {
stack[insecure_rand() % stack.size()]->Uncache(FindRandomFrom(duplicateids)->first);
}
if (insecure_rand() % 100 == 0) {
// Every 100 iterations, flush an intermediate cache
if (stack.size() > 1 && insecure_rand() % 2 == 0) {