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[Tests] check specific validation error in miner tests

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BOOST_CHECK_THROW merely checks that some std::runtime_error is
thrown, but not which one.

One example of how this could lead to a test passing when a developer
introduces a consensus bug: the test for the sigops limit assumes
that CreateNewBlock fails with bad-blk-sigops. However it can
also fail with bad-txns-vout-negative, e.g. if a naive developer lowers
BLOCKSUBSIDY to 1*COIN in the test.

BOOST_CHECK_EXCEPTION allows an additional predicate function. This
commit uses this for all exceptions that are checked for in
miner_tets.cpp:
* bad-blk-sigops
* bad-cb-multiple
* bad-txns-inputs-missingorspent
* block-validation-failed

An instance of the CheckRejectInvalid class (for a given validation string)
is passed to BOOST_CHECK_EXCEPTION.
This commit is contained in:
Sjors Provoost 2017-11-09 12:02:46 +01:00
parent f7388e93d3
commit 12781db058
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GPG key ID: 57FF9BDBCC301009
1 changed files with 19 additions and 5 deletions
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24
src/test/miner_tests.cpp
View file

@ -26,6 +26,17 @@
BOOST_FIXTURE_TEST_SUITE(miner_tests, TestingSetup)
// BOOST_CHECK_EXCEPTION predicates to check the specific validation error
class HasReason {
public:
HasReason(const std::string& reason) : m_reason(reason) {}
bool operator() (const std::runtime_error& e) const {
return std::string(e.what()).find(m_reason) != std::string::npos;
};
private:
const std::string m_reason;
};
static CFeeRate blockMinFeeRate = CFeeRate(DEFAULT_BLOCK_MIN_TX_FEE);
static BlockAssembler AssemblerForTest(const CChainParams& params) {
@ -264,7 +275,8 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
mempool.addUnchecked(hash, entry.Fee(LOWFEE).Time(GetTime()).SpendsCoinbase(spendsCoinbase).FromTx(tx));
tx.vin[0].prevout.hash = hash;
}
BOOST_CHECK_THROW(AssemblerForTest(chainparams).CreateNewBlock(scriptPubKey), std::runtime_error);
BOOST_CHECK_EXCEPTION(AssemblerForTest(chainparams).CreateNewBlock(scriptPubKey), std::runtime_error, HasReason("bad-blk-sigops"));
mempool.clear();
tx.vin[0].prevout.hash = txFirst[0]->GetHash();
@ -304,7 +316,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
// orphan in mempool, template creation fails
hash = tx.GetHash();
mempool.addUnchecked(hash, entry.Fee(LOWFEE).Time(GetTime()).FromTx(tx));
BOOST_CHECK_THROW(AssemblerForTest(chainparams).CreateNewBlock(scriptPubKey), std::runtime_error);
BOOST_CHECK_EXCEPTION(AssemblerForTest(chainparams).CreateNewBlock(scriptPubKey), std::runtime_error, HasReason("bad-txns-inputs-missingorspent"));
mempool.clear();
// child with higher feerate than parent
@ -332,7 +344,8 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
hash = tx.GetHash();
// give it a fee so it'll get mined
mempool.addUnchecked(hash, entry.Fee(LOWFEE).Time(GetTime()).SpendsCoinbase(false).FromTx(tx));
BOOST_CHECK_THROW(AssemblerForTest(chainparams).CreateNewBlock(scriptPubKey), std::runtime_error);
// Should throw bad-cb-multiple
BOOST_CHECK_EXCEPTION(AssemblerForTest(chainparams).CreateNewBlock(scriptPubKey), std::runtime_error, HasReason("bad-cb-multiple"));
mempool.clear();
// double spend txn pair in mempool, template creation fails
@ -345,7 +358,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
tx.vout[0].scriptPubKey = CScript() << OP_2;
hash = tx.GetHash();
mempool.addUnchecked(hash, entry.Fee(HIGHFEE).Time(GetTime()).SpendsCoinbase(true).FromTx(tx));
BOOST_CHECK_THROW(AssemblerForTest(chainparams).CreateNewBlock(scriptPubKey), std::runtime_error);
BOOST_CHECK_EXCEPTION(AssemblerForTest(chainparams).CreateNewBlock(scriptPubKey), std::runtime_error, HasReason("bad-txns-inputs-missingorspent"));
mempool.clear();
// subsidy changing
@ -389,7 +402,8 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
tx.vout[0].nValue -= LOWFEE;
hash = tx.GetHash();
mempool.addUnchecked(hash, entry.Fee(LOWFEE).Time(GetTime()).SpendsCoinbase(false).FromTx(tx));
BOOST_CHECK_THROW(AssemblerForTest(chainparams).CreateNewBlock(scriptPubKey), std::runtime_error);
// Should throw block-validation-failed
BOOST_CHECK_EXCEPTION(AssemblerForTest(chainparams).CreateNewBlock(scriptPubKey), std::runtime_error, HasReason("block-validation-failed"));
mempool.clear();
// Delete the dummy blocks again.