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Add skiplist unit tests

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This commit is contained in:
Pieter Wuille 2014-06-29 15:26:58 +02:00
parent c9a0918330
commit 236982c2b6
2 changed files with 46 additions and 0 deletions
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1
src/Makefile.test.include
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@ -47,6 +47,7 @@ BITCOIN_TESTS =\
test/script_tests.cpp \
test/serialize_tests.cpp \
test/sigopcount_tests.cpp \
test/skiplist_tests.cpp \
test/test_bitcoin.cpp \
test/transaction_tests.cpp \
test/uint256_tests.cpp \

45
src/test/skiplist_tests.cpp Normal file
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@ -0,0 +1,45 @@
// Copyright (c) 2014 The Bitcoin Core developers
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include <boost/test/unit_test.hpp>
#include <vector>
#include "main.h"
#include "util.h"
#define SKIPLIST_LENGTH 300000
BOOST_AUTO_TEST_SUITE(skiplist_tests)
BOOST_AUTO_TEST_CASE(skiplist_test)
{
std::vector<CBlockIndex> vIndex(SKIPLIST_LENGTH);
for (int i=0; i<SKIPLIST_LENGTH; i++) {
vIndex[i].nHeight = i;
vIndex[i].pprev = (i == 0) ? NULL : &vIndex[i - 1];
vIndex[i].BuildSkip();
}
for (int i=0; i<SKIPLIST_LENGTH; i++) {
if (i > 0) {
BOOST_CHECK(vIndex[i].pskip == &vIndex[vIndex[i].pskip->nHeight]);
BOOST_CHECK(vIndex[i].pskip->nHeight < i);
} else {
BOOST_CHECK(vIndex[i].pskip == NULL);
}
}
for (int i=0; i < 1000; i++) {
int from = insecure_rand() % (SKIPLIST_LENGTH - 1);
int to = insecure_rand() % (from + 1);
BOOST_CHECK(vIndex[SKIPLIST_LENGTH - 1].GetAncestor(from) == &vIndex[from]);
BOOST_CHECK(vIndex[from].GetAncestor(to) == &vIndex[to]);
BOOST_CHECK(vIndex[from].GetAncestor(0) == &vIndex[0]);
}
}
BOOST_AUTO_TEST_SUITE_END()