Pieter Wuille
10 years ago
2 changed files with 46 additions and 0 deletions
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// Copyright (c) 2014 The Bitcoin Core developers
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// Distributed under the MIT/X11 software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include <boost/test/unit_test.hpp> |
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#include <vector> |
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#include "main.h" |
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#include "util.h" |
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#define SKIPLIST_LENGTH 300000 |
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BOOST_AUTO_TEST_SUITE(skiplist_tests) |
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BOOST_AUTO_TEST_CASE(skiplist_test) |
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{ |
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std::vector<CBlockIndex> vIndex(SKIPLIST_LENGTH); |
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for (int i=0; i<SKIPLIST_LENGTH; i++) { |
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vIndex[i].nHeight = i; |
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vIndex[i].pprev = (i == 0) ? NULL : &vIndex[i - 1]; |
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vIndex[i].BuildSkip(); |
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} |
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for (int i=0; i<SKIPLIST_LENGTH; i++) { |
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if (i > 0) { |
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BOOST_CHECK(vIndex[i].pskip == &vIndex[vIndex[i].pskip->nHeight]); |
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BOOST_CHECK(vIndex[i].pskip->nHeight < i); |
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} else { |
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BOOST_CHECK(vIndex[i].pskip == NULL); |
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} |
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} |
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for (int i=0; i < 1000; i++) { |
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int from = insecure_rand() % (SKIPLIST_LENGTH - 1); |
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int to = insecure_rand() % (from + 1); |
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BOOST_CHECK(vIndex[SKIPLIST_LENGTH - 1].GetAncestor(from) == &vIndex[from]); |
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BOOST_CHECK(vIndex[from].GetAncestor(to) == &vIndex[to]); |
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BOOST_CHECK(vIndex[from].GetAncestor(0) == &vIndex[0]); |
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} |
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} |
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BOOST_AUTO_TEST_SUITE_END() |
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