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author | Russell Yanofsky <russ@yanofsky.org> | 2017-03-03 06:19:09 -0500 |
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committer | Russell Yanofsky <russ@yanofsky.org> | 2017-03-03 06:19:09 -0500 |
commit | cf66f043687f124f84dc8e471865d7462537e3e7 (patch) | |
tree | 8fc8fc3ce2771b26ae15da8d81483320d8612d89 | |
parent | 3fabae742567ecc060618c23d5fc01518fe96e60 (diff) | |
download | bitcoin-cf66f043687f124f84dc8e471865d7462537e3e7.tar.xz |
Add FindEarliestAtLeast test for edge cases
E.g. repeated max timestamps, extreme int64_t & unsigned int search values.
-rw-r--r-- | src/test/skiplist_tests.cpp | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/src/test/skiplist_tests.cpp b/src/test/skiplist_tests.cpp index 0b2fe0ef9d..900b4908f0 100644 --- a/src/test/skiplist_tests.cpp +++ b/src/test/skiplist_tests.cpp @@ -143,4 +143,39 @@ BOOST_AUTO_TEST_CASE(findearliestatleast_test) BOOST_CHECK(vBlocksMain[r].GetAncestor(ret->nHeight) == ret); } } + +BOOST_AUTO_TEST_CASE(findearliestatleast_edge_test) +{ + std::list<CBlockIndex> blocks; + for (unsigned int timeMax : {100, 100, 100, 200, 200, 200, 300, 300, 300}) { + CBlockIndex* prev = blocks.empty() ? nullptr : &blocks.back(); + blocks.emplace_back(); + blocks.back().nHeight = prev ? prev->nHeight + 1 : 0; + blocks.back().pprev = prev; + blocks.back().BuildSkip(); + blocks.back().nTimeMax = timeMax; + } + + CChain chain; + chain.SetTip(&blocks.back()); + + BOOST_CHECK_EQUAL(chain.FindEarliestAtLeast(50)->nHeight, 0); + BOOST_CHECK_EQUAL(chain.FindEarliestAtLeast(100)->nHeight, 0); + BOOST_CHECK_EQUAL(chain.FindEarliestAtLeast(150)->nHeight, 3); + BOOST_CHECK_EQUAL(chain.FindEarliestAtLeast(200)->nHeight, 3); + BOOST_CHECK_EQUAL(chain.FindEarliestAtLeast(250)->nHeight, 6); + BOOST_CHECK_EQUAL(chain.FindEarliestAtLeast(300)->nHeight, 6); + BOOST_CHECK(!chain.FindEarliestAtLeast(350)); + + BOOST_CHECK_EQUAL(chain.FindEarliestAtLeast(0)->nHeight, 0); + BOOST_CHECK_EQUAL(chain.FindEarliestAtLeast(-1)->nHeight, 0); + + BOOST_CHECK_EQUAL(chain.FindEarliestAtLeast(std::numeric_limits<int64_t>::min())->nHeight, 0); + BOOST_CHECK_EQUAL(chain.FindEarliestAtLeast(std::numeric_limits<unsigned int>::min())->nHeight, 0); + BOOST_CHECK_EQUAL(chain.FindEarliestAtLeast(-int64_t(std::numeric_limits<unsigned int>::max()) - 1)->nHeight, 0); + BOOST_CHECK(!chain.FindEarliestAtLeast(std::numeric_limits<int64_t>::max())); + BOOST_CHECK(!chain.FindEarliestAtLeast(std::numeric_limits<unsigned int>::max())); + BOOST_CHECK(!chain.FindEarliestAtLeast(int64_t(std::numeric_limits<unsigned int>::max()) + 1)); +} + BOOST_AUTO_TEST_SUITE_END() |