diff options
| -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() |