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authorWladimir J. van der Laan <laanwj@gmail.com>2017-06-06 15:51:13 +0200
committerWladimir J. van der Laan <laanwj@gmail.com>2017-06-06 15:51:45 +0200
commit300f8e7a828f3ffaa3a3e9d979a6dc90f15d0203 (patch)
tree4a272b486083e8a4e3d0f676162f6464360a703c /src/test
parent980deaf0b1ccbf1b8cf21d1210bc9c42568753d0 (diff)
parentcf66f043687f124f84dc8e471865d7462537e3e7 (diff)
Merge #9909: tests: Add FindEarliestAtLeast test for edge cases
cf66f04 Add FindEarliestAtLeast test for edge cases (Russell Yanofsky) Tree-SHA512: bed2e9b2eefe0014414f1be8f0ba236b1dcc6744a670ffa546100c62817dd06a117cc62cdff80c4988d2b374cae9a57f2bb135fc582ffb51ca2d34ab07bb3fe0
Diffstat (limited to 'src/test')
-rw-r--r--src/test/skiplist_tests.cpp35
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()