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authorRussell Yanofsky <russ@yanofsky.org>2020-04-15 17:07:44 -0400
committerRussell Yanofsky <russ@yanofsky.org>2020-04-15 17:07:44 -0400
commit9986608ba93de040490ee0d5584ea33e605f1df0 (patch)
tree1777a14d9a81dc6dbdb1314c29f139c76738d2f9 /src/test/interfaces_tests.cpp
parent4bd6bc5cb4f3c4b017cc0ac21c00c2218acb97d0 (diff)
downloadbitcoin-9986608ba93de040490ee0d5584ea33e605f1df0.tar.xz
test: Verify findCommonAncestor always initializes outputs
Also add code comment to clarify surprising code noted by practicalswift https://github.com/bitcoin/bitcoin/pull/18657#issuecomment-614278450
Diffstat (limited to 'src/test/interfaces_tests.cpp')
-rw-r--r--src/test/interfaces_tests.cpp6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/test/interfaces_tests.cpp b/src/test/interfaces_tests.cpp
index fab3571756..b0d4de89f3 100644
--- a/src/test/interfaces_tests.cpp
+++ b/src/test/interfaces_tests.cpp
@@ -116,6 +116,12 @@ BOOST_AUTO_TEST_CASE(findCommonAncestor)
BOOST_CHECK_EQUAL(orig_height, orig_tip->nHeight);
BOOST_CHECK_EQUAL(fork_height, orig_tip->nHeight - 10);
BOOST_CHECK_EQUAL(fork_hash, active[fork_height]->GetBlockHash());
+
+ uint256 active_hash, orig_hash;
+ BOOST_CHECK(!chain->findCommonAncestor(active.Tip()->GetBlockHash(), {}, {}, FoundBlock().hash(active_hash), {}));
+ BOOST_CHECK(!chain->findCommonAncestor({}, orig_tip->GetBlockHash(), {}, {}, FoundBlock().hash(orig_hash)));
+ BOOST_CHECK_EQUAL(active_hash, active.Tip()->GetBlockHash());
+ BOOST_CHECK_EQUAL(orig_hash, orig_tip->GetBlockHash());
}
BOOST_AUTO_TEST_CASE(hasBlocks)