From 82c3b3f8e07f0572327275841333256fa3e679e3 Mon Sep 17 00:00:00 2001 From: practicalswift Date: Mon, 4 Mar 2019 19:52:50 +0100 Subject: [PATCH] Remove sharp edge (uninitialized m_filter_type) when using the compiler-generated constructor for BlockFilter --- src/blockfilter.cpp | 2 ++ src/blockfilter.h | 5 +++-- src/test/blockfilter_tests.cpp | 6 ++++++ 3 files changed, 11 insertions(+), 2 deletions(-) diff --git a/src/blockfilter.cpp b/src/blockfilter.cpp index bcf24047ff..e15213c552 100644 --- a/src/blockfilter.cpp +++ b/src/blockfilter.cpp @@ -251,6 +251,8 @@ bool BlockFilter::BuildParams(GCSFilter::Params& params) const params.m_P = BASIC_FILTER_P; params.m_M = BASIC_FILTER_M; return true; + case BlockFilterType::INVALID: + return false; } return false; diff --git a/src/blockfilter.h b/src/blockfilter.h index 4d1f51dd60..e5e087ed5a 100644 --- a/src/blockfilter.h +++ b/src/blockfilter.h @@ -83,9 +83,10 @@ public: constexpr uint8_t BASIC_FILTER_P = 19; constexpr uint32_t BASIC_FILTER_M = 784931; -enum BlockFilterType : uint8_t +enum class BlockFilterType : uint8_t { BASIC = 0, + INVALID = 255, }; /** @@ -95,7 +96,7 @@ enum BlockFilterType : uint8_t class BlockFilter { private: - BlockFilterType m_filter_type; + BlockFilterType m_filter_type = BlockFilterType::INVALID; uint256 m_block_hash; GCSFilter m_filter; diff --git a/src/test/blockfilter_tests.cpp b/src/test/blockfilter_tests.cpp index 625362f446..cd0c36d802 100644 --- a/src/test/blockfilter_tests.cpp +++ b/src/test/blockfilter_tests.cpp @@ -112,6 +112,12 @@ BOOST_AUTO_TEST_CASE(blockfilter_basic_test) BOOST_CHECK_EQUAL(block_filter.GetFilterType(), block_filter2.GetFilterType()); BOOST_CHECK_EQUAL(block_filter.GetBlockHash(), block_filter2.GetBlockHash()); BOOST_CHECK(block_filter.GetEncodedFilter() == block_filter2.GetEncodedFilter()); + + BlockFilter default_ctor_block_filter_1; + BlockFilter default_ctor_block_filter_2; + BOOST_CHECK_EQUAL(default_ctor_block_filter_1.GetFilterType(), default_ctor_block_filter_2.GetFilterType()); + BOOST_CHECK_EQUAL(default_ctor_block_filter_1.GetBlockHash(), default_ctor_block_filter_2.GetBlockHash()); + BOOST_CHECK(default_ctor_block_filter_1.GetEncodedFilter() == default_ctor_block_filter_2.GetEncodedFilter()); } BOOST_AUTO_TEST_CASE(blockfilters_json_test)