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-rw-r--r--src/test/dogecoin_tests.cpp95
1 files changed, 92 insertions, 3 deletions
diff --git a/src/test/dogecoin_tests.cpp b/src/test/dogecoin_tests.cpp
index f1d60f709..b5d7716d5 100644
--- a/src/test/dogecoin_tests.cpp
+++ b/src/test/dogecoin_tests.cpp
@@ -83,7 +83,7 @@ BOOST_AUTO_TEST_CASE(subsidy_limit_test)
CAmount nSubsidy = GetDogecoinBlockSubsidy(nHeight, params, prevHash);
CAmount nExpectedSubsidy = (500000 >> (nHeight / 100000)) * COIN;
BOOST_CHECK(MoneyRange(nSubsidy));
- BOOST_CHECK(nSubsidy == nExpectedSubsidy);
+ BOOST_CHECK_EQUAL(nSubsidy, nExpectedSubsidy);
nSum += nSubsidy * nStepSize;
}
@@ -96,10 +96,99 @@ BOOST_AUTO_TEST_CASE(subsidy_limit_test)
// Test reward at 600k+ is constant
CAmount nConstantSubsidy = GetDogecoinBlockSubsidy(600000, params, prevHash);
- BOOST_CHECK(nConstantSubsidy == 10000 * COIN);
+ BOOST_CHECK_EQUAL(nConstantSubsidy, 10000 * COIN);
nConstantSubsidy = GetDogecoinBlockSubsidy(700000, params, prevHash);
- BOOST_CHECK(nConstantSubsidy == 10000 * COIN);
+ BOOST_CHECK_EQUAL(nConstantSubsidy, 10000 * COIN);
+}
+
+BOOST_AUTO_TEST_CASE(get_next_work_difficulty_limit)
+{
+ SelectParams(CBaseChainParams::MAIN);
+ const Consensus::Params& params = Params().GetConsensus();
+
+ CBlockIndex pindexLast;
+ int64_t nLastRetargetTime = 1386474927; // Block # 1
+
+ pindexLast.nHeight = 239;
+ pindexLast.nTime = 1386475638; // Block #239
+ pindexLast.nBits = 0x1e0ffff0;
+ BOOST_CHECK_EQUAL(CalculateDogecoinNextWorkRequired(&pindexLast, nLastRetargetTime, params), 0x1e00ffff);
+}
+
+BOOST_AUTO_TEST_CASE(get_next_work_pre_digishield)
+{
+ SelectParams(CBaseChainParams::MAIN);
+ const Consensus::Params& params = Params().GetConsensus();
+
+ CBlockIndex pindexLast;
+ int64_t nLastRetargetTime = 1386942008; // Block 9359
+
+ pindexLast.nHeight = 9599;
+ pindexLast.nTime = 1386954113;
+ pindexLast.nBits = 0x1c1a1206;
+ BOOST_CHECK_EQUAL(CalculateDogecoinNextWorkRequired(&pindexLast, nLastRetargetTime, params), 0x1c15ea59);
+}
+
+BOOST_AUTO_TEST_CASE(get_next_work_digishield)
+{
+ SelectParams(CBaseChainParams::MAIN);
+ const Consensus::Params& params = Params().GetConsensus();
+
+ CBlockIndex pindexLast;
+ int64_t nLastRetargetTime = 1395094427;
+
+ // First hard-fork at 145,000, which applies to block 145,001 onwards
+ pindexLast.nHeight = 145000;
+ pindexLast.nTime = 1395094679;
+ pindexLast.nBits = 0x1b499dfd;
+ BOOST_CHECK_EQUAL(CalculateDogecoinNextWorkRequired(&pindexLast, nLastRetargetTime, params), 0x1b671062);
+}
+
+BOOST_AUTO_TEST_CASE(get_next_work_digishield_modulated_upper)
+{
+ SelectParams(CBaseChainParams::MAIN);
+ const Consensus::Params& params = Params().GetConsensus();
+
+ CBlockIndex pindexLast;
+ int64_t nLastRetargetTime = 1395100835;
+
+ // Test the upper bound on modulated time using mainnet block #145,107
+ pindexLast.nHeight = 145107;
+ pindexLast.nTime = 1395101360;
+ pindexLast.nBits = 0x1b3439cd;
+ BOOST_CHECK_EQUAL(CalculateDogecoinNextWorkRequired(&pindexLast, nLastRetargetTime, params), 0x1b4e56b3);
+}
+
+BOOST_AUTO_TEST_CASE(get_next_work_digishield_modulated_lower)
+{
+ SelectParams(CBaseChainParams::MAIN);
+ const Consensus::Params& params = Params().GetConsensus();
+
+ CBlockIndex pindexLast;
+ int64_t nLastRetargetTime = 1395380517;
+
+ // Test the lower bound on modulated time using mainnet block #149,423
+ pindexLast.nHeight = 149423;
+ pindexLast.nTime = 1395380447;
+ pindexLast.nBits = 0x1b446f21;
+ BOOST_CHECK_EQUAL(CalculateDogecoinNextWorkRequired(&pindexLast, nLastRetargetTime, params), 0x1b335358);
+}
+
+BOOST_AUTO_TEST_CASE(get_next_work_digishield_rounding)
+{
+ SelectParams(CBaseChainParams::MAIN);
+ const Consensus::Params& params = Params().GetConsensus();
+
+ CBlockIndex pindexLast;
+ int64_t nLastRetargetTime = 1395094679;
+
+ // Test case for correct rounding of modulated time - this depends on
+ // handling of integer division, and is not obvious from the code
+ pindexLast.nHeight = 145001;
+ pindexLast.nTime = 1395094727;
+ pindexLast.nBits = 0x1b671062;
+ BOOST_CHECK_EQUAL(CalculateDogecoinNextWorkRequired(&pindexLast, nLastRetargetTime, params), 0x1b6558a4);
}
BOOST_AUTO_TEST_SUITE_END()