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-BEGIN VERIFY SCRIPT- # Move files for f in $(git ls-files src/test/lib/); do git mv $f src/test/util/; done git mv src/test/setup_common.cpp src/test/util/ git mv src/test/setup_common.h src/test/util/ # Replace Windows paths sed -i -e 's|\\setup_common|\\util\\setup_common|g' $(git grep -l '\\setup_common') sed -i -e 's|src\\test\\lib\\|src\\test\\util\\|g' build_msvc/test_bitcoin/test_bitcoin.vcxproj # Everything else sed -i -e 's|/setup_common|/util/setup_common|g' $(git grep -l 'setup_common') sed -i -e 's|test/lib/|test/util/|g' $(git grep -l 'test/lib/') # Fix include guard sed -i -e 's|BITCOIN_TEST_SETUP_COMMON_H|BITCOIN_TEST_UTIL_SETUP_COMMON_H|g' ./src/test/util/setup_common.h sed -i -e 's|BITCOIN_TEST_LIB_|BITCOIN_TEST_UTIL_|g' $(git grep -l 'BITCOIN_TEST_LIB_') -END VERIFY SCRIPT-
72 lines
1.9 KiB
C++
72 lines
1.9 KiB
C++
#include <boost/test/unit_test.hpp>
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#include <stdlib.h>
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#include <chain.h>
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#include <rpc/blockchain.h>
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#include <test/util/setup_common.h>
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/* Equality between doubles is imprecise. Comparison should be done
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* with a small threshold of tolerance, rather than exact equality.
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*/
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static bool DoubleEquals(double a, double b, double epsilon)
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{
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return std::abs(a - b) < epsilon;
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}
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static CBlockIndex* CreateBlockIndexWithNbits(uint32_t nbits)
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{
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CBlockIndex* block_index = new CBlockIndex();
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block_index->nHeight = 46367;
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block_index->nTime = 1269211443;
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block_index->nBits = nbits;
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return block_index;
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}
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static void RejectDifficultyMismatch(double difficulty, double expected_difficulty) {
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BOOST_CHECK_MESSAGE(
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DoubleEquals(difficulty, expected_difficulty, 0.00001),
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"Difficulty was " + std::to_string(difficulty)
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+ " but was expected to be " + std::to_string(expected_difficulty));
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}
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/* Given a BlockIndex with the provided nbits,
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* verify that the expected difficulty results.
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*/
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static void TestDifficulty(uint32_t nbits, double expected_difficulty)
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{
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CBlockIndex* block_index = CreateBlockIndexWithNbits(nbits);
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double difficulty = GetDifficulty(block_index);
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delete block_index;
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RejectDifficultyMismatch(difficulty, expected_difficulty);
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}
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BOOST_FIXTURE_TEST_SUITE(blockchain_tests, BasicTestingSetup)
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BOOST_AUTO_TEST_CASE(get_difficulty_for_very_low_target)
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{
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TestDifficulty(0x1f111111, 0.000001);
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}
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BOOST_AUTO_TEST_CASE(get_difficulty_for_low_target)
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{
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TestDifficulty(0x1ef88f6f, 0.000016);
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}
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BOOST_AUTO_TEST_CASE(get_difficulty_for_mid_target)
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{
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TestDifficulty(0x1df88f6f, 0.004023);
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}
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BOOST_AUTO_TEST_CASE(get_difficulty_for_high_target)
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{
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TestDifficulty(0x1cf88f6f, 1.029916);
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}
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BOOST_AUTO_TEST_CASE(get_difficulty_for_very_high_target)
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{
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TestDifficulty(0x12345678, 5913134931067755359633408.0);
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}
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BOOST_AUTO_TEST_SUITE_END()
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