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// Copyright (c) 2012-2015 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include "compressor.h"
#include "util.h"
#include "test/test_bitcoin.h"
#include <stdint.h>
#include <boost/test/unit_test.hpp>
// amounts 0.00000001 .. 0.00100000
#define NUM_MULTIPLES_UNIT 100000
// amounts 0.01 .. 100.00
#define NUM_MULTIPLES_CENT 10000
// amounts 1 .. 10000
#define NUM_MULTIPLES_1BTC 10000
// amounts 50 .. 21000000
#define NUM_MULTIPLES_50BTC 420000
BOOST_FIXTURE_TEST_SUITE(compress_tests, BasicTestingSetup)
bool static TestEncode(uint64_t in) {
return in == CTxOutCompressor::DecompressAmount(CTxOutCompressor::CompressAmount(in));
}
bool static TestDecode(uint64_t in) {
return in == CTxOutCompressor::CompressAmount(CTxOutCompressor::DecompressAmount(in));
}
bool static TestPair(uint64_t dec, uint64_t enc) {
return CTxOutCompressor::CompressAmount(dec) == enc &&
CTxOutCompressor::DecompressAmount(enc) == dec;
}
BOOST_AUTO_TEST_CASE(compress_amounts)
{
BOOST_CHECK(TestPair( 0, 0x0));
BOOST_CHECK(TestPair( 1, 0x1));
BOOST_CHECK(TestPair( CENT, 0x7));
BOOST_CHECK(TestPair( COIN, 0x9));
BOOST_CHECK(TestPair( 50*COIN, 0x32));
BOOST_CHECK(TestPair(21000000*COIN, 0x1406f40));
for (uint64_t i = 1; i <= NUM_MULTIPLES_UNIT; i++)
BOOST_CHECK(TestEncode(i));
for (uint64_t i = 1; i <= NUM_MULTIPLES_CENT; i++)
BOOST_CHECK(TestEncode(i * CENT));
for (uint64_t i = 1; i <= NUM_MULTIPLES_1BTC; i++)
BOOST_CHECK(TestEncode(i * COIN));
for (uint64_t i = 1; i <= NUM_MULTIPLES_50BTC; i++)
BOOST_CHECK(TestEncode(i * 50 * COIN));
for (uint64_t i = 0; i < 100000; i++)
BOOST_CHECK(TestDecode(i));
}
BOOST_AUTO_TEST_SUITE_END()