1 // Copyright (c) 2012-2013 The Bitcoin Core developers
2 // Distributed under the MIT/X11 software license, see the accompanying
3 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
5 #include "compressor.h"
10 #include <boost/test/unit_test.hpp>
12 // amounts 0.00000001 .. 0.00100000
13 #define NUM_MULTIPLES_UNIT 100000
15 // amounts 0.01 .. 100.00
16 #define NUM_MULTIPLES_CENT 10000
19 #define NUM_MULTIPLES_1BTC 10000
21 // amounts 50 .. 21000000
22 #define NUM_MULTIPLES_50BTC 420000
24 BOOST_AUTO_TEST_SUITE(compress_tests)
26 bool static TestEncode(uint64_t in) {
27 return in == CTxOutCompressor::DecompressAmount(CTxOutCompressor::CompressAmount(in));
30 bool static TestDecode(uint64_t in) {
31 return in == CTxOutCompressor::CompressAmount(CTxOutCompressor::DecompressAmount(in));
34 bool static TestPair(uint64_t dec, uint64_t enc) {
35 return CTxOutCompressor::CompressAmount(dec) == enc &&
36 CTxOutCompressor::DecompressAmount(enc) == dec;
39 BOOST_AUTO_TEST_CASE(compress_amounts)
41 BOOST_CHECK(TestPair( 0, 0x0));
42 BOOST_CHECK(TestPair( 1, 0x1));
43 BOOST_CHECK(TestPair( CENT, 0x7));
44 BOOST_CHECK(TestPair( COIN, 0x9));
45 BOOST_CHECK(TestPair( 50*COIN, 0x32));
46 BOOST_CHECK(TestPair(21000000*COIN, 0x1406f40));
48 for (uint64_t i = 1; i <= NUM_MULTIPLES_UNIT; i++)
49 BOOST_CHECK(TestEncode(i));
51 for (uint64_t i = 1; i <= NUM_MULTIPLES_CENT; i++)
52 BOOST_CHECK(TestEncode(i * CENT));
54 for (uint64_t i = 1; i <= NUM_MULTIPLES_1BTC; i++)
55 BOOST_CHECK(TestEncode(i * COIN));
57 for (uint64_t i = 1; i <= NUM_MULTIPLES_50BTC; i++)
58 BOOST_CHECK(TestEncode(i * 50 * COIN));
60 for (uint64_t i = 0; i < 100000; i++)
61 BOOST_CHECK(TestDecode(i));
64 BOOST_AUTO_TEST_SUITE_END()