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lbrycrd/src/test/uint256_tests.cpp
Wladimir J. van der Laan 92fd887fd4 tests: add a BasicTestingSetup and apply to all tests 
Make sure that chainparams and logging is properly initialized. Doing
this for every test may be overkill, but this initialization is so
simple that that does not matter.

This should fix the travis issues.
2015-03-12 09:45:22 +01:00

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// Copyright (c) 2011-2013 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 "arith_uint256.h"
#include "uint256.h"
#include "version.h"
#include "test/test_bitcoin.h"
#include <boost/test/unit_test.hpp>
#include <stdint.h>
#include <sstream>
#include <iomanip>
#include <limits>
#include <cmath>
#include <string>
#include <stdio.h>
BOOST_FIXTURE_TEST_SUITE(uint256_tests, BasicTestingSetup)
const unsigned char R1Array[] =
"\x9c\x52\x4a\xdb\xcf\x56\x11\x12\x2b\x29\x12\x5e\x5d\x35\xd2\xd2"
"\x22\x81\xaa\xb5\x33\xf0\x08\x32\xd5\x56\xb1\xf9\xea\xe5\x1d\x7d";
const char R1ArrayHex[] = "7D1DE5EAF9B156D53208F033B5AA8122D2d2355d5e12292b121156cfdb4a529c";
const uint256 R1L = uint256(std::vector<unsigned char>(R1Array,R1Array+32));
const uint160 R1S = uint160(std::vector<unsigned char>(R1Array,R1Array+20));
const unsigned char R2Array[] =
"\x70\x32\x1d\x7c\x47\xa5\x6b\x40\x26\x7e\x0a\xc3\xa6\x9c\xb6\xbf"
"\x13\x30\x47\xa3\x19\x2d\xda\x71\x49\x13\x72\xf0\xb4\xca\x81\xd7";
const uint256 R2L = uint256(std::vector<unsigned char>(R2Array,R2Array+32));
const uint160 R2S = uint160(std::vector<unsigned char>(R2Array,R2Array+20));
const unsigned char ZeroArray[] =
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00";
const uint256 ZeroL = uint256(std::vector<unsigned char>(ZeroArray,ZeroArray+32));
const uint160 ZeroS = uint160(std::vector<unsigned char>(ZeroArray,ZeroArray+20));
const unsigned char OneArray[] =
"\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00";
const uint256 OneL = uint256(std::vector<unsigned char>(OneArray,OneArray+32));
const uint160 OneS = uint160(std::vector<unsigned char>(OneArray,OneArray+20));
const unsigned char MaxArray[] =
"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff";
const uint256 MaxL = uint256(std::vector<unsigned char>(MaxArray,MaxArray+32));
const uint160 MaxS = uint160(std::vector<unsigned char>(MaxArray,MaxArray+20));
std::string ArrayToString(const unsigned char A[], unsigned int width)
{
std::stringstream Stream;
Stream << std::hex;
for (unsigned int i = 0; i < width; ++i)
{
Stream<<std::setw(2)<<std::setfill('0')<<(unsigned int)A[width-i-1];
}
return Stream.str();
}
inline uint160 uint160S(const char *str)
{
uint160 rv;
rv.SetHex(str);
return rv;
}
inline uint160 uint160S(const std::string& str)
{
uint160 rv;
rv.SetHex(str);
return rv;
}
BOOST_AUTO_TEST_CASE( basics ) // constructors, equality, inequality
{
BOOST_CHECK(1 == 0+1);
// constructor uint256(vector<char>):
BOOST_CHECK(R1L.ToString() == ArrayToString(R1Array,32));
BOOST_CHECK(R1S.ToString() == ArrayToString(R1Array,20));
BOOST_CHECK(R2L.ToString() == ArrayToString(R2Array,32));
BOOST_CHECK(R2S.ToString() == ArrayToString(R2Array,20));
BOOST_CHECK(ZeroL.ToString() == ArrayToString(ZeroArray,32));
BOOST_CHECK(ZeroS.ToString() == ArrayToString(ZeroArray,20));
BOOST_CHECK(OneL.ToString() == ArrayToString(OneArray,32));
BOOST_CHECK(OneS.ToString() == ArrayToString(OneArray,20));
BOOST_CHECK(MaxL.ToString() == ArrayToString(MaxArray,32));
BOOST_CHECK(MaxS.ToString() == ArrayToString(MaxArray,20));
BOOST_CHECK(OneL.ToString() != ArrayToString(ZeroArray,32));
BOOST_CHECK(OneS.ToString() != ArrayToString(ZeroArray,20));
// == and !=
BOOST_CHECK(R1L != R2L && R1S != R2S);
BOOST_CHECK(ZeroL != OneL && ZeroS != OneS);
BOOST_CHECK(OneL != ZeroL && OneS != ZeroS);
BOOST_CHECK(MaxL != ZeroL && MaxS != ZeroS);
// String Constructor and Copy Constructor
BOOST_CHECK(uint256S("0x"+R1L.ToString()) == R1L);
BOOST_CHECK(uint256S("0x"+R2L.ToString()) == R2L);
BOOST_CHECK(uint256S("0x"+ZeroL.ToString()) == ZeroL);
BOOST_CHECK(uint256S("0x"+OneL.ToString()) == OneL);
BOOST_CHECK(uint256S("0x"+MaxL.ToString()) == MaxL);
BOOST_CHECK(uint256S(R1L.ToString()) == R1L);
BOOST_CHECK(uint256S(" 0x"+R1L.ToString()+" ") == R1L);
BOOST_CHECK(uint256S("") == ZeroL);
BOOST_CHECK(R1L == uint256S(R1ArrayHex));
BOOST_CHECK(uint256(R1L) == R1L);
BOOST_CHECK(uint256(ZeroL) == ZeroL);
BOOST_CHECK(uint256(OneL) == OneL);
BOOST_CHECK(uint160S("0x"+R1S.ToString()) == R1S);
BOOST_CHECK(uint160S("0x"+R2S.ToString()) == R2S);
BOOST_CHECK(uint160S("0x"+ZeroS.ToString()) == ZeroS);
BOOST_CHECK(uint160S("0x"+OneS.ToString()) == OneS);
BOOST_CHECK(uint160S("0x"+MaxS.ToString()) == MaxS);
BOOST_CHECK(uint160S(R1S.ToString()) == R1S);
BOOST_CHECK(uint160S(" 0x"+R1S.ToString()+" ") == R1S);
BOOST_CHECK(uint160S("") == ZeroS);
BOOST_CHECK(R1S == uint160S(R1ArrayHex));
BOOST_CHECK(uint160(R1S) == R1S);
BOOST_CHECK(uint160(ZeroS) == ZeroS);
BOOST_CHECK(uint160(OneS) == OneS);
}
BOOST_AUTO_TEST_CASE( comparison ) // <= >= < >
{
uint256 LastL;
for (int i = 255; i >= 0; --i) {
uint256 TmpL;
*(TmpL.begin() + (i>>3)) |= 1<<(7-(i&7));
BOOST_CHECK( LastL < TmpL );
LastL = TmpL;
}
BOOST_CHECK( ZeroL < R1L );
BOOST_CHECK( R2L < R1L );
BOOST_CHECK( ZeroL < OneL );
BOOST_CHECK( OneL < MaxL );
BOOST_CHECK( R1L < MaxL );
BOOST_CHECK( R2L < MaxL );
uint160 LastS;
for (int i = 159; i >= 0; --i) {
uint160 TmpS;
*(TmpS.begin() + (i>>3)) |= 1<<(7-(i&7));
BOOST_CHECK( LastS < TmpS );
LastS = TmpS;
}
BOOST_CHECK( ZeroS < R1S );
BOOST_CHECK( R2S < R1S );
BOOST_CHECK( ZeroS < OneS );
BOOST_CHECK( OneS < MaxS );
BOOST_CHECK( R1S < MaxS );
BOOST_CHECK( R2S < MaxS );
}
BOOST_AUTO_TEST_CASE( methods ) // GetHex SetHex begin() end() size() GetLow64 GetSerializeSize, Serialize, Unserialize
{
BOOST_CHECK(R1L.GetHex() == R1L.ToString());
BOOST_CHECK(R2L.GetHex() == R2L.ToString());
BOOST_CHECK(OneL.GetHex() == OneL.ToString());
BOOST_CHECK(MaxL.GetHex() == MaxL.ToString());
uint256 TmpL(R1L);
BOOST_CHECK(TmpL == R1L);
TmpL.SetHex(R2L.ToString()); BOOST_CHECK(TmpL == R2L);
TmpL.SetHex(ZeroL.ToString()); BOOST_CHECK(TmpL == uint256());
TmpL.SetHex(R1L.ToString());
BOOST_CHECK(memcmp(R1L.begin(), R1Array, 32)==0);
BOOST_CHECK(memcmp(TmpL.begin(), R1Array, 32)==0);
BOOST_CHECK(memcmp(R2L.begin(), R2Array, 32)==0);
BOOST_CHECK(memcmp(ZeroL.begin(), ZeroArray, 32)==0);
BOOST_CHECK(memcmp(OneL.begin(), OneArray, 32)==0);
BOOST_CHECK(R1L.size() == sizeof(R1L));
BOOST_CHECK(sizeof(R1L) == 32);
BOOST_CHECK(R1L.size() == 32);
BOOST_CHECK(R2L.size() == 32);
BOOST_CHECK(ZeroL.size() == 32);
BOOST_CHECK(MaxL.size() == 32);
BOOST_CHECK(R1L.begin() + 32 == R1L.end());
BOOST_CHECK(R2L.begin() + 32 == R2L.end());
BOOST_CHECK(OneL.begin() + 32 == OneL.end());
BOOST_CHECK(MaxL.begin() + 32 == MaxL.end());
BOOST_CHECK(TmpL.begin() + 32 == TmpL.end());
BOOST_CHECK(R1L.GetSerializeSize(0,PROTOCOL_VERSION) == 32);
BOOST_CHECK(ZeroL.GetSerializeSize(0,PROTOCOL_VERSION) == 32);
std::stringstream ss;
R1L.Serialize(ss,0,PROTOCOL_VERSION);
BOOST_CHECK(ss.str() == std::string(R1Array,R1Array+32));
TmpL.Unserialize(ss,0,PROTOCOL_VERSION);
BOOST_CHECK(R1L == TmpL);
ss.str("");
ZeroL.Serialize(ss,0,PROTOCOL_VERSION);
BOOST_CHECK(ss.str() == std::string(ZeroArray,ZeroArray+32));
TmpL.Unserialize(ss,0,PROTOCOL_VERSION);
BOOST_CHECK(ZeroL == TmpL);
ss.str("");
MaxL.Serialize(ss,0,PROTOCOL_VERSION);
BOOST_CHECK(ss.str() == std::string(MaxArray,MaxArray+32));
TmpL.Unserialize(ss,0,PROTOCOL_VERSION);
BOOST_CHECK(MaxL == TmpL);
ss.str("");
BOOST_CHECK(R1S.GetHex() == R1S.ToString());
BOOST_CHECK(R2S.GetHex() == R2S.ToString());
BOOST_CHECK(OneS.GetHex() == OneS.ToString());
BOOST_CHECK(MaxS.GetHex() == MaxS.ToString());
uint160 TmpS(R1S);
BOOST_CHECK(TmpS == R1S);
TmpS.SetHex(R2S.ToString()); BOOST_CHECK(TmpS == R2S);
TmpS.SetHex(ZeroS.ToString()); BOOST_CHECK(TmpS == uint160());
TmpS.SetHex(R1S.ToString());
BOOST_CHECK(memcmp(R1S.begin(), R1Array, 20)==0);
BOOST_CHECK(memcmp(TmpS.begin(), R1Array, 20)==0);
BOOST_CHECK(memcmp(R2S.begin(), R2Array, 20)==0);
BOOST_CHECK(memcmp(ZeroS.begin(), ZeroArray, 20)==0);
BOOST_CHECK(memcmp(OneS.begin(), OneArray, 20)==0);
BOOST_CHECK(R1S.size() == sizeof(R1S));
BOOST_CHECK(sizeof(R1S) == 20);
BOOST_CHECK(R1S.size() == 20);
BOOST_CHECK(R2S.size() == 20);
BOOST_CHECK(ZeroS.size() == 20);
BOOST_CHECK(MaxS.size() == 20);
BOOST_CHECK(R1S.begin() + 20 == R1S.end());
BOOST_CHECK(R2S.begin() + 20 == R2S.end());
BOOST_CHECK(OneS.begin() + 20 == OneS.end());
BOOST_CHECK(MaxS.begin() + 20 == MaxS.end());
BOOST_CHECK(TmpS.begin() + 20 == TmpS.end());
BOOST_CHECK(R1S.GetSerializeSize(0,PROTOCOL_VERSION) == 20);
BOOST_CHECK(ZeroS.GetSerializeSize(0,PROTOCOL_VERSION) == 20);
R1S.Serialize(ss,0,PROTOCOL_VERSION);
BOOST_CHECK(ss.str() == std::string(R1Array,R1Array+20));
TmpS.Unserialize(ss,0,PROTOCOL_VERSION);
BOOST_CHECK(R1S == TmpS);
ss.str("");
ZeroS.Serialize(ss,0,PROTOCOL_VERSION);
BOOST_CHECK(ss.str() == std::string(ZeroArray,ZeroArray+20));
TmpS.Unserialize(ss,0,PROTOCOL_VERSION);
BOOST_CHECK(ZeroS == TmpS);
ss.str("");
MaxS.Serialize(ss,0,PROTOCOL_VERSION);
BOOST_CHECK(ss.str() == std::string(MaxArray,MaxArray+20));
TmpS.Unserialize(ss,0,PROTOCOL_VERSION);
BOOST_CHECK(MaxS == TmpS);
ss.str("");
}
BOOST_AUTO_TEST_CASE( conversion )
{
BOOST_CHECK(ArithToUint256(UintToArith256(ZeroL)) == ZeroL);
BOOST_CHECK(ArithToUint256(UintToArith256(OneL)) == OneL);
BOOST_CHECK(ArithToUint256(UintToArith256(R1L)) == R1L);
BOOST_CHECK(ArithToUint256(UintToArith256(R2L)) == R2L);
BOOST_CHECK(UintToArith256(ZeroL) == 0);
BOOST_CHECK(UintToArith256(OneL) == 1);
BOOST_CHECK(ArithToUint256(0) == ZeroL);
BOOST_CHECK(ArithToUint256(1) == OneL);
BOOST_CHECK(arith_uint256(R1L.GetHex()) == UintToArith256(R1L));
BOOST_CHECK(arith_uint256(R2L.GetHex()) == UintToArith256(R2L));
BOOST_CHECK(R1L.GetHex() == UintToArith256(R1L).GetHex());
BOOST_CHECK(R2L.GetHex() == UintToArith256(R2L).GetHex());
}
BOOST_AUTO_TEST_SUITE_END()
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