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cd490905be
dash/src/test/uint256_tests.cpp
Wladimir J. van der Laan 19a2d668cf Merge #9039: Various serialization simplifcations and optimizations 
d59a518 Use fixed preallocation instead of costly GetSerializeSize (Pieter Wuille)
25a211a Add optimized CSizeComputer serializers (Pieter Wuille)
a2929a2 Make CSerAction's ForRead() constexpr (Pieter Wuille)
a603925 Avoid -Wshadow errors (Pieter Wuille)
5284721 Get rid of nType and nVersion (Pieter Wuille)
657e05a Make GetSerializeSize a wrapper on top of CSizeComputer (Pieter Wuille)
fad9b66 Make nType and nVersion private and sometimes const (Pieter Wuille)
c2c5d42 Make streams' read and write return void (Pieter Wuille)
50e8a9c Remove unused ReadVersion and WriteVersion (Pieter Wuille)
2018-01-15 06:14:15 +01:00

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// Copyright (c) 2011-2015 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 "arith_uint256.h"
#include "uint256.h"
#include "version.h"
#include "test/test_dash.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(GetSerializeSize(R1L, 0, PROTOCOL_VERSION) == 32);
BOOST_CHECK(GetSerializeSize(ZeroL, 0, PROTOCOL_VERSION) == 32);
CDataStream ss(0, PROTOCOL_VERSION);
ss << R1L;
BOOST_CHECK(ss.str() == std::string(R1Array,R1Array+32));
ss >> TmpL;
BOOST_CHECK(R1L == TmpL);
ss.clear();
ss << ZeroL;
BOOST_CHECK(ss.str() == std::string(ZeroArray,ZeroArray+32));
ss >> TmpL;
BOOST_CHECK(ZeroL == TmpL);
ss.clear();
ss << MaxL;
BOOST_CHECK(ss.str() == std::string(MaxArray,MaxArray+32));
ss >> TmpL;
BOOST_CHECK(MaxL == TmpL);
ss.clear();
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(GetSerializeSize(R1S, 0, PROTOCOL_VERSION) == 20);
BOOST_CHECK(GetSerializeSize(ZeroS, 0, PROTOCOL_VERSION) == 20);
ss << R1S;
BOOST_CHECK(ss.str() == std::string(R1Array,R1Array+20));
ss >> TmpS;
BOOST_CHECK(R1S == TmpS);
ss.clear();
ss << ZeroS;
BOOST_CHECK(ss.str() == std::string(ZeroArray,ZeroArray+20));
ss >> TmpS;
BOOST_CHECK(ZeroS == TmpS);
ss.clear();
ss << MaxS;
BOOST_CHECK(ss.str() == std::string(MaxArray,MaxArray+20));
ss >> TmpS;
BOOST_CHECK(MaxS == TmpS);
ss.clear();
}
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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