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Merge pull request #3422 

daa6b20 Unittests for uint256.h (Thomas Holenstein)
e85e19b Changed Get64(.) to GetLow64() (Thomas Holenstein)
0.10
Wladimir J. van der Laan 11 years ago
parent
a867f4556b daa6b20e29
commit
ab086e0bd3
No known key found for this signature in database
GPG Key ID: 74810B012346C9A6
5 changed files with 628 additions and 193 deletions
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  1. 8
      src/addrman.cpp
  2. 2
      src/test/Makefile.am
  3. 20
      src/test/uint160_tests.cpp
  4. 634
      src/test/uint256_tests.cpp
  5. 157
      src/uint256.h

8
src/addrman.cpp
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@ -14,12 +14,12 @@ int CAddrInfo::GetTriedBucket(const std::vector<unsigned char> &nKey) const @@ -14,12 +14,12 @@ int CAddrInfo::GetTriedBucket(const std::vector<unsigned char> &nKey) const
CDataStream ss1(SER_GETHASH, 0);
std::vector<unsigned char> vchKey = GetKey();
ss1 << nKey << vchKey;
uint64_t hash1 = Hash(ss1.begin(), ss1.end()).Get64();
uint64_t hash1 = Hash(ss1.begin(), ss1.end()).GetLow64();
CDataStream ss2(SER_GETHASH, 0);
std::vector<unsigned char> vchGroupKey = GetGroup();
ss2 << nKey << vchGroupKey << (hash1 % ADDRMAN_TRIED_BUCKETS_PER_GROUP);
uint64_t hash2 = Hash(ss2.begin(), ss2.end()).Get64();
uint64_t hash2 = Hash(ss2.begin(), ss2.end()).GetLow64();
return hash2 % ADDRMAN_TRIED_BUCKET_COUNT;
}
@ -29,11 +29,11 @@ int CAddrInfo::GetNewBucket(const std::vector<unsigned char> &nKey, const CNetAd @@ -29,11 +29,11 @@ int CAddrInfo::GetNewBucket(const std::vector<unsigned char> &nKey, const CNetAd
std::vector<unsigned char> vchGroupKey = GetGroup();
std::vector<unsigned char> vchSourceGroupKey = src.GetGroup();
ss1 << nKey << vchGroupKey << vchSourceGroupKey;
uint64_t hash1 = Hash(ss1.begin(), ss1.end()).Get64();
uint64_t hash1 = Hash(ss1.begin(), ss1.end()).GetLow64();
CDataStream ss2(SER_GETHASH, 0);
ss2 << nKey << vchSourceGroupKey << (hash1 % ADDRMAN_NEW_BUCKETS_PER_SOURCE_GROUP);
uint64_t hash2 = Hash(ss2.begin(), ss2.end()).Get64();
uint64_t hash2 = Hash(ss2.begin(), ss2.end()).GetLow64();
return hash2 % ADDRMAN_NEW_BUCKET_COUNT;
}

2
src/test/Makefile.am
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@ -34,7 +34,7 @@ test_bitcoin_SOURCES = alert_tests.cpp \ @@ -34,7 +34,7 @@ test_bitcoin_SOURCES = alert_tests.cpp \
key_tests.cpp miner_tests.cpp mruset_tests.cpp multisig_tests.cpp \
netbase_tests.cpp pmt_tests.cpp rpc_tests.cpp script_P2SH_tests.cpp \
script_tests.cpp serialize_tests.cpp sigopcount_tests.cpp test_bitcoin.cpp \
transaction_tests.cpp uint160_tests.cpp uint256_tests.cpp util_tests.cpp \
transaction_tests.cpp uint256_tests.cpp util_tests.cpp \
sighash_tests.cpp $(JSON_TEST_FILES) $(RAW_TEST_FILES)
if ENABLE_WALLET

20
src/test/uint160_tests.cpp
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@ -1,20 +0,0 @@ @@ -1,20 +0,0 @@
#include "uint256.h"
#include <stdint.h>
#include <boost/test/unit_test.hpp>
BOOST_AUTO_TEST_SUITE(uint160_tests)
BOOST_AUTO_TEST_CASE(uint160_equality)
{
uint160 num1 = 10;
uint160 num2 = 11;
BOOST_CHECK(num1+1 == num2);
uint64_t num3 = 10;
BOOST_CHECK(num1 == num3);
BOOST_CHECK(num1+num2 == num3+num2);
}
BOOST_AUTO_TEST_SUITE_END()

634
src/test/uint256_tests.cpp
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@ -1,29 +1,633 @@ @@ -1,29 +1,633 @@
#include <boost/test/unit_test.hpp>
#include <stdint.h>
#include <sstream>
#include <iomanip>
#include <limits>
#include <cmath>
#include "uint256.h"
#include <string>
#include "version.h"
#include <stdint.h>
BOOST_AUTO_TEST_SUITE(uint256_tests)
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 double R1Ldouble = 0.4887374590559308955; // R1L equals roughly R1Ldouble * 2^256
const double R1Sdouble = 0.7096329412477836074;
const uint256 R1L = uint256(std::vector<unsigned char>(R1Array,R1Array+32));
const uint160 R1S = uint160(std::vector<unsigned char>(R1Array,R1Array+20));
const uint64_t R1LLow64 = 0x121156cfdb4a529cULL;
#include <boost/test/unit_test.hpp>
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));
BOOST_AUTO_TEST_SUITE(uint256_tests)
const char R1LplusR2L[] = "549FB09FEA236A1EA3E31D4D58F1B1369288D204211CA751527CFC175767850C";
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));
const uint256 HalfL = (OneL << 255);
const uint160 HalfS = (OneS << 159);
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();
}
BOOST_AUTO_TEST_CASE(uint256_equality)
BOOST_AUTO_TEST_CASE( basics ) // constructors, equality, inequality
{
uint256 num1 = 10;
uint256 num2 = 11;
BOOST_CHECK(num1+1 == num2);
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);
BOOST_CHECK(~MaxL == ZeroL && ~MaxS == ZeroS);
BOOST_CHECK( ((R1L ^ R2L) ^ R1L) == R2L);
BOOST_CHECK( ((R1S ^ R2S) ^ R1S) == R2S);
uint64_t Tmp64 = 0xc4dab720d9c7acaaULL;
for (unsigned int i = 0; i < 256; ++i)
{
BOOST_CHECK(ZeroL != (OneL << i));
BOOST_CHECK((OneL << i) != ZeroL);
BOOST_CHECK(R1L != (R1L ^ (OneL << i)));
BOOST_CHECK(((uint256(Tmp64) ^ (OneL << i) ) != Tmp64 ));
}
BOOST_CHECK(ZeroL == (OneL << 256));
for (unsigned int i = 0; i < 160; ++i)
{
BOOST_CHECK(ZeroS != (OneS << i));
BOOST_CHECK((OneS << i) != ZeroS);
BOOST_CHECK(R1S != (R1S ^ (OneS << i)));
BOOST_CHECK(((uint160(Tmp64) ^ (OneS << i) ) != Tmp64 ));
}
BOOST_CHECK(ZeroS == (OneS << 256));
// String Constructor and Copy Constructor
BOOST_CHECK(uint256("0x"+R1L.ToString()) == R1L);
BOOST_CHECK(uint256("0x"+R2L.ToString()) == R2L);
BOOST_CHECK(uint256("0x"+ZeroL.ToString()) == ZeroL);
BOOST_CHECK(uint256("0x"+OneL.ToString()) == OneL);
BOOST_CHECK(uint256("0x"+MaxL.ToString()) == MaxL);
BOOST_CHECK(uint256(R1L.ToString()) == R1L);
BOOST_CHECK(uint256(" 0x"+R1L.ToString()+" ") == R1L);
BOOST_CHECK(uint256("") == ZeroL);
BOOST_CHECK(R1L == uint256(R1ArrayHex));
BOOST_CHECK(uint256(R1L) == R1L);
BOOST_CHECK((uint256(R1L^R2L)^R2L) == R1L);
BOOST_CHECK(uint256(ZeroL) == ZeroL);
BOOST_CHECK(uint256(OneL) == OneL);
BOOST_CHECK(uint160("0x"+R1S.ToString()) == R1S);
BOOST_CHECK(uint160("0x"+R2S.ToString()) == R2S);
BOOST_CHECK(uint160("0x"+ZeroS.ToString()) == ZeroS);
BOOST_CHECK(uint160("0x"+OneS.ToString()) == OneS);
BOOST_CHECK(uint160("0x"+MaxS.ToString()) == MaxS);
BOOST_CHECK(uint160(R1S.ToString()) == R1S);
BOOST_CHECK(uint160(" 0x"+R1S.ToString()+" ") == R1S);
BOOST_CHECK(uint160("") == ZeroS);
BOOST_CHECK(R1S == uint160(R1ArrayHex));
BOOST_CHECK(uint160(R1S) == R1S);
BOOST_CHECK((uint160(R1S^R2S)^R2S) == R1S);
BOOST_CHECK(uint160(ZeroS) == ZeroS);
BOOST_CHECK(uint160(OneS) == OneS);
// uint64_t constructor
BOOST_CHECK( (R1L & uint256("0xffffffffffffffff")) == uint256(R1LLow64));
BOOST_CHECK(ZeroL == uint256(0));
BOOST_CHECK(OneL == uint256(1));
BOOST_CHECK(uint256("0xffffffffffffffff") = uint256(0xffffffffffffffffULL));
BOOST_CHECK( (R1S & uint160("0xffffffffffffffff")) == uint160(R1LLow64));
BOOST_CHECK(ZeroS == uint160(0));
BOOST_CHECK(OneS == uint160(1));
BOOST_CHECK(uint160("0xffffffffffffffff") = uint160(0xffffffffffffffffULL));
// Assignment (from base_uint)
uint256 tmpL = ~ZeroL; BOOST_CHECK(tmpL == ~ZeroL);
tmpL = ~OneL; BOOST_CHECK(tmpL == ~OneL);
tmpL = ~R1L; BOOST_CHECK(tmpL == ~R1L);
tmpL = ~R2L; BOOST_CHECK(tmpL == ~R2L);
tmpL = ~MaxL; BOOST_CHECK(tmpL == ~MaxL);
uint160 tmpS = ~ZeroS; BOOST_CHECK(tmpS == ~ZeroS);
tmpS = ~OneS; BOOST_CHECK(tmpS == ~OneS);
tmpS = ~R1S; BOOST_CHECK(tmpS == ~R1S);
tmpS = ~R2S; BOOST_CHECK(tmpS == ~R2S);
tmpS = ~MaxS; BOOST_CHECK(tmpS == ~MaxS);
uint64_t num3 = 10;
BOOST_CHECK(num1 == num3);
BOOST_CHECK(num1+num2 == num3+num2);
// Wrong length must give 0
BOOST_CHECK(uint256(std::vector<unsigned char>(OneArray,OneArray+31)) == 0);
BOOST_CHECK(uint256(std::vector<unsigned char>(OneArray,OneArray+20)) == 0);
BOOST_CHECK(uint160(std::vector<unsigned char>(OneArray,OneArray+32)) == 0);
BOOST_CHECK(uint160(std::vector<unsigned char>(OneArray,OneArray+19)) == 0);
}
BOOST_AUTO_TEST_CASE(uint256_hex)
void shiftArrayRight(unsigned char* to, const unsigned char* from, unsigned int arrayLength, unsigned int bitsToShift)
{
std::string hexStr = "d35583ed493a5eee756931353144f558e6a9ab3ad6024a63ced7f10daf7faad9";
uint256 num1;
num1.SetHex(hexStr);
BOOST_CHECK(num1.GetHex() == hexStr);
for (unsigned int T=0; T < arrayLength; ++T)
{
unsigned int F = (T+bitsToShift/8);
if (F < arrayLength)
to[T] = from[F] >> (bitsToShift%8);
else
to[T] = 0;
if (F + 1 < arrayLength)
to[T] |= from[(F+1)] << (8-bitsToShift%8);
}
}
void shiftArrayLeft(unsigned char* to, const unsigned char* from, unsigned int arrayLength, unsigned int bitsToShift)
{
for (unsigned int T=0; T < arrayLength; ++T)
{
if (T >= bitsToShift/8)
{
unsigned int F = T-bitsToShift/8;
to[T] = from[F] << (bitsToShift%8);
if (T >= bitsToShift/8+1)
to[T] |= from[F-1] >> (8-bitsToShift%8);
}
else {
to[T] = 0;
}
}
}
BOOST_AUTO_TEST_CASE( shifts ) { // "<<" ">>" "<<=" ">>="
unsigned char TmpArray[32];
uint256 TmpL;
for (unsigned int i = 0; i < 256; ++i)
{
shiftArrayLeft(TmpArray, OneArray, 32, i);
BOOST_CHECK(uint256(std::vector<unsigned char>(TmpArray,TmpArray+32)) == (OneL << i));
TmpL = OneL; TmpL <<= i;
BOOST_CHECK(TmpL == (OneL << i));
BOOST_CHECK((HalfL >> (255-i)) == (OneL << i));
TmpL = HalfL; TmpL >>= (255-i);
BOOST_CHECK(TmpL == (OneL << i));
shiftArrayLeft(TmpArray, R1Array, 32, i);
BOOST_CHECK(uint256(std::vector<unsigned char>(TmpArray,TmpArray+32)) == (R1L << i));
TmpL = R1L; TmpL <<= i;
BOOST_CHECK(TmpL == (R1L << i));
shiftArrayRight(TmpArray, R1Array, 32, i);
BOOST_CHECK(uint256(std::vector<unsigned char>(TmpArray,TmpArray+32)) == (R1L >> i));
TmpL = R1L; TmpL >>= i;
BOOST_CHECK(TmpL == (R1L >> i));
shiftArrayLeft(TmpArray, MaxArray, 32, i);
BOOST_CHECK(uint256(std::vector<unsigned char>(TmpArray,TmpArray+32)) == (MaxL << i));
TmpL = MaxL; TmpL <<= i;
BOOST_CHECK(TmpL == (MaxL << i));
shiftArrayRight(TmpArray, MaxArray, 32, i);
BOOST_CHECK(uint256(std::vector<unsigned char>(TmpArray,TmpArray+32)) == (MaxL >> i));
TmpL = MaxL; TmpL >>= i;
BOOST_CHECK(TmpL == (MaxL >> i));
}
uint256 c1L = uint256(0x0123456789abcdefULL);
uint256 c2L = c1L << 128;
for (unsigned int i = 0; i < 128; ++i) {
BOOST_CHECK((c1L << i) == (c2L >> (128-i)));
}
for (unsigned int i = 128; i < 256; ++i) {
BOOST_CHECK((c1L << i) == (c2L << (i-128)));
}
uint160 TmpS;
for (unsigned int i = 0; i < 160; ++i)
{
shiftArrayLeft(TmpArray, OneArray, 20, i);
BOOST_CHECK(uint160(std::vector<unsigned char>(TmpArray,TmpArray+20)) == (OneS << i));
TmpS = OneS; TmpS <<= i;
BOOST_CHECK(TmpS == (OneS << i));
BOOST_CHECK((HalfS >> (159-i)) == (OneS << i));
TmpS = HalfS; TmpS >>= (159-i);
BOOST_CHECK(TmpS == (OneS << i));
shiftArrayLeft(TmpArray, R1Array, 20, i);
BOOST_CHECK(uint160(std::vector<unsigned char>(TmpArray,TmpArray+20)) == (R1S << i));
TmpS = R1S; TmpS <<= i;
BOOST_CHECK(TmpS == (R1S << i));
shiftArrayRight(TmpArray, R1Array, 20, i);
BOOST_CHECK(uint160(std::vector<unsigned char>(TmpArray,TmpArray+20)) == (R1S >> i));
TmpS = R1S; TmpS >>= i;
BOOST_CHECK(TmpS == (R1S >> i));
shiftArrayLeft(TmpArray, MaxArray, 20, i);
BOOST_CHECK(uint160(std::vector<unsigned char>(TmpArray,TmpArray+20)) == (MaxS << i));
TmpS = MaxS; TmpS <<= i;
BOOST_CHECK(TmpS == (MaxS << i));
shiftArrayRight(TmpArray, MaxArray, 20, i);
BOOST_CHECK(uint160(std::vector<unsigned char>(TmpArray,TmpArray+20)) == (MaxS >> i));
TmpS = MaxS; TmpS >>= i;
BOOST_CHECK(TmpS == (MaxS >> i));
}
uint160 c1S = uint160(0x0123456789abcdefULL);
uint160 c2S = c1S << 80;
for (unsigned int i = 0; i < 80; ++i) {
BOOST_CHECK((c1S << i) == (c2S >> (80-i)));
}
for (unsigned int i = 80; i < 160; ++i) {
BOOST_CHECK((c1S << i) == (c2S << (i-80)));
}
}
BOOST_AUTO_TEST_CASE( unaryOperators ) // ! ~ -
{
BOOST_CHECK(!ZeroL); BOOST_CHECK(!ZeroS);
BOOST_CHECK(!(!OneL));BOOST_CHECK(!(!OneS));
for (unsigned int i = 0; i < 256; ++i)
BOOST_CHECK(!(!(OneL<<i)));
for (unsigned int i = 0; i < 160; ++i)
BOOST_CHECK(!(!(OneS<<i)));
BOOST_CHECK(!(!R1L));BOOST_CHECK(!(!R1S));
BOOST_CHECK(!(!R2S));BOOST_CHECK(!(!R2S));
BOOST_CHECK(!(!MaxL));BOOST_CHECK(!(!MaxS));
BOOST_CHECK(~ZeroL == MaxL); BOOST_CHECK(~ZeroS == MaxS);
unsigned char TmpArray[32];
for (unsigned int i = 0; i < 32; ++i) { TmpArray[i] = ~R1Array[i]; }
BOOST_CHECK(uint256(std::vector<unsigned char>(TmpArray,TmpArray+32)) == (~R1L));
BOOST_CHECK(uint160(std::vector<unsigned char>(TmpArray,TmpArray+20)) == (~R1S));
BOOST_CHECK(-ZeroL == ZeroL); BOOST_CHECK(-ZeroS == ZeroS);
BOOST_CHECK(-R1L == (~R1L)+1);
BOOST_CHECK(-R1S == (~R1S)+1);
for (unsigned int i = 0; i < 256; ++i)
BOOST_CHECK(-(OneL<<i) == (MaxL << i));
for (unsigned int i = 0; i < 160; ++i)
BOOST_CHECK(-(OneS<<i) == (MaxS << i));
}
// Check if doing _A_ _OP_ _B_ results in the same as applying _OP_ onto each
// element of Aarray and Barray, and then converting the result into a uint256.
#define CHECKBITWISEOPERATOR(_A_,_B_,_OP_) \
for (unsigned int i = 0; i < 32; ++i) { TmpArray[i] = _A_##Array[i] _OP_ _B_##Array[i]; } \
BOOST_CHECK(uint256(std::vector<unsigned char>(TmpArray,TmpArray+32)) == (_A_##L _OP_ _B_##L)); \
for (unsigned int i = 0; i < 20; ++i) { TmpArray[i] = _A_##Array[i] _OP_ _B_##Array[i]; } \
BOOST_CHECK(uint160(std::vector<unsigned char>(TmpArray,TmpArray+20)) == (_A_##S _OP_ _B_##S));
#define CHECKASSIGNMENTOPERATOR(_A_,_B_,_OP_) \
TmpL = _A_##L; TmpL _OP_##= _B_##L; BOOST_CHECK(TmpL == (_A_##L _OP_ _B_##L)); \
TmpS = _A_##S; TmpS _OP_##= _B_##S; BOOST_CHECK(TmpS == (_A_##S _OP_ _B_##S));
BOOST_AUTO_TEST_CASE( bitwiseOperators )
{
unsigned char TmpArray[32];
CHECKBITWISEOPERATOR(R1,R2,|)
CHECKBITWISEOPERATOR(R1,R2,^)
CHECKBITWISEOPERATOR(R1,R2,&)
CHECKBITWISEOPERATOR(R1,Zero,|)
CHECKBITWISEOPERATOR(R1,Zero,^)
CHECKBITWISEOPERATOR(R1,Zero,&)
CHECKBITWISEOPERATOR(R1,Max,|)
CHECKBITWISEOPERATOR(R1,Max,^)
CHECKBITWISEOPERATOR(R1,Max,&)
CHECKBITWISEOPERATOR(Zero,R1,|)
CHECKBITWISEOPERATOR(Zero,R1,^)
CHECKBITWISEOPERATOR(Zero,R1,&)
CHECKBITWISEOPERATOR(Max,R1,|)
CHECKBITWISEOPERATOR(Max,R1,^)
CHECKBITWISEOPERATOR(Max,R1,&)
uint256 TmpL;
uint160 TmpS;
CHECKASSIGNMENTOPERATOR(R1,R2,|)
CHECKASSIGNMENTOPERATOR(R1,R2,^)
CHECKASSIGNMENTOPERATOR(R1,R2,&)
CHECKASSIGNMENTOPERATOR(R1,Zero,|)
CHECKASSIGNMENTOPERATOR(R1,Zero,^)
CHECKASSIGNMENTOPERATOR(R1,Zero,&)
CHECKASSIGNMENTOPERATOR(R1,Max,|)
CHECKASSIGNMENTOPERATOR(R1,Max,^)
CHECKASSIGNMENTOPERATOR(R1,Max,&)
CHECKASSIGNMENTOPERATOR(Zero,R1,|)
CHECKASSIGNMENTOPERATOR(Zero,R1,^)
CHECKASSIGNMENTOPERATOR(Zero,R1,&)
CHECKASSIGNMENTOPERATOR(Max,R1,|)
CHECKASSIGNMENTOPERATOR(Max,R1,^)
CHECKASSIGNMENTOPERATOR(Max,R1,&)
uint64_t Tmp64 = 0xe1db685c9a0b47a2ULL;
TmpL = R1L; TmpL |= Tmp64; BOOST_CHECK(TmpL == (R1L | uint256(Tmp64)));
TmpS = R1S; TmpS |= Tmp64; BOOST_CHECK(TmpS == (R1S | uint160(Tmp64)));
TmpL = R1L; TmpL |= 0; BOOST_CHECK(TmpL == R1L);
TmpS = R1S; TmpS |= 0; BOOST_CHECK(TmpS == R1S);
TmpL ^= 0; BOOST_CHECK(TmpL == R1L);
TmpS ^= 0; BOOST_CHECK(TmpS == R1S);
TmpL ^= Tmp64; BOOST_CHECK(TmpL == (R1L ^ uint256(Tmp64)));
TmpS ^= Tmp64; BOOST_CHECK(TmpS == (R1S ^ uint160(Tmp64)));
}
BOOST_AUTO_TEST_CASE( comparison ) // <= >= < >
{
uint256 TmpL;
for (unsigned int i = 0; i < 256; ++i) {
TmpL= OneL<< i;
BOOST_CHECK( TmpL >= ZeroL && TmpL > ZeroL && ZeroL < TmpL && ZeroL <= TmpL);
BOOST_CHECK( TmpL >= 0 && TmpL > 0 && 0 < TmpL && 0 <= TmpL);
TmpL |= R1L;
BOOST_CHECK( TmpL >= R1L ); BOOST_CHECK( (TmpL == R1L) != (TmpL > R1L)); BOOST_CHECK( (TmpL == R1L) || !( TmpL <= R1L));
BOOST_CHECK( R1L <= TmpL ); BOOST_CHECK( (R1L == TmpL) != (R1L < TmpL)); BOOST_CHECK( (TmpL == R1L) || !( R1L >= TmpL));
BOOST_CHECK(! (TmpL < R1L)); BOOST_CHECK(! (R1L > TmpL));
}
uint160 TmpS;
for (unsigned int i = 0; i < 160; ++i) {
TmpS= OneS<< i;
BOOST_CHECK( TmpS >= ZeroS && TmpS > ZeroS && ZeroS < TmpS && ZeroS <= TmpS);
BOOST_CHECK( TmpS >= 0 && TmpS > 0 && 0 < TmpS && 0 <= TmpS);
TmpS |= R1S;
BOOST_CHECK( TmpS >= R1S ); BOOST_CHECK( (TmpS == R1S) != (TmpS > R1S)); BOOST_CHECK( (TmpS == R1S) || !( TmpS <= R1S));
BOOST_CHECK( R1S <= TmpS ); BOOST_CHECK( (R1S == TmpS) != (R1S < TmpS)); BOOST_CHECK( (TmpS == R1S) || !( R1S >= TmpS));
BOOST_CHECK(! (TmpS < R1S)); BOOST_CHECK(! (R1S > TmpS));
}
}
BOOST_AUTO_TEST_CASE( plusMinus )
{
uint256 TmpL = 0;
BOOST_CHECK(R1L+R2L == uint256(R1LplusR2L));
TmpL += R1L;
BOOST_CHECK(TmpL == R1L);
TmpL += R2L;
BOOST_CHECK(TmpL == R1L + R2L);
BOOST_CHECK(OneL+MaxL == ZeroL);
BOOST_CHECK(MaxL+OneL == ZeroL);
for (unsigned int i = 1; i < 256; ++i) {
BOOST_CHECK( (MaxL >> i) + OneL == (HalfL >> (i-1)) );
BOOST_CHECK( OneL + (MaxL >> i) == (HalfL >> (i-1)) );
TmpL = (MaxL>>i); TmpL += OneL;
BOOST_CHECK( TmpL == (HalfL >> (i-1)) );
TmpL = (MaxL>>i); TmpL += 1;
BOOST_CHECK( TmpL == (HalfL >> (i-1)) );
TmpL = (MaxL>>i);
BOOST_CHECK( TmpL++ == (MaxL>>i) );
BOOST_CHECK( TmpL == (HalfL >> (i-1)));
}
BOOST_CHECK(uint256(0xbedc77e27940a7ULL) + 0xee8d836fce66fbULL == uint256(0xbedc77e27940a7ULL + 0xee8d836fce66fbULL));
TmpL = uint256(0xbedc77e27940a7ULL); TmpL += 0xee8d836fce66fbULL;
BOOST_CHECK(TmpL == uint256(0xbedc77e27940a7ULL+0xee8d836fce66fbULL));
TmpL -= 0xee8d836fce66fbULL; BOOST_CHECK(TmpL == 0xbedc77e27940a7ULL);
TmpL = R1L;
BOOST_CHECK(++TmpL == R1L+1);
BOOST_CHECK(R1L -(-R2L) == R1L+R2L);
BOOST_CHECK(R1L -(-OneL) == R1L+OneL);
BOOST_CHECK(R1L - OneL == R1L+(-OneL));
for (unsigned int i = 1; i < 256; ++i) {
BOOST_CHECK((MaxL>>i) - (-OneL) == (HalfL >> (i-1)));
BOOST_CHECK((HalfL >> (i-1)) - OneL == (MaxL>>i));
TmpL = (HalfL >> (i-1));
BOOST_CHECK(TmpL-- == (HalfL >> (i-1)));
BOOST_CHECK(TmpL == (MaxL >> i));
TmpL = (HalfL >> (i-1));
BOOST_CHECK(--TmpL == (MaxL >> i));
}
TmpL = R1L;
BOOST_CHECK(--TmpL == R1L-1);
// 160-bit; copy-pasted
uint160 TmpS = 0;
BOOST_CHECK(R1S+R2S == uint160(R1LplusR2L));
TmpS += R1S;
BOOST_CHECK(TmpS == R1S);
TmpS += R2S;
BOOST_CHECK(TmpS == R1S + R2S);
BOOST_CHECK(OneS+MaxS == ZeroS);
BOOST_CHECK(MaxS+OneS == ZeroS);
for (unsigned int i = 1; i < 160; ++i) {
BOOST_CHECK( (MaxS >> i) + OneS == (HalfS >> (i-1)) );
BOOST_CHECK( OneS + (MaxS >> i) == (HalfS >> (i-1)) );
TmpS = (MaxS>>i); TmpS += OneS;
BOOST_CHECK( TmpS == (HalfS >> (i-1)) );
TmpS = (MaxS>>i); TmpS += 1;
BOOST_CHECK( TmpS == (HalfS >> (i-1)) );
TmpS = (MaxS>>i);
BOOST_CHECK( TmpS++ == (MaxS>>i) );
BOOST_CHECK( TmpS == (HalfS >> (i-1)));
}
BOOST_CHECK(uint160(0xbedc77e27940a7ULL) + 0xee8d836fce66fbULL == uint160(0xbedc77e27940a7ULL + 0xee8d836fce66fbULL));
TmpS = uint160(0xbedc77e27940a7ULL); TmpS += 0xee8d836fce66fbULL;
BOOST_CHECK(TmpS == uint160(0xbedc77e27940a7ULL+0xee8d836fce66fbULL));
TmpS -= 0xee8d836fce66fbULL; BOOST_CHECK(TmpS == 0xbedc77e27940a7ULL);
TmpS = R1S;
BOOST_CHECK(++TmpS == R1S+1);
BOOST_CHECK(R1S -(-R2S) == R1S+R2S);
BOOST_CHECK(R1S -(-OneS) == R1S+OneS);
BOOST_CHECK(R1S - OneS == R1S+(-OneS));
for (unsigned int i = 1; i < 160; ++i) {
BOOST_CHECK((MaxS>>i) - (-OneS) == (HalfS >> (i-1)));
BOOST_CHECK((HalfS >> (i-1)) - OneS == (MaxS>>i));
TmpS = (HalfS >> (i-1));
BOOST_CHECK(TmpS-- == (HalfS >> (i-1)));
BOOST_CHECK(TmpS == (MaxS >> i));
TmpS = (HalfS >> (i-1));
BOOST_CHECK(--TmpS == (MaxS >> i));
}
TmpS = R1S;
BOOST_CHECK(--TmpS == R1S-1);
}
bool almostEqual(double d1, double d2)
{
return fabs(d1-d2) <= 4*fabs(d1)*std::numeric_limits<double>::epsilon();
}
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 == 0);
TmpL.SetHex(HalfL.ToString()); BOOST_CHECK(TmpL == HalfL);
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() == 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.GetLow64() == R1LLow64);
BOOST_CHECK(HalfL.GetLow64() ==0x0000000000000000ULL);
BOOST_CHECK(OneL.GetLow64() ==0x0000000000000001ULL);
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 == 0);
TmpS.SetHex(HalfS.ToString()); BOOST_CHECK(TmpS == HalfS);
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() == 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.GetLow64() == R1LLow64);
BOOST_CHECK(HalfS.GetLow64() ==0x0000000000000000ULL);
BOOST_CHECK(OneS.GetLow64() ==0x0000000000000001ULL);
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("");
for (unsigned int i = 0; i < 255; ++i)
{
BOOST_CHECK((OneL << i).getdouble() == ldexp(1.0,i));
if (i < 160) BOOST_CHECK((OneS << i).getdouble() == ldexp(1.0,i));
}
BOOST_CHECK(ZeroL.getdouble() == 0.0);
BOOST_CHECK(ZeroS.getdouble() == 0.0);
for (int i = 256; i > 53; --i)
BOOST_CHECK(almostEqual((R1L>>(256-i)).getdouble(), ldexp(R1Ldouble,i)));
for (int i = 160; i > 53; --i)
BOOST_CHECK(almostEqual((R1S>>(160-i)).getdouble(), ldexp(R1Sdouble,i)));
uint64_t R1L64part = (R1L>>192).GetLow64();
uint64_t R1S64part = (R1S>>96).GetLow64();
for (int i = 53; i > 0; --i) // doubles can store all integers in {0,...,2^54-1} exactly
{
BOOST_CHECK((R1L>>(256-i)).getdouble() == (double)(R1L64part >> (64-i)));
BOOST_CHECK((R1S>>(160-i)).getdouble() == (double)(R1S64part >> (64-i)));
}
}
BOOST_AUTO_TEST_CASE( getmaxcoverage ) // some more tests just to get 100% coverage
{
// ~R1L give a base_uint<256>
BOOST_CHECK((~~R1L >> 10) == (R1L >> 10)); BOOST_CHECK((~~R1S >> 10) == (R1S >> 10));
BOOST_CHECK((~~R1L << 10) == (R1L << 10)); BOOST_CHECK((~~R1S << 10) == (R1S << 10));
BOOST_CHECK(!(~~R1L < R1L)); BOOST_CHECK(!(~~R1S < R1S));
BOOST_CHECK(~~R1L <= R1L); BOOST_CHECK(~~R1S <= R1S);
BOOST_CHECK(!(~~R1L > R1L)); BOOST_CHECK(!(~~R1S > R1S));
BOOST_CHECK(~~R1L >= R1L); BOOST_CHECK(~~R1S >= R1S);
BOOST_CHECK(!(R1L < ~~R1L)); BOOST_CHECK(!(R1S < ~~R1S));
BOOST_CHECK(R1L <= ~~R1L); BOOST_CHECK(R1S <= ~~R1S);
BOOST_CHECK(!(R1L > ~~R1L)); BOOST_CHECK(!(R1S > ~~R1S));
BOOST_CHECK(R1L >= ~~R1L); BOOST_CHECK(R1S >= ~~R1S);
BOOST_CHECK(~~R1L + R2L == R1L + ~~R2L);
BOOST_CHECK(~~R1S + R2S == R1S + ~~R2S);
BOOST_CHECK(~~R1L - R2L == R1L - ~~R2L);
BOOST_CHECK(~~R1S - R2S == R1S - ~~R2S);
BOOST_CHECK(~R1L != R1L); BOOST_CHECK(R1L != ~R1L);
BOOST_CHECK(~R1S != R1S); BOOST_CHECK(R1S != ~R1S);
unsigned char TmpArray[32];
CHECKBITWISEOPERATOR(~R1,R2,|)
CHECKBITWISEOPERATOR(~R1,R2,^)
CHECKBITWISEOPERATOR(~R1,R2,&)
CHECKBITWISEOPERATOR(R1,~R2,|)
CHECKBITWISEOPERATOR(R1,~R2,^)
CHECKBITWISEOPERATOR(R1,~R2,&)
}
BOOST_AUTO_TEST_SUITE_END()

157
src/uint256.h
Unescape View File

@ -19,9 +19,6 @@ inline signed char HexDigit(char c) @@ -19,9 +19,6 @@ inline signed char HexDigit(char c)
return p_util_hexdigit[(unsigned char)c];
}
inline int Testuint256AdHoc(std::vector<std::string> vArg);
/** Base class without constructors for uint256 and uint160.
* This makes the compiler let you use it in a union.
*/
@ -203,7 +200,7 @@ public: @@ -203,7 +200,7 @@ public:
{
// prefix operator
int i = 0;
while (--pn[i] == -1 && i < WIDTH-1)
while (--pn[i] == (uint32_t)-1 && i < WIDTH-1)
i++;
return *this;
}
@ -370,9 +367,10 @@ public: @@ -370,9 +367,10 @@ public:
return sizeof(pn);
}
uint64_t Get64(int n=0) const
uint64_t GetLow64() const
{
return pn[2*n] | (uint64_t)pn[2*n+1] << 32;
assert(WIDTH >= 2);
return pn[0] | (uint64_t)pn[1] << 32;
}
// unsigned int GetSerializeSize(int nType=0, int nVersion=PROTOCOL_VERSION) const
@ -398,7 +396,6 @@ public: @@ -398,7 +396,6 @@ public:
friend class uint160;
friend class uint256;
friend inline int Testuint256AdHoc(std::vector<std::string> vArg);
};
typedef base_uint<160> base_uint160;
@ -525,9 +522,6 @@ inline const uint160 operator-(const uint160& a, const uint160& b) { r @@ -525,9 +522,6 @@ inline const uint160 operator-(const uint160& a, const uint160& b) { r
//////////////////////////////////////////////////////////////////////////////
//
// uint256
@ -638,147 +632,4 @@ inline const uint256 operator|(const uint256& a, const uint256& b) { return @@ -638,147 +632,4 @@ inline const uint256 operator|(const uint256& a, const uint256& b) { return
inline const uint256 operator+(const uint256& a, const uint256& b) { return (base_uint256)a + (base_uint256)b; }
inline const uint256 operator-(const uint256& a, const uint256& b) { return (base_uint256)a - (base_uint256)b; }
#ifdef TEST_UINT256
inline int Testuint256AdHoc(std::vector<std::string> vArg)
{
uint256 g(0);
LogPrintf("%s\n", g.ToString().c_str());
g--; LogPrintf("g--\n");
LogPrintf("%s\n", g.ToString().c_str());
g--; LogPrintf("g--\n");
LogPrintf("%s\n", g.ToString().c_str());
g++; LogPrintf("g++\n");
LogPrintf("%s\n", g.ToString().c_str());
g++; LogPrintf("g++\n");
LogPrintf("%s\n", g.ToString().c_str());
g++; LogPrintf("g++\n");
LogPrintf("%s\n", g.ToString().c_str());
g++; LogPrintf("g++\n");
LogPrintf("%s\n", g.ToString().c_str());
uint256 a(7);
LogPrintf("a=7\n");
LogPrintf("%s\n", a.ToString().c_str());
uint256 b;
LogPrintf("b undefined\n");
LogPrintf("%s\n", b.ToString().c_str());
int c = 3;
a = c;
a.pn[3] = 15;
LogPrintf("%s\n", a.ToString().c_str());
uint256 k(c);
a = 5;
a.pn[3] = 15;
LogPrintf("%s\n", a.ToString().c_str());
b = 1;
b <<= 52;
a |= b;
a ^= 0x500;
LogPrintf("a %s\n", a.ToString().c_str());
a = a | b | (uint256)0x1000;
LogPrintf("a %s\n", a.ToString().c_str());
LogPrintf("b %s\n", b.ToString().c_str());
a = 0xfffffffe;
a.pn[4] = 9;
LogPrintf("%s\n", a.ToString().c_str());
a++;
LogPrintf("%s\n", a.ToString().c_str());
a++;
LogPrintf("%s\n", a.ToString().c_str());
a++;
LogPrintf("%s\n", a.ToString().c_str());
a++;
LogPrintf("%s\n", a.ToString().c_str());
a--;
LogPrintf("%s\n", a.ToString().c_str());
a--;
LogPrintf("%s\n", a.ToString().c_str());
a--;
LogPrintf("%s\n", a.ToString().c_str());
uint256 d = a--;
LogPrintf("%s\n", d.ToString().c_str());
LogPrintf("%s\n", a.ToString().c_str());
a--;
LogPrintf("%s\n", a.ToString().c_str());
a--;
LogPrintf("%s\n", a.ToString().c_str());
d = a;
LogPrintf("%s\n", d.ToString().c_str());
for (int i = uint256::WIDTH-1; i >= 0; i--) LogPrintf("%08x", d.pn[i]); LogPrintf("\n");
uint256 neg = d;
neg = ~neg;
LogPrintf("%s\n", neg.ToString().c_str());
uint256 e = uint256("0xABCDEF123abcdef12345678909832180000011111111");
LogPrintf("\n");
LogPrintf("%s\n", e.ToString().c_str());
LogPrintf("\n");
uint256 x1 = uint256("0xABCDEF123abcdef12345678909832180000011111111");
uint256 x2;
LogPrintf("%s\n", x1.ToString().c_str());
for (int i = 0; i < 270; i += 4)
{
x2 = x1 << i;
LogPrintf("%s\n", x2.ToString().c_str());
}
LogPrintf("\n");
LogPrintf("%s\n", x1.ToString().c_str());
for (int i = 0; i < 270; i += 4)
{
x2 = x1;
x2 >>= i;
LogPrintf("%s\n", x2.ToString().c_str());
}
for (int i = 0; i < 100; i++)
{
uint256 k = (~uint256(0) >> i);
LogPrintf("%s\n", k.ToString().c_str());
}
for (int i = 0; i < 100; i++)
{
uint256 k = (~uint256(0) << i);
LogPrintf("%s\n", k.ToString().c_str());
}
return (0);
}
#endif
#endif

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