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-rw-r--r--src/addrman.cpp8
-rw-r--r--src/test/Makefile.am2
-rw-r--r--src/test/uint160_tests.cpp20
-rw-r--r--src/test/uint256_tests.cpp634
-rw-r--r--src/uint256.h157
5 files changed, 628 insertions, 193 deletions
diff --git a/src/addrman.cpp b/src/addrman.cpp
index 815da07c9b..46b4a94938 100644
--- a/src/addrman.cpp
+++ b/src/addrman.cpp
@@ -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
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;
}
diff --git a/src/test/Makefile.am b/src/test/Makefile.am
index ccc8da1690..384616e897 100644
--- a/src/test/Makefile.am
+++ b/src/test/Makefile.am
@@ -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
diff --git a/src/test/uint160_tests.cpp b/src/test/uint160_tests.cpp
deleted file mode 100644
index 87418fabec..0000000000
--- a/src/test/uint160_tests.cpp
+++ /dev/null
@@ -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()
diff --git a/src/test/uint256_tests.cpp b/src/test/uint256_tests.cpp
index 188635dcbd..368484fdff 100644
--- a/src/test/uint256_tests.cpp
+++ b/src/test/uint256_tests.cpp
@@ -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()
+
diff --git a/src/uint256.h b/src/uint256.h
index 7dbb3f83bb..ba903bc8fc 100644
--- a/src/uint256.h
+++ b/src/uint256.h
@@ -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:
{
// 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:
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:
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
-
-
-
//////////////////////////////////////////////////////////////////////////////
//
// uint256
@@ -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
generated by cgit v1.2.3 (git 2.26.2) at 2024-11-09 09:25:34 +0000