Line data Source code
1 : // Copyright (c) 2011-2013 The Bitcoin Core developers
2 : // Copyright (c) 2017-2021 The PIVX Core developers
3 : // Distributed under the MIT software license, see the accompanying
4 : // file COPYING or http://www.opensource.org/licenses/mit-license.php.
5 :
6 : #include <boost/test/unit_test.hpp>
7 : #include <stdint.h>
8 : #include <sstream>
9 : #include <iomanip>
10 : #include <limits>
11 : #include <cmath>
12 : #include "uint256.h"
13 : #include "arith_uint256.h"
14 : #include <string>
15 : #include "version.h"
16 : #include "test/test_pivx.h"
17 :
18 : BOOST_FIXTURE_TEST_SUITE(arith_uint256_tests, BasicTestingSetup)
19 :
20 : /// Convert vector to arith_uint256, via uint256 blob
21 : inline arith_uint256 arith_uint256V(const std::vector<unsigned char>& vch)
22 : {
23 : return UintToArith256(uint256(vch));
24 : }
25 :
26 : const unsigned char R1Array[] =
27 : "\x9c\x52\x4a\xdb\xcf\x56\x11\x12\x2b\x29\x12\x5e\x5d\x35\xd2\xd2"
28 : "\x22\x81\xaa\xb5\x33\xf0\x08\x32\xd5\x56\xb1\xf9\xea\xe5\x1d\x7d";
29 : const char R1ArrayHex[] = "7D1DE5EAF9B156D53208F033B5AA8122D2d2355d5e12292b121156cfdb4a529c";
30 : const double R1Ldouble = 0.4887374590559308955; // R1L equals roughly R1Ldouble * 2^256
31 : const double R1Sdouble = 0.7096329412477836074;
32 : const arith_uint256 R1L = arith_uint256(std::vector<unsigned char>(R1Array,R1Array+32));
33 : const arith_uint160 R1S = arith_uint160(std::vector<unsigned char>(R1Array,R1Array+20));
34 : const uint64_t R1LLow64 = 0x121156cfdb4a529cULL;
35 :
36 : const unsigned char R2Array[] =
37 : "\x70\x32\x1d\x7c\x47\xa5\x6b\x40\x26\x7e\x0a\xc3\xa6\x9c\xb6\xbf"
38 : "\x13\x30\x47\xa3\x19\x2d\xda\x71\x49\x13\x72\xf0\xb4\xca\x81\xd7";
39 : const arith_uint256 R2L = arith_uint256(std::vector<unsigned char>(R2Array,R2Array+32));
40 : const arith_uint160 R2S = arith_uint160(std::vector<unsigned char>(R2Array,R2Array+20));
41 :
42 : const char R1LplusR2L[] = "549FB09FEA236A1EA3E31D4D58F1B1369288D204211CA751527CFC175767850C";
43 :
44 : const unsigned char ZeroArray[] =
45 : "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
46 : "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00";
47 : const arith_uint256 ZeroL = arith_uint256(std::vector<unsigned char>(ZeroArray,ZeroArray+32));
48 : const arith_uint160 ZeroS = arith_uint160(std::vector<unsigned char>(ZeroArray,ZeroArray+20));
49 :
50 : const unsigned char OneArray[] =
51 : "\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
52 : "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00";
53 : const arith_uint256 OneL = arith_uint256(std::vector<unsigned char>(OneArray,OneArray+32));
54 : const arith_uint160 OneS = arith_uint160(std::vector<unsigned char>(OneArray,OneArray+20));
55 :
56 : const unsigned char MaxArray[] =
57 : "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
58 : "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff";
59 : const arith_uint256 MaxL = arith_uint256(std::vector<unsigned char>(MaxArray,MaxArray+32));
60 : const arith_uint160 MaxS = arith_uint160(std::vector<unsigned char>(MaxArray,MaxArray+20));
61 :
62 : const arith_uint256 HalfL = (OneL << 255);
63 : const arith_uint160 HalfS = (OneS << 159);
64 12 : std::string ArrayToString(const unsigned char A[], unsigned int width)
65 : {
66 12 : std::stringstream Stream;
67 12 : Stream << std::hex;
68 324 : for (unsigned int i = 0; i < width; ++i)
69 : {
70 312 : Stream<<std::setw(2)<<std::setfill('0')<<(unsigned int)A[width-i-1];
71 : }
72 12 : return Stream.str();
73 : }
74 :
75 2 : BOOST_AUTO_TEST_CASE( basics ) // constructors, equality, inequality
76 : {
77 2 : BOOST_CHECK(1 == 0+1);
78 : // constructor arith_uint256(vector<char>):
79 4 : BOOST_CHECK(R1L.ToString() == ArrayToString(R1Array,32));
80 4 : BOOST_CHECK(R1S.ToString() == ArrayToString(R1Array,20));
81 4 : BOOST_CHECK(R2L.ToString() == ArrayToString(R2Array,32));
82 4 : BOOST_CHECK(R2S.ToString() == ArrayToString(R2Array,20));
83 4 : BOOST_CHECK(ZeroL.ToString() == ArrayToString(ZeroArray,32));
84 4 : BOOST_CHECK(ZeroS.ToString() == ArrayToString(ZeroArray,20));
85 4 : BOOST_CHECK(OneL.ToString() == ArrayToString(OneArray,32));
86 4 : BOOST_CHECK(OneS.ToString() == ArrayToString(OneArray,20));
87 4 : BOOST_CHECK(MaxL.ToString() == ArrayToString(MaxArray,32));
88 4 : BOOST_CHECK(MaxS.ToString() == ArrayToString(MaxArray,20));
89 2 : BOOST_CHECK(OneL.ToString() != ArrayToString(ZeroArray,32));
90 4 : BOOST_CHECK(OneS.ToString() != ArrayToString(ZeroArray,20));
91 :
92 : // == and !=
93 2 : BOOST_CHECK(R1L != R2L && R1S != R2S);
94 2 : BOOST_CHECK(ZeroL != OneL && ZeroS != OneS);
95 2 : BOOST_CHECK(OneL != ZeroL && OneS != ZeroS);
96 2 : BOOST_CHECK(MaxL != ZeroL && MaxS != ZeroS);
97 12 : BOOST_CHECK(~MaxL == ZeroL && ~MaxS == ZeroS);
98 4 : BOOST_CHECK( ((R1L ^ R2L) ^ R1L) == R2L);
99 4 : BOOST_CHECK( ((R1S ^ R2S) ^ R1S) == R2S);
100 :
101 1 : uint64_t Tmp64 = 0xc4dab720d9c7acaaULL;
102 257 : for (unsigned int i = 0; i < 256; ++i)
103 : {
104 512 : BOOST_CHECK(ZeroL != (OneL << i));
105 512 : BOOST_CHECK((OneL << i) != ZeroL);
106 768 : BOOST_CHECK(R1L != (R1L ^ (OneL << i)));
107 1024 : BOOST_CHECK(((arith_uint256(Tmp64) ^ (OneL << i) ) != Tmp64 ));
108 : }
109 2 : BOOST_CHECK(ZeroL == (OneL << 256));
110 :
111 161 : for (unsigned int i = 0; i < 160; ++i)
112 : {
113 320 : BOOST_CHECK(ZeroS != (OneS << i));
114 320 : BOOST_CHECK((OneS << i) != ZeroS);
115 480 : BOOST_CHECK(R1S != (R1S ^ (OneS << i)));
116 640 : BOOST_CHECK(((arith_uint160(Tmp64) ^ (OneS << i) ) != Tmp64 ));
117 : }
118 2 : BOOST_CHECK(ZeroS == (OneS << 256));
119 :
120 : // String Constructor and Copy Constructor
121 4 : BOOST_CHECK(arith_uint256("0x"+R1L.ToString()) == R1L);
122 4 : BOOST_CHECK(arith_uint256("0x"+R2L.ToString()) == R2L);
123 4 : BOOST_CHECK(arith_uint256("0x"+ZeroL.ToString()) == ZeroL);
124 4 : BOOST_CHECK(arith_uint256("0x"+OneL.ToString()) == OneL);
125 4 : BOOST_CHECK(arith_uint256("0x"+MaxL.ToString()) == MaxL);
126 4 : BOOST_CHECK(arith_uint256(R1L.ToString()) == R1L);
127 4 : BOOST_CHECK(arith_uint256(" 0x"+R1L.ToString()+" ") == R1L);
128 3 : BOOST_CHECK(arith_uint256("") == ZeroL);
129 4 : BOOST_CHECK(R1L == arith_uint256(R1ArrayHex));
130 3 : BOOST_CHECK(arith_uint256(R1L) == R1L);
131 5 : BOOST_CHECK((arith_uint256(R1L^R2L)^R2L) == R1L);
132 3 : BOOST_CHECK(arith_uint256(ZeroL) == ZeroL);
133 3 : BOOST_CHECK(arith_uint256(OneL) == OneL);
134 :
135 4 : BOOST_CHECK(arith_uint160("0x"+R1S.ToString()) == R1S);
136 4 : BOOST_CHECK(arith_uint160("0x"+R2S.ToString()) == R2S);
137 4 : BOOST_CHECK(arith_uint160("0x"+ZeroS.ToString()) == ZeroS);
138 4 : BOOST_CHECK(arith_uint160("0x"+OneS.ToString()) == OneS);
139 4 : BOOST_CHECK(arith_uint160("0x"+MaxS.ToString()) == MaxS);
140 4 : BOOST_CHECK(arith_uint160(R1S.ToString()) == R1S);
141 4 : BOOST_CHECK(arith_uint160(" 0x"+R1S.ToString()+" ") == R1S);
142 3 : BOOST_CHECK(arith_uint160("") == ZeroS);
143 4 : BOOST_CHECK(R1S == arith_uint160(R1ArrayHex));
144 :
145 3 : BOOST_CHECK(arith_uint160(R1S) == R1S);
146 5 : BOOST_CHECK((arith_uint160(R1S^R2S)^R2S) == R1S);
147 3 : BOOST_CHECK(arith_uint160(ZeroS) == ZeroS);
148 3 : BOOST_CHECK(arith_uint160(OneS) == OneS);
149 :
150 : // uint64_t constructor
151 6 : BOOST_CHECK( (R1L & arith_uint256("0xffffffffffffffff")) == arith_uint256(R1LLow64));
152 3 : BOOST_CHECK(ZeroL == arith_uint256(0));
153 3 : BOOST_CHECK(OneL == arith_uint256(1));
154 14 : BOOST_CHECK(arith_uint256("0xffffffffffffffff") = arith_uint256(0xffffffffffffffffULL));
155 6 : BOOST_CHECK( (R1S & arith_uint160("0xffffffffffffffff")) == arith_uint160(R1LLow64));
156 3 : BOOST_CHECK(ZeroS == arith_uint160(0));
157 3 : BOOST_CHECK(OneS == arith_uint160(1));
158 11 : BOOST_CHECK(arith_uint160("0xffffffffffffffff") = arith_uint160(0xffffffffffffffffULL));
159 :
160 : // Assignment (from base_uint)
161 21 : arith_uint256 tmpL = ~ZeroL; BOOST_CHECK(tmpL == ~ZeroL);
162 29 : tmpL = ~OneL; BOOST_CHECK(tmpL == ~OneL);
163 29 : tmpL = ~R1L; BOOST_CHECK(tmpL == ~R1L);
164 29 : tmpL = ~R2L; BOOST_CHECK(tmpL == ~R2L);
165 29 : tmpL = ~MaxL; BOOST_CHECK(tmpL == ~MaxL);
166 15 : arith_uint160 tmpS = ~ZeroS; BOOST_CHECK(tmpS == ~ZeroS);
167 20 : tmpS = ~OneS; BOOST_CHECK(tmpS == ~OneS);
168 20 : tmpS = ~R1S; BOOST_CHECK(tmpS == ~R1S);
169 20 : tmpS = ~R2S; BOOST_CHECK(tmpS == ~R2S);
170 20 : tmpS = ~MaxS; BOOST_CHECK(tmpS == ~MaxS);
171 :
172 : // Wrong length must throw exception.
173 3 : BOOST_CHECK_THROW(arith_uint256(std::vector<unsigned char>(OneArray,OneArray+31)), uint_error);
174 3 : BOOST_CHECK_THROW(arith_uint256(std::vector<unsigned char>(OneArray,OneArray+20)), uint_error);
175 3 : BOOST_CHECK_THROW(arith_uint160(std::vector<unsigned char>(OneArray,OneArray+32)), uint_error);
176 3 : BOOST_CHECK_THROW(arith_uint160(std::vector<unsigned char>(OneArray,OneArray+19)), uint_error);
177 1 : }
178 :
179 832 : void shiftArrayRight(unsigned char* to, const unsigned char* from, unsigned int arrayLength, unsigned int bitsToShift)
180 : {
181 23616 : for (unsigned int T=0; T < arrayLength; ++T)
182 : {
183 22784 : unsigned int F = (T+bitsToShift/8);
184 22784 : if (F < arrayLength)
185 11808 : to[T] = from[F] >> (bitsToShift%8);
186 : else
187 10976 : to[T] = 0;
188 22784 : if (F + 1 < arrayLength)
189 10976 : to[T] |= from[(F+1)] << (8-bitsToShift%8);
190 : }
191 832 : }
192 :
193 1248 : void shiftArrayLeft(unsigned char* to, const unsigned char* from, unsigned int arrayLength, unsigned int bitsToShift)
194 : {
195 35424 : for (unsigned int T=0; T < arrayLength; ++T)
196 : {
197 34176 : if (T >= bitsToShift/8)
198 : {
199 17712 : unsigned int F = T-bitsToShift/8;
200 17712 : to[T] = from[F] << (bitsToShift%8);
201 17712 : if (T >= bitsToShift/8+1)
202 16464 : to[T] |= from[F-1] >> (8-bitsToShift%8);
203 : }
204 : else {
205 16464 : to[T] = 0;
206 : }
207 : }
208 1248 : }
209 :
210 2 : BOOST_AUTO_TEST_CASE( shifts ) { // "<<" ">>" "<<=" ">>="
211 1 : unsigned char TmpArray[32];
212 1 : arith_uint256 TmpL;
213 257 : for (unsigned int i = 0; i < 256; ++i)
214 : {
215 256 : shiftArrayLeft(TmpArray, OneArray, 32, i);
216 1024 : BOOST_CHECK(arith_uint256(std::vector<unsigned char>(TmpArray,TmpArray+32)) == (OneL << i));
217 2304 : TmpL = OneL; TmpL <<= i;
218 512 : BOOST_CHECK(TmpL == (OneL << i));
219 512 : BOOST_CHECK((HalfL >> (255-i)) == (OneL << i));
220 2304 : TmpL = HalfL; TmpL >>= (255-i);
221 512 : BOOST_CHECK(TmpL == (OneL << i));
222 :
223 256 : shiftArrayLeft(TmpArray, R1Array, 32, i);
224 1024 : BOOST_CHECK(arith_uint256(std::vector<unsigned char>(TmpArray,TmpArray+32)) == (R1L << i));
225 2304 : TmpL = R1L; TmpL <<= i;
226 512 : BOOST_CHECK(TmpL == (R1L << i));
227 :
228 256 : shiftArrayRight(TmpArray, R1Array, 32, i);
229 1024 : BOOST_CHECK(arith_uint256(std::vector<unsigned char>(TmpArray,TmpArray+32)) == (R1L >> i));
230 2304 : TmpL = R1L; TmpL >>= i;
231 512 : BOOST_CHECK(TmpL == (R1L >> i));
232 :
233 256 : shiftArrayLeft(TmpArray, MaxArray, 32, i);
234 1024 : BOOST_CHECK(arith_uint256(std::vector<unsigned char>(TmpArray,TmpArray+32)) == (MaxL << i));
235 2304 : TmpL = MaxL; TmpL <<= i;
236 512 : BOOST_CHECK(TmpL == (MaxL << i));
237 :
238 256 : shiftArrayRight(TmpArray, MaxArray, 32, i);
239 1024 : BOOST_CHECK(arith_uint256(std::vector<unsigned char>(TmpArray,TmpArray+32)) == (MaxL >> i));
240 2304 : TmpL = MaxL; TmpL >>= i;
241 512 : BOOST_CHECK(TmpL == (MaxL >> i));
242 : }
243 1 : arith_uint256 c1L = arith_uint256(0x0123456789abcdefULL);
244 1 : arith_uint256 c2L = c1L << 128;
245 129 : for (unsigned int i = 0; i < 128; ++i) {
246 256 : BOOST_CHECK((c1L << i) == (c2L >> (128-i)));
247 : }
248 129 : for (unsigned int i = 128; i < 256; ++i) {
249 256 : BOOST_CHECK((c1L << i) == (c2L << (i-128)));
250 : }
251 :
252 1 : arith_uint160 TmpS;
253 161 : for (unsigned int i = 0; i < 160; ++i)
254 : {
255 160 : shiftArrayLeft(TmpArray, OneArray, 20, i);
256 640 : BOOST_CHECK(arith_uint160(std::vector<unsigned char>(TmpArray,TmpArray+20)) == (OneS << i));
257 960 : TmpS = OneS; TmpS <<= i;
258 320 : BOOST_CHECK(TmpS == (OneS << i));
259 320 : BOOST_CHECK((HalfS >> (159-i)) == (OneS << i));
260 960 : TmpS = HalfS; TmpS >>= (159-i);
261 320 : BOOST_CHECK(TmpS == (OneS << i));
262 :
263 160 : shiftArrayLeft(TmpArray, R1Array, 20, i);
264 640 : BOOST_CHECK(arith_uint160(std::vector<unsigned char>(TmpArray,TmpArray+20)) == (R1S << i));
265 960 : TmpS = R1S; TmpS <<= i;
266 320 : BOOST_CHECK(TmpS == (R1S << i));
267 :
268 160 : shiftArrayRight(TmpArray, R1Array, 20, i);
269 640 : BOOST_CHECK(arith_uint160(std::vector<unsigned char>(TmpArray,TmpArray+20)) == (R1S >> i));
270 960 : TmpS = R1S; TmpS >>= i;
271 320 : BOOST_CHECK(TmpS == (R1S >> i));
272 :
273 160 : shiftArrayLeft(TmpArray, MaxArray, 20, i);
274 640 : BOOST_CHECK(arith_uint160(std::vector<unsigned char>(TmpArray,TmpArray+20)) == (MaxS << i));
275 960 : TmpS = MaxS; TmpS <<= i;
276 320 : BOOST_CHECK(TmpS == (MaxS << i));
277 :
278 160 : shiftArrayRight(TmpArray, MaxArray, 20, i);
279 640 : BOOST_CHECK(arith_uint160(std::vector<unsigned char>(TmpArray,TmpArray+20)) == (MaxS >> i));
280 960 : TmpS = MaxS; TmpS >>= i;
281 320 : BOOST_CHECK(TmpS == (MaxS >> i));
282 : }
283 1 : arith_uint160 c1S = arith_uint160(0x0123456789abcdefULL);
284 1 : arith_uint160 c2S = c1S << 80;
285 81 : for (unsigned int i = 0; i < 80; ++i) {
286 160 : BOOST_CHECK((c1S << i) == (c2S >> (80-i)));
287 : }
288 81 : for (unsigned int i = 80; i < 160; ++i) {
289 160 : BOOST_CHECK((c1S << i) == (c2S << (i-80)));
290 : }
291 1 : }
292 :
293 2 : BOOST_AUTO_TEST_CASE( unaryOperators ) // ! ~ -
294 : {
295 16 : BOOST_CHECK(!ZeroL); BOOST_CHECK(!ZeroS);
296 5 : BOOST_CHECK(!(!OneL));BOOST_CHECK(!(!OneS));
297 257 : for (unsigned int i = 0; i < 256; ++i)
298 768 : BOOST_CHECK(!(!(OneL<<i)));
299 161 : for (unsigned int i = 0; i < 160; ++i)
300 480 : BOOST_CHECK(!(!(OneS<<i)));
301 5 : BOOST_CHECK(!(!R1L));BOOST_CHECK(!(!R1S));
302 5 : BOOST_CHECK(!(!R2S));BOOST_CHECK(!(!R2S));
303 5 : BOOST_CHECK(!(!MaxL));BOOST_CHECK(!(!MaxS));
304 :
305 18 : BOOST_CHECK(~ZeroL == MaxL); BOOST_CHECK(~ZeroS == MaxS);
306 :
307 1 : unsigned char TmpArray[32];
308 33 : for (unsigned int i = 0; i < 32; ++i) { TmpArray[i] = ~R1Array[i]; }
309 13 : BOOST_CHECK(arith_uint256(std::vector<unsigned char>(TmpArray,TmpArray+32)) == (~R1L));
310 10 : BOOST_CHECK(arith_uint160(std::vector<unsigned char>(TmpArray,TmpArray+20)) == (~R1S));
311 :
312 3 : BOOST_CHECK(-ZeroL == ZeroL); BOOST_CHECK(-ZeroS == ZeroS);
313 13 : BOOST_CHECK(-R1L == (~R1L)+1);
314 10 : BOOST_CHECK(-R1S == (~R1S)+1);
315 257 : for (unsigned int i = 0; i < 256; ++i)
316 512 : BOOST_CHECK(-(OneL<<i) == (MaxL << i));
317 161 : for (unsigned int i = 0; i < 160; ++i)
318 320 : BOOST_CHECK(-(OneS<<i) == (MaxS << i));
319 1 : }
320 :
321 :
322 : // Check if doing _A_ _OP_ _B_ results in the same as applying _OP_ onto each
323 : // element of Aarray and Barray, and then converting the result into a arith_uint256.
324 : #define CHECKBITWISEOPERATOR(_A_,_B_,_OP_) \
325 : for (unsigned int i = 0; i < 32; ++i) { TmpArray[i] = _A_##Array[i] _OP_ _B_##Array[i]; } \
326 : BOOST_CHECK(arith_uint256(std::vector<unsigned char>(TmpArray,TmpArray+32)) == (_A_##L _OP_ _B_##L)); \
327 : for (unsigned int i = 0; i < 20; ++i) { TmpArray[i] = _A_##Array[i] _OP_ _B_##Array[i]; } \
328 : BOOST_CHECK(arith_uint160(std::vector<unsigned char>(TmpArray,TmpArray+20)) == (_A_##S _OP_ _B_##S));
329 :
330 : #define CHECKASSIGNMENTOPERATOR(_A_,_B_,_OP_) \
331 : TmpL = _A_##L; TmpL _OP_##= _B_##L; BOOST_CHECK(TmpL == (_A_##L _OP_ _B_##L)); \
332 : TmpS = _A_##S; TmpS _OP_##= _B_##S; BOOST_CHECK(TmpS == (_A_##S _OP_ _B_##S));
333 :
334 2 : BOOST_AUTO_TEST_CASE( bitwiseOperators )
335 : {
336 1 : unsigned char TmpArray[32];
337 :
338 61 : CHECKBITWISEOPERATOR(R1,R2,|)
339 61 : CHECKBITWISEOPERATOR(R1,R2,^)
340 61 : CHECKBITWISEOPERATOR(R1,R2,&)
341 61 : CHECKBITWISEOPERATOR(R1,Zero,|)
342 61 : CHECKBITWISEOPERATOR(R1,Zero,^)
343 61 : CHECKBITWISEOPERATOR(R1,Zero,&)
344 61 : CHECKBITWISEOPERATOR(R1,Max,|)
345 61 : CHECKBITWISEOPERATOR(R1,Max,^)
346 61 : CHECKBITWISEOPERATOR(R1,Max,&)
347 61 : CHECKBITWISEOPERATOR(Zero,R1,|)
348 61 : CHECKBITWISEOPERATOR(Zero,R1,^)
349 61 : CHECKBITWISEOPERATOR(Zero,R1,&)
350 61 : CHECKBITWISEOPERATOR(Max,R1,|)
351 61 : CHECKBITWISEOPERATOR(Max,R1,^)
352 61 : CHECKBITWISEOPERATOR(Max,R1,&)
353 :
354 1 : arith_uint256 TmpL;
355 1 : arith_uint160 TmpS;
356 31 : CHECKASSIGNMENTOPERATOR(R1,R2,|)
357 31 : CHECKASSIGNMENTOPERATOR(R1,R2,^)
358 31 : CHECKASSIGNMENTOPERATOR(R1,R2,&)
359 31 : CHECKASSIGNMENTOPERATOR(R1,Zero,|)
360 31 : CHECKASSIGNMENTOPERATOR(R1,Zero,^)
361 31 : CHECKASSIGNMENTOPERATOR(R1,Zero,&)
362 31 : CHECKASSIGNMENTOPERATOR(R1,Max,|)
363 31 : CHECKASSIGNMENTOPERATOR(R1,Max,^)
364 31 : CHECKASSIGNMENTOPERATOR(R1,Max,&)
365 31 : CHECKASSIGNMENTOPERATOR(Zero,R1,|)
366 31 : CHECKASSIGNMENTOPERATOR(Zero,R1,^)
367 31 : CHECKASSIGNMENTOPERATOR(Zero,R1,&)
368 31 : CHECKASSIGNMENTOPERATOR(Max,R1,|)
369 31 : CHECKASSIGNMENTOPERATOR(Max,R1,^)
370 31 : CHECKASSIGNMENTOPERATOR(Max,R1,&)
371 :
372 1 : uint64_t Tmp64 = 0xe1db685c9a0b47a2ULL;
373 5 : TmpL = R1L; TmpL |= Tmp64; BOOST_CHECK(TmpL == (R1L | arith_uint256(Tmp64)));
374 9 : TmpS = R1S; TmpS |= Tmp64; BOOST_CHECK(TmpS == (R1S | arith_uint160(Tmp64)));
375 10 : TmpL = R1L; TmpL |= 0; BOOST_CHECK(TmpL == R1L);
376 7 : TmpS = R1S; TmpS |= 0; BOOST_CHECK(TmpS == R1S);
377 2 : TmpL ^= 0; BOOST_CHECK(TmpL == R1L);
378 2 : TmpS ^= 0; BOOST_CHECK(TmpS == R1S);
379 4 : TmpL ^= Tmp64; BOOST_CHECK(TmpL == (R1L ^ arith_uint256(Tmp64)));
380 4 : TmpS ^= Tmp64; BOOST_CHECK(TmpS == (R1S ^ arith_uint160(Tmp64)));
381 1 : }
382 :
383 2 : BOOST_AUTO_TEST_CASE( comparison ) // <= >= < >
384 : {
385 1 : arith_uint256 TmpL;
386 257 : for (unsigned int i = 0; i < 256; ++i) {
387 2560 : TmpL= OneL<< i;
388 1280 : BOOST_CHECK( TmpL >= ZeroL && TmpL > ZeroL && ZeroL < TmpL && ZeroL <= TmpL);
389 1536 : BOOST_CHECK( TmpL >= 0 && TmpL > 0 && 0 < TmpL && 0 <= TmpL);
390 2304 : TmpL |= R1L;
391 1286 : BOOST_CHECK( TmpL >= R1L ); BOOST_CHECK( (TmpL == R1L) != (TmpL > R1L)); BOOST_CHECK( (TmpL == R1L) || !( TmpL <= R1L));
392 1286 : BOOST_CHECK( R1L <= TmpL ); BOOST_CHECK( (R1L == TmpL) != (R1L < TmpL)); BOOST_CHECK( (TmpL == R1L) || !( R1L >= TmpL));
393 768 : BOOST_CHECK(! (TmpL < R1L)); BOOST_CHECK(! (R1L > TmpL));
394 : }
395 1 : arith_uint160 TmpS;
396 161 : for (unsigned int i = 0; i < 160; ++i) {
397 1120 : TmpS= OneS<< i;
398 800 : BOOST_CHECK( TmpS >= ZeroS && TmpS > ZeroS && ZeroS < TmpS && ZeroS <= TmpS);
399 960 : BOOST_CHECK( TmpS >= 0 && TmpS > 0 && 0 < TmpS && 0 <= TmpS);
400 960 : TmpS |= R1S;
401 812 : BOOST_CHECK( TmpS >= R1S ); BOOST_CHECK( (TmpS == R1S) != (TmpS > R1S)); BOOST_CHECK( (TmpS == R1S) || !( TmpS <= R1S));
402 812 : BOOST_CHECK( R1S <= TmpS ); BOOST_CHECK( (R1S == TmpS) != (R1S < TmpS)); BOOST_CHECK( (TmpS == R1S) || !( R1S >= TmpS));
403 480 : BOOST_CHECK(! (TmpS < R1S)); BOOST_CHECK(! (R1S > TmpS));
404 : }
405 1 : }
406 :
407 2 : BOOST_AUTO_TEST_CASE( plusMinus )
408 : {
409 1 : arith_uint256 TmpL = 0;
410 5 : BOOST_CHECK(R1L+R2L == arith_uint256(R1LplusR2L));
411 9 : TmpL += R1L;
412 2 : BOOST_CHECK(TmpL == R1L);
413 9 : TmpL += R2L;
414 3 : BOOST_CHECK(TmpL == R1L + R2L);
415 3 : BOOST_CHECK(OneL+MaxL == ZeroL);
416 3 : BOOST_CHECK(MaxL+OneL == ZeroL);
417 256 : for (unsigned int i = 1; i < 256; ++i) {
418 765 : BOOST_CHECK( (MaxL >> i) + OneL == (HalfL >> (i-1)) );
419 765 : BOOST_CHECK( OneL + (MaxL >> i) == (HalfL >> (i-1)) );
420 2550 : TmpL = (MaxL>>i); TmpL += OneL;
421 510 : BOOST_CHECK( TmpL == (HalfL >> (i-1)) );
422 2550 : TmpL = (MaxL>>i); TmpL += 1;
423 510 : BOOST_CHECK( TmpL == (HalfL >> (i-1)) );
424 2550 : TmpL = (MaxL>>i);
425 765 : BOOST_CHECK( TmpL++ == (MaxL>>i) );
426 510 : BOOST_CHECK( TmpL == (HalfL >> (i-1)));
427 : }
428 6 : BOOST_CHECK(arith_uint256(0xbedc77e27940a7ULL) + 0xee8d836fce66fbULL == arith_uint256(0xbedc77e27940a7ULL + 0xee8d836fce66fbULL));
429 10 : TmpL = arith_uint256(0xbedc77e27940a7ULL); TmpL += 0xee8d836fce66fbULL;
430 3 : BOOST_CHECK(TmpL == arith_uint256(0xbedc77e27940a7ULL+0xee8d836fce66fbULL));
431 2 : TmpL -= 0xee8d836fce66fbULL; BOOST_CHECK(TmpL == 0xbedc77e27940a7ULL);
432 9 : TmpL = R1L;
433 4 : BOOST_CHECK(++TmpL == R1L+1);
434 :
435 3 : BOOST_CHECK(R1L -(-R2L) == R1L+R2L);
436 3 : BOOST_CHECK(R1L -(-OneL) == R1L+OneL);
437 3 : BOOST_CHECK(R1L - OneL == R1L+(-OneL));
438 256 : for (unsigned int i = 1; i < 256; ++i) {
439 510 : BOOST_CHECK((MaxL>>i) - (-OneL) == (HalfL >> (i-1)));
440 510 : BOOST_CHECK((HalfL >> (i-1)) - OneL == (MaxL>>i));
441 2550 : TmpL = (HalfL >> (i-1));
442 765 : BOOST_CHECK(TmpL-- == (HalfL >> (i-1)));
443 510 : BOOST_CHECK(TmpL == (MaxL >> i));
444 2550 : TmpL = (HalfL >> (i-1));
445 765 : BOOST_CHECK(--TmpL == (MaxL >> i));
446 : }
447 9 : TmpL = R1L;
448 4 : BOOST_CHECK(--TmpL == R1L-1);
449 :
450 : // 160-bit; copy-pasted
451 1 : arith_uint160 TmpS = 0;
452 5 : BOOST_CHECK(R1S+R2S == arith_uint160(R1LplusR2L));
453 6 : TmpS += R1S;
454 2 : BOOST_CHECK(TmpS == R1S);
455 6 : TmpS += R2S;
456 3 : BOOST_CHECK(TmpS == R1S + R2S);
457 3 : BOOST_CHECK(OneS+MaxS == ZeroS);
458 3 : BOOST_CHECK(MaxS+OneS == ZeroS);
459 160 : for (unsigned int i = 1; i < 160; ++i) {
460 477 : BOOST_CHECK( (MaxS >> i) + OneS == (HalfS >> (i-1)) );
461 477 : BOOST_CHECK( OneS + (MaxS >> i) == (HalfS >> (i-1)) );
462 1113 : TmpS = (MaxS>>i); TmpS += OneS;
463 318 : BOOST_CHECK( TmpS == (HalfS >> (i-1)) );
464 1113 : TmpS = (MaxS>>i); TmpS += 1;
465 318 : BOOST_CHECK( TmpS == (HalfS >> (i-1)) );
466 1113 : TmpS = (MaxS>>i);
467 477 : BOOST_CHECK( TmpS++ == (MaxS>>i) );
468 318 : BOOST_CHECK( TmpS == (HalfS >> (i-1)));
469 : }
470 6 : BOOST_CHECK(arith_uint160(0xbedc77e27940a7ULL) + 0xee8d836fce66fbULL == arith_uint160(0xbedc77e27940a7ULL + 0xee8d836fce66fbULL));
471 7 : TmpS = arith_uint160(0xbedc77e27940a7ULL); TmpS += 0xee8d836fce66fbULL;
472 3 : BOOST_CHECK(TmpS == arith_uint160(0xbedc77e27940a7ULL+0xee8d836fce66fbULL));
473 2 : TmpS -= 0xee8d836fce66fbULL; BOOST_CHECK(TmpS == 0xbedc77e27940a7ULL);
474 6 : TmpS = R1S;
475 4 : BOOST_CHECK(++TmpS == R1S+1);
476 :
477 3 : BOOST_CHECK(R1S -(-R2S) == R1S+R2S);
478 3 : BOOST_CHECK(R1S -(-OneS) == R1S+OneS);
479 3 : BOOST_CHECK(R1S - OneS == R1S+(-OneS));
480 160 : for (unsigned int i = 1; i < 160; ++i) {
481 318 : BOOST_CHECK((MaxS>>i) - (-OneS) == (HalfS >> (i-1)));
482 318 : BOOST_CHECK((HalfS >> (i-1)) - OneS == (MaxS>>i));
483 1113 : TmpS = (HalfS >> (i-1));
484 477 : BOOST_CHECK(TmpS-- == (HalfS >> (i-1)));
485 318 : BOOST_CHECK(TmpS == (MaxS >> i));
486 1113 : TmpS = (HalfS >> (i-1));
487 477 : BOOST_CHECK(--TmpS == (MaxS >> i));
488 : }
489 6 : TmpS = R1S;
490 4 : BOOST_CHECK(--TmpS == R1S-1);
491 :
492 1 : }
493 :
494 2 : BOOST_AUTO_TEST_CASE( multiply )
495 : {
496 4 : BOOST_CHECK((R1L * R1L).ToString() == "62a38c0486f01e45879d7910a7761bf30d5237e9873f9bff3642a732c4d84f10");
497 4 : BOOST_CHECK((R1L * R2L).ToString() == "de37805e9986996cfba76ff6ba51c008df851987d9dd323f0e5de07760529c40");
498 2 : BOOST_CHECK((R1L * ZeroL) == ZeroL);
499 2 : BOOST_CHECK((R1L * OneL) == R1L);
500 2 : BOOST_CHECK((R1L * MaxL) == -R1L);
501 2 : BOOST_CHECK((R2L * R1L) == (R1L * R2L));
502 4 : BOOST_CHECK((R2L * R2L).ToString() == "ac8c010096767d3cae5005dec28bb2b45a1d85ab7996ccd3e102a650f74ff100");
503 2 : BOOST_CHECK((R2L * ZeroL) == ZeroL);
504 2 : BOOST_CHECK((R2L * OneL) == R2L);
505 2 : BOOST_CHECK((R2L * MaxL) == -R2L);
506 :
507 4 : BOOST_CHECK((R1S * R1S).ToString() == "a7761bf30d5237e9873f9bff3642a732c4d84f10");
508 4 : BOOST_CHECK((R1S * R2S).ToString() == "ba51c008df851987d9dd323f0e5de07760529c40");
509 2 : BOOST_CHECK((R1S * ZeroS) == ZeroS);
510 2 : BOOST_CHECK((R1S * OneS) == R1S);
511 2 : BOOST_CHECK((R1S * MaxS) == -R1S);
512 2 : BOOST_CHECK((R2S * R1S) == (R1S * R2S));
513 4 : BOOST_CHECK((R2S * R2S).ToString() == "c28bb2b45a1d85ab7996ccd3e102a650f74ff100");
514 2 : BOOST_CHECK((R2S * ZeroS) == ZeroS);
515 2 : BOOST_CHECK((R2S * OneS) == R2S);
516 2 : BOOST_CHECK((R2S * MaxS) == -R2S);
517 :
518 2 : BOOST_CHECK(MaxL * MaxL == OneL);
519 2 : BOOST_CHECK(MaxS * MaxS == OneS);
520 :
521 3 : BOOST_CHECK((R1L * 0) == 0);
522 2 : BOOST_CHECK((R1L * 1) == R1L);
523 4 : BOOST_CHECK((R1L * 3).ToString() == "7759b1c0ed14047f961ad09b20ff83687876a0181a367b813634046f91def7d4");
524 4 : BOOST_CHECK((R2L * 0x87654321UL).ToString() == "23f7816e30c4ae2017257b7a0fa64d60402f5234d46e746b61c960d09a26d070");
525 3 : BOOST_CHECK((R1S * 0) == 0);
526 2 : BOOST_CHECK((R1S * 1) == R1S);
527 4 : BOOST_CHECK((R1S * 7).ToString() == "f7a987f3c3bf758d927f202d7e795faeff084244");
528 4 : BOOST_CHECK((R2S * 0xFFFFFFFFUL).ToString() == "1c6f6c930353e17f7d6127213bb18d2883e2cd90");
529 1 : }
530 :
531 2 : BOOST_AUTO_TEST_CASE( divide )
532 : {
533 2 : arith_uint256 D1L("AD7133AC1977FA2B7");
534 2 : arith_uint256 D2L("ECD751716");
535 4 : BOOST_CHECK((R1L / D1L).ToString() == "00000000000000000b8ac01106981635d9ed112290f8895545a7654dde28fb3a");
536 4 : BOOST_CHECK((R1L / D2L).ToString() == "000000000873ce8efec5b67150bad3aa8c5fcb70e947586153bf2cec7c37c57a");
537 2 : BOOST_CHECK(R1L / OneL == R1L);
538 2 : BOOST_CHECK(R1L / MaxL == ZeroL);
539 3 : BOOST_CHECK(MaxL / R1L == 2);
540 2 : BOOST_CHECK_THROW(R1L / ZeroL, uint_error);
541 4 : BOOST_CHECK((R2L / D1L).ToString() == "000000000000000013e1665895a1cc981de6d93670105a6b3ec3b73141b3a3c5");
542 4 : BOOST_CHECK((R2L / D2L).ToString() == "000000000e8f0abe753bb0afe2e9437ee85d280be60882cf0bd1aaf7fa3cc2c4");
543 2 : BOOST_CHECK(R2L / OneL == R2L);
544 2 : BOOST_CHECK(R2L / MaxL == ZeroL);
545 3 : BOOST_CHECK(MaxL / R2L == 1);
546 2 : BOOST_CHECK_THROW(R2L / ZeroL, uint_error);
547 :
548 2 : arith_uint160 D1S("D3C5EDCDEA54EB92679F0A4B4");
549 2 : arith_uint160 D2S("13037");
550 4 : BOOST_CHECK((R1S / D1S).ToString() == "0000000000000000000000000db9af3beade6c02");
551 4 : BOOST_CHECK((R1S / D2S).ToString() == "000098dfb6cc40ca592bf74366794f298ada205c");
552 2 : BOOST_CHECK(R1S / OneS == R1S);
553 2 : BOOST_CHECK(R1S / MaxS == ZeroS);
554 3 : BOOST_CHECK(MaxS / R1S == 1);
555 2 : BOOST_CHECK_THROW(R1S / ZeroS, uint_error);
556 4 : BOOST_CHECK((R2S / D1S).ToString() == "0000000000000000000000000c5608e781182047");
557 4 : BOOST_CHECK((R2S / D2S).ToString() == "00008966751b7187c3c67c1fda5cea7db2c1c069");
558 2 : BOOST_CHECK(R2S / OneS == R2S);
559 2 : BOOST_CHECK(R2S / MaxS == ZeroS);
560 3 : BOOST_CHECK(MaxS / R2S == 1);
561 2 : BOOST_CHECK_THROW(R2S / ZeroS, uint_error);
562 1 : }
563 :
564 :
565 310 : bool almostEqual(double d1, double d2)
566 : {
567 310 : return fabs(d1-d2) <= 4*fabs(d1)*std::numeric_limits<double>::epsilon();
568 : }
569 :
570 2 : BOOST_AUTO_TEST_CASE( methods ) // GetHex SetHex begin() end() size() GetLow64 GetSerializeSize, Serialize, Unserialize
571 : {
572 4 : BOOST_CHECK(R1L.GetHex() == R1L.ToString());
573 4 : BOOST_CHECK(R2L.GetHex() == R2L.ToString());
574 4 : BOOST_CHECK(OneL.GetHex() == OneL.ToString());
575 4 : BOOST_CHECK(MaxL.GetHex() == MaxL.ToString());
576 1 : arith_uint256 TmpL(R1L);
577 2 : BOOST_CHECK(TmpL == R1L);
578 3 : TmpL.SetHex(R2L.ToString()); BOOST_CHECK(TmpL == R2L);
579 3 : TmpL.SetHex(ZeroL.ToString()); BOOST_CHECK(TmpL == 0);
580 3 : TmpL.SetHex(HalfL.ToString()); BOOST_CHECK(TmpL == HalfL);
581 :
582 1 : TmpL.SetHex(R1L.ToString());
583 2 : BOOST_CHECK(memcmp(R1L.begin(), R1Array, 32)==0);
584 2 : BOOST_CHECK(memcmp(TmpL.begin(), R1Array, 32)==0);
585 2 : BOOST_CHECK(memcmp(R2L.begin(), R2Array, 32)==0);
586 2 : BOOST_CHECK(memcmp(ZeroL.begin(), ZeroArray, 32)==0);
587 2 : BOOST_CHECK(memcmp(OneL.begin(), OneArray, 32)==0);
588 2 : BOOST_CHECK(R1L.size() == 32);
589 2 : BOOST_CHECK(R2L.size() == 32);
590 2 : BOOST_CHECK(ZeroL.size() == 32);
591 2 : BOOST_CHECK(MaxL.size() == 32);
592 2 : BOOST_CHECK(R1L.begin() + 32 == R1L.end());
593 2 : BOOST_CHECK(R2L.begin() + 32 == R2L.end());
594 2 : BOOST_CHECK(OneL.begin() + 32 == OneL.end());
595 2 : BOOST_CHECK(MaxL.begin() + 32 == MaxL.end());
596 2 : BOOST_CHECK(TmpL.begin() + 32 == TmpL.end());
597 2 : BOOST_CHECK(R1L.GetLow64() == R1LLow64);
598 2 : BOOST_CHECK(HalfL.GetLow64() ==0x0000000000000000ULL);
599 2 : BOOST_CHECK(OneL.GetLow64() ==0x0000000000000001ULL);
600 2 : BOOST_CHECK(GetSerializeSize(R1L, PROTOCOL_VERSION) == 32);
601 2 : BOOST_CHECK(GetSerializeSize(ZeroL, PROTOCOL_VERSION) == 32);
602 :
603 1 : CDataStream ss(0, PROTOCOL_VERSION);
604 1 : ss << R1L;
605 5 : BOOST_CHECK(ss.str() == std::string(R1Array,R1Array+32));
606 1 : ss >> TmpL;
607 2 : BOOST_CHECK(R1L == TmpL);
608 1 : ss.clear();
609 1 : ss << ZeroL;
610 5 : BOOST_CHECK(ss.str() == std::string(ZeroArray,ZeroArray+32));
611 1 : ss >> TmpL;
612 2 : BOOST_CHECK(ZeroL == TmpL);
613 1 : ss.clear();
614 1 : ss << MaxL;
615 5 : BOOST_CHECK(ss.str() == std::string(MaxArray,MaxArray+32));
616 1 : ss >> TmpL;
617 2 : BOOST_CHECK(MaxL == TmpL);
618 1 : ss.clear();
619 :
620 4 : BOOST_CHECK(R1S.GetHex() == R1S.ToString());
621 4 : BOOST_CHECK(R2S.GetHex() == R2S.ToString());
622 4 : BOOST_CHECK(OneS.GetHex() == OneS.ToString());
623 4 : BOOST_CHECK(MaxS.GetHex() == MaxS.ToString());
624 1 : arith_uint160 TmpS(R1S);
625 2 : BOOST_CHECK(TmpS == R1S);
626 3 : TmpS.SetHex(R2S.ToString()); BOOST_CHECK(TmpS == R2S);
627 3 : TmpS.SetHex(ZeroS.ToString()); BOOST_CHECK(TmpS == 0);
628 3 : TmpS.SetHex(HalfS.ToString()); BOOST_CHECK(TmpS == HalfS);
629 :
630 1 : TmpS.SetHex(R1S.ToString());
631 2 : BOOST_CHECK(memcmp(R1S.begin(), R1Array, 20)==0);
632 2 : BOOST_CHECK(memcmp(TmpS.begin(), R1Array, 20)==0);
633 2 : BOOST_CHECK(memcmp(R2S.begin(), R2Array, 20)==0);
634 2 : BOOST_CHECK(memcmp(ZeroS.begin(), ZeroArray, 20)==0);
635 2 : BOOST_CHECK(memcmp(OneS.begin(), OneArray, 20)==0);
636 2 : BOOST_CHECK(R1S.size() == 20);
637 2 : BOOST_CHECK(R2S.size() == 20);
638 2 : BOOST_CHECK(ZeroS.size() == 20);
639 2 : BOOST_CHECK(MaxS.size() == 20);
640 2 : BOOST_CHECK(R1S.begin() + 20 == R1S.end());
641 2 : BOOST_CHECK(R2S.begin() + 20 == R2S.end());
642 2 : BOOST_CHECK(OneS.begin() + 20 == OneS.end());
643 2 : BOOST_CHECK(MaxS.begin() + 20 == MaxS.end());
644 2 : BOOST_CHECK(TmpS.begin() + 20 == TmpS.end());
645 2 : BOOST_CHECK(R1S.GetLow64() == R1LLow64);
646 2 : BOOST_CHECK(HalfS.GetLow64() ==0x0000000000000000ULL);
647 2 : BOOST_CHECK(OneS.GetLow64() ==0x0000000000000001ULL);
648 2 : BOOST_CHECK(GetSerializeSize(R1S, PROTOCOL_VERSION) == 20);
649 2 : BOOST_CHECK(GetSerializeSize(ZeroS, PROTOCOL_VERSION) == 20);
650 :
651 1 : ss << R1S;
652 5 : BOOST_CHECK(ss.str() == std::string(R1Array,R1Array+20));
653 1 : ss >> TmpS;
654 2 : BOOST_CHECK(R1S == TmpS);
655 1 : ss.clear();
656 1 : ss << ZeroS;
657 5 : BOOST_CHECK(ss.str() == std::string(ZeroArray,ZeroArray+20));
658 1 : ss >> TmpS;
659 2 : BOOST_CHECK(ZeroS == TmpS);
660 1 : ss.clear();
661 1 : ss << MaxS;
662 5 : BOOST_CHECK(ss.str() == std::string(MaxArray,MaxArray+20));
663 1 : ss >> TmpS;
664 2 : BOOST_CHECK(MaxS == TmpS);
665 1 : ss.clear();
666 :
667 256 : for (unsigned int i = 0; i < 255; ++i)
668 : {
669 510 : BOOST_CHECK((OneL << i).getdouble() == ldexp(1.0,i));
670 415 : if (i < 160) BOOST_CHECK((OneS << i).getdouble() == ldexp(1.0,i));
671 : }
672 2 : BOOST_CHECK(ZeroL.getdouble() == 0.0);
673 2 : BOOST_CHECK(ZeroS.getdouble() == 0.0);
674 204 : for (int i = 256; i > 53; --i)
675 406 : BOOST_CHECK(almostEqual((R1L>>(256-i)).getdouble(), ldexp(R1Ldouble,i)));
676 108 : for (int i = 160; i > 53; --i)
677 214 : BOOST_CHECK(almostEqual((R1S>>(160-i)).getdouble(), ldexp(R1Sdouble,i)));
678 1 : uint64_t R1L64part = (R1L>>192).GetLow64();
679 1 : uint64_t R1S64part = (R1S>>96).GetLow64();
680 54 : for (int i = 53; i > 0; --i) // doubles can store all integers in {0,...,2^54-1} exactly
681 : {
682 106 : BOOST_CHECK((R1L>>(256-i)).getdouble() == (double)(R1L64part >> (64-i)));
683 106 : BOOST_CHECK((R1S>>(160-i)).getdouble() == (double)(R1S64part >> (64-i)));
684 : }
685 1 : }
686 :
687 2 : BOOST_AUTO_TEST_CASE(bignum_SetCompact)
688 : {
689 1 : arith_uint256 num;
690 1 : bool fNegative;
691 1 : bool fOverflow;
692 1 : num.SetCompact(0, &fNegative, &fOverflow);
693 2 : BOOST_CHECK_EQUAL(num.GetHex(), "0000000000000000000000000000000000000000000000000000000000000000");
694 1 : BOOST_CHECK_EQUAL(num.GetCompact(), 0U);
695 1 : BOOST_CHECK_EQUAL(fNegative, false);
696 1 : BOOST_CHECK_EQUAL(fOverflow, false);
697 :
698 1 : num.SetCompact(0x00123456, &fNegative, &fOverflow);
699 2 : BOOST_CHECK_EQUAL(num.GetHex(), "0000000000000000000000000000000000000000000000000000000000000000");
700 1 : BOOST_CHECK_EQUAL(num.GetCompact(), 0U);
701 1 : BOOST_CHECK_EQUAL(fNegative, false);
702 1 : BOOST_CHECK_EQUAL(fOverflow, false);
703 :
704 1 : num.SetCompact(0x01003456, &fNegative, &fOverflow);
705 2 : BOOST_CHECK_EQUAL(num.GetHex(), "0000000000000000000000000000000000000000000000000000000000000000");
706 1 : BOOST_CHECK_EQUAL(num.GetCompact(), 0U);
707 1 : BOOST_CHECK_EQUAL(fNegative, false);
708 1 : BOOST_CHECK_EQUAL(fOverflow, false);
709 :
710 1 : num.SetCompact(0x02000056, &fNegative, &fOverflow);
711 2 : BOOST_CHECK_EQUAL(num.GetHex(), "0000000000000000000000000000000000000000000000000000000000000000");
712 1 : BOOST_CHECK_EQUAL(num.GetCompact(), 0U);
713 1 : BOOST_CHECK_EQUAL(fNegative, false);
714 1 : BOOST_CHECK_EQUAL(fOverflow, false);
715 :
716 1 : num.SetCompact(0x03000000, &fNegative, &fOverflow);
717 2 : BOOST_CHECK_EQUAL(num.GetHex(), "0000000000000000000000000000000000000000000000000000000000000000");
718 1 : BOOST_CHECK_EQUAL(num.GetCompact(), 0U);
719 1 : BOOST_CHECK_EQUAL(fNegative, false);
720 1 : BOOST_CHECK_EQUAL(fOverflow, false);
721 :
722 1 : num.SetCompact(0x04000000, &fNegative, &fOverflow);
723 2 : BOOST_CHECK_EQUAL(num.GetHex(), "0000000000000000000000000000000000000000000000000000000000000000");
724 1 : BOOST_CHECK_EQUAL(num.GetCompact(), 0U);
725 1 : BOOST_CHECK_EQUAL(fNegative, false);
726 1 : BOOST_CHECK_EQUAL(fOverflow, false);
727 :
728 1 : num.SetCompact(0x00923456, &fNegative, &fOverflow);
729 2 : BOOST_CHECK_EQUAL(num.GetHex(), "0000000000000000000000000000000000000000000000000000000000000000");
730 1 : BOOST_CHECK_EQUAL(num.GetCompact(), 0U);
731 1 : BOOST_CHECK_EQUAL(fNegative, false);
732 1 : BOOST_CHECK_EQUAL(fOverflow, false);
733 :
734 1 : num.SetCompact(0x01803456, &fNegative, &fOverflow);
735 2 : BOOST_CHECK_EQUAL(num.GetHex(), "0000000000000000000000000000000000000000000000000000000000000000");
736 1 : BOOST_CHECK_EQUAL(num.GetCompact(), 0U);
737 1 : BOOST_CHECK_EQUAL(fNegative, false);
738 1 : BOOST_CHECK_EQUAL(fOverflow, false);
739 :
740 1 : num.SetCompact(0x02800056, &fNegative, &fOverflow);
741 2 : BOOST_CHECK_EQUAL(num.GetHex(), "0000000000000000000000000000000000000000000000000000000000000000");
742 1 : BOOST_CHECK_EQUAL(num.GetCompact(), 0U);
743 1 : BOOST_CHECK_EQUAL(fNegative, false);
744 1 : BOOST_CHECK_EQUAL(fOverflow, false);
745 :
746 1 : num.SetCompact(0x03800000, &fNegative, &fOverflow);
747 2 : BOOST_CHECK_EQUAL(num.GetHex(), "0000000000000000000000000000000000000000000000000000000000000000");
748 1 : BOOST_CHECK_EQUAL(num.GetCompact(), 0U);
749 1 : BOOST_CHECK_EQUAL(fNegative, false);
750 1 : BOOST_CHECK_EQUAL(fOverflow, false);
751 :
752 1 : num.SetCompact(0x04800000, &fNegative, &fOverflow);
753 2 : BOOST_CHECK_EQUAL(num.GetHex(), "0000000000000000000000000000000000000000000000000000000000000000");
754 1 : BOOST_CHECK_EQUAL(num.GetCompact(), 0U);
755 1 : BOOST_CHECK_EQUAL(fNegative, false);
756 1 : BOOST_CHECK_EQUAL(fOverflow, false);
757 :
758 1 : num.SetCompact(0x01123456, &fNegative, &fOverflow);
759 2 : BOOST_CHECK_EQUAL(num.GetHex(), "0000000000000000000000000000000000000000000000000000000000000012");
760 1 : BOOST_CHECK_EQUAL(num.GetCompact(), 0x01120000U);
761 1 : BOOST_CHECK_EQUAL(fNegative, false);
762 1 : BOOST_CHECK_EQUAL(fOverflow, false);
763 :
764 : // Make sure that we don't generate compacts with the 0x00800000 bit set
765 10 : num = 0x80;
766 1 : BOOST_CHECK_EQUAL(num.GetCompact(), 0x02008000U);
767 :
768 1 : num.SetCompact(0x01fedcba, &fNegative, &fOverflow);
769 2 : BOOST_CHECK_EQUAL(num.GetHex(), "000000000000000000000000000000000000000000000000000000000000007e");
770 1 : BOOST_CHECK_EQUAL(num.GetCompact(true), 0x01fe0000U);
771 1 : BOOST_CHECK_EQUAL(fNegative, true);
772 1 : BOOST_CHECK_EQUAL(fOverflow, false);
773 :
774 1 : num.SetCompact(0x02123456, &fNegative, &fOverflow);
775 2 : BOOST_CHECK_EQUAL(num.GetHex(), "0000000000000000000000000000000000000000000000000000000000001234");
776 1 : BOOST_CHECK_EQUAL(num.GetCompact(), 0x02123400U);
777 1 : BOOST_CHECK_EQUAL(fNegative, false);
778 1 : BOOST_CHECK_EQUAL(fOverflow, false);
779 :
780 1 : num.SetCompact(0x03123456, &fNegative, &fOverflow);
781 2 : BOOST_CHECK_EQUAL(num.GetHex(), "0000000000000000000000000000000000000000000000000000000000123456");
782 1 : BOOST_CHECK_EQUAL(num.GetCompact(), 0x03123456U);
783 1 : BOOST_CHECK_EQUAL(fNegative, false);
784 1 : BOOST_CHECK_EQUAL(fOverflow, false);
785 :
786 1 : num.SetCompact(0x04123456, &fNegative, &fOverflow);
787 2 : BOOST_CHECK_EQUAL(num.GetHex(), "0000000000000000000000000000000000000000000000000000000012345600");
788 1 : BOOST_CHECK_EQUAL(num.GetCompact(), 0x04123456U);
789 1 : BOOST_CHECK_EQUAL(fNegative, false);
790 1 : BOOST_CHECK_EQUAL(fOverflow, false);
791 :
792 1 : num.SetCompact(0x04923456, &fNegative, &fOverflow);
793 2 : BOOST_CHECK_EQUAL(num.GetHex(), "0000000000000000000000000000000000000000000000000000000012345600");
794 1 : BOOST_CHECK_EQUAL(num.GetCompact(true), 0x04923456U);
795 1 : BOOST_CHECK_EQUAL(fNegative, true);
796 1 : BOOST_CHECK_EQUAL(fOverflow, false);
797 :
798 1 : num.SetCompact(0x05009234, &fNegative, &fOverflow);
799 2 : BOOST_CHECK_EQUAL(num.GetHex(), "0000000000000000000000000000000000000000000000000000000092340000");
800 1 : BOOST_CHECK_EQUAL(num.GetCompact(), 0x05009234U);
801 1 : BOOST_CHECK_EQUAL(fNegative, false);
802 1 : BOOST_CHECK_EQUAL(fOverflow, false);
803 :
804 1 : num.SetCompact(0x20123456, &fNegative, &fOverflow);
805 2 : BOOST_CHECK_EQUAL(num.GetHex(), "1234560000000000000000000000000000000000000000000000000000000000");
806 1 : BOOST_CHECK_EQUAL(num.GetCompact(), 0x20123456U);
807 1 : BOOST_CHECK_EQUAL(fNegative, false);
808 1 : BOOST_CHECK_EQUAL(fOverflow, false);
809 :
810 1 : num.SetCompact(0xff123456, &fNegative, &fOverflow);
811 1 : BOOST_CHECK_EQUAL(fNegative, false);
812 1 : BOOST_CHECK_EQUAL(fOverflow, true);
813 1 : }
814 :
815 :
816 2 : BOOST_AUTO_TEST_CASE( getmaxcoverage ) // some more tests just to get 100% coverage
817 : {
818 : // ~R1L give a base_uint<256>
819 20 : BOOST_CHECK((~~R1L >> 10) == (R1L >> 10)); BOOST_CHECK((~~R1S >> 10) == (R1S >> 10));
820 20 : BOOST_CHECK((~~R1L << 10) == (R1L << 10)); BOOST_CHECK((~~R1S << 10) == (R1S << 10));
821 33 : BOOST_CHECK(!(~~R1L < R1L)); BOOST_CHECK(!(~~R1S < R1S));
822 33 : BOOST_CHECK(~~R1L <= R1L); BOOST_CHECK(~~R1S <= R1S);
823 33 : BOOST_CHECK(!(~~R1L > R1L)); BOOST_CHECK(!(~~R1S > R1S));
824 33 : BOOST_CHECK(~~R1L >= R1L); BOOST_CHECK(~~R1S >= R1S);
825 33 : BOOST_CHECK(!(R1L < ~~R1L)); BOOST_CHECK(!(R1S < ~~R1S));
826 33 : BOOST_CHECK(R1L <= ~~R1L); BOOST_CHECK(R1S <= ~~R1S);
827 33 : BOOST_CHECK(!(R1L > ~~R1L)); BOOST_CHECK(!(R1S > ~~R1S));
828 33 : BOOST_CHECK(R1L >= ~~R1L); BOOST_CHECK(R1S >= ~~R1S);
829 :
830 40 : BOOST_CHECK(~~R1L + R2L == R1L + ~~R2L);
831 28 : BOOST_CHECK(~~R1S + R2S == R1S + ~~R2S);
832 30 : BOOST_CHECK(~~R1L - R2L == R1L - ~~R2L);
833 21 : BOOST_CHECK(~~R1S - R2S == R1S - ~~R2S);
834 21 : BOOST_CHECK(~R1L != R1L); BOOST_CHECK(R1L != ~R1L);
835 15 : BOOST_CHECK(~R1S != R1S); BOOST_CHECK(R1S != ~R1S);
836 1 : unsigned char TmpArray[32];
837 76 : CHECKBITWISEOPERATOR(~R1,R2,|)
838 76 : CHECKBITWISEOPERATOR(~R1,R2,^)
839 76 : CHECKBITWISEOPERATOR(~R1,R2,&)
840 76 : CHECKBITWISEOPERATOR(R1,~R2,|)
841 76 : CHECKBITWISEOPERATOR(R1,~R2,^)
842 76 : CHECKBITWISEOPERATOR(R1,~R2,&)
843 1 : }
844 :
845 : BOOST_AUTO_TEST_SUITE_END()
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