github.com/nspcc-dev/neo-go@v0.105.2-0.20240517133400-6be757af3eba/pkg/encoding/bigint/bigint_test.go (about) 1 package bigint 2 3 import ( 4 "math" 5 "math/big" 6 "testing" 7 8 "github.com/nspcc-dev/neo-go/pkg/util/slice" 9 "github.com/stretchr/testify/assert" 10 "github.com/stretchr/testify/require" 11 ) 12 13 // testCases were generated using C# node 14 // https://dotnetfiddle.net/trQ4xt 15 var testCases = []struct { 16 number int64 17 buf []byte 18 }{ 19 {0, []byte{}}, 20 {1, []byte{1}}, 21 {-1, []byte{255}}, 22 {2, []byte{2}}, 23 {-2, []byte{254}}, 24 {127, []byte{127}}, 25 {-127, []byte{129}}, 26 {128, []byte{128, 0}}, 27 {-128, []byte{128}}, 28 {129, []byte{129, 0}}, 29 {-129, []byte{127, 255}}, 30 {255, []byte{255, 0}}, 31 {-255, []byte{1, 255}}, 32 {256, []byte{0, 1}}, 33 {-256, []byte{0, 255}}, 34 {123456789, []byte{21, 205, 91, 7}}, 35 {-123456789, []byte{235, 50, 164, 248}}, 36 {-6777216, []byte{128, 150, 152}}, // tx c8ba2ce29e07447639b9b658db3930c4cce617652d325e78b768ee9d4dbd72b8 37 {6777216, []byte{128, 105, 103}}, 38 39 {32639, []byte{127, 127}}, 40 {-32641, []byte{127, 128}}, 41 {8355711, []byte{127, 127, 127}}, 42 {-8355969, []byte{127, 127, 128}}, 43 {2139062143, []byte{127, 127, 127, 127}}, 44 {-2139127937, []byte{127, 127, 127, 128}}, 45 {547599908735, []byte{127, 127, 127, 127, 127}}, 46 {-547616751745, []byte{127, 127, 127, 127, 128}}, 47 {140185576636287, []byte{127, 127, 127, 127, 127, 127}}, 48 {-140189888446593, []byte{127, 127, 127, 127, 127, 128}}, 49 {35887507618889599, []byte{127, 127, 127, 127, 127, 127, 127}}, 50 {-35888611442327681, []byte{127, 127, 127, 127, 127, 127, 128}}, 51 {9187201950435737471, []byte{127, 127, 127, 127, 127, 127, 127, 127}}, 52 {-9187484529235886209, []byte{127, 127, 127, 127, 127, 127, 127, 128}}, 53 54 // https://github.com/dotnet/runtime/blob/master/src/libraries/System.Runtime.Numerics/tests/BigInteger/ToByteArray.cs#L14 55 // {0, []byte{0x00}}, commented because this test check default `BigInteger` serialization, not NEO3 serialization. 56 {3, []byte{0x03}}, 57 {128, []byte{0x80, 0x00}}, 58 {200, []byte{0xc8, 0x00}}, 59 {256, []byte{0x00, 0x01}}, 60 {2005, []byte{0xd5, 0x07}}, 61 {10197, []byte{0xd5, 0x27}}, 62 {33023, []byte{0xff, 0x80, 0x00}}, 63 {2368349, []byte{0x5d, 0x23, 0x24}}, 64 {10756957, []byte{0x5d, 0x23, 0xa4, 0x00}}, 65 {193100307, []byte{0x13, 0x7a, 0x82, 0x0b}}, 66 {1266842131, []byte{0x13, 0x7a, 0x82, 0x4b}}, 67 {math.MaxInt32, []byte{0xff, 0xff, 0xff, 0x7f}}, 68 {-1, []byte{0xff}}, 69 {-128, []byte{0x80}}, 70 {-172, []byte{0x54, 0xff}}, 71 {-23439, []byte{0x71, 0xa4}}, 72 {-51301, []byte{0x9b, 0x37, 0xff}}, 73 {-126341, []byte{0x7b, 0x12, 0xfe}}, 74 {-13194515, []byte{0xed, 0xaa, 0x36, 0xff}}, 75 {-2068145902, []byte{0x12, 0x99, 0xba, 0x84}}, 76 {math.MinInt32, []byte{0x00, 0x00, 0x00, 0x80}}, 77 78 // https://github.com/dotnet/runtime/blob/master/src/libraries/System.Runtime.Numerics/tests/BigInteger/ToByteArray.cs#L53 79 {0x100112233, []byte{0x33, 0x22, 0x11, 0x00, 0x01}}, 80 {0x300112233, []byte{0x33, 0x22, 0x11, 0x00, 0x03}}, 81 {0x8000112233, []byte{0x33, 0x22, 0x11, 0x00, 0x80, 0x00}}, 82 {0x3cd00112233, []byte{0x33, 0x22, 0x11, 0x00, 0xcd, 0x03}}, 83 {0xf92100112233, []byte{0x33, 0x22, 0x11, 0x00, 0x21, 0xf9, 0x00}}, 84 {0x749aa00112233, []byte{0x33, 0x22, 0x11, 0x00, 0xaa, 0x49, 0x07}}, 85 {0x80112200112233, []byte{0x33, 0x22, 0x11, 0x00, 0x22, 0x11, 0x80, 0x00}}, 86 {0x7654321000112233, []byte{0x33, 0x22, 0x11, 0x00, 0x10, 0x32, 0x54, 0x76}}, 87 {math.MaxInt64, []byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f}}, 88 {-0x100112233, []byte{0xcd, 0xdd, 0xee, 0xff, 0xfe}}, 89 {-0x8000112233, []byte{0xcd, 0xdd, 0xee, 0xff, 0x7f, 0xff}}, 90 {-0x3cd00112233, []byte{0xcd, 0xdd, 0xee, 0xff, 0x32, 0xfc}}, 91 {-0xf92100112233, []byte{0xcd, 0xdd, 0xee, 0xff, 0xde, 0x06, 0xff}}, 92 {-0x749aa00112233, []byte{0xcd, 0xdd, 0xee, 0xff, 0x55, 0xb6, 0xf8}}, 93 {-0x80112200112233, []byte{0xcd, 0xdd, 0xee, 0xff, 0xdd, 0xee, 0x7f, 0xff}}, 94 {-0x7654321000112233, []byte{0xcd, 0xdd, 0xee, 0xff, 0xef, 0xcd, 0xab, 0x89}}, 95 {math.MinInt64, []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80}}, 96 {-0x100000000, []byte{0x00, 0x00, 0x00, 0x00, 0xff}}, 97 {-0x300000000, []byte{0x00, 0x00, 0x00, 0x00, 0xfd}}, 98 {-0x8000000000, []byte{0x00, 0x00, 0x00, 0x00, 0x80}}, 99 {-0xfe00000000, []byte{0x00, 0x00, 0x00, 0x00, 0x02, 0xff}}, 100 {-0xff00000000, []byte{0x00, 0x00, 0x00, 0x00, 0x01, 0xff}}, 101 {-0xfeff00000000, []byte{0x00, 0x00, 0x00, 0x00, 0x01, 0x01, 0xff}}, 102 {-0xffff00000000, []byte{0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0xff}}, 103 {-0xfeffff00000000, []byte{0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, 0xff}}, 104 {-0xffffff00000000, []byte{0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0xff}}, 105 } 106 107 func TestIntToBytes(t *testing.T) { 108 for _, tc := range testCases { 109 num := big.NewInt(tc.number) 110 var numC = *num // See #2864. 111 buf := ToBytes(num) 112 assert.Equal(t, tc.buf, buf, "error while converting %d", tc.number) 113 _ = numC.Neg(&numC) 114 _ = ToBytes(&numC) 115 _ = numC.Neg(&numC) 116 assert.Equal(t, num, &numC, "number mismatch after converting %d", tc.number) 117 } 118 } 119 120 func TestBytesToInt(t *testing.T) { 121 for _, tc := range testCases { 122 num := FromBytes(tc.buf) 123 assert.Equal(t, tc.number, num.Int64(), "error while converting %d", tc.number) 124 } 125 126 t.Run("empty array", func(t *testing.T) { 127 require.EqualValues(t, 0, FromBytes([]byte{}).Int64()) 128 }) 129 } 130 131 var unsignedCases = []struct { 132 number int64 133 buf []byte 134 }{ 135 {0xff00000000, []byte{0x00, 0x00, 0x00, 0x00, 0xff}}, 136 {0xfd00000000, []byte{0x00, 0x00, 0x00, 0x00, 0xfd}}, 137 {0x8000000000, []byte{0x00, 0x00, 0x00, 0x00, 0x80}}, 138 {0xff0200000000, []byte{0x00, 0x00, 0x00, 0x00, 0x02, 0xff}}, 139 {0xff0100000000, []byte{0x00, 0x00, 0x00, 0x00, 0x01, 0xff}}, 140 {0xff0100000000, []byte{0x00, 0x00, 0x00, 0x00, 0x01, 0xff, 0x00}}, 141 } 142 143 func TestBytesToUnsigned(t *testing.T) { 144 for _, tc := range testCases { 145 if tc.number > 0 { 146 num := FromBytesUnsigned(tc.buf) 147 assert.Equal(t, tc.number, num.Int64(), "expected %x, got %x", tc.number, num.Int64()) 148 } 149 } 150 for _, tc := range unsignedCases { 151 num := FromBytesUnsigned(tc.buf) 152 assert.Equal(t, tc.number, num.Int64(), "expected %x, got %x", tc.number, num.Int64()) 153 } 154 } 155 156 func TestEquivalentRepresentations(t *testing.T) { 157 for _, tc := range testCases { 158 buf := tc.buf 159 if tc.number >= 0 { 160 buf = append(buf, 0, 0, 0) 161 } else { 162 buf = append(buf, 0xFF, 0xFF, 0xFF) 163 } 164 165 num := FromBytes(buf) 166 assert.Equal(t, tc.number, num.Int64(), "error while converting %d", tc.number) 167 } 168 } 169 170 var stringCases = []struct { 171 numStr string 172 buf []byte 173 }{ 174 {"-1256271214286163627607479687759920896", []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 255}}, 175 {"168884912246183068104079824028124185087", []byte{255, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 127}}, 176 {"1402184777283668118200134432800768511", []byte{255, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 1}}, 177 {"-43536131589161850832973096317989605473920", []byte{128, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 128}}, 178 {"43235871975677457350187428577111288447360", []byte{128, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 127}}, 179 } 180 181 // this cases are from stdlib 182 // https://github.com/dotnet/runtime/blob/master/src/libraries/System.Runtime.Numerics/tests/BigInteger/ToByteArray.cs#L96 183 // note that they are in big-endian. 184 var stdlibCases = []struct { 185 numStr string 186 buf []byte 187 }{ 188 {"0", []byte{0}}, 189 {"127", []byte{0x7F}}, 190 {"128", []byte{0x00, 0x80}}, 191 {"33022", []byte{0x00, 0x80, 0xFE}}, 192 {"-32514", []byte{0x80, 0xFE}}, 193 {"-18374686475376656384", []byte{0xff, 0x01, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00}}, 194 {"-18446744069414584320", []byte{0xff, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00}}, 195 {"12364093636075302621581796971036731159910277399901099375861080574506898189967563102391591201943540153492149033597384108294298661111799425262742266671957323486506857011293831406641316917374615487590434666756862524718179898130435474398176187353530443750986128762955255137790631223519091107256083370837751230886741470719554141609004126665185940207631783192780186624919167901565253877397154522582982120840364212333366972597473045167409184762879376102731157263235904816835054250885637739932914015117504485702897712016943555929710070193511128651378003670520306509417025958556935067307123832592173743652726898616663215056178200135054604939862749863002480827458494339065850786495122398411385446068167146399066035389699059499954747263948595492570959736940353095030589033792026029085438901525807032848103038290802923997216273712349905230080849822000411239032166420681788646737098078876258256753058713515144604794792139863186822520361187685685356628044518258989638970651859178568755065879235553215218267011024902142765549091793970027321040036512883269922219608216030987714165823965404563131018846411947569009598716649463301689241563037584803938711917477764863093448004918315253652379776337794243677630540042379049027", []byte{0x00, 0xf0, 0x1d, 0x7b, 0xa2, 0xfd, 0x50, 0xf9, 0x50, 0x07, 0xce, 0x2a, 0xdf, 0xfb, 0x75, 0x70, 0x49, 0x5e, 0x5d, 0xf7, 0x1b, 0x0a, 0x76, 0x1f, 0xe7, 0xe3, 0xc7, 0x0a, 0xc7, 0xee, 0xca, 0x4e, 0xa2, 0xe6, 0xae, 0xe8, 0x1a, 0x2c, 0x3b, 0xa9, 0x12, 0x77, 0xb1, 0x47, 0x3c, 0xb5, 0xab, 0x32, 0x26, 0x18, 0x0d, 0x43, 0x51, 0x6b, 0x11, 0x0c, 0x45, 0xed, 0x52, 0x7d, 0xce, 0xe8, 0x75, 0x6c, 0xe1, 0xda, 0xaf, 0x42, 0x1c, 0xc6, 0x21, 0x23, 0x1f, 0x5d, 0x2d, 0x48, 0xf8, 0x20, 0x67, 0x2f, 0x49, 0x3d, 0x3e, 0x5d, 0xc2, 0x53, 0xc8, 0xe0, 0x3d, 0xe2, 0xdc, 0x51, 0x2f, 0x44, 0xc9, 0x72, 0xb6, 0x04, 0xa0, 0x19, 0x1f, 0x03, 0xb9, 0x0f, 0x57, 0x80, 0x55, 0x41, 0x10, 0x7e, 0x7c, 0x78, 0xdc, 0xbb, 0x82, 0x6e, 0x6a, 0xd9, 0x0e, 0xac, 0x87, 0x0c, 0xfd, 0xc0, 0x79, 0xdf, 0xf5, 0x98, 0xfe, 0x9c, 0x58, 0xa9, 0x63, 0xc2, 0x99, 0x31, 0x09, 0x1c, 0x50, 0xcf, 0x03, 0x4f, 0x96, 0xef, 0x98, 0x56, 0x44, 0xc2, 0x0f, 0x63, 0x20, 0x19, 0x0b, 0x60, 0x28, 0x09, 0xb2, 0x3e, 0xe5, 0xe3, 0x91, 0xc2, 0x98, 0x3d, 0xc0, 0x81, 0x0b, 0x5a, 0xdd, 0x88, 0x6a, 0xc1, 0xff, 0x94, 0x7f, 0xe0, 0x96, 0x6b, 0x67, 0x75, 0x80, 0x53, 0xa1, 0x89, 0x14, 0x19, 0x59, 0xdc, 0x13, 0x67, 0x01, 0x7c, 0x64, 0xfe, 0xeb, 0x7b, 0x8c, 0x97, 0x2d, 0x1a, 0x90, 0x48, 0x4b, 0xea, 0x48, 0xc0, 0x77, 0x23, 0x68, 0x65, 0x19, 0xcf, 0xcf, 0x1c, 0x89, 0x93, 0xe0, 0xd2, 0xfd, 0x81, 0x6a, 0x6e, 0xd8, 0x76, 0xad, 0x65, 0xb5, 0xe0, 0xe1, 0xe2, 0x9c, 0x13, 0x70, 0x0e, 0x79, 0x1c, 0xaa, 0xac, 0x0d, 0x3f, 0x10, 0x4e, 0x47, 0x36, 0xb9, 0x23, 0xd3, 0x6a, 0x50, 0x9a, 0xe2, 0x83, 0x94, 0xf8, 0x1b, 0x41, 0x4c, 0x22, 0x92, 0x58, 0x9f, 0xc8, 0xad, 0x36, 0x51, 0x59, 0xa6, 0xbb, 0x86, 0x4f, 0x9d, 0x3a, 0x9f, 0x1d, 0x0b, 0x2e, 0x7f, 0xf8, 0x83, 0xfd, 0x1c, 0x3b, 0xe1, 0x3d, 0xb2, 0xdc, 0x13, 0x18, 0x71, 0xec, 0x63, 0xf3, 0xfc, 0x41, 0x6f, 0x14, 0xec, 0xcc, 0x7f, 0x28, 0xeb, 0x12, 0xc6, 0x4c, 0xa4, 0x92, 0x7f, 0x7a, 0x65, 0xcf, 0x8f, 0x63, 0x47, 0x3e, 0x4f, 0xeb, 0x03, 0x7b, 0x20, 0xf8, 0x01, 0xa2, 0x9d, 0xe2, 0x5f, 0x85, 0xfb, 0x7b, 0xdf, 0x10, 0x45, 0x2f, 0x6f, 0xb2, 0x6b, 0xff, 0x69, 0xf5, 0x64, 0x8e, 0x18, 0x71, 0x7a, 0x04, 0x31, 0xc3, 0xf8, 0xa0, 0x6c, 0x0f, 0x0a, 0x57, 0x83, 0x83, 0x58, 0xda, 0xaf, 0x99, 0xe6, 0x68, 0x13, 0xe8, 0x15, 0xbc, 0xd7, 0xef, 0xb2, 0x4b, 0x08, 0x18, 0x97, 0xb2, 0x77, 0x0c, 0xb5, 0x96, 0xdb, 0x21, 0x14, 0x39, 0x52, 0x9f, 0x83, 0x47, 0x96, 0xe8, 0x9f, 0x94, 0xe2, 0x73, 0x40, 0x02, 0x7f, 0xbd, 0xb9, 0x65, 0x6a, 0x33, 0x15, 0xb8, 0xc8, 0x9d, 0x12, 0xf9, 0x14, 0x04, 0x77, 0x56, 0xdc, 0x87, 0xd2, 0xca, 0xb2, 0x05, 0x99, 0xad, 0xa6, 0xd2, 0x81, 0x8f, 0x64, 0xcd, 0xe5, 0x70, 0x2c, 0xbf, 0xc0, 0xb6, 0xb7, 0xa8, 0x4a, 0x45, 0x6b, 0x98, 0x8f, 0x5b, 0xb8, 0x87, 0xf5, 0x64, 0xd1, 0x67, 0xd6, 0xdd, 0x76, 0x29, 0xf0, 0x77, 0x45, 0xfc, 0x27, 0xa4, 0x4a, 0xac, 0xaa, 0x1a, 0x90, 0xbe, 0xf8, 0x91, 0x50, 0x30, 0x6d, 0x73, 0x49, 0x3c, 0xab, 0xa4, 0xaf, 0x13, 0xa8, 0xdd, 0x0a, 0xf5, 0xc3, 0x34, 0x98, 0xb4, 0x7f, 0x0b, 0xb4, 0x63, 0x0f, 0xe3, 0x6e, 0xcc, 0xf8, 0x1d, 0xea, 0x34, 0x71, 0x8b, 0x06, 0xa5, 0x4f, 0x81, 0x12, 0xa9, 0xfd, 0xb8, 0x43}}, 196 {"-1500566381192798663042470094195709329888702572609999105286667163606153967917290138712408909178830809119008530236180974166477902167438722120032328817587204550920260039698718901932896233377293832747667996098291476468951412311792579258943277768740116090186686963715856483147820131067091322876669577393210366426487028489206389247040659375214497672166049911500383423054774768058254673393263777607084960848658501529675225559011863409579602879830226289200557853195239635009395081629845517655774307827048680743808664945667425540772434721298573889660136104342949269877806888346513652384111162522895043239369803590295673472600852282901495791087130835483730406094888840219829189061112151151001898468218215751327382511813082884657126285166508024920536549363279290734920537316417286759974845704859198588552892947264856714040130408613412473996518038227113385600353365608575770837750435553392852567153310861059766627383200108369176626042676222592985818614861742325706568951932845447397512345181981733524874445871904571909006536844113768514813826258460666950996534336842871477679076553532049073323784011247842133811527684859166963235747571306708361946012941167234981369225227878132777327321706825860067928644566542309248", []byte{0xe2, 0xdb, 0xc3, 0xee, 0xdc, 0xd0, 0xa4, 0xdc, 0x41, 0xec, 0xf7, 0xf3, 0x53, 0x2f, 0xd9, 0x5e, 0xe5, 0xbf, 0x5e, 0xea, 0x84, 0xde, 0x00, 0x79, 0x48, 0xc6, 0xf4, 0xd0, 0x29, 0xd9, 0x41, 0xb3, 0xc1, 0x31, 0xe0, 0x18, 0x42, 0xa5, 0x76, 0x88, 0x95, 0x60, 0xe8, 0x55, 0x51, 0x98, 0x01, 0xdb, 0x58, 0x0f, 0x76, 0xe5, 0x23, 0xb3, 0xa3, 0x8b, 0xb6, 0x8b, 0x66, 0x30, 0xd2, 0xb4, 0x13, 0x44, 0xd7, 0xa1, 0x6f, 0xa1, 0xee, 0x41, 0xab, 0x87, 0x5b, 0x64, 0x53, 0x80, 0x1b, 0x1b, 0x15, 0xba, 0x7e, 0x19, 0xbd, 0xc5, 0x9e, 0xfa, 0x1e, 0x59, 0x19, 0x56, 0x59, 0x7e, 0xa3, 0x2d, 0x97, 0xc8, 0xd9, 0x9f, 0xd3, 0x9b, 0x43, 0x25, 0x31, 0x4b, 0x17, 0x5c, 0x5d, 0x95, 0xd2, 0x5a, 0x91, 0xca, 0x83, 0xe9, 0x16, 0x33, 0x10, 0x26, 0x65, 0x31, 0x79, 0xa3, 0xf7, 0x89, 0xd5, 0xe3, 0x8d, 0x45, 0x86, 0x2a, 0xc9, 0xd8, 0x40, 0x93, 0xd8, 0xbf, 0x6f, 0xfa, 0x13, 0xf5, 0x4a, 0x62, 0x15, 0xd9, 0x55, 0xd9, 0xf6, 0xcc, 0xc2, 0xdb, 0xbc, 0xce, 0x50, 0x7a, 0x45, 0xca, 0xca, 0x54, 0x20, 0x76, 0x8e, 0x26, 0x9a, 0x5d, 0x3b, 0x23, 0xad, 0x80, 0xa5, 0xae, 0x63, 0x27, 0x03, 0x10, 0x65, 0x06, 0x6e, 0x65, 0x38, 0x70, 0x10, 0xef, 0xfb, 0xbc, 0xcf, 0xf3, 0x3d, 0x0a, 0x40, 0xe7, 0xd3, 0x20, 0x5d, 0x4f, 0x84, 0xd8, 0xcb, 0xea, 0x65, 0x28, 0x26, 0x15, 0x54, 0x08, 0x77, 0x07, 0xd4, 0x21, 0xb4, 0x69, 0xc6, 0x70, 0x02, 0xd2, 0x5d, 0x4b, 0x7f, 0xf6, 0xb4, 0x11, 0x7d, 0x1b, 0x74, 0x59, 0x1f, 0x2d, 0x5d, 0x75, 0x5c, 0x1a, 0x6e, 0x78, 0xad, 0x12, 0x8d, 0x3b, 0x52, 0x0d, 0x4a, 0x9f, 0x28, 0x22, 0xc4, 0x36, 0xb3, 0xdf, 0xd5, 0xa3, 0xa3, 0xa7, 0x06, 0xea, 0x49, 0x16, 0x01, 0xc8, 0xb2, 0x27, 0xab, 0x04, 0xa2, 0x62, 0x93, 0xcb, 0xdc, 0xfe, 0x33, 0xe4, 0x31, 0x58, 0x7c, 0x08, 0x23, 0x4c, 0x88, 0x1e, 0x9f, 0xc9, 0x39, 0x46, 0xea, 0x7a, 0x69, 0xfa, 0xff, 0x38, 0x87, 0x6b, 0xde, 0x7c, 0x6b, 0xfa, 0x2f, 0x81, 0xff, 0xb1, 0x82, 0x34, 0x38, 0xb8, 0xd1, 0xbf, 0x68, 0x60, 0x07, 0x3d, 0x91, 0x4e, 0xb2, 0x02, 0x1a, 0x05, 0x70, 0xb7, 0x26, 0xbb, 0x95, 0xad, 0xfd, 0xcc, 0x52, 0x80, 0xf9, 0xda, 0x45, 0x04, 0x24, 0xc4, 0x8f, 0x46, 0x22, 0x9a, 0x0d, 0xa0, 0x88, 0x03, 0x54, 0x2d, 0x2f, 0x54, 0x1b, 0xf1, 0xe5, 0xfe, 0xa0, 0x6c, 0x70, 0x31, 0xb1, 0x36, 0x8b, 0xcf, 0x33, 0xf5, 0xc1, 0x77, 0x6c, 0x89, 0xa3, 0xb3, 0xd9, 0x66, 0x5d, 0xb8, 0x40, 0x66, 0xb3, 0x0d, 0xcd, 0x0c, 0xde, 0xd4, 0x6c, 0x55, 0x66, 0x95, 0x78, 0x7f, 0xc9, 0x0a, 0x8e, 0x41, 0x50, 0xc2, 0xe9, 0x88, 0x91, 0xce, 0x56, 0xa2, 0xc6, 0xc4, 0x87, 0xb0, 0x25, 0xc9, 0x74, 0xf6, 0x58, 0xbe, 0xde, 0xf9, 0xee, 0x37, 0x5c, 0xfe, 0x54, 0xc1, 0x68, 0x40, 0x64, 0x99, 0x66, 0x2e, 0x18, 0x6b, 0xa6, 0x0a, 0xfe, 0x13, 0xec, 0x1e, 0x6f, 0xf3, 0xa0, 0xc9, 0x17, 0x9b, 0x6e, 0x92, 0xf2, 0x42, 0xfb, 0xbd, 0xfb, 0x11, 0x53, 0x7c, 0xeb, 0xd4, 0xd2, 0x16, 0xaf, 0x20, 0x5e, 0x42, 0x09, 0xea, 0x92, 0x0b, 0xab, 0x94, 0xaa, 0xaf, 0x23, 0xda, 0xda, 0xe3, 0x40, 0xc1, 0x5a, 0xab, 0xc2, 0xdd, 0x8d, 0x76, 0x62, 0xb3, 0xd4, 0x13, 0xac, 0x0c, 0x06, 0xa9, 0x98, 0x27, 0xa8, 0x34, 0x94, 0xd6, 0x85, 0x99, 0x24, 0x7e, 0x8a, 0xf1, 0xf8, 0x6d, 0xef, 0x66, 0xf0, 0xe6, 0xc9, 0x2c, 0x4d, 0x1f, 0x3e, 0xfa, 0x28, 0x80}}, 197 } 198 199 func TestVeryBigInts(t *testing.T) { 200 for _, tc := range stringCases { 201 num, ok := new(big.Int).SetString(tc.numStr, 10) 202 assert.True(t, ok) 203 204 result := FromBytes(tc.buf) 205 assert.Equal(t, num, result, "error while converting %s from bytes", tc.numStr) 206 assert.Equal(t, tc.buf, ToBytes(result), "error while converting %s to bytes", tc.numStr) 207 } 208 209 for _, tc := range stdlibCases { 210 num, ok := new(big.Int).SetString(tc.numStr, 10) 211 assert.True(t, ok) 212 213 result := FromBytes(slice.CopyReverse(tc.buf)) 214 assert.Equal(t, num, result, "error while converting %s from bytes", tc.numStr) 215 } 216 }