/usr/share/gocode/src/github.com/btcsuite/fastsha256/fastsha256_test.go is in golang-github-btcsuite-fastsha256-dev 0.0~git20160815.0.637e656-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 | /*
* Copyright (c) 2013 Conformal Systems LLC.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
package fastsha256
import (
"crypto/sha256"
"fmt"
"strings"
"testing"
)
func TestSHA256(t *testing.T) {
expected := "ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad"
msg := "abc"
digest := Sum256([]byte(msg))
got := fmt.Sprintf("%0x", digest)
if got != expected {
t.Errorf("sha256 invalid digest")
return
}
}
func TestSHA256New(t *testing.T) {
expected := "ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad"
d := New()
msg := "abc"
d.Write([]byte(msg))
digest := d.Sum(nil)
got := fmt.Sprintf("%0x", digest)
if got != expected {
t.Errorf("new invalid digest %s %x", expected, got)
return
}
}
func TestSHA256Go(t *testing.T) {
expected := "ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad"
d := sha256.New()
msg := "abc"
d.Write([]byte(msg))
digest := d.Sum(nil)
got := fmt.Sprintf("%0x", digest)
if got != expected {
t.Errorf("append invalid digest %s %s", expected, got)
return
}
}
func TestSHA256Append(t *testing.T) {
expected := "ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad"
d := New()
d.Write([]byte("a"))
d.Write([]byte("b"))
d.Write([]byte("c"))
digest := d.Sum(nil)
got := fmt.Sprintf("%0x", digest)
if got != expected {
t.Errorf("append invalid digest %s %s", expected, got)
return
}
}
func TestSHA256AppendGo(t *testing.T) {
expected := "ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad"
d := sha256.New()
d.Write([]byte("a"))
d.Write([]byte("b"))
d.Write([]byte("c"))
digest := d.Sum(nil)
got := fmt.Sprintf("%0x", digest)
if got != expected {
t.Errorf("append invalid digest %s %s", expected, got)
return
}
}
func TestSHA256AppendAndSum(t *testing.T) {
expected := "ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad"
d := New()
msg := "a"
d.Write([]byte(msg))
digest := d.Sum(nil)
msg = "b"
d.Write([]byte(msg))
digest = d.Sum(nil)
msg = "c"
d.Write([]byte(msg))
digest = d.Sum(nil)
got := fmt.Sprintf("%0x", digest)
if got != expected {
t.Errorf("invalid digest %x %x", expected, got)
return
}
}
func TestSHA256Rolling(t *testing.T) {
var b []byte
for i := 0; i < 20000; i++ {
b = append(b, byte(i%256))
d := New()
d.Write(b)
digest := d.Sum(nil)
digest2 := sha256.Sum256(b)
if string(digest) != string(digest2[:]) {
t.Errorf("invalid digest %x %x", digest, digest2)
return
}
}
}
func TestSHA256RollingDirect(t *testing.T) {
var b []byte
for i := 0; i < 20000; i++ {
b = append(b, byte(i%256))
digest := Sum256(b)
digest2 := sha256.Sum256(b)
if string(digest[:]) != string(digest2[:]) {
t.Errorf("invalid digest %x %x", digest, digest2)
return
}
}
}
func DoubleSha256(b []byte) []byte {
hasher := New()
hasher.Write(b)
sum := hasher.Sum(nil)
hasher.Reset()
hasher.Write(sum)
return hasher.Sum(nil)
}
func TestDoubleSha256(t *testing.T) {
var b []byte
for i := 0; i < 20000; i++ {
b = append(b, byte(i%256))
DoubleSha256(b)
}
}
func TestEmpty(t *testing.T) {
var b []byte
DoubleSha256(b)
}
var t = strings.Repeat("a", 2049)
func BenchmarkSha256(b *testing.B) {
for i := 0; i < b.N; i++ {
Sum256([]byte(t))
}
}
func BenchmarkSha256Go(b *testing.B) {
for i := 0; i < b.N; i++ {
sha256.Sum256([]byte(t))
}
}
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