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Add encode & decode operations to base62 helper #10038

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Add encode & decode operations to base62 helper #10038

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405bcef
Add encode & decode operations to base62 helper
sgmiller Sep 24, 2020
91bcc09
Accidental add
sgmiller Sep 24, 2020
1bfc08c
Fix unit tests, add benchmark
sgmiller Sep 24, 2020
aaf37e6
15% faster
sgmiller Sep 24, 2020
38e90ed
Add some helpful math comments
sgmiller Sep 24, 2020
96e0bff
must go faster
sgmiller Sep 25, 2020
4d628da
update tests
sgmiller Sep 25, 2020
c6dd42b
fix comment
sgmiller Sep 25, 2020
59229fc
Merge remote-tracking branch 'origin/master' into base62-encode-decode
sgmiller Sep 25, 2020
f1a3c16
Make the test simpler
sgmiller Sep 25, 2020
acae2f6
Fix prefixed zero handling
sgmiller Sep 26, 2020
0091322
Squeeze a dozen more % perf
sgmiller Sep 26, 2020
02d3ce0
Simplify
sgmiller Sep 26, 2020
076126e
Switch to an impl equivalent to that from base64 from github.com/mr-t…
sgmiller Oct 1, 2020
3752757
Merge branch 'master' into base62-encode-decode
sgmiller Oct 2, 2020
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update tests
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@sgmiller
sgmiller committed Sep 25, 2020
commit 4d628da54eefbb243c6164ef5641e11477de0dbc
40 changes: 15 additions & 25 deletions sdk/helper/base62/base62_test.go
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Original file line number Diff line number Diff line change
@@ -1,6 +1,9 @@
package base62

import (
"bytes"
"crypto/rand"
"strings"
"testing"
)

Expand Down Expand Up @@ -31,9 +34,10 @@ func TestRandom(t *testing.T) {
}

func TestDecode(t *testing.T) {
str := "A fairly simple test"
str := strings.Repeat("x", 10000)

e := Encode([]byte(str))
b, err := DecodeString(e)
b, err := Decode(nil, e)

if err != nil {
t.Fail()
Expand All @@ -42,29 +46,15 @@ func TestDecode(t *testing.T) {
t.Fail()
}

// A slightly harder test
str,err = Random(200)
if err != nil {
t.Fail()
}
b, err = DecodeString(str)
if err != nil {
t.Fail()
}
e = Encode(b)
if e != str {
t.Fail()
}
}

func BenchmarkEncodeDecode(b *testing.B) {
str,_ := Random(200)
for i := 0; i<b.N; i++ {
o, _ := DecodeString(str)
e := Encode(o)
if e != str {
b.Fail()
break
input := make([]byte, 4)
for i := 0; i < 10000; i++ {
output := make([]byte, 4)
rand.Read(input)
str = Encode(input)
b, err = Decode(output, str)
if !bytes.Equal(b, input) {
//e = Encode(b)
t.Fail()
}
}
}