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zeekayandHanzo Dev
9f54b4984a
github.com/luxfi/utils is now github.com/luxfi/util. Import paths and the module requirement follow the rename, and the luxUtils alias becomes luxUtil. The old module stays as an indirect requirement that published dependencies still pull in. Co-authored-by: Hanzo Dev <[email protected]>
67 lines
1.4 KiB
Go
67 lines
1.4 KiB
Go
// Copyright (C) 2019-2025, Lux Industries, Inc. All rights reserved.
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// See the file LICENSE for licensing terms.
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package utils
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import (
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"bytes"
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"testing"
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"github.com/luxfi/geth/common"
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"github.com/luxfi/util"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func TestIncrOne(t *testing.T) {
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type test struct {
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input []byte
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expected []byte
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}
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for name, test := range map[string]test{
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"increment no overflow no carry": {
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input: []byte{0, 0},
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expected: []byte{0, 1},
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},
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"increment overflow": {
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input: []byte{255, 255},
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expected: []byte{0, 0},
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},
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"increment carry": {
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input: []byte{0, 255},
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expected: []byte{1, 0},
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},
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} {
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t.Run(name, func(t *testing.T) {
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output := common.CopyBytes(test.input)
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IncrOne(output)
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assert.Equal(t, output, test.expected)
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})
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}
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}
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func testBytesToHashSlice(t testing.TB, b []byte) {
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hashSlice := BytesToHashSlice(b)
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copiedBytes := HashSliceToBytes(hashSlice)
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if len(b)%32 == 0 {
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require.Equal(t, b, copiedBytes)
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} else {
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require.Equal(t, b, copiedBytes[:len(b)])
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// Require that any additional padding is all zeroes
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padding := copiedBytes[len(b):]
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require.Equal(t, bytes.Repeat([]byte{0x00}, len(padding)), padding)
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}
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}
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func FuzzHashSliceToBytes(f *testing.F) {
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for i := 0; i < 100; i++ {
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f.Add(utils.RandomBytes(i))
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}
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f.Fuzz(func(t *testing.T, b []byte) {
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testBytesToHashSlice(t, b)
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})
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}
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