mirror of
https://gitlab.com/pulsechaincom/prysm-pulse.git
synced 2024-12-23 11:57:18 +00:00
dca93ce641
* analyzer with tests * fix bazel file * modify analyzer to fix build issues * add analyzer to tool chain * remove arrays from inspections * fix redundant [:] operator * Merge branch 'master' into use-slice-directly * Merge branch 'master' into use-slice-directly * fix another inspection * add package-level comment
379 lines
8.9 KiB
Go
379 lines
8.9 KiB
Go
package bytesutil_test
|
|
|
|
import (
|
|
"testing"
|
|
|
|
"github.com/prysmaticlabs/prysm/shared/bytesutil"
|
|
"github.com/prysmaticlabs/prysm/shared/testutil/assert"
|
|
"github.com/prysmaticlabs/prysm/shared/testutil/require"
|
|
)
|
|
|
|
func TestToBytes(t *testing.T) {
|
|
tests := []struct {
|
|
a uint64
|
|
b []byte
|
|
}{
|
|
{0, []byte{0}},
|
|
{1, []byte{1}},
|
|
{2, []byte{2}},
|
|
{253, []byte{253}},
|
|
{254, []byte{254}},
|
|
{255, []byte{255}},
|
|
{0, []byte{0, 0}},
|
|
{1, []byte{1, 0}},
|
|
{255, []byte{255, 0}},
|
|
{256, []byte{0, 1}},
|
|
{65534, []byte{254, 255}},
|
|
{65535, []byte{255, 255}},
|
|
{0, []byte{0, 0, 0}},
|
|
{255, []byte{255, 0, 0}},
|
|
{256, []byte{0, 1, 0}},
|
|
{65535, []byte{255, 255, 0}},
|
|
{65536, []byte{0, 0, 1}},
|
|
{16777215, []byte{255, 255, 255}},
|
|
{0, []byte{0, 0, 0, 0}},
|
|
{256, []byte{0, 1, 0, 0}},
|
|
{65536, []byte{0, 0, 1, 0}},
|
|
{16777216, []byte{0, 0, 0, 1}},
|
|
{16777217, []byte{1, 0, 0, 1}},
|
|
{4294967295, []byte{255, 255, 255, 255}},
|
|
{0, []byte{0, 0, 0, 0, 0, 0, 0, 0}},
|
|
{16777216, []byte{0, 0, 0, 1, 0, 0, 0, 0}},
|
|
{4294967296, []byte{0, 0, 0, 0, 1, 0, 0, 0}},
|
|
{4294967297, []byte{1, 0, 0, 0, 1, 0, 0, 0}},
|
|
{9223372036854775806, []byte{254, 255, 255, 255, 255, 255, 255, 127}},
|
|
{9223372036854775807, []byte{255, 255, 255, 255, 255, 255, 255, 127}},
|
|
}
|
|
for _, tt := range tests {
|
|
b := bytesutil.ToBytes(tt.a, len(tt.b))
|
|
assert.DeepEqual(t, tt.b, b)
|
|
}
|
|
}
|
|
|
|
func TestBytes1(t *testing.T) {
|
|
tests := []struct {
|
|
a uint64
|
|
b []byte
|
|
}{
|
|
{0, []byte{0}},
|
|
{1, []byte{1}},
|
|
{2, []byte{2}},
|
|
{253, []byte{253}},
|
|
{254, []byte{254}},
|
|
{255, []byte{255}},
|
|
}
|
|
for _, tt := range tests {
|
|
b := bytesutil.Bytes1(tt.a)
|
|
assert.DeepEqual(t, tt.b, b)
|
|
}
|
|
}
|
|
|
|
func TestBytes2(t *testing.T) {
|
|
tests := []struct {
|
|
a uint64
|
|
b []byte
|
|
}{
|
|
{0, []byte{0, 0}},
|
|
{1, []byte{1, 0}},
|
|
{255, []byte{255, 0}},
|
|
{256, []byte{0, 1}},
|
|
{65534, []byte{254, 255}},
|
|
{65535, []byte{255, 255}},
|
|
}
|
|
for _, tt := range tests {
|
|
b := bytesutil.Bytes2(tt.a)
|
|
assert.DeepEqual(t, tt.b, b)
|
|
}
|
|
}
|
|
|
|
func TestBytes3(t *testing.T) {
|
|
tests := []struct {
|
|
a uint64
|
|
b []byte
|
|
}{
|
|
{0, []byte{0, 0, 0}},
|
|
{255, []byte{255, 0, 0}},
|
|
{256, []byte{0, 1, 0}},
|
|
{65535, []byte{255, 255, 0}},
|
|
{65536, []byte{0, 0, 1}},
|
|
{16777215, []byte{255, 255, 255}},
|
|
}
|
|
for _, tt := range tests {
|
|
b := bytesutil.Bytes3(tt.a)
|
|
assert.DeepEqual(t, tt.b, b)
|
|
}
|
|
}
|
|
|
|
func TestBytes4(t *testing.T) {
|
|
tests := []struct {
|
|
a uint64
|
|
b []byte
|
|
}{
|
|
{0, []byte{0, 0, 0, 0}},
|
|
{256, []byte{0, 1, 0, 0}},
|
|
{65536, []byte{0, 0, 1, 0}},
|
|
{16777216, []byte{0, 0, 0, 1}},
|
|
{16777217, []byte{1, 0, 0, 1}},
|
|
{4294967295, []byte{255, 255, 255, 255}},
|
|
}
|
|
for _, tt := range tests {
|
|
b := bytesutil.Bytes4(tt.a)
|
|
assert.DeepEqual(t, tt.b, b)
|
|
}
|
|
}
|
|
|
|
func TestBytes8(t *testing.T) {
|
|
tests := []struct {
|
|
a uint64
|
|
b []byte
|
|
}{
|
|
{0, []byte{0, 0, 0, 0, 0, 0, 0, 0}},
|
|
{16777216, []byte{0, 0, 0, 1, 0, 0, 0, 0}},
|
|
{4294967296, []byte{0, 0, 0, 0, 1, 0, 0, 0}},
|
|
{4294967297, []byte{1, 0, 0, 0, 1, 0, 0, 0}},
|
|
{9223372036854775806, []byte{254, 255, 255, 255, 255, 255, 255, 127}},
|
|
{9223372036854775807, []byte{255, 255, 255, 255, 255, 255, 255, 127}},
|
|
}
|
|
for _, tt := range tests {
|
|
b := bytesutil.Bytes8(tt.a)
|
|
assert.DeepEqual(t, tt.b, b)
|
|
}
|
|
}
|
|
|
|
func TestFromBool(t *testing.T) {
|
|
tests := []byte{
|
|
0,
|
|
1,
|
|
}
|
|
for _, tt := range tests {
|
|
b := bytesutil.ToBool(tt)
|
|
c := bytesutil.FromBool(b)
|
|
assert.Equal(t, tt, c)
|
|
}
|
|
}
|
|
|
|
func TestFromBytes2(t *testing.T) {
|
|
tests := []uint64{
|
|
0,
|
|
1776,
|
|
96726,
|
|
(1 << 16) - 1,
|
|
}
|
|
for _, tt := range tests {
|
|
b := bytesutil.ToBytes(tt, 2)
|
|
c := bytesutil.FromBytes2(b)
|
|
assert.Equal(t, uint16(tt), c)
|
|
}
|
|
}
|
|
|
|
func TestFromBytes4(t *testing.T) {
|
|
tests := []uint64{
|
|
0,
|
|
1776,
|
|
96726,
|
|
4290997,
|
|
4294967295, //2^32 - 1
|
|
4294967200,
|
|
3894948296,
|
|
}
|
|
for _, tt := range tests {
|
|
b := bytesutil.ToBytes(tt, 4)
|
|
c := bytesutil.FromBytes4(b)
|
|
if c != tt {
|
|
t.Errorf("Wanted %d but got %d", tt, c)
|
|
}
|
|
assert.Equal(t, tt, c)
|
|
}
|
|
}
|
|
|
|
func TestFromBytes8(t *testing.T) {
|
|
tests := []uint64{
|
|
0,
|
|
1776,
|
|
96726,
|
|
4290997,
|
|
922376854775806,
|
|
42893720984775807,
|
|
18446744073709551615,
|
|
}
|
|
for _, tt := range tests {
|
|
b := bytesutil.ToBytes(tt, 8)
|
|
c := bytesutil.FromBytes8(b)
|
|
assert.Equal(t, tt, c)
|
|
}
|
|
}
|
|
|
|
func TestTruncate(t *testing.T) {
|
|
tests := []struct {
|
|
a []byte
|
|
b []byte
|
|
}{
|
|
{[]byte{'A', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O'},
|
|
[]byte{'A', 'C', 'D', 'E', 'F', 'G'}},
|
|
{[]byte{'A', 'C', 'D', 'E', 'F'},
|
|
[]byte{'A', 'C', 'D', 'E', 'F'}},
|
|
{[]byte{}, []byte{}},
|
|
}
|
|
for _, tt := range tests {
|
|
b := bytesutil.Trunc(tt.a)
|
|
assert.DeepEqual(t, tt.b, b)
|
|
}
|
|
}
|
|
|
|
func TestReverse(t *testing.T) {
|
|
tests := []struct {
|
|
input [][32]byte
|
|
output [][32]byte
|
|
}{
|
|
{[][32]byte{{'A'}, {'B'}, {'C'}, {'D'}, {'E'}, {'F'}, {'G'}, {'H'}},
|
|
[][32]byte{{'H'}, {'G'}, {'F'}, {'E'}, {'D'}, {'C'}, {'B'}, {'A'}}},
|
|
{[][32]byte{{1}, {2}, {3}, {4}},
|
|
[][32]byte{{4}, {3}, {2}, {1}}},
|
|
{[][32]byte{}, [][32]byte{}},
|
|
}
|
|
for _, tt := range tests {
|
|
b := bytesutil.ReverseBytes32Slice(tt.input)
|
|
assert.DeepEqual(t, tt.output, b)
|
|
}
|
|
}
|
|
|
|
func TestSetBit(t *testing.T) {
|
|
tests := []struct {
|
|
a []byte
|
|
b int
|
|
c []byte
|
|
}{
|
|
{[]byte{0b00000000}, 1, []byte{0b00000010}},
|
|
{[]byte{0b00000010}, 7, []byte{0b10000010}},
|
|
{[]byte{0b10000010}, 9, []byte{0b10000010, 0b00000010}},
|
|
{[]byte{0b10000010}, 27, []byte{0b10000010, 0b00000000, 0b00000000, 0b00001000}},
|
|
{[]byte{0b10000010, 0b00000000}, 8, []byte{0b10000010, 0b00000001}},
|
|
{[]byte{0b10000010, 0b00000000}, 31, []byte{0b10000010, 0b00000000, 0b00000000, 0b10000000}},
|
|
}
|
|
for _, tt := range tests {
|
|
assert.DeepEqual(t, tt.c, bytesutil.SetBit(tt.a, tt.b))
|
|
}
|
|
}
|
|
|
|
func TestClearBit(t *testing.T) {
|
|
tests := []struct {
|
|
a []byte
|
|
b int
|
|
c []byte
|
|
}{
|
|
{[]byte{0b00000000}, 1, []byte{0b00000000}},
|
|
{[]byte{0b00000010}, 1, []byte{0b00000000}},
|
|
{[]byte{0b10000010}, 1, []byte{0b10000000}},
|
|
{[]byte{0b10000010}, 8, []byte{0b10000010}},
|
|
{[]byte{0b10000010, 0b00001111}, 7, []byte{0b00000010, 0b00001111}},
|
|
{[]byte{0b10000010, 0b00001111}, 10, []byte{0b10000010, 0b00001011}},
|
|
}
|
|
for _, tt := range tests {
|
|
assert.DeepEqual(t, tt.c, bytesutil.ClearBit(tt.a, tt.b))
|
|
}
|
|
}
|
|
|
|
func TestMakeEmptyBitfields(t *testing.T) {
|
|
tests := []struct {
|
|
a int
|
|
b int
|
|
}{
|
|
{0, 1},
|
|
{1, 1},
|
|
{2, 1},
|
|
{7, 1},
|
|
{8, 2},
|
|
{15, 2},
|
|
{16, 3},
|
|
{100, 13},
|
|
{104, 14},
|
|
}
|
|
for _, tt := range tests {
|
|
assert.DeepEqual(t, tt.b, len(bytesutil.MakeEmptyBitlists(tt.a)))
|
|
}
|
|
}
|
|
|
|
func TestHighestBitIndex(t *testing.T) {
|
|
tests := []struct {
|
|
a []byte
|
|
b int
|
|
error bool
|
|
}{
|
|
{nil, 0, true},
|
|
{[]byte{}, 0, true},
|
|
{[]byte{0b00000001}, 1, false},
|
|
{[]byte{0b10100101}, 8, false},
|
|
{[]byte{0x00, 0x00}, 0, false},
|
|
{[]byte{0xff, 0xa0}, 16, false},
|
|
{[]byte{12, 34, 56, 78}, 31, false},
|
|
{[]byte{255, 255, 255, 255}, 32, false},
|
|
}
|
|
for _, tt := range tests {
|
|
i, err := bytesutil.HighestBitIndex(tt.a)
|
|
if !tt.error {
|
|
require.NoError(t, err)
|
|
require.NoError(t, err)
|
|
assert.DeepEqual(t, tt.b, i)
|
|
} else {
|
|
assert.ErrorContains(t, "input list can't be empty or nil", err)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestHighestBitIndexBelow(t *testing.T) {
|
|
tests := []struct {
|
|
a []byte
|
|
b int
|
|
c int
|
|
error bool
|
|
}{
|
|
{nil, 0, 0, true},
|
|
{[]byte{}, 0, 0, true},
|
|
{[]byte{0b00010001}, 0, 0, false},
|
|
{[]byte{0b00010001}, 1, 1, false},
|
|
{[]byte{0b00010001}, 2, 1, false},
|
|
{[]byte{0b00010001}, 4, 1, false},
|
|
{[]byte{0b00010001}, 5, 5, false},
|
|
{[]byte{0b00010001}, 8, 5, false},
|
|
{[]byte{0b00010001, 0b00000000}, 0, 0, false},
|
|
{[]byte{0b00010001, 0b00000000}, 1, 1, false},
|
|
{[]byte{0b00010001, 0b00000000}, 2, 1, false},
|
|
{[]byte{0b00010001, 0b00000000}, 4, 1, false},
|
|
{[]byte{0b00010001, 0b00000000}, 5, 5, false},
|
|
{[]byte{0b00010001, 0b00000000}, 8, 5, false},
|
|
{[]byte{0b00010001, 0b00000000}, 15, 5, false},
|
|
{[]byte{0b00010001, 0b00000000}, 16, 5, false},
|
|
{[]byte{0b00010001, 0b00100010}, 8, 5, false},
|
|
{[]byte{0b00010001, 0b00100010}, 9, 5, false},
|
|
{[]byte{0b00010001, 0b00100010}, 10, 10, false},
|
|
{[]byte{0b00010001, 0b00100010}, 11, 10, false},
|
|
{[]byte{0b00010001, 0b00100010}, 14, 14, false},
|
|
{[]byte{0b00010001, 0b00100010}, 15, 14, false},
|
|
{[]byte{0b00010001, 0b00100010}, 24, 14, false},
|
|
{[]byte{0b00010001, 0b00100010, 0b10000000}, 23, 14, false},
|
|
{[]byte{0b00010001, 0b00100010, 0b10000000}, 24, 24, false},
|
|
{[]byte{0b00000000, 0b00000001, 0b00000011}, 17, 17, false},
|
|
{[]byte{0b00000000, 0b00000001, 0b00000011}, 18, 18, false},
|
|
{[]byte{12, 34, 56, 78}, 1000, 31, false},
|
|
{[]byte{255, 255, 255, 255}, 1000, 32, false},
|
|
}
|
|
for _, tt := range tests {
|
|
i, err := bytesutil.HighestBitIndexAt(tt.a, tt.b)
|
|
if !tt.error {
|
|
require.NoError(t, err)
|
|
assert.DeepEqual(t, tt.c, i)
|
|
} else {
|
|
assert.ErrorContains(t, "input list can't be empty or nil", err)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestUint64ToBytes_RoundTrip(t *testing.T) {
|
|
for i := uint64(0); i < 10000; i++ {
|
|
b := bytesutil.Uint64ToBytesBigEndian(i)
|
|
if got := bytesutil.BytesToUint64BigEndian(b); got != i {
|
|
t.Error("Round trip did not match original value")
|
|
}
|
|
}
|
|
}
|