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bitvector128_test.go
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bitvector128_test.go
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package bitfield
import (
"bytes"
"reflect"
"testing"
)
func TestBitvector128_Len(t *testing.T) {
bv := NewBitvector128()
if bv.Len() != 128 {
t.Errorf("(%x).Len() = %d, wanted %d", bv, bv.Len(), 128)
}
}
func TestBitvector128_BitAt(t *testing.T) {
tests := []struct {
bitlist Bitvector128
idx uint64
want bool
}{
{
bitlist: Bitvector128{0x01},
idx: 0,
want: false,
},
{
bitlist: Bitvector128{0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
idx: 0,
want: true,
},
{
bitlist: Bitvector128{0x0E, 0xAA, 0x2F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
idx: 1,
want: true,
},
{
bitlist: Bitvector128{0x00, 0x00, 0x00, 0x00, 0x01, 0x23, 0xE2, 0xFE, 0xDD, 0xAC, 0xAD, 0x00, 0x00, 0x00, 0x00, 0x00},
idx: 87,
want: true,
},
{ // 1 byte smaller
bitlist: Bitvector128{0x00, 0x00, 0x00, 0x00, 0x01, 0x23, 0xE2, 0xFE, 0xDD, 0xAC, 0xAD, 0x00, 0x00, 0x00, 0x00},
idx: 87,
want: false,
},
{
bitlist: Bitvector128{0x00, 0x00, 0x00, 0x00, 0x01, 0x23, 0xE2, 0xFE, 0xDD, 0xAC, 0xAD, 0x00, 0x00, 0x00, 0x00, 0x00},
idx: 76,
want: false,
},
{
bitlist: Bitvector128{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xF0},
idx: 127,
want: true,
},
{
bitlist: Bitvector128{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF},
idx: 128, // Out of bound.
want: false,
},
}
for _, tt := range tests {
if tt.bitlist.BitAt(tt.idx) != tt.want {
t.Errorf(
"(%x).BitAt(%d) = %t, wanted %t",
tt.bitlist,
tt.idx,
tt.bitlist.BitAt(tt.idx),
tt.want,
)
}
}
}
func TestBitvector128_SetBitAt(t *testing.T) {
tests := []struct {
bitvector Bitvector128
idx uint64
val bool
want Bitvector128
}{
{
bitvector: Bitvector128{0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // 0b00000001
idx: 0, // ^
val: true,
want: Bitvector128{0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // 0b00000001
},
{
bitvector: Bitvector128{0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // 0b00000010
idx: 0, // ^
val: true,
want: Bitvector128{0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // 0b00000011
},
{
bitvector: Bitvector128{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // 0b00000000
idx: 1,
val: true,
want: Bitvector128{0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // 0b00000010
},
{
bitvector: Bitvector128{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // 0b00000000
idx: 48, // ^
val: true,
want: Bitvector128{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // 0b00001000
},
{
bitvector: Bitvector128{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // 0b00000000
idx: 30, // ^
val: true,
want: Bitvector128{0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // 0b00001000
},
{
bitvector: Bitvector128{0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // 0b00000000
idx: 45,
val: false,
want: Bitvector128{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // 0b00000000
},
{
bitvector: Bitvector128{0x0F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // 0b00001111
idx: 0, // ^
val: true,
want: Bitvector128{0x0F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // 0b00001111
},
{
bitvector: Bitvector128{0x0F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // 0b00001111
idx: 0, // ^
val: false,
want: Bitvector128{0x0E, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // 0b00001110
},
{
bitvector: Bitvector128{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
idx: 123,
val: true,
want: Bitvector128{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08},
},
{
bitvector: Bitvector128{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
idx: 127,
val: true,
want: Bitvector128{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80},
},
{ // 1 byte smaller
bitvector: Bitvector128{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
idx: 127,
val: true,
want: Bitvector128{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
},
{
bitvector: Bitvector128{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
idx: 127,
val: false,
want: Bitvector128{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
},
{
bitvector: Bitvector128{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80},
idx: 127,
val: false,
want: Bitvector128{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
},
{
bitvector: Bitvector128{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
idx: 128,
val: false,
want: Bitvector128{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
},
}
for _, tt := range tests {
original := [8]byte{}
copy(original[:], tt.bitvector[:])
tt.bitvector.SetBitAt(tt.idx, tt.val)
if !bytes.Equal(tt.bitvector, tt.want) {
t.Errorf(
"(%x).SetBitAt(%d, %t) = %x, wanted %x",
original,
tt.idx,
tt.val,
tt.bitvector,
tt.want,
)
}
}
}
func TestBitvector128_Count(t *testing.T) {
tests := []struct {
bitvector Bitvector128
want uint64
}{
{
bitvector: Bitvector128{},
want: 0,
},
{
bitvector: Bitvector128{0x01}, // 0b00000001
want: 1,
},
{
bitvector: Bitvector128{0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x00}, // 0b00000011
want: 4,
},
{
bitvector: Bitvector128{0x07, 0x00, 0x00, 0x00, 0x00, 0x40, 0x40, 0x00}, // 0b00000111
want: 5,
},
{
bitvector: Bitvector128{0x0F, 0x00, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00}, // 0b00001111
want: 5,
},
{
bitvector: Bitvector128{0xFF, 0xEE, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // 0b11111111
want: 14,
},
{
bitvector: Bitvector128{0x00},
want: 0,
},
{
bitvector: Bitvector128{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff},
want: 128,
},
{
bitvector: Bitvector128{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff},
want: 128,
},
}
for _, tt := range tests {
if tt.bitvector.Count() != tt.want {
t.Errorf(
"(%x).Count() = %d, wanted %d",
tt.bitvector,
tt.bitvector.Count(),
tt.want,
)
}
}
}
func TestBitvector128_Bytes(t *testing.T) {
tests := []struct {
bitvector Bitvector128
want []byte
}{
{
bitvector: Bitvector128{},
want: []byte{},
},
{
bitvector: Bitvector128{0x12, 0x34, 0xAB, 0x00},
want: []byte{0x12, 0x34, 0xAB, 0x00},
},
{
bitvector: Bitvector128{0x01},
want: []byte{0x01},
},
{
bitvector: Bitvector128{0x03},
want: []byte{0x03},
},
{
bitvector: Bitvector128{0x07},
want: []byte{0x07},
},
{
bitvector: Bitvector128{0x0F},
want: []byte{0x0F},
},
{
bitvector: Bitvector128{0xFF},
want: []byte{0xFF},
},
{
bitvector: Bitvector128{0xF0},
want: []byte{0xF0},
},
{
bitvector: Bitvector128{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x11},
want: []byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff},
},
}
for _, tt := range tests {
if !bytes.Equal(tt.bitvector.Bytes(), tt.want) {
t.Errorf(
"(%x).Bytes() = %x, wanted %x",
tt.bitvector,
tt.bitvector.Bytes(),
tt.want,
)
}
}
}
func TestBitvector128_Shift(t *testing.T) {
tests := []struct {
bitvector Bitvector128
shift int
want Bitvector128
}{
{
bitvector: Bitvector128{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
shift: 1,
want: Bitvector128{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
},
{
bitvector: Bitvector128{0x01, 0x23, 0xE2, 0xFE, 0xDD, 0xAC, 0xAD, 0xAD},
shift: 1,
want: Bitvector128{0x02, 0x47, 0xC5, 0xFD, 0xBB, 0x59, 0x5B, 0x5A},
},
{
bitvector: Bitvector128{0x23, 0x01, 0xAD, 0xE2, 0xDD, 0xFE, 0xAC, 0xAD},
shift: 1,
want: Bitvector128{0x46, 0x03, 0x5b, 0xc5, 0xBB, 0xFD, 0x59, 0x5A},
},
{
bitvector: Bitvector128{0x01, 0x23, 0xE2, 0xFE, 0xDD, 0xAC, 0xAD, 0xAD},
shift: -1,
want: Bitvector128{0x00, 0x91, 0xf1, 0x7f, 0x6e, 0xd6, 0x56, 0xd6},
},
{
bitvector: Bitvector128{0xd6, 0x23, 0x6e, 0x91, 0xDD, 0xAC, 0x7f, 0xE2},
shift: -1,
want: Bitvector128{0x6b, 0x11, 0xb7, 0x48, 0xee, 0xd6, 0x3f, 0xf1},
},
{
bitvector: Bitvector128{0x01, 0x23, 0xE2, 0xFE, 0xDD, 0xAC, 0xAD, 0xAD},
shift: 3,
want: Bitvector128{0x09, 0x1f, 0x17, 0xf6, 0xed, 0x65, 0x6d, 0x68},
},
{
bitvector: Bitvector128{0x17, 0xDD, 0x09, 0x17, 0x1f, 0x17, 0xf6, 0xed},
shift: -3,
want: Bitvector128{0x02, 0xfb, 0xa1, 0x22, 0xe3, 0xe2, 0xfe, 0xdd},
},
{
bitvector: Bitvector128{0x01, 0x23, 0xE2, 0xFE, 0xDD, 0xAC, 0xAD, 0xAD},
shift: 8,
want: Bitvector128{0x23, 0xe2, 0xfe, 0xdd, 0xac, 0xad, 0xad, 0x00},
},
}
for _, tt := range tests {
original := make(Bitvector128, len(tt.bitvector))
copy(original, tt.bitvector)
tt.bitvector.Shift(tt.shift)
if !bytes.Equal(tt.bitvector, tt.want) {
t.Errorf(
"(%x).Shift(%d) = %x, wanted %x",
original,
tt.shift,
tt.bitvector,
tt.want,
)
}
}
}
func TestBitvector128_BitIndices(t *testing.T) {
tests := []struct {
a Bitvector128
want []int
}{
{
a: Bitvector128{0b10010},
want: []int{1, 4},
},
{
a: Bitvector128{0b10000},
want: []int{4},
},
{
a: Bitvector128{0b10, 0b1},
want: []int{1, 8},
},
{
a: Bitvector128{0b11111111, 0b11},
want: []int{0, 1, 2, 3, 4, 5, 6, 7, 8, 9},
},
{
a: Bitvector128{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xF0, 0xF0},
want: []int{124, 125, 126, 127},
},
}
for _, tt := range tests {
if !reflect.DeepEqual(tt.a.BitIndices(), tt.want) {
t.Errorf(
"(%0.8b).BitIndices() = %d, wanted %d",
tt.a,
tt.a.BitIndices(),
tt.want,
)
}
}
}
func TestBitvector128_Contains(t *testing.T) {
tests := []struct {
a Bitvector128
b Bitvector128
want bool
}{
{
a: Bitvector128{0x00, 0x00, 0x00, 0x00, 0x02}, // 0b00000010
b: Bitvector128{0x00, 0x00, 0x00, 0x00, 0x03}, // 0b00000011
want: false,
},
{
a: Bitvector128{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03}, // 0b00000011
b: Bitvector128{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03}, // 0b00000011
want: true,
},
{
a: Bitvector128{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x13}, // 0b00010011
b: Bitvector128{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x15}, // 0b00010101
want: false,
},
{
a: Bitvector128{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1F}, // 0b00011111
b: Bitvector128{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x13}, // 0b00010011
want: true,
},
{
a: Bitvector128{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1F}, // 0b00011111
b: Bitvector128{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x13}, // 0b00010011
want: true,
},
{
a: Bitvector128{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1F, 0x03}, // 0b00011111, 0b00000011
b: Bitvector128{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x13, 0x02}, // 0b00010011, 0b00000010
want: true,
},
{
a: Bitvector128{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1F, 0x01}, // 0b00011111, 0b00000001
b: Bitvector128{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x93, 0x01}, // 0b10010011, 0b00000001
want: false,
},
{
a: Bitvector128{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0x02}, // 0b11111111, 0x00000010
b: Bitvector128{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x13, 0x03}, // 0b00010011, 0x00000011
want: false,
},
{
a: Bitvector128{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0x85}, // 0b11111111, 0x10000111
b: Bitvector128{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x13, 0x8F}, // 0b00010011, 0x10001111
want: false,
},
{
a: Bitvector128{0xFF, 0x8F}, // 0b11111111, 0x10001111
b: Bitvector128{0x13, 0x83}, // 0b00010011, 0x10000011
want: true,
},
}
for _, tt := range tests {
if got, err := tt.a.Contains(tt.b); got != tt.want || err != nil {
t.Errorf(
"(%x).Contains(%x) = %t, %v, wanted %t",
tt.a,
tt.b,
got,
err,
tt.want,
)
}
}
}
func TestBitvector128_Overlaps(t *testing.T) {
tests := []struct {
a Bitvector128
b Bitvector128
want bool
}{
{
a: Bitvector128{0x06}, // 0b00000110
b: Bitvector128{0x01}, // 0b00000101
want: false,
},
{
a: Bitvector128{0x06}, // 0b00000110
b: Bitvector128{0x05}, // 0b00000101
want: true,
},
{
a: Bitvector128{0x1A}, // 0b00011010
b: Bitvector128{0x25}, // 0b00100101
want: false,
},
{
a: Bitvector128{0x1F}, // 0b00011111
b: Bitvector128{0x11}, // 0b00010001
want: true,
},
{
a: Bitvector128{0xFF, 0x85}, // 0b11111111, 0b10000111
b: Bitvector128{0x13, 0x8F}, // 0b00010011, 0b10001111
want: true,
},
{
a: Bitvector128{0x00, 0x40}, // 0b00000001, 0b01000000
b: Bitvector128{0x00, 0x40}, // 0b00000010, 0b01000000
want: true,
},
{
a: Bitvector128{0x01, 0x40}, // 0b00000001, 0b01000000
b: Bitvector128{0x02, 0x30}, // 0b00000010, 0b01000000
want: false,
},
{
a: Bitvector128{0x01, 0x01, 0x01}, // 0b00000001, 0b00000001, 0b00000001
b: Bitvector128{0x02, 0x00, 0x00}, // 0b00000010, 0b00000000, 0b00000001
want: false,
},
}
for _, tt := range tests {
if got, err := tt.a.Overlaps(tt.b); got != tt.want || err != nil {
t.Errorf(
"(%x).Overlaps(%x) = %t, %v, wanted %t",
tt.a,
tt.b,
got,
err,
tt.want,
)
}
}
}
func TestBitVector128_Or(t *testing.T) {
tests := []struct {
a Bitvector128
b Bitvector128
want Bitvector128
}{
{
a: Bitvector128{0x02}, // 0b00000010
b: Bitvector128{0x03}, // 0b00000011
want: Bitvector128{0x03}, // 0b00000011
},
{
a: Bitvector128{0x03}, // 0b00000011
b: Bitvector128{0x03}, // 0b00000011
want: Bitvector128{0x03}, // 0b00000011
},
{
a: Bitvector128{0x13}, // 0b00010011
b: Bitvector128{0x15}, // 0b00010101
want: Bitvector128{0x17}, // 0b00010111
},
{
a: Bitvector128{0x1F}, // 0b00011111
b: Bitvector128{0x13}, // 0b00010011
want: Bitvector128{0x1F}, // 0b00011111
},
{
a: Bitvector128{0x1F, 0x03}, // 0b00011111, 0b00000011
b: Bitvector128{0x13, 0x02}, // 0b00010011, 0b00000010
want: Bitvector128{0x1F, 0x03}, // 0b00011111, 0b00000011
},
{
a: Bitvector128{0x1F, 0x01}, // 0b00011111, 0b00000001
b: Bitvector128{0x93, 0x01}, // 0b10010011, 0b00000001
want: Bitvector128{0x9F, 0x01}, // 0b00011111, 0b00000001
},
{
a: Bitvector128{0xFF, 0x02}, // 0b11111111, 0x00000010
b: Bitvector128{0x13, 0x03}, // 0b00010011, 0x00000011
want: Bitvector128{0xFF, 0x03}, // 0b11111111, 0x00000011
},
{
a: Bitvector128{0xFF, 0x85}, // 0b11111111, 0x10000111
b: Bitvector128{0x13, 0x8F}, // 0b00010011, 0x10001111
want: Bitvector128{0xFF, 0x8F}, // 0b11111111, 0x10001111
},
}
for _, tt := range tests {
if got, err := tt.a.Or(tt.b); !bytes.Equal(got, tt.want) {
t.Errorf(
"(%x).Or(%x) = %x, %v, wanted %x",
tt.a,
tt.b,
got,
err,
tt.want,
)
}
}
}