ledisdb/ledis/t_bit_test.go

593 lines
11 KiB
Go

package ledis
import (
"encoding/binary"
"testing"
)
func cmpBytes(a []byte, b []byte) bool {
if len(a) != len(b) {
println("len diff")
println(len(a))
println(len(b))
return true
}
for i, n := range a {
if n != b[i] {
println("diff !")
println(i)
println(n)
println(b[i])
return true
}
}
return false
}
func newBytes(bitLen int32) []byte {
bytes := bitLen / 8
if bitLen%8 > 0 {
bytes++
}
return make([]byte, bytes, bytes)
}
func TestBinary(t *testing.T) {
testSimple(t)
testSimpleII(t)
testCount(t)
testOpAndOr(t)
testOpXor(t)
testOpNot(t)
testMSetBit(t)
testBitExpire(t)
}
func testSimple(t *testing.T) {
db := getTestDB()
key := []byte("test_bin")
if v, _ := db.BGetBit(key, 100); v != 0 {
t.Error(v)
}
if ori, _ := db.BSetBit(key, 50, 1); ori != 0 {
t.Error(ori)
}
if v, _ := db.BGetBit(key, 50); v != 1 {
t.Error(v)
}
if ori, _ := db.BSetBit(key, 50, 0); ori != 1 {
t.Error(ori)
}
if v, _ := db.BGetBit(key, 50); v != 0 {
t.Error(v)
}
db.BSetBit(key, 7, 1)
db.BSetBit(key, 8, 1)
db.BSetBit(key, 9, 1)
db.BSetBit(key, 10, 1)
if sum, _ := db.BCount(key, 0, -1); sum != 4 {
t.Error(sum)
}
data, _ := db.BGet(key)
if cmpBytes(data, []byte{0x80, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00}) {
t.Error(data)
}
if tail, _ := db.BTail(key); tail != int32(50) {
t.Error(tail)
}
}
func testSimpleII(t *testing.T) {
db := getTestDB()
db.FlushAll()
key := []byte("test_bin_2")
pos := int32(1234567)
if ori, _ := db.BSetBit(key, pos, 1); ori != 0 {
t.Error(ori)
}
if v, _ := db.BGetBit(key, pos); v != 1 {
t.Error(v)
}
if v, _ := db.BGetBit(key, pos-1); v != 0 {
t.Error(v)
}
if v, _ := db.BGetBit(key, pos+1); v != 0 {
t.Error(v)
}
if tail, _ := db.BTail(key); tail != pos {
t.Error(tail)
}
data, _ := db.BGet(key)
stdData := newBytes(pos + 1)
stdData[pos/8] = uint8(1 << (uint(pos) % 8))
if cmpBytes(data, stdData) {
t.Error(len(data))
}
if drop, _ := db.BDelete(key); drop != 1 {
t.Error(false)
}
if data, _ := db.BGet(key); data != nil {
t.Error(data)
}
}
func testCount(t *testing.T) {
db := getTestDB()
db.FlushAll()
key := []byte("test_bin_count")
if ori, _ := db.BSetBit(key, 0, 1); ori != 0 {
t.Error(ori)
}
if ori, _ := db.BSetBit(key, 10, 1); ori != 0 {
t.Error(ori)
}
if ori, _ := db.BSetBit(key, 262140, 1); ori != 0 {
t.Error(ori)
}
// count
if sum, _ := db.BCount(key, 0, -1); sum != 3 {
t.Error(sum)
}
if sum, _ := db.BCount(key, 0, 9); sum != 1 {
t.Error(sum)
}
if sum, _ := db.BCount(key, 0, 10); sum != 2 {
t.Error(sum)
}
if sum, _ := db.BCount(key, 0, 11); sum != 2 {
t.Error(sum)
}
if sum, _ := db.BCount(key, 0, 262139); sum != 2 {
t.Error(sum)
}
if sum, _ := db.BCount(key, 0, 262140); sum != 3 {
t.Error(sum)
}
if sum, _ := db.BCount(key, 0, 262141); sum != 3 {
t.Error(sum)
}
if sum, _ := db.BCount(key, 10, 262140); sum != 2 {
t.Error(sum)
}
if sum, _ := db.BCount(key, 11, 262140); sum != 1 {
t.Error(sum)
}
if sum, _ := db.BCount(key, 11, 262139); sum != 0 {
t.Error(sum)
}
key = []byte("test_bin_count_2")
db.BSetBit(key, 1, 1)
db.BSetBit(key, 2, 1)
db.BSetBit(key, 4, 1)
db.BSetBit(key, 6, 1)
if sum, _ := db.BCount(key, 0, -1); sum != 4 {
t.Error(sum)
}
if sum, _ := db.BCount(key, 1, 1); sum != 1 {
t.Error(sum)
}
if sum, _ := db.BCount(key, 0, 7); sum != 4 {
t.Error(sum)
}
if ori, _ := db.BSetBit(key, 8, 1); ori != 0 {
t.Error(ori)
}
if ori, _ := db.BSetBit(key, 11, 1); ori != 0 {
t.Error(ori)
}
if sum, _ := db.BCount(key, 0, -1); sum != 6 {
t.Error(sum)
}
if sum, _ := db.BCount(key, 0, 16); sum != 6 {
t.Error(sum)
}
}
func testOpAndOr(t *testing.T) {
db := getTestDB()
db.FlushAll()
dstKey := []byte("test_bin_op_and_or")
k0 := []byte("op_0")
k1 := []byte("op_01")
k2 := []byte("op_10")
k3 := []byte("op_11")
srcKeys := [][]byte{k2, k0, k1, k3}
/*
<k0>
<seg> - <high> ... <low>
0 - [10000000] ... [00000001]
1 - nil
2 - [00000000] ... [11111111] ... [00000000]
3 - [01010101] ... [10000001] [10101010]
4 - [10000000] ... [00000000]
5 - [00000000] ... [00000011] [00000001]
...
*/
// (k0 - seg:0)
db.BSetBit(k0, int32(0), 1)
db.BSetBit(k0, int32(segBitSize-1), 1)
// (k0 - seg:2)
pos := segBitSize*2 + segBitSize/2
for i := uint32(0); i < 8; i++ {
db.BSetBit(k0, int32(pos+i), 1)
}
// (k0 - seg:3)
pos = segBitSize * 3
db.BSetBit(k0, int32(pos+8), 1)
db.BSetBit(k0, int32(pos+15), 1)
for i := uint32(1); i < 8; i += 2 {
db.BSetBit(k0, int32(pos+i), 1)
}
pos = segBitSize*4 - 8
for i := uint32(0); i < 8; i += 2 {
db.BSetBit(k0, int32(pos+i), 1)
}
// (k0 - seg:4)
db.BSetBit(k0, int32(segBitSize*5-1), 1)
// (k0 - seg:5)
db.BSetBit(k0, int32(segBitSize*5), 1)
db.BSetBit(k0, int32(segBitSize*5+8), 1)
db.BSetBit(k0, int32(segBitSize*5+9), 1)
/*
<k1>
0 - nil
1 - [00000001] ... [10000000]
2 - nil
3 - [10101010] ... [10000001] [01010101]
...
*/
// (k1 - seg:1)
db.BSetBit(k1, int32(segBitSize+7), 1)
db.BSetBit(k1, int32(segBitSize*2-8), 1)
// (k1 - seg:3)
pos = segBitSize * 3
db.BSetBit(k1, int32(pos+8), 1)
db.BSetBit(k1, int32(pos+15), 1)
for i := uint32(0); i < 8; i += 2 {
db.BSetBit(k0, int32(pos+i), 1)
}
pos = segBitSize*4 - 8
for i := uint32(1); i < 8; i += 2 {
db.BSetBit(k0, int32(pos+i), 1)
}
var stdData []byte
var data []byte
var tmpKeys [][]byte
// op - or
db.BOperation(OPor, dstKey, srcKeys...)
stdData = make([]byte, 5*segByteSize+2)
stdData[0] = uint8(0x01)
stdData[segByteSize-1] = uint8(0x80)
stdData[segByteSize] = uint8(0x80)
stdData[segByteSize*2-1] = uint8(0x01)
stdData[segByteSize*2+segByteSize/2] = uint8(0xff)
stdData[segByteSize*3] = uint8(0xff)
stdData[segByteSize*3+1] = uint8(0x81)
stdData[segByteSize*4-1] = uint8(0xff)
stdData[segByteSize*5-1] = uint8(0x80)
stdData[segByteSize*5] = uint8(0x01)
stdData[segByteSize*5+1] = uint8(0x03)
data, _ = db.BGet(dstKey)
if cmpBytes(data, stdData) {
t.Fatal(false)
}
tmpKeys = [][]byte{k0, dstKey, k1}
db.BOperation(OPor, dstKey, tmpKeys...)
data, _ = db.BGet(dstKey)
if cmpBytes(data, stdData) {
t.Fatal(false)
}
// op - and
db.BOperation(OPand, dstKey, srcKeys...)
stdData = make([]byte, 5*segByteSize+2)
stdData[segByteSize*3+1] = uint8(0x81)
data, _ = db.BGet(dstKey)
if cmpBytes(data, stdData) {
t.Fatal(false)
}
tmpKeys = [][]byte{k0, dstKey, k1}
db.BOperation(OPand, dstKey, tmpKeys...)
data, _ = db.BGet(dstKey)
if cmpBytes(data, stdData) {
t.Fatal(false)
}
}
func testOpAnd(t *testing.T) {
db := getTestDB()
db.FlushAll()
dstKey := []byte("test_bin_or")
k0 := []byte("op_or_0")
k1 := []byte("op_or_01")
srcKeys := [][]byte{k0, k1}
db.BSetBit(k0, 0, 1)
db.BSetBit(k0, 2, 1)
db.BSetBit(k1, 1, 1)
if blen, _ := db.BOperation(OPand, dstKey, srcKeys...); blen != 3 {
t.Fatal(blen)
}
if cnt, _ := db.BCount(dstKey, 0, -1); cnt != 1 {
t.Fatal(1)
}
}
func testOpXor(t *testing.T) {
db := getTestDB()
db.FlushAll()
dstKey := []byte("test_bin_op_xor")
k0 := []byte("op_xor_00")
k1 := []byte("op_xor_01")
srcKeys := [][]byte{k0, k1}
reqs := make([]BitPair, 4)
reqs[0] = BitPair{0, 1}
reqs[1] = BitPair{7, 1}
reqs[2] = BitPair{int32(segBitSize - 1), 1}
reqs[3] = BitPair{int32(segBitSize - 8), 1}
db.BMSetBit(k0, reqs...)
reqs = make([]BitPair, 2)
reqs[0] = BitPair{7, 1}
reqs[1] = BitPair{int32(segBitSize - 8), 1}
db.BMSetBit(k1, reqs...)
var stdData []byte
var data []byte
// op - xor
db.BOperation(OPxor, dstKey, srcKeys...)
stdData = make([]byte, segByteSize)
stdData[0] = uint8(0x01)
stdData[segByteSize-1] = uint8(0x80)
data, _ = db.BGet(dstKey)
if cmpBytes(data, stdData) {
t.Fatal(false)
}
}
func testOpNot(t *testing.T) {
db := getTestDB()
db.FlushAll()
// intputs
dstKey := []byte("test_bin_op_not")
k0 := []byte("op_not_0")
srcKeys := [][]byte{k0}
db.BSetBit(k0, int32(0), 1)
db.BSetBit(k0, int32(7), 1)
pos := segBitSize
for i := uint32(8); i >= 1; i -= 2 {
db.BSetBit(k0, int32(pos-i), 1)
}
db.BSetBit(k0, int32(3*segBitSize-10), 1)
// std
stdData := make([]byte, segByteSize*3-1)
for i, _ := range stdData {
stdData[i] = 255
}
stdData[0] = uint8(0x7e)
stdData[segByteSize-1] = uint8(0xaa)
stdData[segByteSize*3-2] = uint8(0x3f)
// op - not
db.BOperation(OPnot, dstKey, srcKeys...)
data, _ := db.BGet(dstKey)
if cmpBytes(data, stdData) {
t.Fatal(false)
}
k1 := []byte("op_not_2")
srcKeys = [][]byte{k1}
db.BSetBit(k1, 0, 1)
db.BSetBit(k1, 2, 1)
db.BSetBit(k1, 4, 1)
db.BSetBit(k1, 6, 1)
if blen, _ := db.BOperation(OPnot, dstKey, srcKeys...); blen != 7 {
t.Fatal(blen)
}
if cnt, _ := db.BCount(dstKey, 0, -1); cnt != 3 {
t.Fatal(cnt)
}
}
func testMSetBit(t *testing.T) {
db := getTestDB()
db.FlushAll()
key := []byte("test_mset")
var datas = make([]BitPair, 8)
// 1st
datas[0] = BitPair{1000, 1}
datas[1] = BitPair{11, 1}
datas[2] = BitPair{10, 1}
datas[3] = BitPair{2, 1}
datas[4] = BitPair{int32(segBitSize - 1), 1}
datas[5] = BitPair{int32(segBitSize), 1}
datas[6] = BitPair{int32(segBitSize + 1), 1}
datas[7] = BitPair{int32(segBitSize) + 10, 0}
db.BMSetBit(key, datas...)
if sum, _ := db.BCount(key, 0, -1); sum != 7 {
t.Error(sum)
}
if tail, _ := db.BTail(key); tail != int32(segBitSize+10) {
t.Error(tail)
}
// 2nd
datas = make([]BitPair, 5)
datas[0] = BitPair{1000, 0}
datas[1] = BitPair{int32(segBitSize + 1), 0}
datas[2] = BitPair{int32(segBitSize * 10), 1}
datas[3] = BitPair{10, 0}
datas[4] = BitPair{99, 0}
db.BMSetBit(key, datas...)
if sum, _ := db.BCount(key, 0, -1); sum != 7-3+1 {
t.Error(sum)
}
if tail, _ := db.BTail(key); tail != int32(segBitSize*10) {
t.Error(tail)
}
return
}
func testBitExpire(t *testing.T) {
db := getTestDB()
db.FlushAll()
key := []byte("test_b_ttl")
db.BSetBit(key, 0, 1)
if res, err := db.BExpire(key, 100); res != 1 || err != nil {
t.Fatal(false)
}
if ttl, err := db.BTTL(key); ttl != 100 || err != nil {
t.Fatal(false)
}
}
func testBFlush(t *testing.T) {
db := getTestDB()
db.FlushAll()
for i := 0; i < 2000; i++ {
key := []byte{}
binary.LittleEndian.PutUint32(key, uint32(i))
if _, err := db.BSetBit(key, 1, 1); err != nil {
t.Fatal(err.Error())
}
}
if v, err := db.BScan(nil, 3000, true); err != nil {
t.Fatal(err.Error())
} else if len(v) != 2000 {
t.Fatal("invalid value ", len(v))
}
for i := 0; i < 2000; i++ {
key := []byte{}
binary.LittleEndian.PutUint32(key, uint32(i))
if v, err := db.BGetBit(key, 1); err != nil {
t.Fatal(err.Error())
} else if v != 1 {
t.Fatal("invalid value ", v)
}
}
if n, err := db.bFlush(); err != nil {
t.Fatal(err.Error())
} else if n != 2000 {
t.Fatal("invalid value ", n)
}
if v, err := db.BScan(nil, 3000, true); err != nil {
t.Fatal(err.Error())
} else if v != nil {
t.Fatal("invalid value length ", len(v))
}
for i := 0; i < 2000; i++ {
key := []byte{}
binary.LittleEndian.PutUint32(key, uint32(i))
if v, err := db.BGet(key); err != nil {
t.Fatal(err.Error())
} else if v != nil {
t.Fatal("invalid value ", v)
}
}
}