497 lines
8.9 KiB
Go
497 lines
8.9 KiB
Go
package avldup
|
|
|
|
import (
|
|
"bytes"
|
|
"encoding/gob"
|
|
"io/ioutil"
|
|
"log"
|
|
"os"
|
|
"testing"
|
|
|
|
"github.com/Pallinder/go-randomdata"
|
|
"github.com/davecgh/go-spew/spew"
|
|
"github.com/emirpasic/gods/trees/avltree"
|
|
"github.com/emirpasic/gods/trees/redblacktree"
|
|
|
|
"github.com/emirpasic/gods/utils"
|
|
)
|
|
|
|
const CompartorSize = 500000
|
|
const NumberMax = 60000000
|
|
|
|
func TestSave(t *testing.T) {
|
|
|
|
f, err := os.OpenFile("../l.log", os.O_CREATE|os.O_TRUNC|os.O_WRONLY, 0666)
|
|
if err != nil {
|
|
log.Println(err)
|
|
}
|
|
|
|
//fmt.Println(userBytes)
|
|
|
|
var l []int
|
|
m := make(map[int]int)
|
|
for i := 0; len(l) < CompartorSize; i++ {
|
|
v := randomdata.Number(0, NumberMax)
|
|
if _, ok := m[v]; !ok {
|
|
m[v] = v
|
|
l = append(l, v)
|
|
}
|
|
}
|
|
|
|
var result bytes.Buffer
|
|
encoder := gob.NewEncoder(&result)
|
|
encoder.Encode(l)
|
|
lbytes := result.Bytes()
|
|
f.Write(lbytes)
|
|
|
|
}
|
|
|
|
func loadTestData() []int {
|
|
data, err := ioutil.ReadFile("../l.log")
|
|
if err != nil {
|
|
log.Println(err)
|
|
}
|
|
var l []int
|
|
decoder := gob.NewDecoder(bytes.NewReader(data))
|
|
decoder.Decode(&l)
|
|
return l
|
|
}
|
|
|
|
func TestDupKey(t *testing.T) {
|
|
tree1 := New(utils.IntComparator)
|
|
tree2 := avltree.NewWithIntComparator()
|
|
|
|
for i := 0; i < CompartorSize/1000; i++ {
|
|
v := randomdata.Number(0, NumberMax)
|
|
tree1.Put(v)
|
|
tree2.Put(v, v)
|
|
}
|
|
|
|
tree1.Put(500)
|
|
tree2.Put(500, 500)
|
|
|
|
tree1.Put(500)
|
|
tree2.Put(500, 500)
|
|
|
|
if tree1.Size() == tree2.Size() {
|
|
t.Error("tree size is equal")
|
|
}
|
|
|
|
if tree1.String() == tree2.String() {
|
|
t.Error(tree1.String())
|
|
}
|
|
}
|
|
|
|
func TestIterator(t *testing.T) {
|
|
avl := New(utils.IntComparator)
|
|
for _, v := range []int{1, 2, 7, 4, 5, 6, 7, 14, 15, 20, 30, 21, 3} {
|
|
// t.Error(v)
|
|
avl.Put(v)
|
|
|
|
}
|
|
// ` AVLTree
|
|
// │ ┌── 30
|
|
// │ │ └── 21
|
|
// │ ┌── 20
|
|
// │ │ └── 15
|
|
// └── 14
|
|
// │ ┌── 7
|
|
// │ ┌── 7
|
|
// │ │ └── 6
|
|
// └── 5
|
|
// │ ┌── 4
|
|
// │ │ └── 3
|
|
// └── 2
|
|
// └── 1`
|
|
|
|
iter := avl.Iterator() // root start point
|
|
|
|
l := []int{14, 15, 20, 21, 30}
|
|
|
|
for i := 0; iter.Prev(); i++ {
|
|
if iter.Value().(int) != l[i] {
|
|
t.Error("iter prev error", iter.Value(), l[i])
|
|
}
|
|
}
|
|
|
|
iter.Prev()
|
|
if iter.Value().(int) != 30 {
|
|
t.Error("prev == false", iter.Value(), iter.Prev(), iter.Value())
|
|
}
|
|
|
|
l = []int{21, 20, 15, 14, 7, 7, 6, 5, 4, 3, 2, 1}
|
|
for i := 0; iter.Next(); i++ { // cur is 30 next is 21
|
|
if iter.Value().(int) != l[i] {
|
|
t.Error(iter.Value())
|
|
}
|
|
}
|
|
|
|
if iter.Next() != false {
|
|
t.Error("Next is error, cur is tail, val = 1 Next return false")
|
|
}
|
|
if iter.Value().(int) != 1 { // cur is 1
|
|
t.Error("next == false", iter.Value(), iter.Next(), iter.Value())
|
|
}
|
|
|
|
if iter.Prev() != true && iter.Value().(int) != 2 {
|
|
t.Error("next to prev is error")
|
|
}
|
|
}
|
|
|
|
func TestGetAround(t *testing.T) {
|
|
avl := New(utils.IntComparator)
|
|
for _, v := range []int{7, 14, 15, 20, 30, 21, 40, 40, 50, 3, 40, 40, 40} {
|
|
avl.Put(v)
|
|
}
|
|
|
|
if spew.Sprint(avl.GetAround(30)) != "[40 30 21]" {
|
|
t.Error("avl.GetAround(40)) is error", spew.Sprint(avl.GetAround(30)))
|
|
}
|
|
|
|
if spew.Sprint(avl.GetAround(40)) != "[40 40 30]" {
|
|
t.Error("avl.GetAround(40)) is error", spew.Sprint(avl.GetAround(50)))
|
|
}
|
|
|
|
if spew.Sprint(avl.GetAround(50)) != "[<nil> 50 40]" {
|
|
t.Error("avl.GetAround(40)) is error", spew.Sprint(avl.GetAround(50)))
|
|
}
|
|
}
|
|
|
|
// for test error case
|
|
func TestPutStable(t *testing.T) {
|
|
// avl := New(utils.IntComparator)
|
|
// gods := avltree.NewWithIntComparator()
|
|
// // 44908, 34985, 62991, 4201, 27210, 30707
|
|
// for _, v := range []int{2383, 7666, 3055, 39016, 57092, 27897, 36513, 1562, 22574, 23202} {
|
|
// t.Error(v)
|
|
// t.Error(avl.debugString())
|
|
// avl.Put(v)
|
|
// gods.Put(v, v)
|
|
// t.Error(avl.debugString())
|
|
// t.Error(gods.String())
|
|
// }
|
|
}
|
|
|
|
func TestPutComparatorRandom(t *testing.T) {
|
|
|
|
for n := 0; n < 300000; n++ {
|
|
avl := New(utils.IntComparator)
|
|
godsavl := avltree.NewWithIntComparator()
|
|
|
|
content := ""
|
|
m := make(map[int]int)
|
|
for i := 0; len(m) < 10; i++ {
|
|
v := randomdata.Number(0, 65535)
|
|
if _, ok := m[v]; !ok {
|
|
m[v] = v
|
|
content += spew.Sprint(v) + ","
|
|
// t.Error(v)
|
|
avl.Put(v)
|
|
// t.Error(avl.String())
|
|
godsavl.Put(v, v)
|
|
}
|
|
}
|
|
|
|
if avl.String() != godsavl.String() {
|
|
t.Error(godsavl.String())
|
|
t.Error(avl.debugString())
|
|
t.Error(content, n)
|
|
break
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestGet(t *testing.T) {
|
|
avl := New(utils.IntComparator)
|
|
for _, v := range []int{2383, 7666, 3055, 39016, 57092, 27897, 36513, 1562, 22574, 23202} {
|
|
avl.Put(v)
|
|
}
|
|
|
|
result := `
|
|
│ ┌── 57092
|
|
│ ┌── 39016
|
|
│ │ └── 36513
|
|
│ ┌── 27897
|
|
│ │ │ ┌── 23202
|
|
│ │ └── 22574
|
|
└── 7666
|
|
│ ┌── 3055
|
|
└── 2383
|
|
└── 1562
|
|
`
|
|
|
|
s1 := avl.String()
|
|
s2 := "AVLTree" + result
|
|
if s1 != s2 {
|
|
t.Error(s1, s2)
|
|
}
|
|
|
|
for _, v := range []int{2383, 7666, 3055, 39016, 57092, 27897, 36513, 1562, 22574, 23202} {
|
|
v, ok := avl.Get(v)
|
|
if !ok {
|
|
t.Error("the val not found ", v)
|
|
}
|
|
}
|
|
|
|
if v, ok := avl.Get(10000); ok {
|
|
t.Error("the val(1000) is not in tree, but is found", v)
|
|
}
|
|
|
|
}
|
|
|
|
func TestRemoveAll(t *testing.T) {
|
|
|
|
ALL:
|
|
for c := 0; c < 5000; c++ {
|
|
avl := New(utils.IntComparator)
|
|
gods := avltree.NewWithIntComparator()
|
|
var l []int
|
|
m := make(map[int]int)
|
|
|
|
for i := 0; len(l) < 100; i++ {
|
|
v := randomdata.Number(0, 100000)
|
|
if _, ok := m[v]; !ok {
|
|
m[v] = v
|
|
l = append(l, v)
|
|
avl.Put(v)
|
|
gods.Put(v, v)
|
|
}
|
|
}
|
|
|
|
for i := 0; i < 100; i++ {
|
|
avl.Remove(l[i])
|
|
gods.Remove(l[i])
|
|
s1 := spew.Sprint(avl.TraversalDepth(-1))
|
|
s2 := spew.Sprint(gods.Values())
|
|
if s1 != s2 {
|
|
t.Error("avl remove error", "avlsize = ", avl.Size())
|
|
t.Error(s1)
|
|
t.Error(s2)
|
|
break ALL
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestRemove(t *testing.T) {
|
|
|
|
ALL:
|
|
|
|
for N := 0; N < 500000; N++ {
|
|
avl := New(utils.IntComparator)
|
|
gods := avltree.NewWithIntComparator()
|
|
|
|
var l []int
|
|
m := make(map[int]int)
|
|
|
|
for i := 0; len(l) < 10; i++ {
|
|
v := randomdata.Number(0, 100)
|
|
if _, ok := m[v]; !ok {
|
|
l = append(l, v)
|
|
m[v] = v
|
|
avl.Put(v)
|
|
gods.Put(v, v)
|
|
}
|
|
}
|
|
|
|
src1 := avl.String()
|
|
src2 := gods.String()
|
|
|
|
for i := 0; i < 10; i++ {
|
|
avl.Remove(l[i])
|
|
gods.Remove(l[i])
|
|
if spew.Sprint(gods.Values()) != spew.Sprint(avl.TraversalDepth(-1)) && avl.size != 0 {
|
|
// if gods.String() != avl.String() && gods.Size() != 0 && avl.size != 0 {
|
|
t.Error(src1)
|
|
t.Error(src2)
|
|
t.Error(avl.debugString())
|
|
t.Error(gods.String())
|
|
t.Error(l[i])
|
|
// t.Error(avl.TraversalDepth(-1))
|
|
// t.Error(gods.Values())
|
|
break ALL
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func BenchmarkIterator(b *testing.B) {
|
|
tree := New(utils.IntComparator)
|
|
|
|
l := loadTestData()
|
|
b.N = len(l)
|
|
|
|
for _, v := range l {
|
|
tree.Put(v)
|
|
}
|
|
|
|
b.ResetTimer()
|
|
b.StartTimer()
|
|
iter := tree.Iterator()
|
|
for iter.Next() {
|
|
}
|
|
for iter.Prev() {
|
|
}
|
|
for iter.Next() {
|
|
}
|
|
|
|
}
|
|
|
|
func BenchmarkGodsIterator(b *testing.B) {
|
|
tree := avltree.NewWithIntComparator()
|
|
|
|
l := loadTestData()
|
|
b.N = len(l)
|
|
|
|
for _, v := range l {
|
|
tree.Put(v, v)
|
|
}
|
|
|
|
b.ResetTimer()
|
|
b.StartTimer()
|
|
iter := tree.Iterator()
|
|
for iter.Next() {
|
|
}
|
|
for iter.Prev() {
|
|
}
|
|
for iter.Next() {
|
|
}
|
|
}
|
|
|
|
func BenchmarkRemove(b *testing.B) {
|
|
tree := New(utils.IntComparator)
|
|
|
|
l := loadTestData()
|
|
|
|
b.N = len(l)
|
|
for _, v := range l {
|
|
tree.Put(v)
|
|
}
|
|
|
|
b.ResetTimer()
|
|
b.StartTimer()
|
|
|
|
for i := 0; i < len(l); i++ {
|
|
tree.Remove(l[i])
|
|
}
|
|
}
|
|
|
|
func BenchmarkGodsRemove(b *testing.B) {
|
|
tree := avltree.NewWithIntComparator()
|
|
|
|
l := loadTestData()
|
|
|
|
b.N = len(l)
|
|
for _, v := range l {
|
|
tree.Put(v, v)
|
|
}
|
|
|
|
b.ResetTimer()
|
|
b.StartTimer()
|
|
|
|
for i := 0; i < len(l); i++ {
|
|
tree.Remove(l[i])
|
|
}
|
|
}
|
|
|
|
func BenchmarkGodsRBRemove(b *testing.B) {
|
|
tree := redblacktree.NewWithIntComparator()
|
|
|
|
l := loadTestData()
|
|
|
|
b.N = len(l)
|
|
for _, v := range l {
|
|
tree.Put(v, v)
|
|
}
|
|
|
|
b.ResetTimer()
|
|
b.StartTimer()
|
|
|
|
for i := 0; i < len(l); i++ {
|
|
tree.Remove(l[i])
|
|
}
|
|
}
|
|
|
|
func BenchmarkGet(b *testing.B) {
|
|
|
|
avl := New(utils.IntComparator)
|
|
|
|
l := loadTestData()
|
|
b.N = len(l)
|
|
|
|
b.ResetTimer()
|
|
b.StartTimer()
|
|
for i := 0; i < b.N; i++ {
|
|
avl.Get(l[i])
|
|
}
|
|
}
|
|
|
|
func BenchmarkGodsRBGet(b *testing.B) {
|
|
tree := redblacktree.NewWithIntComparator()
|
|
|
|
l := loadTestData()
|
|
b.N = len(l)
|
|
|
|
b.ResetTimer()
|
|
b.StartTimer()
|
|
for i := 0; i < b.N; i++ {
|
|
tree.Get(l[i])
|
|
}
|
|
}
|
|
|
|
func BenchmarkGodsAvlGet(b *testing.B) {
|
|
tree := avltree.NewWithIntComparator()
|
|
|
|
l := loadTestData()
|
|
b.N = len(l)
|
|
|
|
b.ResetTimer()
|
|
b.StartTimer()
|
|
for i := 0; i < b.N; i++ {
|
|
tree.Get(l[i])
|
|
}
|
|
}
|
|
|
|
func BenchmarkPut(b *testing.B) {
|
|
avl := New(utils.IntComparator)
|
|
|
|
l := loadTestData()
|
|
|
|
b.ResetTimer()
|
|
b.StartTimer()
|
|
|
|
b.N = len(l)
|
|
for _, v := range l {
|
|
avl.Put(v)
|
|
}
|
|
|
|
}
|
|
|
|
func BenchmarkGodsRBPut(b *testing.B) {
|
|
tree := redblacktree.NewWithIntComparator()
|
|
|
|
l := loadTestData()
|
|
|
|
b.ResetTimer()
|
|
b.StartTimer()
|
|
|
|
b.N = len(l)
|
|
for _, v := range l {
|
|
tree.Put(v, v)
|
|
}
|
|
}
|
|
|
|
func BenchmarkGodsPut(b *testing.B) {
|
|
tree := avltree.NewWithIntComparator()
|
|
|
|
l := loadTestData()
|
|
|
|
b.ResetTimer()
|
|
b.StartTimer()
|
|
|
|
b.N = len(l)
|
|
for _, v := range l {
|
|
tree.Put(v, v)
|
|
}
|
|
}
|