2019-05-08 02:42:51 +00:00
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package avlkey
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import (
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"bytes"
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"encoding/gob"
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"io/ioutil"
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"log"
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"testing"
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2019-05-08 03:04:03 +00:00
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"github.com/474420502/focus/compare"
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2019-05-08 02:42:51 +00:00
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"github.com/davecgh/go-spew/spew"
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)
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func loadTestData() []int {
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data, err := ioutil.ReadFile("../l.log")
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if err != nil {
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log.Println(err)
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}
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var l []int
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decoder := gob.NewDecoder(bytes.NewReader(data))
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decoder.Decode(&l)
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return l
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}
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func TestIterator(t *testing.T) {
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tree := New(compare.Int)
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for _, v := range []int{1, 2, 7, 4, 5, 6, 7, 14, 15, 20, 30, 21, 3} {
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// t.Error(v)
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tree.Put(v, v)
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}
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// ` AVLTree
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// │ ┌── 30
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// │ │ └── 21
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// │ ┌── 20
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// │ │ └── 15
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// └── 14
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// │ ┌── 7
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// │ ┌── 7
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// │ │ └── 6
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// └── 5
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// │ ┌── 4
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// │ │ └── 3
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// └── 2
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// └── 1`
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iter := tree.Iterator() // root start point
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l := []int{14, 15, 20, 21, 30}
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for i := 0; iter.Next(); i++ {
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if iter.Value().(int) != l[i] {
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t.Error("iter Next error", iter.Value(), l[i])
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}
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}
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iter.Next()
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if iter.Value().(int) != 30 {
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t.Error("Next == false", iter.Value(), iter.Next(), iter.Value())
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}
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l = []int{21, 20, 15, 14, 7, 7, 6, 5, 4, 3, 2, 1}
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for i := 0; iter.Prev(); i++ { // cur is 30 next is 21
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if iter.Value().(int) != l[i] {
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t.Error(iter.Value())
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}
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}
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if iter.Prev() != false {
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t.Error("Prev is error, cur is tail, val = 1 Prev return false")
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}
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if iter.Value().(int) != 1 { // cur is 1
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t.Error("next == false", iter.Value(), iter.Prev(), iter.Value())
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}
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if iter.Next() != true && iter.Value().(int) != 2 {
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t.Error("next to prev is error")
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}
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}
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func TestGetRange(t *testing.T) {
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tree := New(compare.Int)
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for _, v := range []int{5, 6, 8, 10, 13, 17, 1, 2, 40, 30} {
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tree.Put(v, v)
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}
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// t.Error(tree.debugString())
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// t.Error(tree.getArountNode(20))
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// t.Error(tree.Values())
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result := tree.GetRange(0, 20)
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if spew.Sprint(result) != "[1 2 5 6 8 10 13 17]" {
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t.Error(result)
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}
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result = tree.GetRange(-5, -1)
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if spew.Sprint(result) != "[]" {
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t.Error(result)
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}
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result = tree.GetRange(7, 20)
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if spew.Sprint(result) != "[8 10 13 17]" {
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t.Error(result)
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}
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result = tree.GetRange(30, 40)
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if spew.Sprint(result) != "[30 40]" {
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t.Error(result)
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}
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result = tree.GetRange(30, 60)
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if spew.Sprint(result) != "[30 40]" {
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t.Error(result)
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}
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result = tree.GetRange(40, 40)
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if spew.Sprint(result) != "[40]" {
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t.Error(result)
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}
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result = tree.GetRange(50, 60)
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if spew.Sprint(result) != "[]" {
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t.Error(result)
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}
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result = tree.GetRange(50, 1)
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if spew.Sprint(result) != "[40 30 17 13 10 8 6 5 2 1]" {
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t.Error(result)
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}
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result = tree.GetRange(30, 20)
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if spew.Sprint(result) != "[30]" {
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t.Error(result)
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}
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}
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func TestGetAround(t *testing.T) {
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tree := New(compare.Int)
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for _, v := range []int{7, 14, 14, 14, 16, 17, 20, 30, 21, 40, 50, 3, 40, 40, 40, 15} {
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tree.Put(v, v)
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}
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var Result string
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Result = spew.Sprint(tree.GetAround(14))
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if Result != "[7 14 14]" {
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t.Error(tree.Values())
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t.Error("14 is root, tree.GetAround(14)) is error", Result)
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t.Error(tree.debugString())
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}
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Result = spew.Sprint(tree.GetAround(17))
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if Result != "[16 17 20]" {
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t.Error(tree.Values())
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t.Error("tree.GetAround(17)) is error", Result)
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t.Error(tree.debugString())
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}
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Result = spew.Sprint(tree.GetAround(3))
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if Result != "[<nil> 3 7]" {
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t.Error(tree.Values())
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t.Error("tree.GetAround(3)) is error", Result)
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t.Error(tree.debugString())
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}
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Result = spew.Sprint(tree.GetAround(40))
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if Result != "[30 40 40]" {
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t.Error(tree.Values())
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t.Error("tree.GetAround(40)) is error", Result)
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t.Error(tree.debugString())
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}
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Result = spew.Sprint(tree.GetAround(50))
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if Result != "[40 50 <nil>]" {
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t.Error(tree.Values())
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t.Error("tree.GetAround(50)) is error", Result)
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t.Error(tree.debugString())
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}
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Result = spew.Sprint(tree.GetAround(18))
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if Result != "[17 <nil> 20]" {
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t.Error(tree.Values())
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t.Error("18 is not in list, tree.GetAround(18)) is error", Result)
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t.Error(tree.debugString())
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}
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Result = spew.Sprint(tree.GetAround(5))
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if Result != "[3 <nil> 7]" {
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t.Error(tree.Values())
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t.Error("5 is not in list, tree.GetAround(5)) is error", Result)
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t.Error(tree.debugString())
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}
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Result = spew.Sprint(tree.GetAround(2))
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if Result != "[<nil> <nil> 3]" {
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t.Error(tree.Values())
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t.Error("2 is not in list, tree.GetAround(2)) is error", Result)
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t.Error(tree.debugString())
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}
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Result = spew.Sprint(tree.GetAround(100))
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if Result != "[50 <nil> <nil>]" {
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t.Error(tree.Values())
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t.Error("50 is not in list, tree.GetAround(50)) is error", Result)
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t.Error(tree.debugString())
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}
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}
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// for test error case
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func TestPutStable(t *testing.T) {
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// f, _ := os.OpenFile("./test.log", os.O_CREATE|os.O_TRUNC|os.O_RDWR, 0666)
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// log.SetOutput(f)
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// 0-1 3 | 2-3 7-8 | 4-7 12-16 | 8-15 20-32 | 16-31 33-58 l := []int{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 18, 19, 20, 21, 22, 30, 41, 41, 41}
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// tree := New(compare.Int)
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// for i := 0; i < 10; i++ {
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// tree.Put(randomdata.Number(0, 100))
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// }
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// t.Error(tree.debugString())
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// t.Error(tree.debugString(), tree.TraversalBreadth(), "\n", "-----------")
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}
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2019-05-08 09:33:58 +00:00
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// func TestPutComparatorRandom(t *testing.T) {
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// for n := 0; n < 300000; n++ {
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// tree := New(compare.Int)
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// godsavl := avltree.NewWithIntComparator()
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// content := ""
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// m := make(map[int]int)
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// for i := 0; len(m) < 10; i++ {
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// v := randomdata.Number(0, 65535)
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// if _, ok := m[v]; !ok {
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// m[v] = v
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// content += spew.Sprint(v) + ","
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// tree.Put(v, v)
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// godsavl.Put(v, v)
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// }
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// }
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// if tree.String() != godsavl.String() {
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// t.Error(godsavl.String())
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// t.Error(tree.debugString())
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// t.Error(content, n)
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// break
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// }
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// }
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// }
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2019-05-08 02:42:51 +00:00
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func TestGet(t *testing.T) {
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tree := New(compare.Int)
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for _, v := range []int{2383, 7666, 3055, 39016, 57092, 27897, 36513, 1562, 22574, 23202} {
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tree.Put(v, v)
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}
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result := `
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│ ┌── 57092
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│ ┌── 39016
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│ │ └── 36513
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│ ┌── 27897
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│ │ │ ┌── 23202
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│ │ └── 22574
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└── 7666
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│ ┌── 3055
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└── 2383
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└── 1562
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`
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s1 := tree.String()
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s2 := "AVLTree" + result
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if s1 != s2 {
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t.Error(s1, s2)
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}
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for _, v := range []int{2383, 7666, 3055, 39016, 57092, 27897, 36513, 1562, 22574, 23202} {
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v, ok := tree.Get(v)
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if !ok {
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t.Error("the val not found ", v)
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}
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}
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if v, ok := tree.Get(10000); ok {
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t.Error("the val(10000) is not in tree, but is found", v)
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}
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}
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2019-05-08 09:33:58 +00:00
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// func TestRemoveAll(t *testing.T) {
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// ALL:
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// for c := 0; c < 50000; c++ {
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// tree := New(compare.Int)
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// gods := avltree.NewWithIntComparator()
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// var l []int
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// m := make(map[int]int)
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// for i := 0; len(l) < 50; i++ {
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// v := randomdata.Number(0, 100000)
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// if _, ok := m[v]; !ok {
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// m[v] = v
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// l = append(l, v)
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// tree.Put(v, v)
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// gods.Put(v, v)
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// }
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// }
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// for i := 0; i < 50; i++ {
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// tree.Remove(l[i])
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// gods.Remove(l[i])
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// s1 := spew.Sprint(tree.Values())
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// s2 := spew.Sprint(gods.Values())
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// if s1 != s2 {
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// t.Error("avl remove error", "avlsize = ", tree.Size())
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// t.Error(s1)
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// t.Error(s2)
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// break ALL
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// }
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// }
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// }
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// }
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// func TestRemove(t *testing.T) {
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// ALL:
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// for N := 0; N < 500000; N++ {
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// tree := New(compare.Int)
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// gods := avltree.NewWithIntComparator()
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// var l []int
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// m := make(map[int]int)
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// for i := 0; len(l) < 10; i++ {
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// v := randomdata.Number(0, 100)
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// if _, ok := m[v]; !ok {
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// l = append(l, v)
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// m[v] = v
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// tree.Put(v, v)
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// gods.Put(v, v)
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// }
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// }
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// src1 := tree.String()
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// src2 := gods.String()
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// for i := 0; i < 10; i++ {
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// tree.Remove(l[i])
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// gods.Remove(l[i])
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// if spew.Sprint(gods.Values()) != spew.Sprint(tree.Values()) && tree.size != 0 {
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// // if gods.String() != tree.String() && gods.Size() != 0 && tree.size != 0 {
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// t.Error(src1)
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// t.Error(src2)
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// t.Error(tree.debugString())
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// t.Error(gods.String())
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// t.Error(l[i])
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// // t.Error(tree.TraversalDepth(-1))
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// // t.Error(gods.Values())
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// break ALL
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// }
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// }
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// }
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// }
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// func BenchmarkIterator(b *testing.B) {
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// tree := New(compare.Int)
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// l := loadTestData()
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// for _, v := range l {
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// tree.Put(v, v)
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// }
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// b.ResetTimer()
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// b.StartTimer()
|
|
|
|
// b.N = 0
|
|
|
|
// iter := tree.Iterator()
|
|
|
|
// for iter.Next() {
|
|
|
|
// b.N++
|
|
|
|
// }
|
|
|
|
// for iter.Prev() {
|
|
|
|
// b.N++
|
|
|
|
// }
|
|
|
|
// for iter.Next() {
|
|
|
|
// b.N++
|
|
|
|
// }
|
|
|
|
// for iter.Prev() {
|
|
|
|
// b.N++
|
|
|
|
// }
|
|
|
|
|
|
|
|
// }
|
|
|
|
|
|
|
|
// func BenchmarkRemove(b *testing.B) {
|
|
|
|
// tree := New(compare.Int)
|
|
|
|
|
|
|
|
// 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 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) {
|
|
|
|
|
|
|
|
// tree := New(compare.Int)
|
|
|
|
|
|
|
|
// l := loadTestData()
|
|
|
|
// b.N = len(l)
|
|
|
|
// for i := 0; i < b.N; i++ {
|
|
|
|
// tree.Put(l[i], l[i])
|
|
|
|
// }
|
|
|
|
|
|
|
|
// b.ResetTimer()
|
|
|
|
// b.StartTimer()
|
|
|
|
|
|
|
|
// execCount := 10
|
|
|
|
// b.N = len(l) * execCount
|
|
|
|
|
|
|
|
// for i := 0; i < execCount; i++ {
|
|
|
|
// for _, v := range l {
|
|
|
|
// tree.Get(v)
|
|
|
|
// }
|
|
|
|
// }
|
|
|
|
// }
|
|
|
|
|
|
|
|
// func BenchmarkGodsRBGet(b *testing.B) {
|
|
|
|
// tree := redblacktree.NewWithIntComparator()
|
|
|
|
|
|
|
|
// l := loadTestData()
|
|
|
|
// b.N = len(l)
|
|
|
|
// for i := 0; i < b.N; i++ {
|
|
|
|
// tree.Put(l[i], l[i])
|
|
|
|
// }
|
|
|
|
|
|
|
|
// b.ResetTimer()
|
|
|
|
// b.StartTimer()
|
2019-05-08 02:42:51 +00:00
|
|
|
|
2019-05-08 09:33:58 +00:00
|
|
|
// execCount := 10
|
|
|
|
// b.N = len(l) * execCount
|
2019-05-08 02:42:51 +00:00
|
|
|
|
2019-05-08 09:33:58 +00:00
|
|
|
// for i := 0; i < execCount; i++ {
|
|
|
|
// for _, v := range l {
|
|
|
|
// tree.Get(v)
|
|
|
|
// }
|
|
|
|
// }
|
|
|
|
// }
|
2019-05-08 02:42:51 +00:00
|
|
|
|
2019-05-08 09:33:58 +00:00
|
|
|
// func BenchmarkGodsAvlGet(b *testing.B) {
|
|
|
|
// tree := avltree.NewWithIntComparator()
|
2019-05-08 02:42:51 +00:00
|
|
|
|
2019-05-08 09:33:58 +00:00
|
|
|
// l := loadTestData()
|
|
|
|
// b.N = len(l)
|
|
|
|
// for i := 0; i < b.N; i++ {
|
|
|
|
// tree.Put(l[i], l[i])
|
|
|
|
// }
|
2019-05-08 02:42:51 +00:00
|
|
|
|
2019-05-08 09:33:58 +00:00
|
|
|
// b.ResetTimer()
|
|
|
|
// b.StartTimer()
|
2019-05-08 02:42:51 +00:00
|
|
|
|
2019-05-08 09:33:58 +00:00
|
|
|
// execCount := 10
|
|
|
|
// b.N = len(l) * execCount
|
2019-05-08 02:42:51 +00:00
|
|
|
|
2019-05-08 09:33:58 +00:00
|
|
|
// for i := 0; i < execCount; i++ {
|
|
|
|
// for _, v := range l {
|
|
|
|
// tree.Get(v)
|
|
|
|
// }
|
|
|
|
// }
|
|
|
|
// }
|
2019-05-08 02:42:51 +00:00
|
|
|
|
|
|
|
func BenchmarkPut(b *testing.B) {
|
|
|
|
|
|
|
|
l := loadTestData()
|
|
|
|
|
|
|
|
b.ResetTimer()
|
|
|
|
b.StartTimer()
|
|
|
|
|
|
|
|
execCount := 10
|
|
|
|
b.N = len(l) * execCount
|
|
|
|
for i := 0; i < execCount; i++ {
|
|
|
|
tree := New(compare.Int)
|
|
|
|
for _, v := range l {
|
|
|
|
tree.Put(v, v)
|
|
|
|
}
|
|
|
|
}
|
|
|
|
// b.Log(tree.count)
|
|
|
|
}
|
|
|
|
|
2019-05-08 09:33:58 +00:00
|
|
|
// func BenchmarkGodsRBPut(b *testing.B) {
|
|
|
|
// tree := redblacktree.NewWithIntComparator()
|
2019-05-08 02:42:51 +00:00
|
|
|
|
2019-05-08 09:33:58 +00:00
|
|
|
// l := loadTestData()
|
2019-05-08 02:42:51 +00:00
|
|
|
|
2019-05-08 09:33:58 +00:00
|
|
|
// b.ResetTimer()
|
|
|
|
// b.StartTimer()
|
2019-05-08 02:42:51 +00:00
|
|
|
|
2019-05-08 09:33:58 +00:00
|
|
|
// b.N = len(l)
|
|
|
|
// for _, v := range l {
|
|
|
|
// tree.Put(v, v)
|
|
|
|
// }
|
|
|
|
// }
|
2019-05-08 02:42:51 +00:00
|
|
|
|
2019-05-08 09:33:58 +00:00
|
|
|
// func BenchmarkGodsPut(b *testing.B) {
|
|
|
|
// tree := avltree.NewWithIntComparator()
|
2019-05-08 02:42:51 +00:00
|
|
|
|
2019-05-08 09:33:58 +00:00
|
|
|
// l := loadTestData()
|
2019-05-08 02:42:51 +00:00
|
|
|
|
2019-05-08 09:33:58 +00:00
|
|
|
// b.ResetTimer()
|
|
|
|
// b.StartTimer()
|
2019-05-08 02:42:51 +00:00
|
|
|
|
2019-05-08 09:33:58 +00:00
|
|
|
// b.N = len(l)
|
|
|
|
// for _, v := range l {
|
|
|
|
// tree.Put(v, v)
|
|
|
|
// }
|
|
|
|
// }
|