650 lines
11 KiB
Go
650 lines
11 KiB
Go
package avlindex
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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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"os"
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"testing"
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"github.com/huandu/skiplist"
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"github.com/Pallinder/go-randomdata"
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"github.com/davecgh/go-spew/spew"
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"github.com/emirpasic/gods/trees/avltree"
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"github.com/emirpasic/gods/trees/redblacktree"
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"github.com/emirpasic/gods/utils"
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)
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const CompartorSize = 1000000
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const NumberMax = 50000000
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func TestSave(t *testing.T) {
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f, err := os.OpenFile("../l.log", os.O_CREATE|os.O_TRUNC|os.O_WRONLY, 0666)
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if err != nil {
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log.Println(err)
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}
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//fmt.Println(userBytes)
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var l []int
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// for i := 0; len(l) < 1000; i++ {
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// v := randomdata.Number(0, 65535)
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// l = append(l, v)
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// }
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//m := make(map[int]int)
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for i := 0; len(l) < CompartorSize; i++ {
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v := randomdata.Number(0, NumberMax)
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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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// }
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}
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var result bytes.Buffer
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encoder := gob.NewEncoder(&result)
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encoder.Encode(l)
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lbytes := result.Bytes()
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f.Write(lbytes)
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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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// avl := New(utils.IntComparator)
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// for _, v := range []int{7, 14, 14, 14, 16, 17, 20, 30, 21, 40, 40, 50, 3, 40, 40, 40, 15} {
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// avl.Put(v)
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// }
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// t.Error(avl.Values())
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// t.Error(avl.debugString())
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}
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func TestGetRange(t *testing.T) {
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tree := New(utils.IntComparator)
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l := []int{7, 14, 14, 14, 16, 17, 20, 30, 21, 40, 50, 3, 40, 40, 40, 15}
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for _, v := range l {
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tree.Put(v)
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}
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// [3 7 14 14 14 15 16 17 20 21 30 40 40 40 40 50]
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// t.Error(tree.Values(), tree.Size())
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var result string
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result = spew.Sprint(tree.GetRange(0, 5))
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if result != "[3 7 14 14 14 15] true" {
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t.Error(result)
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}
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result = spew.Sprint(tree.GetRange(2, 5))
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if result != "[14 14 14 15] true" {
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t.Error(result)
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}
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result = spew.Sprint(tree.GetRange(10, 100))
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if result != "[30 40 40 40 40 50] false" {
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t.Error(result)
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}
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result = spew.Sprint(tree.GetRange(15, 0)) // size = 16, index max = 15
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if result != "[50 40 40 40 40 30 21 20 17 16 15 14 14 14 7 3] true" {
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t.Error(result)
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}
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result = spew.Sprint(tree.GetRange(16, 0)) // size = 16, index max = 15
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if result != "[50 40 40 40 40 30 21 20 17 16 15 14 14 14 7 3] false" {
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t.Error(result)
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}
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result = spew.Sprint(tree.GetRange(5, 1)) // size = 16, index max = 15
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if result != "[15 14 14 14 7] true" {
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t.Error(result)
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}
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result = spew.Sprint(tree.GetRange(-1, -5)) // size = 16, index max = 15
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if result != "[50 40 40 40 40] true" {
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t.Error(result)
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}
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result = spew.Sprint(tree.GetRange(-1, -16)) // size = 16, index max = 0 - 15 (-1,-16)
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if result != "[50 40 40 40 40 30 21 20 17 16 15 14 14 14 7 3] true" {
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t.Error(result)
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}
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result = spew.Sprint(tree.GetRange(-1, -17)) // size = 16, index max = 0 - 15 (-1,-16)
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if result != "[50 40 40 40 40 30 21 20 17 16 15 14 14 14 7 3] false" {
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t.Error(result)
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}
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result = spew.Sprint(tree.GetRange(-5, -1)) // size = 16, index max = 0 - 15 (-1,-16)
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if result != "[40 40 40 40 50] true" {
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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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avl := New(utils.IntComparator)
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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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avl.Put(v)
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}
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var Result string
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Result = spew.Sprint(avl.GetAround(3))
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if Result != "[7 3 <nil>]" {
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t.Error("avl.GetAround(3)) is error", Result)
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}
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Result = spew.Sprint(avl.GetAround(40))
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if Result != "[40 40 30]" {
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t.Error("avl.GetAround(40)) is error", Result)
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}
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Result = spew.Sprint(avl.GetAround(50))
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if Result != "[<nil> 50 40]" {
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t.Error("avl.GetAround(50)) is error", Result)
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}
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}
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// // for test error case
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func TestPutComparatorRandom(t *testing.T) {
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for n := 0; n < 300000; n++ {
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avl := New(utils.IntComparator)
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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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avl.Put(v)
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godsavl.Put(v, v)
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}
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}
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s1 := spew.Sprint(avl.Values())
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s2 := spew.Sprint(godsavl.Values())
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if s1 != s2 {
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t.Error(godsavl.String())
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t.Error(avl.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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func TestGet(t *testing.T) {
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avl := New(utils.IntComparator)
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for _, v := range []int{2383, 7666, 3055, 39016, 57092, 27897, 36513, 1562, 22574, 23202} {
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avl.Put(v)
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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 := avl.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 := avl.Get(10000); ok {
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t.Error("the val(1000) is not in tree, but is found", v)
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}
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}
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func TestTravalsal(t *testing.T) {
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tree := New(utils.IntComparator)
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l := loadTestData()
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N := len(l)
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for i := 0; i < N; i++ {
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tree.Put(l[i])
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}
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i := 0
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var result []interface{}
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tree.Traversal(func(v interface{}) bool {
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result = append(result, v)
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i++
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if i >= 10 {
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return false
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}
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return true
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})
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t.Error(result)
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}
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func TestRemoveAll(t *testing.T) {
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ALL:
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for c := 0; c < 5000; c++ {
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avl := New(utils.IntComparator)
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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, 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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avl.Put(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 < 10; i++ {
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avl.Remove(l[i])
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gods.Remove(l[i])
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s1 := spew.Sprint(avl.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 = ", avl.Size())
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t.Error(avl.root, i, l[i])
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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 < 50000; N++ {
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avl := New(utils.IntComparator)
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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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avl.Put(v)
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gods.Put(v, v)
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}
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}
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src1 := avl.String()
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src2 := gods.String()
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for i := 0; i < 10; i++ {
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avl.Remove(l[i])
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gods.Remove(l[i])
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if avl.root != nil && spew.Sprint(gods.Values()) != spew.Sprint(avl.Values()) {
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// if gods.String() != avl.String() && gods.Size() != 0 && avl.size != 0 {
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t.Error(src1)
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t.Error(src2)
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t.Error(avl.debugString())
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t.Error(gods.String())
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t.Error(l[i])
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// t.Error(avl.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 BenchmarkSkipListGet(b *testing.B) {
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sl := skiplist.New(skiplist.Int)
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l := loadTestData()
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b.N = len(l)
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for _, v := range l {
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sl.Set(v, v)
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}
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b.ResetTimer()
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b.StartTimer()
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execCount := 5
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b.N = len(l) * execCount
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for i := 0; i < execCount; i++ {
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for _, v := range l {
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e := sl.Get(v)
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var result [50]interface{}
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for i := 0; i < 50 && e != nil; i++ {
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result[i] = e.Value
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e = e.Next()
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}
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}
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}
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}
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func BenchmarkGetRange(b *testing.B) {
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tree := New(utils.IntComparator)
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l := loadTestData()
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b.N = len(l)
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for _, v := range l {
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tree.Put(v)
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}
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b.ResetTimer()
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b.StartTimer()
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execCount := 5
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b.N = len(l) * execCount
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for i := 0; i < execCount; i++ {
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for range l {
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tree.GetRange(i, i+49)
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}
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}
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}
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func BenchmarkSkipListSet(b *testing.B) {
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sl := skiplist.New(skiplist.Int)
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l := loadTestData()
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execCount := 50
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b.N = len(l) * execCount
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for i := 0; i < execCount; i++ {
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for _, v := range l {
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sl.Set(v, v)
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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(utils.IntComparator)
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l := loadTestData()
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b.N = len(l)
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for _, v := range l {
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tree.Put(v)
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}
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b.ResetTimer()
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b.StartTimer()
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iter := tree.Iterator()
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b.N = 0
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for iter.Next() {
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b.N++
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}
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for iter.Prev() {
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b.N++
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}
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for iter.Next() {
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b.N++
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}
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b.Log(b.N, len(l))
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}
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func BenchmarkRemove(b *testing.B) {
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tree := New(utils.IntComparator)
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l := loadTestData()
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b.N = len(l)
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for _, v := range l {
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tree.Put(v)
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}
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b.ResetTimer()
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b.StartTimer()
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for i := 0; i < len(l); i++ {
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tree.Remove(l[i])
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}
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}
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func BenchmarkGodsRemove(b *testing.B) {
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tree := avltree.NewWithIntComparator()
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l := loadTestData()
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b.N = len(l)
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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()
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for i := 0; i < len(l); i++ {
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tree.Remove(l[i])
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}
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}
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func BenchmarkGodsRBRemove(b *testing.B) {
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tree := redblacktree.NewWithIntComparator()
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l := loadTestData()
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b.N = len(l)
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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()
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for i := 0; i < len(l); i++ {
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tree.Remove(l[i])
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}
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}
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func BenchmarkGet(b *testing.B) {
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tree := New(utils.IntComparator)
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l := loadTestData()
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b.N = len(l)
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for i := 0; i < b.N; i++ {
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tree.Put(l[i])
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}
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b.ResetTimer()
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b.StartTimer()
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execCount := 50
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b.N = len(l) * execCount
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for i := 0; i < execCount; i++ {
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for _, v := range l {
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tree.Get(v)
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}
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}
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}
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func BenchmarkGodsRBGet(b *testing.B) {
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tree := redblacktree.NewWithIntComparator()
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l := loadTestData()
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b.N = len(l)
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for i := 0; i < b.N; i++ {
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tree.Put(l[i], i)
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}
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b.ResetTimer()
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b.StartTimer()
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execCount := 50
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b.N = len(l) * execCount
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for i := 0; i < execCount; i++ {
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for _, v := range l {
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tree.Get(v)
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}
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}
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}
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func BenchmarkGodsAvlGet(b *testing.B) {
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tree := avltree.NewWithIntComparator()
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l := loadTestData()
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b.N = len(l)
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for i := 0; i < b.N; i++ {
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tree.Put(l[i], i)
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}
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b.ResetTimer()
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b.StartTimer()
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execCount := 50
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b.N = len(l) * execCount
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for i := 0; i < execCount; i++ {
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for _, v := range l {
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tree.Get(v)
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}
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}
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}
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func BenchmarkPut(b *testing.B) {
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l := loadTestData()
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b.ResetTimer()
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b.StartTimer()
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execCount := 50
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b.N = len(l) * execCount
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for i := 0; i < execCount; i++ {
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avl := New(utils.IntComparator)
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for _, v := range l {
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avl.Put(v)
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}
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}
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}
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func TestPutStable(t *testing.T) {
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// l := []int{14, 18, 20, 21, 22, 23, 19}
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var l []int
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for i := 0; len(l) < 10; i++ {
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l = append(l, randomdata.Number(0, 65))
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}
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avl := New(utils.IntComparator)
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for _, v := range l {
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avl.Put(v)
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t.Error(avl.debugString(), v)
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}
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t.Error(avl.Values())
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for _, v := range []int{10, 0, 9, 5, -11, -10, -1, -5} {
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t.Error(avl.Index(v))
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}
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avl.RemoveIndex(4)
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t.Error(avl.Index(4))
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t.Error(avl.Values())
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t.Error(avl.debugString())
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// t.Error(len(l), avl.debugString(), "\n", "-----------") // 3 6(4)
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}
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func BenchmarkIndex(b *testing.B) {
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tree := New(utils.IntComparator)
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l := loadTestData()
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b.N = len(l)
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for i := 0; i < b.N; i++ {
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tree.Put(l[i])
|
|
}
|
|
|
|
b.ResetTimer()
|
|
b.StartTimer()
|
|
|
|
b.N = 1000000
|
|
|
|
var result [50]interface{}
|
|
for n := 0; n < b.N; n++ {
|
|
i := 0
|
|
tree.Traversal(func(v interface{}) bool {
|
|
result[i] = v
|
|
i++
|
|
if i < 50 {
|
|
return true
|
|
}
|
|
log.Print(i)
|
|
return false
|
|
})
|
|
}
|
|
}
|
|
|
|
func BenchmarkTraversal(b *testing.B) {
|
|
tree := New(utils.IntComparator)
|
|
|
|
l := loadTestData()
|
|
b.N = len(l)
|
|
for i := 0; i < b.N; i++ {
|
|
tree.Put(l[i])
|
|
}
|
|
|
|
b.ResetTimer()
|
|
b.StartTimer()
|
|
|
|
execCount := 50
|
|
b.N = len(l) * execCount
|
|
|
|
for n := 0; n < execCount; n++ {
|
|
i := 0
|
|
var result []interface{}
|
|
tree.Traversal(func(v interface{}) bool {
|
|
result = append(result, v)
|
|
i++
|
|
if i >= 50 {
|
|
return false
|
|
}
|
|
return true
|
|
})
|
|
|
|
}
|
|
}
|
|
|
|
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)
|
|
}
|
|
}
|