845 lines
16 KiB
Go
845 lines
16 KiB
Go
package vbtdup
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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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"sort"
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"testing"
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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/474420502/focus/compare"
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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 TestIteratorHeadTail(t *testing.T) {
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tree := New(compare.Int)
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l := []int{1, 7, 14, 14, 16, 17, 20, 30, 21, 40, 50, 3, 40, 40, 40, 15, 100}
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for _, v := range l {
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tree.Put(v)
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}
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iter := tree.Iterator()
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iter.ToHead() // 从小到大
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iter.Next()
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if iter.Value() != 1 {
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t.Error("value error", iter.Value())
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}
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iter.ToTail()
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iter.Prev()
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if iter.Value() != 100 {
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t.Error("value error", iter.Value())
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}
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for n := 0; n < 500; n++ {
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tree := New(compare.Int)
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var results []int
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for i := 0; i < 50; i++ {
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v := randomdata.Number(0, 5000)
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if ok := tree.Put(v); ok {
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results = append(results, v)
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}
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}
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result := tree.GetAround(5001)
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iter = tree.Iterator()
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iter.ToTail()
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iter.Prev()
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if iter.Value() != result[0] {
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t.Error("ToTail error", result, iter.Value())
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}
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result = tree.GetAround(-1)
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iter.ToHead()
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iter.Next()
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if iter.Value() != result[2] {
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t.Error("ToTail error", result, iter.Value())
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}
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}
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}
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func TestLargePushRemove(t *testing.T) {
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for n := 0; n < 10; n++ {
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tree := New(compare.Int)
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var results []int
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for i := 0; i < 50000; i++ {
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v := randomdata.Number(0, 100000000)
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if ok := tree.Put(v); ok {
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results = append(results, v)
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}
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}
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if tree.Size() != len(results) {
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t.Error("Szie error", tree.Size(), len(results))
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}
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for i := 0; i < len(results)-10; i++ {
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tree.Remove(results[i])
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}
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results = results[len(results)-10:]
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if tree.Size() != 10 {
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t.Error("Szie error")
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}
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sort.Slice(results, func(i, j int) bool {
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if results[i] < results[j] {
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return true
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}
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return false
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})
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if spew.Sprint(results) != spew.Sprint(tree.Values()) {
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t.Error("tree is error")
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}
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for i := 0; i < 10; i++ {
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v1 := results[i]
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v2, ok := tree.Index(i)
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if !ok {
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t.Error("not ok")
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}
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if v1 != v2 {
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t.Error("v1(", v1, ") != v2(", v2, ")??")
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}
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}
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tree.Clear()
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if tree.String() != "VBTree-Dup\nnil" {
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t.Error("tree String is error")
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}
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}
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}
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func TestRemoveIndex(t *testing.T) {
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tree := New(compare.Int)
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l := []int{7, 14, 14, 14, 16, 1, 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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// [1 7 14 14 14 15 16 40]
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var result string
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result = spew.Sprint(tree.Values())
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if result != "[1 7 14 15 16 40]" {
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t.Error("result = ", result, " should be [1 7 14 15 16 40]")
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}
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tree.RemoveIndex(3)
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result = spew.Sprint(tree.Values())
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if result != "[1 7 14 16 40]" {
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t.Error("result is error")
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}
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tree.RemoveIndex(-1)
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result = spew.Sprint(tree.Values())
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if result != "[1 7 14 16]" {
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t.Error("result is error")
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}
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tree.RemoveIndex(0)
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result = spew.Sprint(tree.Values())
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if result != "[7 14 16]" {
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t.Error("result is error")
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}
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if tree.Size() != 3 {
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t.Error("size is error")
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}
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for tree.Size() != 0 {
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tree.RemoveIndex(0)
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}
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if tree.root != nil {
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t.Error("tree roor is not error")
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}
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}
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func TestIndexRange(t *testing.T) {
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tree := New(compare.Int)
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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 15 16 17 20 21 30 40 50]
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// t.Error(tree.Values(), tree.Size())
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// t.Error(tree.debugString())
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var result string
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result = spew.Sprint(tree.IndexRange(0, 5))
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if result != "[3 7 14 15 16 17] true" {
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t.Error(result)
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}
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result = spew.Sprint(tree.IndexRange(2, 5))
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if result != "[14 15 16 17] true" {
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t.Error(result)
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}
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result = spew.Sprint(tree.IndexRange(5, 100))
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if result != "[17 20 21 30 40 50] false" {
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t.Error(result)
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}
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result = spew.Sprint(tree.IndexRange(10, 0)) // size = 11, index max = 10
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if result != "[50 40 30 21 20 17 16 15 14 7 3] true" {
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t.Error(result)
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}
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result = spew.Sprint(tree.IndexRange(11, 0)) // size = 11, index max = 10
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if result != "[50 40 30 21 20 17 16 15 14 7 3] false" {
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t.Error(result)
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}
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result = spew.Sprint(tree.IndexRange(4, 1)) // size = 11, index max = 10
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if result != "[16 15 14 7] true" {
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t.Error(result)
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}
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result = spew.Sprint(tree.IndexRange(-1, -5)) // size = 11, index max = 10
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if result != "[50 40 30 21 20] true" {
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t.Error(result)
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}
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result = spew.Sprint(tree.IndexRange(-1, -11)) // size = 11, index max = 0 - 10 (-1,-11)
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if result != "[50 40 30 21 20 17 16 15 14 7 3] true" {
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t.Error(result)
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}
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result = spew.Sprint(tree.IndexRange(-1, -12)) // size = 11, index max = 0 - 10 (-1,-11)
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if result != "[50 40 30 21 20 17 16 15 14 7 3] false" {
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t.Error(result)
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}
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result = spew.Sprint(tree.IndexRange(-5, -1)) // size = 11, index max = 0 - 10 (-1,-11)
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if result != "[20 21 30 40 50] true" {
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t.Error(result)
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}
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// [3 7 14 15 16 17 20 21 30 40 50]
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result = spew.Sprint(tree.IndexRange(-5, 5)) //
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if result != "[20 17] true" {
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t.Error(result)
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}
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result = spew.Sprint(tree.IndexRange(5, -5)) //
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if result != "[17 20] true" {
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t.Error(result)
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}
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result = spew.Sprint(tree.IndexRange(-1, 6)) //
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if result != "[50 40 30 21 20] 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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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)
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}
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var Result string
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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("17 is root, 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 50]" {
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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 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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// s1 := spew.Sprint(tree.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(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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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)
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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(1000) is not in tree, but is found", v)
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}
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}
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func TestDupGetRange(t *testing.T) {
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tree := New(compare.Int)
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for _, v := range []int{5, 10, 13, 5, 17, 1, 2, 10, 40, 30, 1} {
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tree.Put(v)
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}
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result := tree.GetRange(0, 20)
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if spew.Sprint(result) != "[1 2 5 10 13 17]" {
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t.Error(result)
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}
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result = tree.GetRange(0, 8)
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if spew.Sprint(result) != "[1 2 5]" {
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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) != "[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 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 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)
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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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}
|
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|
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func TestTravalsal(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)
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}
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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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|
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if spew.Sprint(result) != "[1 2 5 6 8 10 13 17 30 40]" {
|
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t.Error(result)
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}
|
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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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// 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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|
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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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|
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// for i := 0; i < 50; i++ {
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|
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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(tree.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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|
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// func TestRemove(t *testing.T) {
|
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|
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// ALL:
|
|
// for N := 0; N < 5000; N++ {
|
|
// tree := New(compare.Int)
|
|
// gods := avltree.NewWithIntComparator()
|
|
|
|
// var l []int
|
|
// m := make(map[int]int)
|
|
|
|
// for i := 0; len(l) < 20; i++ {
|
|
// v := randomdata.Number(0, 100)
|
|
// if _, ok := m[v]; !ok {
|
|
// l = append(l, v)
|
|
// m[v] = v
|
|
// tree.Put(v, v)
|
|
// gods.Put(v, v)
|
|
// }
|
|
// }
|
|
|
|
// src1 := tree.String()
|
|
// src2 := gods.String()
|
|
|
|
// for i := 0; i < 20; i++ {
|
|
// tree.Remove(l[i])
|
|
// gods.Remove(l[i])
|
|
// if tree.root != nil && spew.Sprint(gods.Values()) != spew.Sprint(tree.Values()) {
|
|
// t.Error(src1)
|
|
// t.Error(src2)
|
|
// t.Error(tree.debugString())
|
|
// t.Error(gods.String())
|
|
// t.Error(l[i])
|
|
// break ALL
|
|
// }
|
|
// }
|
|
// }
|
|
// }
|
|
|
|
// func BenchmarkGetRange(b *testing.B) {
|
|
|
|
// }
|
|
|
|
// func BenchmarkIndexRange(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()
|
|
|
|
// execCount := 5
|
|
// b.N = len(l) * execCount
|
|
|
|
// for i := 0; i < execCount; i++ {
|
|
// for range l {
|
|
// tree.IndexRange(i, i+49)
|
|
// }
|
|
// }
|
|
// }
|
|
|
|
// func BenchmarkSkipListGet(b *testing.B) {
|
|
// sl := skiplist.New(skiplist.Int)
|
|
// l := loadTestData()
|
|
// b.N = len(l)
|
|
|
|
// for _, v := range l {
|
|
// sl.Set(v, v)
|
|
// }
|
|
|
|
// b.ResetTimer()
|
|
// b.StartTimer()
|
|
|
|
// execCount := 5
|
|
// b.N = len(l) * execCount
|
|
|
|
// for i := 0; i < execCount; i++ {
|
|
// for _, v := range l {
|
|
// sl.Get(v)
|
|
// // e := sl.Get(v)
|
|
// // var result [50]interface{}
|
|
// // for i := 0; i < 50 && e != nil; i++ {
|
|
// // result[i] = e.Value
|
|
// // e = e.Next()
|
|
// // }
|
|
// }
|
|
// }
|
|
// }
|
|
|
|
// func BenchmarkSkipListSet(b *testing.B) {
|
|
|
|
// l := loadTestData()
|
|
// execCount := 1
|
|
// b.N = len(l) * execCount
|
|
// for i := 0; i < execCount; i++ {
|
|
// sl := skiplist.New(skiplist.Int)
|
|
// for _, v := range l {
|
|
// sl.Set(v, v)
|
|
// }
|
|
// }
|
|
// }
|
|
|
|
// func BenchmarkIterator(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()
|
|
// iter := tree.Iterator()
|
|
// b.N = 0
|
|
// for iter.Next() {
|
|
// b.N++
|
|
// }
|
|
// for iter.Prev() {
|
|
// b.N++
|
|
// }
|
|
// for iter.Next() {
|
|
// b.N++
|
|
// }
|
|
// b.Log(b.N, len(l))
|
|
// }
|
|
|
|
// 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], 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], 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 BenchmarkGodsAvlGet(b *testing.B) {
|
|
// tree := avltree.NewWithIntComparator()
|
|
|
|
// l := loadTestData()
|
|
// b.N = len(l)
|
|
// for i := 0; i < b.N; i++ {
|
|
// tree.Put(l[i], 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 BenchmarkPut(b *testing.B) {
|
|
// l := loadTestData()
|
|
|
|
// b.ResetTimer()
|
|
// b.StartTimer()
|
|
|
|
// execCount := 50
|
|
// b.N = len(l) * execCount
|
|
// for i := 0; i < execCount; i++ {
|
|
// tree := New(compare.Int)
|
|
// for _, v := range l {
|
|
// tree.Put(v, v)
|
|
// }
|
|
// }
|
|
// }
|
|
|
|
// func TestPutStable(t *testing.T) {
|
|
|
|
// }
|
|
|
|
// func BenchmarkGodsRBPut(b *testing.B) {
|
|
// l := loadTestData()
|
|
|
|
// b.ResetTimer()
|
|
// b.StartTimer()
|
|
|
|
// execCount := 50
|
|
// b.N = len(l) * execCount
|
|
// for i := 0; i < execCount; i++ {
|
|
// tree := redblacktree.NewWithIntComparator()
|
|
// 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)
|
|
// }
|
|
// }
|