454 lines
7.3 KiB
Go
454 lines
7.3 KiB
Go
package pqueue
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import (
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"testing"
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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 TestQueuePush(t *testing.T) {
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pq := New(compare.Int)
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for _, v := range []int{32, 10, 53, 78, 90, 1, 4} {
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pq.Push(v)
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if v, ok := pq.Top(); ok {
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} else {
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t.Error(v)
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}
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}
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if v, ok := pq.Top(); ok {
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if v != 90 {
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t.Error(v)
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}
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} else {
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t.Error(v)
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}
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}
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func TestQueuePop(t *testing.T) {
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pq := New(compare.Int)
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for _, v := range []int{32, 10, 53, 78, 90, 1, 4} {
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pq.Push(v)
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if v, ok := pq.Top(); ok {
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} else {
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t.Error(v)
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}
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}
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l := []int{90, 78, 53, 32, 10, 4, 1}
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for _, lv := range l {
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if v, ok := pq.Pop(); ok {
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if v != lv {
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t.Error(v)
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}
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} else {
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t.Error(v)
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}
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}
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if v, ok := pq.Pop(); ok {
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t.Error(v)
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}
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}
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func TestQueueGet(t *testing.T) {
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pq := New(compare.Int)
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l := []int{32, 10, 53, 78, 90, 1, 4}
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for _, v := range l {
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pq.Push(v)
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}
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if v, ok := pq.Get(0); ok {
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t.Error(v)
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}
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if v, ok := pq.Get(70); ok {
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t.Error(v)
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}
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for _, v := range l {
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if gv, ok := pq.Get(v); ok {
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if gv != v {
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t.Error("Get value is error, value is", gv)
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}
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}
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}
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}
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func TestQueueGetRange(t *testing.T) {
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pq := New(compare.Int)
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l := []int{32, 10, 53, 78, 90, 1, 4}
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for _, v := range l {
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pq.Push(v)
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}
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var result string
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result = spew.Sprint(pq.GetRange(10, 40))
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if result != "[10 32]" {
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t.Error(result)
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}
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result = spew.Sprint(pq.GetRange(1, 90))
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if result != "[1 4 10 32 53 78 90]" {
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t.Error(result)
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}
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result = spew.Sprint(pq.GetRange(0, 90))
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if result != "[1 4 10 32 53 78 90]" {
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t.Error(result)
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}
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result = spew.Sprint(pq.GetRange(1, 100))
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if result != "[1 4 10 32 53 78 90]" {
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t.Error(result)
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}
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result = spew.Sprint(pq.GetRange(5, 88))
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if result != "[10 32 53 78]" {
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t.Error(result)
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}
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}
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func TestQueueGetAround(t *testing.T) {
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pq := New(compare.Int)
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l := []int{32, 10, 53, 78, 90, 1, 4}
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for _, v := range l {
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pq.Push(v)
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}
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var result string
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result = spew.Sprint(pq.GetAround(53))
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if result != "[78 53 32]" {
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t.Error(result)
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}
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result = spew.Sprint(pq.GetAround(52))
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if result != "[53 <nil> 32]" {
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t.Error(result)
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}
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result = spew.Sprint(pq.GetAround(1))
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if result != "[4 1 <nil>]" {
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t.Error(result)
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}
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result = spew.Sprint(pq.GetAround(90))
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if result != "[<nil> 90 78]" {
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t.Error(result)
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}
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result = spew.Sprint(pq.GetAround(0))
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if result != "[1 <nil> <nil>]" {
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t.Error(result)
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}
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result = spew.Sprint(pq.GetAround(100))
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if result != "[<nil> <nil> 90]" {
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t.Error(result)
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}
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}
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func TestQueueRemove(t *testing.T) {
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pq := New(compare.Int)
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l := []int{32, 10, 53, 78, 90, 1, 4}
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for _, v := range l {
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pq.Push(v)
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}
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content := ""
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for _, v := range l {
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pq.Remove(v)
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content += spew.Sprint(pq.Values())
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}
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if content != "[90 78 53 10 4 1][90 78 53 4 1][90 78 4 1][90 4 1][4 1][4][]" {
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t.Error(content)
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}
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}
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func TestQueueRemoveNode(t *testing.T) {
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pq := New(compare.Int)
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l := []int{32, 10, 53, 78, 90, 1, 4}
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for _, v := range l {
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pq.Push(v)
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}
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content := ""
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for _, v := range l {
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if n, ok := pq.GetNode(v); ok {
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pq.RemoveNode(n)
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content += spew.Sprint(pq.Values())
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} else {
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t.Error("can not get Node: ", v)
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}
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}
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if content != "[90 78 53 10 4 1][90 78 53 4 1][90 78 4 1][90 4 1][4 1][4][]" {
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t.Error(content)
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}
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}
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func TestQueueRemoveIndex(t *testing.T) {
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pq := New(compare.Int)
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l := []int{32, 10, 53, 78, 90, 1, 4}
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for _, v := range l {
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pq.Push(v)
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}
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content := ""
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for range l {
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pq.RemoveIndex(0)
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content += spew.Sprint(pq.Values())
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}
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if content != "[78 53 32 10 4 1][53 32 10 4 1][32 10 4 1][10 4 1][4 1][1][]" {
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t.Error(content)
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}
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if n, ok := pq.RemoveIndex(0); ok {
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t.Error("pq is not exist elements", n)
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}
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}
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func TestQueueIndex(t *testing.T) {
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pq := New(compare.Int)
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for _, v := range []int{32, 10, 53, 78, 90, 1, 4} {
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pq.Push(v)
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}
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l := []int{90, 78, 53, 32, 10, 4, 1}
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for i, lv := range l {
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if v, ok := pq.Index(len(l) - i - 1); ok {
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if v != l[len(l)-i-1] {
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t.Error(v)
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}
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} else {
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t.Error(i, "index is not exist")
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}
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if v, ok := pq.Index(i); ok {
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if v != lv {
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t.Error(v)
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}
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} else {
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t.Error(i, "index is not exist")
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}
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}
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if v, ok := pq.Index(-1); ok {
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if v != 1 {
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t.Error(v)
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}
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} else {
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t.Error("-1 index is not exist")
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}
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if v, ok := pq.Index(pq.Size()); ok {
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t.Error("index is exits", pq.Size(), v)
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}
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if v, ok := pq.Index(pq.Size() - 1); !ok {
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if v != 1 {
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t.Error("the last value is 1 not is ", v)
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}
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}
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if v, ok := pq.Index(-10); ok {
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t.Error("-10 index is exits", v)
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}
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}
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func TestPriorityQueue_Iterator(t *testing.T) {
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pq := New(compare.Int)
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for i := 0; i < 5; i++ {
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pq.Push(i)
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}
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pq.Push(-1)
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pq.Push(10)
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result := pq.String()
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if result != "[10 4 3 2 1 0 -1]" {
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t.Error("should be [10 4 3 2 1 0 -1]")
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}
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iter := pq.Iterator()
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iter.ToHead()
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values := pq.Values()
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for i := 0; ; i++ {
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if values[i] != iter.Value() {
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t.Error(values[i], " != ", iter.Value())
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}
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if !iter.Prev() {
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break
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}
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}
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}
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func TestPriorityQueue_Iterator2(t *testing.T) {
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pq := New(compare.Int)
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for i := 0; i < 5; i++ {
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pq.Push(i)
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}
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iter := pq.Iterator()
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iter.ToHead()
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n, _ := pq.IndexNode(0)
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if n.value != 4 {
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t.Error(n)
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}
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if v, _ := pq.Top(); v != 4 {
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t.Error("Top != 4, and is ", v)
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}
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if v := iter.GetNext(n, 2).value; v != 2 {
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t.Error("iter.GetNext(n, 2) != 2, and is ", v)
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}
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pq = New(compare.Int)
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for i := 100; i >= 0; i-- {
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pq.Push(i)
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}
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if v, _ := pq.Top(); v != 100 {
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t.Error("Top != 100, and is ", v)
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}
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for pq.Size() >= 50 {
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pq.Pop()
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}
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if v, _ := pq.Top(); v != 48 {
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t.Error("Top != 48, and is ", v)
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}
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pq = New(compare.Int)
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for i := 0; i < 100; i++ {
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pq.Push(i)
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}
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if v, _ := pq.Top(); v != 99 {
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t.Error("Top != 99, and is ", v)
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}
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for pq.Size() >= 50 {
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pq.Pop()
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}
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if v, _ := pq.Top(); v != 48 {
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t.Error("Top != 49, and is ", v)
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}
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}
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// func BenchmarkQueueGet(b *testing.B) {
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// l := loadTestData()
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// pq := New(compare.Int)
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// for _, v := range l {
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// pq.Push(v)
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// }
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// execCount := 5
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// b.N = len(l) * execCount
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// b.ResetTimer()
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// b.StartTimer()
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// ALL:
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// for i := 0; i < execCount; i++ {
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// for _, v := range l {
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// if gv, ok := pq.Get(v); !ok {
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// b.Error(gv)
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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 BenchmarkQueueRemove(b *testing.B) {
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// l := loadTestData()
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// pq := New(compare.Int)
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// for _, v := range l {
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// pq.Push(v)
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// }
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// b.N = len(l)
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// b.ResetTimer()
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// b.StartTimer()
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// for _, v := range l {
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// pq.Remove(v)
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// }
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// }
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// func BenchmarkQueueIndex(b *testing.B) {
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// l := loadTestData()
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// pq := New(compare.Int)
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// for _, v := range l {
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// pq.Push(v)
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// }
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// execCount := 2
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// b.N = len(l) * execCount
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// b.ResetTimer()
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// b.StartTimer()
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// ALL:
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// for i := 0; i < execCount; i++ {
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// for idx := range l {
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// if v, ok := pq.Index(idx); !ok {
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// b.Error(v)
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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 BenchmarkPriorityPush(b *testing.B) {
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// l := loadTestData()
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// execCount := 5
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// b.N = len(l) * execCount
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// b.ResetTimer()
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// b.StartTimer()
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// for i := 0; i < execCount; i++ {
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// pq := New(compare.Int)
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// for _, v := range l {
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// pq.Push(v)
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// }
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// }
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// }
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// func BenchmarkPriorityPop(b *testing.B) {
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// l := loadTestData()
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// pq := New(compare.Int)
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// for _, v := range l {
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// pq.Push(v)
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// }
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// b.N = len(l)
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// b.ResetTimer()
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// b.StartTimer()
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// for i := 0; i < b.N; i++ {
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// pq.Pop()
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// }
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// }
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