昔念
b6e90cf7f5
- 重写了 Test_event 测试函数，移除了未使用的测试代码 - 新增了基于 Task 结构的事件处理逻辑 - 实现了任务计数和完成状态的更新 - 添加了事件发布和订阅的示例代码
163 lines
3.4 KiB
Go
163 lines
3.4 KiB
Go
package utils
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import (
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"fmt"
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"math"
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"testing"
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"github.com/badu/bus"
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)
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func Test_fastSqrt(t *testing.T) {
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// 测试用例
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testCases := []float64{2, 4, 10, 16, 25, 100, 1000, 0.5, 0.01, 1e-20}
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fmt.Println("测试卡马克快速平方根算法与标准库的对比：")
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fmt.Println("数值\t快速算法结果\t标准库结果\t绝对误差")
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fmt.Println("--------------------------------------------------------------")
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for _, x := range testCases {
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fastResult := fastSqrt(x)
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stdResult := math.Sqrt(x)
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error := math.Abs(fastResult - stdResult)
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fmt.Printf("%.10g\t%.10g\t\t%.10g\t\t%.2e\n",
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x, fastResult, stdResult, error)
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}
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// 测试整数版本
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fmt.Println("\n测试整数快速平方根算法：")
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fmt.Println("数值\t快速算法结果\t标准库转换结果")
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fmt.Println("--------------------------------------")
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for _, x := range []int{2, 4, 10, 16, 25, 100, 1000} {
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fastResult := fastSqrtInt(x)
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stdResult := int(math.Sqrt(float64(x)))
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fmt.Printf("%d\t%d\t\t%d\n", x, fastResult, stdResult)
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}
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}
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func BenchmarkMathSqrt(b *testing.B) {
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testValues := []float64{2, 4, 10, 16, 25, 100, 1000, 0.5, 0.01, 1e-20}
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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for _, x := range testValues {
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_ = math.Sqrt(x)
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}
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}
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}
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func BenchmarkFastSqrt(b *testing.B) {
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testValues := []float64{2, 4, 10, 16, 25, 100, 1000, 0.5, 0.01, 1e-20}
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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for _, x := range testValues {
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_ = fastSqrt(x)
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}
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}
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}
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func BenchmarkFastSqrtCarmack(b *testing.B) {
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testValues := []float64{2, 4, 10, 16, 25, 100, 1000, 0.5, 0.01, 1e-20}
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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for _, x := range testValues {
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_ = fastSqrtCarmack(x)
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}
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}
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}
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func BenchmarkMathSqrtInt(b *testing.B) {
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testValues := []int{2, 4, 10, 16, 25, 100, 1000, 10000, 100000}
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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for _, x := range testValues {
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_ = int(math.Sqrt(float64(x)))
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}
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}
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}
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func BenchmarkFastSqrtInt(b *testing.B) {
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testValues := []int{2, 4, 10, 16, 25, 100, 1000, 10000, 100000}
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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for _, x := range testValues {
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_ = fastSqrtInt(x)
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}
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}
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}
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func Test_event(b *testing.T) {
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tt := make(map[int]*bus.Listener[*Task], 3)
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topic := bus.NewTopic[*Task]() //直接注册到用户
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for i := 0; i < 1; i++ {
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t := topic.Sub(func(v *Task) { //注册里程碑
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fmt.Println(v.id)
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if v.cfunc != nil {
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v.cont = v.cfunc(v.cont) //增加计数
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}
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if v.cont > 0 { //如果计数达到,标记任务完成
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v.done = true
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}
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fmt.Println("当前任务计数", v.cont, "是否完成", v.done)
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})
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tt[i] = t
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}
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topic.Pub(&Task{id: 1, cfunc: func(t uint32) uint32 { //满足任务1后推定
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fmt.Println("当前任务计数", t)
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//实现自定义逻辑
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//增加用户计数
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//增加服务器总计数
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return t + 1
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}})
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topic.Pub(&Task{id: 2, done: true})
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for _, v := range tt {
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v.Cancel()
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}
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topic.Pub(&Task{id: 1}) //发送事件
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}
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// Various event types
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const EventA = 0x01
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type Task struct {
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id uint32
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cfunc func(uint32) uint32
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cont uint32
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done bool
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}
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// Event type for testing purposes
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type Event struct {
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Data string
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type1 uint32
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}
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// Type returns the event type
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func (ev Event) Type() uint32 {
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return ev.type1
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}
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// newEventA creates a new instance of an event
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func newEventA(data string) Event {
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return Event{Data: data, type1: EventA}
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}
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// Various event types
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const EventB1 = 0x02
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func newEventB(data string) Event {
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return Event{Data: data, type1: EventB1}
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}
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