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reset.go
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reset.go
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package main
import (
"fmt"
"log"
"time"
)
func main() {
log.Println("✔︎ resetBeforeFired")
resetBeforeFired()
fmt.Println()
log.Println("✘ wrongResetAfterFired")
wrongResetAfterFired()
fmt.Println()
log.Println("✔︎ correctResetAfterFired")
correctResetAfterFired()
fmt.Println()
log.Println("✔︎ stop n times")
stopMore()
fmt.Println()
log.Println("✘ stop n times but with drain")
wrongStopMore()
fmt.Println()
log.Println("✘ too many receiving")
wrongReceiveMore()
}
func resetBeforeFired() {
timer := time.NewTimer(5 * time.Second)
b := timer.Stop()
log.Printf("stop: %t", b)
timer.Reset(10 * time.Second)
t := <-timer.C
log.Printf("fired at %s", t.String())
}
func wrongResetAfterFired() {
timer := time.NewTimer(5 * time.Millisecond)
time.Sleep(time.Second)
b := timer.Stop()
log.Printf("stop: %t", b)
timer.Reset(10 * time.Second)
t := <-timer.C
log.Printf("fired at %s", t.String())
}
func correctResetAfterFired() {
timer := time.NewTimer(5 * time.Millisecond)
time.Sleep(time.Second)
b := timer.Stop()
log.Printf("stop: %t", b)
if !b {
<-timer.C
}
log.Printf("reset")
timer.Reset(10 * time.Second)
t := <-timer.C
log.Printf("fired at %s", t.String())
}
func wrongReceiveMore() {
timer := time.NewTimer(5 * time.Millisecond)
t := <-timer.C
log.Printf("fired at %s", t.String())
t = <-timer.C
log.Printf("receive again at %s", t.String())
}
func stopMore() {
timer := time.NewTimer(5 * time.Millisecond)
b := timer.Stop()
log.Printf("stop: %t", b)
time.Sleep(time.Second)
b = timer.Stop()
log.Printf("stop more: %t", b)
}
func wrongStopMore() {
timer := time.NewTimer(5 * time.Millisecond)
b := timer.Stop()
log.Printf("stop: %t", b)
time.Sleep(time.Second)
b = timer.Stop()
if !b {
<-timer.C
}
log.Printf("stop more: %t", b)
}