Gecko [ 167.86.127.34 ]

Name	Size	Permission
example_test.go	19.38 KB	-rw-r--r--
export_android_test.go	318 B	-rw-r--r--
export_test.go	3.07 KB	-rw-r--r--
export_windows_test.go	514 B	-rw-r--r--
format.go	41.67 KB	-rw-r--r--
format_test.go	25.38 KB	-rw-r--r--
genzabbrs.go	2.96 KB	-rw-r--r--
internal_test.go	2.45 KB	-rw-r--r--
mono_test.go	7.51 KB	-rw-r--r--
sleep.go	5.08 KB	-rw-r--r--
sleep_test.go	10.73 KB	-rw-r--r--
sys_plan9.go	1015 B	-rw-r--r--
sys_unix.go	1.05 KB	-rw-r--r--
sys_windows.go	996 B	-rw-r--r--
tick.go	1.8 KB	-rw-r--r--
tick_test.go	2.59 KB	-rw-r--r--
time.go	45.56 KB	-rw-r--r--
time_test.go	41.05 KB	-rw-r--r--
zoneinfo.go	8.79 KB	-rw-r--r--
zoneinfo_abbrs_windows.go	10.34 KB	-rw-r--r--
zoneinfo_android.go	2.05 KB	-rw-r--r--
zoneinfo_android_test.go	408 B	-rw-r--r--
zoneinfo_ios.go	1.02 KB	-rw-r--r--
zoneinfo_js.go	1.56 KB	-rw-r--r--
zoneinfo_plan9.go	2.71 KB	-rw-r--r--
zoneinfo_read.go	12.2 KB	-rw-r--r--
zoneinfo_test.go	4.59 KB	-rw-r--r--
zoneinfo_unix.go	1.31 KB	-rw-r--r--
zoneinfo_windows.go	6.68 KB	-rw-r--r--
zoneinfo_windows_test.go	1.9 KB	-rw-r--r--

Code Editor : tick_test.go

// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package time_test

import (
	"fmt"
	"runtime"
	"testing"
	. "time"
)

func TestTicker(t *testing.T) {
	// We want to test that a ticker takes as much time as expected.
	// Since we don't want the test to run for too long, we don't
	// want to use lengthy times. This makes the test inherently flaky.
	// So only report an error if it fails five times in a row.

count := 10
	delta := 20 * Millisecond

// On Darwin ARM64 the tick frequency seems limited. Issue 35692.
	if runtime.GOOS == "darwin" && runtime.GOARCH == "arm64" {
		count = 5
		delta = 100 * Millisecond
	}

var errs []string
	logErrs := func() {
		for _, e := range errs {
			t.Log(e)
		}
	}

for i := 0; i < 5; i++ {
		ticker := NewTicker(delta)
		t0 := Now()
		for i := 0; i < count; i++ {
			<-ticker.C
		}
		ticker.Stop()
		t1 := Now()
		dt := t1.Sub(t0)
		target := delta * Duration(count)
		slop := target * 2 / 10
		if dt < target-slop || dt > target+slop {
			errs = append(errs, fmt.Sprintf("%d %s ticks took %s, expected [%s,%s]", count, delta, dt, target-slop, target+slop))
			continue
		}
		// Now test that the ticker stopped.
		Sleep(2 * delta)
		select {
		case <-ticker.C:
			errs = append(errs, "Ticker did not shut down")
			continue
		default:
			// ok
		}

// Test passed, so all done.
		if len(errs) > 0 {
			t.Logf("saw %d errors, ignoring to avoid flakiness", len(errs))
			logErrs()
		}

return
	}

t.Errorf("saw %d errors", len(errs))
	logErrs()
}

// Issue 21874
func TestTickerStopWithDirectInitialization(t *testing.T) {
	c := make(chan Time)
	tk := &Ticker{C: c}
	tk.Stop()
}

// Test that a bug tearing down a ticker has been fixed. This routine should not deadlock.
func TestTeardown(t *testing.T) {
	Delta := 100 * Millisecond
	if testing.Short() {
		Delta = 20 * Millisecond
	}
	for i := 0; i < 3; i++ {
		ticker := NewTicker(Delta)
		<-ticker.C
		ticker.Stop()
	}
}

// Test the Tick convenience wrapper.
func TestTick(t *testing.T) {
	// Test that giving a negative duration returns nil.
	if got := Tick(-1); got != nil {
		t.Errorf("Tick(-1) = %v; want nil", got)
	}
}

// Test that NewTicker panics when given a duration less than zero.
func TestNewTickerLtZeroDuration(t *testing.T) {
	defer func() {
		if err := recover(); err == nil {
			t.Errorf("NewTicker(-1) should have panicked")
		}
	}()
	NewTicker(-1)
}

func BenchmarkTicker(b *testing.B) {
	benchmark(b, func(n int) {
		ticker := NewTicker(Nanosecond)
		for i := 0; i < n; i++ {
			<-ticker.C
		}
		ticker.Stop()
	})
}

${this.title}

Code Editor : tick_test.go