mirror of
https://github.com/tailscale/tailscale.git
synced 2025-11-04 10:11:18 +01:00
38a1cf748a
This is a useful primitive for asynchronous execution of ordered work I want to use in another change. Updates tailscale/corp#16833 Signed-off-by: James Tucker <james@tailscale.com>
23 lines
384 B
Go
23 lines
384 B
Go
// Copyright (c) Tailscale Inc & AUTHORS
|
|
// SPDX-License-Identifier: BSD-3-Clause
|
|
|
|
package execqueue
|
|
|
|
import (
|
|
"context"
|
|
"sync/atomic"
|
|
"testing"
|
|
)
|
|
|
|
func TestExecQueue(t *testing.T) {
|
|
ctx := context.Background()
|
|
var n atomic.Int32
|
|
q := &ExecQueue{}
|
|
defer q.Shutdown()
|
|
q.Add(func() { n.Add(1) })
|
|
q.Wait(ctx)
|
|
if got := n.Load(); got != 1 {
|
|
t.Errorf("n=%d; want 1", got)
|
|
}
|
|
}
|