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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
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// SPDX-License-Identifier: BSD-3-Clause
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package execqueue
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import (
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"context"
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"sync/atomic"
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"testing"
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)
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func TestExecQueue(t *testing.T) {
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ctx := context.Background()
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var n atomic.Int32
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q := &ExecQueue{}
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defer q.Shutdown()
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q.Add(func() { n.Add(1) })
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q.Wait(ctx)
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if got := n.Load(); got != 1 {
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t.Errorf("n=%d; want 1", got)
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}
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}
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