INNER CODE UNIT · Go

halfCloseIdleTimeout

docker/compose · relay/main_test.go:109

	halfCloseIdleTimeout = 200 * time.Millisecond
	t.Cleanup(func() { halfCloseIdleTimeout = restore })

	upstream := silentUpstream(t)
	client, server := tcpPair(t)
	t.Cleanup(func() { _ = client.Close() })

	finished := make(chan struct{})
	go func() {
		forward(server, upstream.Addr().String())
		close(finished)
	}()

	if _, err := client.Write([]byte("request")); err != nil {
		t.Fatal(err)
	}
	_ = client.Close() // downstream fully gone: down->up finishes, up->down survives

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