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// Copyright 2020 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 net
import (
"internal/syscall/unix"
"testing"
)
func TestMaxAckBacklog(t *testing.T) {
n := 196602
major, minor := unix.KernelVersion()
backlog := maxAckBacklog(n)
expected := 1<<16 - 1
if major > 4 || (major == 4 && minor >= 1) {
expected = n
}
if backlog != expected {
t.Fatalf(`Kernel version: "%d.%d", sk_max_ack_backlog mismatch, got %d, want %d`, major, minor, backlog, expected)
}
}
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