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package reuseport
import (
"net"
"testing"
)
func TestTCP4(t *testing.T) {
t.Parallel()
testNewListener(t, "tcp4", "localhost:10081")
}
func TestTCP6(t *testing.T) {
t.Parallel()
// Run this test only if tcp6 interface exists.
if hasLocalIPv6(t) {
testNewListener(t, "tcp6", "[::1]:10082")
}
}
func hasLocalIPv6(t *testing.T) bool {
addrs, err := net.InterfaceAddrs()
if err != nil {
t.Fatalf("cannot obtain local interfaces: %v", err)
}
for _, a := range addrs {
if a.String() == "::1/128" {
return true
}
}
return false
}
func testNewListener(t *testing.T, network, addr string) {
ln1, err := Listen(network, addr)
if err != nil {
t.Fatalf("cannot create listener %v", err)
}
ln2, err := Listen(network, addr)
if err != nil {
t.Fatalf("cannot create listener %v", err)
}
_ = ln1.Close()
_ = ln2.Close()
}
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