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3eb13868f2
ref https://github.com/golang/go/issues/8877 ref https://github.com/v2ray/v2ray-core/issues/1909
29 lines
558 B
Go
29 lines
558 B
Go
package conf
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import (
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"context"
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"net"
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"testing"
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)
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func TestBootstrapDNS(t *testing.T) {
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const (
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defaultNS = "8.8.8.8:53"
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domain = "github.com"
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)
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var dialer net.Dialer
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net.DefaultResolver = &net.Resolver{
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PreferGo: true,
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Dial: func(context context.Context, network, address string) (net.Conn, error) {
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conn, err := dialer.DialContext(context, "udp", defaultNS)
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if err != nil {
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return nil, err
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}
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return conn, nil
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},
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}
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if ips, err := net.LookupIP(domain); len(ips) == 0 {
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t.Error("set BootstrapDNS failed: ", err)
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}
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}
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