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@ -2989,15 +2989,16 @@ func TestBinarySearch(t *testing.T) {
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msgSrc.Compress = true
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msgSrc.Compress = true
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msgSrc.SetQuestion("redis.service.consul.", dns.TypeSRV)
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msgSrc.SetQuestion("redis.service.consul.", dns.TypeSRV)
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for i := 0; i < 50; i++ {
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for i := 0; i < 5000; i++ {
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target := fmt.Sprintf("host-redis-%d-%d.test.acme.com.node.dc1.consul.", i/256, i%256)
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target := fmt.Sprintf("host-redis-%d-%d.test.acme.com.node.dc1.consul.", i/256, i%256)
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msgSrc.Answer = append(msgSrc.Answer, &dns.SRV{Hdr: dns.RR_Header{Name: "redis.service.consul.", Class: 1, Rrtype: dns.TypeSRV, Ttl: 0x3c}, Port: 0x4c57, Target: target})
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msgSrc.Answer = append(msgSrc.Answer, &dns.SRV{Hdr: dns.RR_Header{Name: "redis.service.consul.", Class: 1, Rrtype: dns.TypeSRV, Ttl: 0x3c}, Port: 0x4c57, Target: target})
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msgSrc.Extra = append(msgSrc.Extra, &dns.CNAME{Hdr: dns.RR_Header{Name: target, Class: 1, Rrtype: dns.TypeCNAME, Ttl: 0x3c}, Target: fmt.Sprintf("fx.168.%d.%d.", i/256, i%256)})
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msgSrc.Extra = append(msgSrc.Extra, &dns.CNAME{Hdr: dns.RR_Header{Name: target, Class: 1, Rrtype: dns.TypeCNAME, Ttl: 0x3c}, Target: fmt.Sprintf("fx.168.%d.%d.", i/256, i%256)})
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}
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}
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for _, compress := range []bool{true, false} {
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for idx, maxSize := range []int{12, 256, 512, 8192, 65535} {
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for idx, maxSize := range []int{12, 256, 512, 8192, 65535} {
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t.Run(fmt.Sprintf("binarySearch %d", maxSize), func(t *testing.T) {
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t.Run(fmt.Sprintf("binarySearch %d", maxSize), func(t *testing.T) {
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msg := new(dns.Msg)
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msg := new(dns.Msg)
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msgSrc.Compress = true
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msgSrc.Compress = compress
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msgSrc.SetQuestion("redis.service.consul.", dns.TypeSRV)
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msgSrc.SetQuestion("redis.service.consul.", dns.TypeSRV)
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msg.Answer = msgSrc.Answer
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msg.Answer = msgSrc.Answer
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msg.Extra = msgSrc.Extra
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msg.Extra = msgSrc.Extra
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@ -3014,11 +3015,12 @@ func TestBinarySearch(t *testing.T) {
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if predicted < len(buf) {
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if predicted < len(buf) {
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t.Fatalf("Bug in DNS library: %d != %d", predicted, len(buf))
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t.Fatalf("Bug in DNS library: %d != %d", predicted, len(buf))
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}
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}
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if len(buf) > maxSize || (idx != 0 && len(buf) < 16) || (maxSize == 65535 && blen != 50) {
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if len(buf) > maxSize || (idx != 0 && len(buf) < 16) {
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t.Fatalf("bad[%d]: %d > %d", idx, len(buf), maxSize)
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t.Fatalf("bad[%d]: %d > %d", idx, len(buf), maxSize)
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}
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}
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})
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})
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}
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}
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}
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}
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}
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func TestDNS_TCP_and_UDP_Truncate(t *testing.T) {
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func TestDNS_TCP_and_UDP_Truncate(t *testing.T) {
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@ -3095,9 +3097,8 @@ func TestDNS_TCP_and_UDP_Truncate(t *testing.T) {
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if err != nil && err != dns.ErrTruncated {
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if err != nil && err != dns.ErrTruncated {
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t.Fatalf("err: %v", err)
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t.Fatalf("err: %v", err)
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}
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}
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// Check for the truncate bit
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// Check for the truncate bit
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shouldBeTruncated := numServices > 4095
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shouldBeTruncated := numServices > 5000
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if shouldBeTruncated != in.Truncated || len(in.Answer) > 2000 || len(in.Answer) < 1 || in.Len() > 65535 {
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if shouldBeTruncated != in.Truncated || len(in.Answer) > 2000 || len(in.Answer) < 1 || in.Len() > 65535 {
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info := fmt.Sprintf("service %s question:=%s (%s) (%d total records) sz:= %d in %v",
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info := fmt.Sprintf("service %s question:=%s (%s) (%d total records) sz:= %d in %v",
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