public void testCollisionsDueToIncorrectSignExtension() {
    byte[] col1 = new byte[] {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, (byte) 0x80};
    byte[] col2 = new byte[] {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, (byte) 0x81};
    byte[] col3 = new byte[] {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, (byte) 0xff};

    ImmutableSet<HashCode> hashCodes =
        ImmutableSet.of(

  public void testCollisionsDueToIncorrectSignExtension() {
    byte[] col1 = new byte[] {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, (byte) 0x80};
    byte[] col2 = new byte[] {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, (byte) 0x81};
    byte[] col3 = new byte[] {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, (byte) 0xff};

    ImmutableSet<HashCode> hashCodes =
        ImmutableSet.of(

        "custom-header",
      )
    bytesIn.writeByte(0x40) // Literal indexed
    bytesIn.writeByte(0x0a) // Literal name (len = 10)
    bytesIn.writeUtf8("custom-foo")
    bytesIn.writeByte(0x0d) // Literal value (len = 13)
    bytesIn.writeUtf8("custom-header")
    bytesIn.writeByte(0x40) // Literal indexed
    bytesIn.writeByte(0x0a) // Literal name (len = 10)
    bytesIn.writeUtf8("custom-bar")

		err = msgp.WrapError(err, "Source")
		return
	}
	// write "Group"
	err = en.Append(0xa5, 0x47, 0x72, 0x6f, 0x75, 0x70)
	if err != nil {
		return
	}
	err = en.WriteBool(z.Group)
	if err != nil {
		err = msgp.WrapError(err, "Group")
		return
	}
	// write "Owner"
	err = en.Append(0xa5, 0x4f, 0x77, 0x6e, 0x65, 0x72)
	if err != nil {
		return
	}
	err = en.WriteString(z.Owner)

	// map header, size 2
	// string "Count"
	o = append(o, 0x82, 0xa5, 0x43, 0x6f, 0x75, 0x6e, 0x74)
	o = msgp.AppendFloat64(o, z.Curr.Count)
	// string "Bytes"
	o = append(o, 0xa5, 0x42, 0x79, 0x74, 0x65, 0x73)
	o = msgp.AppendFloat64(o, z.Curr.Bytes)
	// string "aq"
	o = append(o, 0xa2, 0x61, 0x71)
	// map header, size 2
	// string "Count"
	o = append(o, 0x82, 0xa5, 0x43, 0x6f, 0x75, 0x6e, 0x74)

	err = en.Append(0x82, 0xa3, 0x4b, 0x65, 0x79)
	if err != nil {
		return
	}
	err = en.WriteString(z.Key)
	if err != nil {
		err = msgp.WrapError(err, "Key")
		return
	}
	// write "Value"
	err = en.Append(0xa5, 0x56, 0x61, 0x6c, 0x75, 0x65)
	if err != nil {
		return
	}
	err = en.WriteString(z.Value)
	if err != nil {
		err = msgp.WrapError(err, "Value")
		return
	}
	return
}

            "016.016.016.016",
            "016.016.016",
            "016.016",
            "016",
            "000.000.000.000",
            "000",
            "0x0a.0x0a.0x0a.0x0a",
            "0x0a.0x0a.0x0a",
            "0x0a.0x0a",
            "0x0a",
            "42.42.42.42.42",
            "42.42.42",
            "42.42",
            "42",
            "42..42.42",
            "42..42.42.42",

		err = msgp.WrapError(err, "NotificationCfg")
		return
	}
	// write "Retry"
	err = en.Append(0xa5, 0x52, 0x65, 0x74, 0x72, 0x79)
	if err != nil {
		return
	}
	err = z.Retry.EncodeMsg(en)
	if err != nil {
		err = msgp.WrapError(err, "Retry")
		return
	}
	// write "Rules"
	err = en.Append(0xa5, 0x52, 0x75, 0x6c, 0x65, 0x73)
	if err != nil {
		return
	}

				return
			}
		}
	}
	return
}

// EncodeMsg implements msgp.Encodable
func (z *TierConfigMgr) EncodeMsg(en *msgp.Writer) (err error) {
	// map header, size 1
	// write "Tiers"
	err = en.Append(0x81, 0xa5, 0x54, 0x69, 0x65, 0x72, 0x73)
	if err != nil {
		return
	}
	err = en.WriteMapHeader(uint32(len(z.Tiers)))
	if err != nil {
		err = msgp.WrapError(err, "Tiers")
		return
	}

	if err != nil {
		return
	}
	err = z.Notify.EncodeMsg(en)
	if err != nil {
		err = msgp.WrapError(err, "Notify")
		return
	}
	// write "Retry"
	err = en.Append(0xa5, 0x52, 0x65, 0x74, 0x72, 0x79)
	if err != nil {
		return
	}
	err = z.Retry.EncodeMsg(en)
	if err != nil {
		err = msgp.WrapError(err, "Retry")
		return
	}
	return
}