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")

			return
		}
	}
	// string "Size"
	o = append(o, 0xa4, 0x53, 0x69, 0x7a, 0x65)
	o, err = z.Size.MarshalMsg(o)
	if err != nil {
		err = msgp.WrapError(err, "Size")
		return
	}
	// string "Type"
	o = append(o, 0xa4, 0x54, 0x79, 0x70, 0x65)
	o = msgp.AppendString(o, z.Type)
	// string "Name"
	o = append(o, 0xa4, 0x4e, 0x61, 0x6d, 0x65)
	o = msgp.AppendString(o, z.Name)
	// string "Purge"

            "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",

	o = msgp.Require(b, z.Msgsize())
	// map header, size 5
	// string "Size"
	o = append(o, 0x85, 0xa4, 0x53, 0x69, 0x7a, 0x65)
	o = msgp.AppendInt64(o, z.Size)
	// string "ModTime"
	o = append(o, 0xa7, 0x4d, 0x6f, 0x64, 0x54, 0x69, 0x6d, 0x65)
	o = msgp.AppendTime(o, z.ModTime)
	// string "Name"
	o = append(o, 0xa4, 0x4e, 0x61, 0x6d, 0x65)
	o = msgp.AppendString(o, z.Name)
	// string "Dir"

		return
	}
	for zb0007, zb0008 := range z {
		err = en.WriteString(zb0007)
		if err != nil {
			err = msgp.WrapError(err)
			return
		}
		// map header, size 2
		// write "Bins"
		err = en.Append(0x82, 0xa4, 0x42, 0x69, 0x6e, 0x73)
		if err != nil {
			return
		}
		err = en.WriteArrayHeader(uint32(24))
		if err != nil {
			err = msgp.WrapError(err, zb0007, "Bins")
			return
		}

	if err != nil {
		return
	}
	err = en.WriteInt64(z.Total)
	if err != nil {
		err = msgp.WrapError(err, "Total")
		return
	}
	// write "Size"
	err = en.Append(0xa4, 0x53, 0x69, 0x7a, 0x65)
	if err != nil {
		return
	}
	err = en.WriteInt64(z.Size)
	if err != nil {
		err = msgp.WrapError(err, "Size")
		return
	}
	// write "N"
	err = en.Append(0xa1, 0x4e)

	o = append(o, 0xa3, 0x65, 0x72, 0x72)
	o = msgp.AppendString(o, z.error)
	// string "root"
	o = append(o, 0xa4, 0x72, 0x6f, 0x6f, 0x74)
	o = msgp.AppendString(o, z.root)
	// string "fnf"
	o = append(o, 0xa3, 0x66, 0x6e, 0x66)
	o = msgp.AppendBool(o, z.fileNotFound)
	// string "stat"
	o = append(o, 0xa4, 0x73, 0x74, 0x61, 0x74)
	o = msgp.AppendUint8(o, uint8(z.status))
	// string "rec"

	if err != nil {
		err = msgp.WrapError(err, "Failed")
		return
	}
	// write "lbkt"
	err = en.Append(0xa4, 0x6c, 0x62, 0x6b, 0x74)
	if err != nil {
		return
	}
	err = en.WriteString(z.Bucket)
	if err != nil {
		err = msgp.WrapError(err, "Bucket")
		return
	}
	// write "lobj"
	err = en.Append(0xa4, 0x6c, 0x6f, 0x62, 0x6a)
	if err != nil {
		return
	}
	err = en.WriteString(z.Object)