dec.wireType[id] = wire
}

var errBadCount = errors.New("invalid message length")

// recvMessage reads the next count-delimited item from the input. It is the converse
// of Encoder.writeMessage. It returns false on EOF or other error reading the message.
func (dec *Decoder) recvMessage() bool {
	// Read a count.
	nbytes, _, err := decodeUintReader(dec.r, dec.countBuf)
	if err != nil {
		dec.err = err

		if !reflect.DeepEqual(x, y) {
			t.Errorf("ints: expected %q got %q\n", x, y)
		}
		if addr != &y[0] {
			t.Errorf("ints: unnecessary reallocation")
		}
	}
}

// Used to crash: negative count in recvMessage.
func TestBadCount(t *testing.T) {
	b := []byte{0xfb, 0xa5, 0x82, 0x2f, 0xca, 0x1}
	if err := NewDecoder(bytes.NewReader(b)).Decode(nil); err == nil {
		t.Error("expected error from bad count")