}
	w.Reset(&buf5)
	w2.Reset(w)
	w2.WriteString("recur2")
	w2.Flush()
	if buf5.String() != "recur2" {
		t.Errorf("buf5 = %q, want %q", buf5.String(), "recur2")
	}
}

func TestReaderDiscard(t *testing.T) {
	tests := []struct {
		name     string
		r        io.Reader
		bufSize  int // 0 means 16
		peekSize int

		n int // input to Discard

		want    int   // from Discard