t.Fatalf("Line 3: wrong error %v\n", err)
	}
	code, msg, err = r.ReadCodeLine(1)
	if code != 0 || msg != "" || err != io.EOF {
		t.Fatalf("EOF: %d, %s, %v", code, msg, err)
	}
}

func TestReadDotLines(t *testing.T) {
	r := reader("dotlines\r\n.foo\r\n..bar\n...baz\nquux\r\n\r\n.\r\nanother\n")
	s, err := r.ReadDotLines()
	want := []string{"dotlines", "foo", ".bar", "..baz", "quux", ""}