{"\u65e5", "\u672c", "\u8a9e"},
	{"\U000065e5", "\U0000672c", "\U00008a9e"},
	{"\xe6", "\x97\xa5\xe6", "\x9c\xac\xe8\xaa\x9e"},
	{"Hello", ", ", "World", "!"},
	{"Hello", ", ", "", "World", "!"},
}

func TestReadRune(t *testing.T) {
	for _, s := range segmentList {
		readRuneSegments(t, s)
	}
}

func TestUnreadRune(t *testing.T) {
	segments := []string{"Hello, world:", "日本語"}