mirrors/tui-textarea
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зеркало из https://github.com/glebtv/tui-textarea.git synced 2026-08-28 11:36:17 +03:00
Код Задачи Пакеты Проекты Релизы Вики Активность

allow TextArea::delete_str to delete across newlines

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Этот коммит содержится в:
rhysd
2023-11-02 09:26:50 +09:00
родитель 8bc9ff4dba
Коммит b324ccd9fd
2 изменённых файлов: 405 добавлений и 11 удалений
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318
tests/textarea.rs
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@@ -37,6 +37,10 @@ fn test_insert_str_one_line() {
want.insert(i, 'x');
assert_eq!(&want, have, "{}", i);
}
let mut t = TextArea::default();
assert!(t.insert_str("x"));
assert_eq!(t.lines(), ["x"]);
}
#[test]
@@ -385,3 +389,317 @@ fn test_insert_str_multiple_lines() {
assert_eq!(t.lines(), expected, "{:?}", test);
}
}
#[test]
fn test_delete_str_delete_nothing() {
for i in 0..="ab".len() {
let mut t = TextArea::from(["ab"]);
assert!(!t.delete_str(0), "{}", i);
}
let mut t = TextArea::default();
assert!(!t.delete_str(0));
}
#[test]
fn test_delete_str_delete_within_line() {
for i in 0.."abc".len() {
for j in 1..="abc".len() - i {
let mut t = TextArea::from(["abc"]);
t.move_cursor(CursorMove::Jump(0, i as _));
assert!(t.delete_str(j), "at {}, size={}", i, j);
let have = &t.lines()[0];
let mut want = "abc".to_string();
want.drain(i..i + j);
assert_eq!(&want, have, "at {}, size={}", i, j);
}
}
}
#[test]
fn test_delete_str_delete_multiple_lines() {
#[rustfmt::skip]
let tests = [
// Length
(
// Text before edit
&[
"ab",
"cd",
"ef",
][..],
// (row, offset) cursor position
(0, 0),
// Chars to be deleted
3,
// Deleted text
"ab\n",
// Text after edit
&[
"cd",
"ef",
][..],
),
(
&[
"ab",
"cd",
"ef",
][..],
(0, 0),
4,
"ab\nc",
&[
"d",
"ef",
][..],
),
(
&[
"ab",
"cd",
"ef",
][..],
(0, 0),
5,
"ab\ncd",
&[
"",
"ef",
][..],
),
(
&[
"ab",
"cd",
"ef",
][..],
(0, 0),
6,
"ab\ncd\n",
&[
"ef",
][..],
),
(
&[
"ab",
"cd",
"ef",
][..],
(0, 0),
7,
"ab\ncd\ne",
&[
"f",
][..],
),
(
&[
"ab",
"cd",
"ef",
][..],
(0, 0),
8,
"ab\ncd\nef",
&[
"",
][..],
),
(
&[
"ab",
"cd",
"ef",
][..],
(0, 0),
9,
"ab\ncd\nef",
&[
"",
][..],
),
// Positions
(
&[
"ab",
"cd",
"ef",
][..],
(0, 1),
3,
"b\nc",
&[
"ad",
"ef",
][..],
),
(
&[
"ab",
"cd",
"ef",
][..],
(0, 2),
4,
"\ncd\n",
&[
"abef",
][..],
),
(
&[
"ab",
"cd",
"ef",
][..],
(1, 0),
4,
"cd\ne",
&[
"ab",
"f",
][..],
),
(
&[
"ab",
"cd",
"ef",
][..],
(2, 0),
3,
"ef",
&[
"ab",
"cd",
"",
][..],
),
(
&[
"ab",
"cd",
"ef",
][..],
(2, 1),
2,
"f",
&[
"ab",
"cd",
"e",
][..],
),
(
&[
"ab",
"cd",
"ef",
][..],
(2, 2),
1,
"",
&[
"ab",
"cd",
"ef",
][..],
),
// Empty lines
(
&[
"",
"",
"",
][..],
(0, 0),
1,
"\n",
&[
"",
"",
][..],
),
(
&[
"",
"",
"",
][..],
(0, 0),
2,
"\n\n",
&[
"",
][..],
),
(
&[
"",
"",
"",
][..],
(0, 0),
3,
"\n\n",
&[
"",
][..],
),
(
&[
"",
"",
"",
][..],
(1, 0),
1,
"\n",
&[
"",
"",
][..],
),
(
&[
"",
"",
"",
][..],
(2, 0),
1,
"",
&[
"",
"",
"",
][..],
),
// Empty buffer
(
&[
"",
][..],
(0, 0),
1,
"",
&[
"",
][..],
),
];
for test in tests {
let (before, (row, col), chars, deleted, after) = test;
let mut t = TextArea::from(before.iter().map(|s| s.to_string()));
t.move_cursor(CursorMove::Jump(row as _, col as _));
assert!(t.delete_str(chars), "did not modified: {:?}", test);
assert_eq!(t.cursor(), (row, col), "cursor position: {:?}", test);
assert_eq!(t.lines(), after, "text buffer content: {:?}", test);
assert_eq!(t.yank_text(), deleted, "yanked text: {:?}", test);
}
}