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add tests for TextArea::insert_str

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Этот коммит содержится в:
rhysd
2023-11-01 21:27:59 +09:00
родитель 2a447d45c2
Коммит 8bc9ff4dba
2 изменённых файлов: 365 добавлений и 5 удалений
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361
tests/textarea.rs
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@@ -24,3 +24,364 @@ fn test_insert_soft_tab() {
assert_eq!(line, expected, "{:?}", test);
}
}
#[test]
fn test_insert_str_one_line() {
for i in 0..="ab".len() {
let mut t = TextArea::from(["ab"]);
t.move_cursor(CursorMove::Jump(0, i as u16));
assert!(t.insert_str("x"), "{}", i);
let have = &t.lines()[0];
let mut want = "ab".to_string();
want.insert(i, 'x');
assert_eq!(&want, have, "{}", i);
}
}
#[test]
fn test_insert_str_empty_line() {
let mut t = TextArea::from(["ab"]);
assert!(!t.insert_str(""));
assert_eq!(t.lines(), ["ab"]);
}
#[test]
fn test_insert_str_multiple_lines() {
#[rustfmt::skip]
let tests = [
// Positions
(
// Text before edit
&[
"ab",
"cd",
"ef",
][..],
// (row, offset) position before edit
(0, 0),
// String to be inserted
"x\ny",
// (row, offset) position after edit
(1, 1),
// Text after edit
&[
"x",
"yab",
"cd",
"ef",
][..],
),
(
&[
"ab",
"cd",
"ef",
][..],
(0, 1),
"x\ny",
(1, 1),
&[
"ax",
"yb",
"cd",
"ef",
][..],
),
(
&[
"ab",
"cd",
"ef",
][..],
(0, 2),
"x\ny",
(1, 1),
&[
"abx",
"y",
"cd",
"ef",
][..],
),
(
&[
"ab",
"cd",
"ef",
][..],
(1, 0),
"x\ny",
(2, 1),
&[
"ab",
"x",
"ycd",
"ef",
][..],
),
(
&[
"ab",
"cd",
"ef",
][..],
(1, 1),
"x\ny",
(2, 1),
&[
"ab",
"cx",
"yd",
"ef",
][..],
),
(
&[
"ab",
"cd",
"ef",
][..],
(1, 2),
"x\ny",
(2, 1),
&[
"ab",
"cdx",
"y",
"ef",
][..],
),
(
&[
"ab",
"cd",
"ef",
][..],
(2, 0),
"x\ny",
(3, 1),
&[
"ab",
"cd",
"x",
"yef",
][..],
),
(
&[
"ab",
"cd",
"ef",
][..],
(2, 1),
"x\ny",
(3, 1),
&[
"ab",
"cd",
"ex",
"yf",
][..],
),
(
&[
"ab",
"cd",
"ef",
][..],
(2, 2),
"x\ny",
(3, 1),
&[
"ab",
"cd",
"efx",
"y",
][..],
),
// More than 2 lines
(
&[
"ab",
"cd",
"ef",
][..],
(1, 1),
"x\ny\nz\nw",
(4, 1),
&[
"ab",
"cx",
"y",
"z",
"wd",
"ef",
][..],
),
// Empty lines
(
&[
"",
"",
"",
][..],
(0, 0),
"x\ny\nz",
(2, 1),
&[
"x",
"y",
"z",
"",
"",
][..],
),
(
&[
"",
"",
"",
][..],
(1, 0),
"x\ny\nz",
(3, 1),
&[
"",
"x",
"y",
"z",
"",
][..],
),
(
&[
"",
"",
"",
][..],
(2, 0),
"x\ny\nz",
(4, 1),
&[
"",
"",
"x",
"y",
"z",
][..],
),
// Empty buffer
(
&[
"",
][..],
(0, 0),
"x\ny\nz",
(2, 1),
&[
"x",
"y",
"z",
][..],
),
// Insert empty lines
(
&[
"ab",
"cd",
"ef",
][..],
(0, 0),
"\n\n\n",
(2, 0),
&[
"",
"",
"ab",
"cd",
"ef",
][..],
),
(
&[
"ab",
"cd",
"ef",
][..],
(1, 0),
"\n\n\n",
(3, 0),
&[
"ab",
"",
"",
"cd",
"ef",
][..],
),
(
&[
"ab",
"cd",
"ef",
][..],
(1, 1),
"\n\n\n",
(3, 0),
&[
"ab",
"c",
"",
"d",
"ef",
][..],
),
(
&[
"ab",
"cd",
"ef",
][..],
(1, 2),
"\n\n\n",
(3, 0),
&[
"ab",
"cd",
"",
"",
"ef",
][..],
),
(
&[
"ab",
"cd",
"ef",
][..],
(2, 2),
"\n\n\n",
(4, 0),
&[
"ab",
"cd",
"ef",
"",
"",
][..],
),
];
for test in tests {
let (before, before_pos, input, after_pos, expected) = test;
let mut t = TextArea::from(before.iter().map(|s| s.to_string()));
let (row, col) = before_pos;
t.move_cursor(CursorMove::Jump(row, col));
assert!(t.insert_str(input), "{:?}", test);
assert_eq!(t.cursor(), after_pos, "{:?}", test);
assert_eq!(t.lines(), expected, "{:?}", test);
}
}