bendns' repos / rust-analyzer
Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/ide_db/src/line_index/tests.rs')
-rw-r--r--crates/ide_db/src/line_index/tests.rs133
1 files changed, 0 insertions, 133 deletions
diff --git a/crates/ide_db/src/line_index/tests.rs b/crates/ide_db/src/line_index/tests.rs
deleted file mode 100644
index 09f3bca626..0000000000
--- a/crates/ide_db/src/line_index/tests.rs
+++ /dev/null
@@ -1,133 +0,0 @@
-use super::*;
-
-#[test]
-fn test_line_index() {
- let text = "hello\nworld";
- let table = [
- (00, 0, 0),
- (01, 0, 1),
- (05, 0, 5),
- (06, 1, 0),
- (07, 1, 1),
- (08, 1, 2),
- (10, 1, 4),
- (11, 1, 5),
- (12, 1, 6),
- ];
-
- let index = LineIndex::new(text);
- for &(offset, line, col) in &table {
- assert_eq!(index.line_col(offset.into()), LineCol { line, col });
- }
-
- let text = "\nhello\nworld";
- let table = [(0, 0, 0), (1, 1, 0), (2, 1, 1), (6, 1, 5), (7, 2, 0)];
- let index = LineIndex::new(text);
- for &(offset, line, col) in &table {
- assert_eq!(index.line_col(offset.into()), LineCol { line, col });
- }
-}
-
-#[test]
-fn test_char_len() {
- assert_eq!('メ'.len_utf8(), 3);
- assert_eq!('メ'.len_utf16(), 1);
-}
-
-#[test]
-fn test_empty_index() {
- let col_index = LineIndex::new(
- "
-const C: char = 'x';
-",
- );
- assert_eq!(col_index.utf16_lines.len(), 0);
-}
-
-#[test]
-fn test_single_char() {
- let col_index = LineIndex::new(
- "
-const C: char = 'メ';
-",
- );
-
- assert_eq!(col_index.utf16_lines.len(), 1);
- assert_eq!(col_index.utf16_lines[&1].len(), 1);
- assert_eq!(col_index.utf16_lines[&1][0], Utf16Char { start: 17.into(), end: 20.into() });
-
- // UTF-8 to UTF-16, no changes
- assert_eq!(col_index.utf8_to_utf16_col(1, 15.into()), 15);
-
- // UTF-8 to UTF-16
- assert_eq!(col_index.utf8_to_utf16_col(1, 22.into()), 20);
-
- // UTF-16 to UTF-8, no changes
- assert_eq!(col_index.utf16_to_utf8_col(1, 15), TextSize::from(15));
-
- // UTF-16 to UTF-8
- assert_eq!(col_index.utf16_to_utf8_col(1, 19), TextSize::from(21));
-
- let col_index = LineIndex::new("a𐐏b");
- assert_eq!(col_index.utf16_to_utf8_col(0, 3), TextSize::from(5));
-}
-
-#[test]
-fn test_string() {
- let col_index = LineIndex::new(
- "
-const C: char = \"メ メ\";
-",
- );
-
- assert_eq!(col_index.utf16_lines.len(), 1);
- assert_eq!(col_index.utf16_lines[&1].len(), 2);
- assert_eq!(col_index.utf16_lines[&1][0], Utf16Char { start: 17.into(), end: 20.into() });
- assert_eq!(col_index.utf16_lines[&1][1], Utf16Char { start: 21.into(), end: 24.into() });
-
- // UTF-8 to UTF-16
- assert_eq!(col_index.utf8_to_utf16_col(1, 15.into()), 15);
-
- assert_eq!(col_index.utf8_to_utf16_col(1, 21.into()), 19);
- assert_eq!(col_index.utf8_to_utf16_col(1, 25.into()), 21);
-
- assert!(col_index.utf8_to_utf16_col(2, 15.into()) == 15);
-
- // UTF-16 to UTF-8
- assert_eq!(col_index.utf16_to_utf8_col(1, 15), TextSize::from(15));
-
- // メ UTF-8: 0xE3 0x83 0xA1, UTF-16: 0x30E1
- assert_eq!(col_index.utf16_to_utf8_col(1, 17), TextSize::from(17)); // first メ at 17..20
- assert_eq!(col_index.utf16_to_utf8_col(1, 18), TextSize::from(20)); // space
- assert_eq!(col_index.utf16_to_utf8_col(1, 19), TextSize::from(21)); // second メ at 21..24
-
- assert_eq!(col_index.utf16_to_utf8_col(2, 15), TextSize::from(15));
-}
-
-#[test]
-fn test_splitlines() {
- fn r(lo: u32, hi: u32) -> TextRange {
- TextRange::new(lo.into(), hi.into())
- }
-
- let text = "a\nbb\nccc\n";
- let line_index = LineIndex::new(text);
-
- let actual = line_index.lines(r(0, 9)).collect::<Vec<_>>();
- let expected = vec![r(0, 2), r(2, 5), r(5, 9)];
- assert_eq!(actual, expected);
-
- let text = "";
- let line_index = LineIndex::new(text);
-
- let actual = line_index.lines(r(0, 0)).collect::<Vec<_>>();
- let expected = vec![];
- assert_eq!(actual, expected);
-
- let text = "\n";
- let line_index = LineIndex::new(text);
-
- let actual = line_index.lines(r(0, 1)).collect::<Vec<_>>();
- let expected = vec![r(0, 1)];
- assert_eq!(actual, expected)
-}