| use crate::{LineIndex, TextSize, WideChar}; |
| |
| macro_rules! test { |
| ( |
| case: $test_name:ident, |
| text: $text:expr, |
| lines: $lines:expr, |
| multi_byte_chars: $multi_byte_chars:expr, |
| ) => { |
| #[test] |
| fn $test_name() { |
| let line_index = LineIndex::new($text); |
| |
| let expected_lines: Vec<TextSize> = |
| $lines.into_iter().map(<TextSize as From<u32>>::from).collect(); |
| |
| assert_eq!(&*line_index.newlines, &*expected_lines); |
| |
| let expected_mbcs: Vec<_> = $multi_byte_chars |
| .into_iter() |
| .map(|(line, (pos, end)): (u32, (u32, u32))| { |
| (line, WideChar { start: TextSize::from(pos), end: TextSize::from(end) }) |
| }) |
| .collect(); |
| |
| assert_eq!( |
| line_index |
| .line_wide_chars |
| .iter() |
| .flat_map(|(line, val)| std::iter::repeat(*line).zip(val.iter().copied())) |
| .collect::<Vec<_>>(), |
| expected_mbcs |
| ); |
| } |
| }; |
| } |
| |
| test!( |
| case: empty_text, |
| text: "", |
| lines: vec![], |
| multi_byte_chars: vec![], |
| ); |
| |
| test!( |
| case: newlines_short, |
| text: "a\nc", |
| lines: vec![2], |
| multi_byte_chars: vec![], |
| ); |
| |
| test!( |
| case: newlines_long, |
| text: "012345678\nabcdef012345678\na", |
| lines: vec![10, 26], |
| multi_byte_chars: vec![], |
| ); |
| |
| test!( |
| case: newline_and_multi_byte_char_in_same_chunk, |
| text: "01234β789\nbcdef0123456789abcdef", |
| lines: vec![11], |
| multi_byte_chars: vec![(0, (5, 7))], |
| ); |
| |
| test!( |
| case: newline_and_control_char_in_same_chunk, |
| text: "01234\u{07}6789\nbcdef0123456789abcdef", |
| lines: vec![11], |
| multi_byte_chars: vec![], |
| ); |
| |
| test!( |
| case: multi_byte_char_short, |
| text: "aβc", |
| lines: vec![], |
| multi_byte_chars: vec![(0, (1, 3))], |
| ); |
| |
| test!( |
| case: multi_byte_char_long, |
| text: "0123456789abcΔf012345β", |
| lines: vec![], |
| multi_byte_chars: vec![(0, (13, 15)), (0, (22, 24))], |
| ); |
| |
| test!( |
| case: multi_byte_char_across_chunk_boundary, |
| text: "0123456789abcdeΔ123456789abcdef01234", |
| lines: vec![], |
| multi_byte_chars: vec![(0, (15, 17))], |
| ); |
| |
| test!( |
| case: multi_byte_char_across_chunk_boundary_tail, |
| text: "0123456789abcdeΔ....", |
| lines: vec![], |
| multi_byte_chars: vec![(0, (15, 17))], |
| ); |
| |
| test!( |
| case: multi_byte_with_new_lines, |
| text: "01\t345\n789abcΔf01234567\u{07}9\nbcΔf", |
| lines: vec![7, 27], |
| multi_byte_chars: vec![(1, (13, 15)), (2, (29, 31))], |
| ); |
| |
| test!( |
| case: trailing_newline, |
| text: "0123456789\n", |
| lines: vec![11], |
| multi_byte_chars: vec![], |
| ); |
| |
| test!( |
| case: trailing_newline_chunk_boundary, |
| text: "0123456789abcde\n", |
| lines: vec![16], |
| multi_byte_chars: vec![], |
| ); |
