diff --git a/helix-core/src/match_brackets.rs b/helix-core/src/match_brackets.rs index f6d9885e4..e49b408a8 100644 --- a/helix-core/src/match_brackets.rs +++ b/helix-core/src/match_brackets.rs @@ -141,7 +141,7 @@ fn find_pair( #[must_use] pub fn find_matching_bracket_plaintext(doc: RopeSlice, cursor_pos: usize) -> Option { // Don't do anything when the cursor is not on top of a bracket. - let bracket = doc.char(cursor_pos); + let bracket = doc.get_char(cursor_pos)?; if !is_valid_bracket(bracket) { return None; } @@ -265,6 +265,12 @@ fn as_char(doc: RopeSlice, node: &Node) -> Option<(usize, char)> { mod tests { use super::*; + #[test] + fn find_matching_bracket_empty_file() { + let actual = find_matching_bracket_plaintext("".into(), 0); + assert_eq!(actual, None); + } + #[test] fn test_find_matching_bracket_current_line_plaintext() { let assert = |input: &str, pos, expected| {