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| -rw-r--r-- | helix-core/src/selection.rs | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/helix-core/src/selection.rs b/helix-core/src/selection.rs index ec209424..9016462c 100644 --- a/helix-core/src/selection.rs +++ b/helix-core/src/selection.rs @@ -804,6 +804,86 @@ mod test { } #[test] + fn test_line_range() { + let r = Rope::from_str("\r\nHi\r\nthere!"); + let s = r.slice(..); + + // Zero-width ranges. + assert_eq!(Range::new(0, 0).line_range(s), (0, 0)); + assert_eq!(Range::new(1, 1).line_range(s), (0, 0)); + assert_eq!(Range::new(2, 2).line_range(s), (1, 1)); + assert_eq!(Range::new(3, 3).line_range(s), (1, 1)); + + // Forward ranges. + assert_eq!(Range::new(0, 1).line_range(s), (0, 0)); + assert_eq!(Range::new(0, 2).line_range(s), (0, 0)); + assert_eq!(Range::new(0, 3).line_range(s), (0, 1)); + assert_eq!(Range::new(1, 2).line_range(s), (0, 0)); + assert_eq!(Range::new(2, 3).line_range(s), (1, 1)); + assert_eq!(Range::new(3, 8).line_range(s), (1, 2)); + assert_eq!(Range::new(0, 12).line_range(s), (0, 2)); + + // Reverse ranges. + assert_eq!(Range::new(1, 0).line_range(s), (0, 0)); + assert_eq!(Range::new(2, 0).line_range(s), (0, 0)); + assert_eq!(Range::new(3, 0).line_range(s), (0, 1)); + assert_eq!(Range::new(2, 1).line_range(s), (0, 0)); + assert_eq!(Range::new(3, 2).line_range(s), (1, 1)); + assert_eq!(Range::new(8, 3).line_range(s), (1, 2)); + assert_eq!(Range::new(12, 0).line_range(s), (0, 2)); + } + + #[test] + fn test_cursor() { + let r = Rope::from_str("\r\nHi\r\nthere!"); + let s = r.slice(..); + + // Zero-width ranges. + assert_eq!(Range::new(0, 0).cursor(s), 0); + assert_eq!(Range::new(2, 2).cursor(s), 2); + assert_eq!(Range::new(3, 3).cursor(s), 3); + + // Forward ranges. + assert_eq!(Range::new(0, 2).cursor(s), 0); + assert_eq!(Range::new(0, 3).cursor(s), 2); + assert_eq!(Range::new(3, 6).cursor(s), 4); + + // Reverse ranges. + assert_eq!(Range::new(2, 0).cursor(s), 0); + assert_eq!(Range::new(6, 2).cursor(s), 2); + assert_eq!(Range::new(6, 3).cursor(s), 3); + } + + #[test] + fn test_put_cursor() { + let r = Rope::from_str("\r\nHi\r\nthere!"); + let s = r.slice(..); + + // Zero-width ranges. + assert_eq!(Range::new(0, 0).put_cursor(s, 0, true), Range::new(0, 2)); + assert_eq!(Range::new(0, 0).put_cursor(s, 2, true), Range::new(0, 3)); + assert_eq!(Range::new(2, 3).put_cursor(s, 4, true), Range::new(2, 6)); + assert_eq!(Range::new(2, 8).put_cursor(s, 4, true), Range::new(2, 6)); + assert_eq!(Range::new(8, 8).put_cursor(s, 4, true), Range::new(9, 4)); + + // Forward ranges. + assert_eq!(Range::new(3, 6).put_cursor(s, 0, true), Range::new(4, 0)); + assert_eq!(Range::new(3, 6).put_cursor(s, 2, true), Range::new(4, 2)); + assert_eq!(Range::new(3, 6).put_cursor(s, 3, true), Range::new(3, 4)); + assert_eq!(Range::new(3, 6).put_cursor(s, 4, true), Range::new(3, 6)); + assert_eq!(Range::new(3, 6).put_cursor(s, 6, true), Range::new(3, 7)); + assert_eq!(Range::new(3, 6).put_cursor(s, 8, true), Range::new(3, 9)); + + // Reverse ranges. + assert_eq!(Range::new(6, 3).put_cursor(s, 0, true), Range::new(6, 0)); + assert_eq!(Range::new(6, 3).put_cursor(s, 2, true), Range::new(6, 2)); + assert_eq!(Range::new(6, 3).put_cursor(s, 3, true), Range::new(6, 3)); + assert_eq!(Range::new(6, 3).put_cursor(s, 4, true), Range::new(6, 4)); + assert_eq!(Range::new(6, 3).put_cursor(s, 6, true), Range::new(4, 7)); + assert_eq!(Range::new(6, 3).put_cursor(s, 8, true), Range::new(4, 9)); + } + + #[test] fn test_split_on_matches() { use crate::regex::Regex; |