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| -rw-r--r-- | helix-core/src/movement.rs | 242 |
1 files changed, 242 insertions, 0 deletions
diff --git a/helix-core/src/movement.rs b/helix-core/src/movement.rs index c73b218c..900d3806 100644 --- a/helix-core/src/movement.rs +++ b/helix-core/src/movement.rs @@ -590,6 +590,90 @@ mod test { } #[test] + fn test_behaviour_when_moving_to_start_of_next_long_words() { + let tests = array::IntoIter::new([ + ("Basic forward motion stops at the first space", + vec![(1, Range::new(0, 0), Range::new(0, 5))]), + (" Starting from a boundary advances the anchor", + vec![(1, Range::new(0, 0), Range::new(1, 9))]), + ("Long whitespace gap is bridged by the head", + vec![(1, Range::new(0, 0), Range::new(0, 10))]), + ("Previous anchor is irrelevant for forward motions", + vec![(1, Range::new(12, 0), Range::new(0, 8))]), + (" Starting from whitespace moves to last space in sequence", + vec![(1, Range::new(0, 0), Range::new(0, 3))]), + ("Starting from mid-word leaves anchor at start position and moves head", + vec![(1, Range::new(3, 3), Range::new(3, 8))]), + ("Identifiers_with_underscores are considered a single word", + vec![(1, Range::new(0, 0), Range::new(0, 28))]), + ("Jumping\n into starting whitespace selects the spaces before 'into'", + vec![(1, Range::new(0, 6), Range::new(8, 11))]), + ("alphanumeric.!,and.?=punctuation are not treated any differently than alphanumerics", + vec![ + (1, Range::new(0, 0), Range::new(0, 32)), + ]), + ("... ... punctuation and spaces behave as expected", + vec![ + (1, Range::new(0, 0), Range::new(0, 5)), + (1, Range::new(0, 5), Range::new(6, 9)), + ]), + (".._.._ punctuation is joined by underscores into a single word, as it behaves like alphanumerics", + vec![(1, Range::new(0, 0), Range::new(0, 6))]), + ("Newlines\n\nare bridged seamlessly.", + vec![ + (1, Range::new(0, 0), Range::new(0, 7)), + (1, Range::new(0, 7), Range::new(10, 13)), + ]), + ("Jumping\n\n\n\n\n\n from newlines to whitespace selects whitespace.", + vec![ + (1, Range::new(0, 8), Range::new(13, 15)), + ]), + ("A failed motion does not modify the range", + vec![ + (3, Range::new(37, 41), Range::new(37, 41)), + ]), + ("oh oh oh two character words!", + vec![ + (1, Range::new(0, 0), Range::new(0, 2)), + (1, Range::new(0, 2), Range::new(3, 5)), + (1, Range::new(0, 1), Range::new(2, 2)), + ]), + ("Multiple motions at once resolve correctly", + vec![ + (3, Range::new(0, 0), Range::new(17, 19)), + ]), + ("Excessive motions are performed partially", + vec![ + (999, Range::new(0, 0), Range::new(32, 40)), + ]), + ("", // Edge case of moving forward in empty string + vec![ + (1, Range::new(0, 0), Range::new(0, 0)), + ]), + ("\n\n\n\n\n", // Edge case of moving forward in all newlines + vec![ + (1, Range::new(0, 0), Range::new(0, 4)), + ]), + ("\n \n \n Jumping through alternated space blocks and newlines selects the space blocks", + vec![ + (1, Range::new(0, 0), Range::new(1, 3)), + (1, Range::new(1, 3), Range::new(5, 7)), + ]), + ("ヒー..リクス multibyte characters behave as normal characters, including their interaction with punctuation", + vec![ + (1, Range::new(0, 0), Range::new(0, 7)), + ]), + ]); + + for (sample, scenario) in tests { + for (count, begin, expected_end) in scenario.into_iter() { + let range = move_next_long_word_start(Rope::from(sample).slice(..), begin, count); + assert_eq!(range, expected_end, "Case failed: [{}]", sample); + } + } + } + + #[test] fn test_behaviour_when_moving_to_start_of_previous_words() { let tests = array::IntoIter::new([ ("Basic backward motion from the middle of a word", @@ -672,6 +756,86 @@ mod test { } #[test] + fn test_behaviour_when_moving_to_start_of_previous_long_words() { + let tests = array::IntoIter::new([ + ("Basic backward motion from the middle of a word", + vec![(1, Range::new(3, 3), Range::new(3, 0))]), + ("Starting from after boundary retreats the anchor", + vec![(1, Range::new(0, 8), Range::new(7, 0))]), + (" Jump to start of a word preceded by whitespace", + vec![(1, Range::new(5, 5), Range::new(5, 4))]), + (" Jump to start of line from start of word preceded by whitespace", + vec![(1, Range::new(4, 4), Range::new(3, 0))]), + ("Previous anchor is irrelevant for backward motions", + vec![(1, Range::new(12, 5), Range::new(5, 0))]), + (" Starting from whitespace moves to first space in sequence", + vec![(1, Range::new(0, 3), Range::new(3, 0))]), + ("Identifiers_with_underscores are considered a single word", + vec![(1, Range::new(0, 20), Range::new(20, 0))]), + ("Jumping\n \nback through a newline selects whitespace", + vec![(1, Range::new(0, 13), Range::new(11, 8))]), + ("Jumping to start of word from the end selects the word", + vec![(1, Range::new(6, 6), Range::new(6, 0))]), + ("alphanumeric.!,and.?=punctuation are treated exactly the same", + vec![ + (1, Range::new(30, 30), Range::new(30, 0)), + ]), + + ("... ... punctuation and spaces behave as expected", + vec![ + (1, Range::new(0, 10), Range::new(9, 6)), + (1, Range::new(9, 6), Range::new(5, 0)), + ]), + (".._.._ punctuation is joined by underscores into a single block", + vec![(1, Range::new(0, 5), Range::new(4, 0))]), + ("Newlines\n\nare bridged seamlessly.", + vec![ + (1, Range::new(0, 10), Range::new(7, 0)), + ]), + ("Jumping \n\n\n\n\nback from within a newline group selects previous block", + vec![ + (1, Range::new(0, 13), Range::new(10, 0)), + ]), + ("Failed motions do not modify the range", + vec![ + (0, Range::new(3, 0), Range::new(3, 0)), + ]), + ("Multiple motions at once resolve correctly", + vec![ + (3, Range::new(18, 18), Range::new(8, 0)), + ]), + ("Excessive motions are performed partially", + vec![ + (999, Range::new(40, 40), Range::new(9, 0)), + ]), + ("", // Edge case of moving backwards in empty string + vec![ + (1, Range::new(0, 0), Range::new(0, 0)), + ]), + ("\n\n\n\n\n", // Edge case of moving backwards in all newlines + vec![ + (1, Range::new(0, 0), Range::new(0, 0)), + ]), + (" \n \nJumping back through alternated space blocks and newlines selects the space blocks", + vec![ + (1, Range::new(0, 7), Range::new(6, 4)), + (1, Range::new(6, 4), Range::new(2, 0)), + ]), + ("ヒーリ..クス multibyte characters behave as normal characters, including when interacting with punctuation", + vec![ + (1, Range::new(0, 7), Range::new(6, 0)), + ]), + ]); + + for (sample, scenario) in tests { + for (count, begin, expected_end) in scenario.into_iter() { + let range = move_prev_long_word_start(Rope::from(sample).slice(..), begin, count); + assert_eq!(range, expected_end, "Case failed: [{}]", sample); + } + } + } + + #[test] fn test_behaviour_when_moving_to_end_of_next_words() { let tests = array::IntoIter::new([ ("Basic forward motion from the start of a word to the end of it", @@ -750,4 +914,82 @@ mod test { } } } + + #[test] + fn test_behaviour_when_moving_to_end_of_next_long_words() { + let tests = array::IntoIter::new([ + ("Basic forward motion from the start of a word to the end of it", + vec![(1, Range::new(0, 0), Range::new(0, 4))]), + ("Basic forward motion from the end of a word to the end of the next", + vec![(1, Range::new(0, 4), Range::new(5, 12))]), + ("Basic forward motion from the middle of a word to the end of it", + vec![(1, Range::new(2, 2), Range::new(2, 4))]), + (" Jumping to end of a word preceded by whitespace", + vec![(1, Range::new(0, 0), Range::new(0, 10))]), + (" Starting from a boundary advances the anchor", + vec![(1, Range::new(0, 0), Range::new(1, 8))]), + ("Previous anchor is irrelevant for end of word motion", + vec![(1, Range::new(12, 2), Range::new(2, 7))]), + ("Identifiers_with_underscores are considered a single word", + vec![(1, Range::new(0, 0), Range::new(0, 27))]), + ("Jumping\n into starting whitespace selects up to the end of next word", + vec![(1, Range::new(0, 6), Range::new(8, 15))]), + ("alphanumeric.!,and.?=punctuation are treated the same way", + vec![ + (1, Range::new(0, 0), Range::new(0, 31)), + ]), + ("... ... punctuation and spaces behave as expected", + vec![ + (1, Range::new(0, 0), Range::new(0, 2)), + (1, Range::new(0, 2), Range::new(3, 8)), + ]), + (".._.._ punctuation is joined by underscores into a single block", + vec![(1, Range::new(0, 0), Range::new(0, 5))]), + ("Newlines\n\nare bridged seamlessly.", + vec![ + (1, Range::new(0, 0), Range::new(0, 7)), + (1, Range::new(0, 7), Range::new(10, 12)), + ]), + ("Jumping\n\n\n\n\n\n from newlines to whitespace selects to end of next word.", + vec![ + (1, Range::new(0, 8), Range::new(13, 19)), + ]), + ("A failed motion does not modify the range", + vec![ + (3, Range::new(37, 41), Range::new(37, 41)), + ]), + ("Multiple motions at once resolve correctly", + vec![ + (3, Range::new(0, 0), Range::new(16, 18)), + ]), + ("Excessive motions are performed partially", + vec![ + (999, Range::new(0, 0), Range::new(31, 40)), + ]), + ("", // Edge case of moving forward in empty string + vec![ + (1, Range::new(0, 0), Range::new(0, 0)), + ]), + ("\n\n\n\n\n", // Edge case of moving forward in all newlines + vec![ + (1, Range::new(0, 0), Range::new(0, 4)), + ]), + ("\n \n \n Jumping through alternated space blocks and newlines selects the space blocks", + vec![ + (1, Range::new(0, 0), Range::new(1, 3)), + (1, Range::new(1, 3), Range::new(5, 7)), + ]), + ("ヒーリ..クス multibyte characters behave as normal characters, including when they interact with punctuation", + vec![ + (1, Range::new(0, 0), Range::new(0, 6)), + ]), + ]); + + for (sample, scenario) in tests { + for (count, begin, expected_end) in scenario.into_iter() { + let range = move_next_long_word_end(Rope::from(sample).slice(..), begin, count); + assert_eq!(range, expected_end, "Case failed: [{}]", sample); + } + } + } } |