diff options
| -rw-r--r-- | helix-core/src/line_ending.rs | 51 |
1 files changed, 46 insertions, 5 deletions
diff --git a/helix-core/src/line_ending.rs b/helix-core/src/line_ending.rs index dfc74551..fa33204c 100644 --- a/helix-core/src/line_ending.rs +++ b/helix-core/src/line_ending.rs @@ -164,7 +164,7 @@ mod line_ending_tests { use super::*; #[test] - fn test_autodetect() { + fn line_ending_autodetect() { assert_eq!( auto_detect_line_ending(&Rope::from_str("\n")), Some(LineEnding::LF) @@ -197,15 +197,56 @@ mod line_ending_tests { } #[test] - fn test_rope_slice_to_line_ending() { - let r = Rope::from_str("\r\n"); + fn str_to_line_ending() { + assert_eq!(LineEnding::from_str("\r"), Some(LineEnding::CR)); + assert_eq!(LineEnding::from_str("\n"), Some(LineEnding::LF)); + assert_eq!(LineEnding::from_str("\r\n"), Some(LineEnding::Crlf)); + assert_eq!(LineEnding::from_str("hello\n"), None); + } + + #[test] + fn rope_slice_to_line_ending() { + let r = Rope::from_str("hello\r\n"); assert_eq!( - LineEnding::from_rope_slice(&r.slice(1..2)), + LineEnding::from_rope_slice(&r.slice(5..6)), + Some(LineEnding::CR) + ); + assert_eq!( + LineEnding::from_rope_slice(&r.slice(6..7)), Some(LineEnding::LF) ); assert_eq!( - LineEnding::from_rope_slice(&r.slice(0..2)), + LineEnding::from_rope_slice(&r.slice(5..7)), Some(LineEnding::Crlf) ); + assert_eq!(LineEnding::from_rope_slice(&r.slice(..)), None); + } + + #[test] + fn get_line_ending_rope_slice() { + let r = Rope::from_str("Hello\rworld\nhow\r\nare you?"); + assert_eq!(get_line_ending(&r.slice(..6)), Some(LineEnding::CR)); + assert_eq!(get_line_ending(&r.slice(..12)), Some(LineEnding::LF)); + assert_eq!(get_line_ending(&r.slice(..17)), Some(LineEnding::Crlf)); + assert_eq!(get_line_ending(&r.slice(..)), None); + } + + #[test] + fn get_line_ending_str() { + let text = "Hello\rworld\nhow\r\nare you?"; + assert_eq!(get_line_ending_of_str(&text[..6]), Some(LineEnding::CR)); + assert_eq!(get_line_ending_of_str(&text[..12]), Some(LineEnding::LF)); + assert_eq!(get_line_ending_of_str(&text[..17]), Some(LineEnding::Crlf)); + assert_eq!(get_line_ending_of_str(&text[..]), None); + } + + #[test] + fn line_end_char_index_rope_slice() { + let r = Rope::from_str("Hello\rworld\nhow\r\nare you?"); + let s = &r.slice(..); + assert_eq!(line_end_char_index(s, 0), 5); + assert_eq!(line_end_char_index(s, 1), 11); + assert_eq!(line_end_char_index(s, 2), 15); + assert_eq!(line_end_char_index(s, 3), 25); } } |