Flesh out the line ending utility unit tests.

pull/224/head
Nathan Vegdahl 3 years ago
parent a18d50b777
commit f2954fa153

@ -164,7 +164,7 @@ mod line_ending_tests {
use super::*; use super::*;
#[test] #[test]
fn test_autodetect() { fn line_ending_autodetect() {
assert_eq!( assert_eq!(
auto_detect_line_ending(&Rope::from_str("\n")), auto_detect_line_ending(&Rope::from_str("\n")),
Some(LineEnding::LF) Some(LineEnding::LF)
@ -197,15 +197,56 @@ mod line_ending_tests {
} }
#[test] #[test]
fn test_rope_slice_to_line_ending() { fn str_to_line_ending() {
let r = Rope::from_str("\r\n"); 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(5..6)),
Some(LineEnding::CR)
);
assert_eq!( assert_eq!(
LineEnding::from_rope_slice(&r.slice(1..2)), LineEnding::from_rope_slice(&r.slice(6..7)),
Some(LineEnding::LF) Some(LineEnding::LF)
); );
assert_eq!( assert_eq!(
LineEnding::from_rope_slice(&r.slice(0..2)), LineEnding::from_rope_slice(&r.slice(5..7)),
Some(LineEnding::Crlf) 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);
} }
} }

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