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authorNathan Vegdahl2021-06-21 19:56:42 +0000
committerNathan Vegdahl2021-06-21 19:56:42 +0000
commitf2954fa153ccb6b147d8d38020341a2f1b0b6df2 (patch)
treefe46389c9d4e40b8643909f9bca39a7f32ea07a1 /helix-core/src
parenta18d50b77759d6305b99ff59baa1ccaf9d644a88 (diff)
Flesh out the line ending utility unit tests.
Diffstat (limited to 'helix-core/src')
-rw-r--r--helix-core/src/line_ending.rs51
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);
}
}