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Add test for common_prefix_at and rewrite it to be more readable and

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pass the new test cases
This commit is contained in:
Keith Simmons 2022-03-31 00:55:55 -07:00
parent 263e3d8176
commit 9385690b98
3 changed files with 34 additions and 7 deletions
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10
crates/text/src/tests.rs
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@ -7,6 +7,7 @@ use std::{
iter::Iterator,
time::{Duration, Instant},
};
use util::test::marked_text_ranges;
#[cfg(test)]
#[ctor::ctor]
@ -166,10 +167,13 @@ fn test_line_len() {
#[test]
fn test_common_prefix_at_positionn() {
let buffer = Buffer::new(0, 0, History::new("a = (bcd)".into()));
let (text, ranges) = marked_text_ranges("a = [bcd]");
let buffer = Buffer::new(0, 0, History::new(text.into()));
let snapshot = &buffer.snapshot();
let expected_range = ranges[0].to_offset(&snapshot);
assert_eq!(
buffer.common_prefix_at_position(Point::new(0, 8), "bcdef"),
Point::new(0, 5)..Point::new(0, 8)
buffer.common_prefix_at(expected_range.end, "bcdef"),
expected_range
)
}