mirror of
https://github.com/rust-lang/rust.git
synced 2025-10-29 20:15:27 +00:00
48 lines
1.6 KiB
Rust
48 lines
1.6 KiB
Rust
use super::*;
|
|
|
|
#[test]
|
|
fn test_lookup_line() {
|
|
let source = "abcdefghijklm\nabcdefghij\n...".to_owned();
|
|
let sf = SourceFile::new(
|
|
FileName::Anon(Hash64::ZERO),
|
|
source,
|
|
BytePos(3),
|
|
SourceFileHashAlgorithm::Sha256,
|
|
);
|
|
sf.lines(|lines| assert_eq!(lines, &[BytePos(3), BytePos(17), BytePos(28)]));
|
|
|
|
assert_eq!(sf.lookup_line(BytePos(0)), None);
|
|
assert_eq!(sf.lookup_line(BytePos(3)), Some(0));
|
|
assert_eq!(sf.lookup_line(BytePos(4)), Some(0));
|
|
|
|
assert_eq!(sf.lookup_line(BytePos(16)), Some(0));
|
|
assert_eq!(sf.lookup_line(BytePos(17)), Some(1));
|
|
assert_eq!(sf.lookup_line(BytePos(18)), Some(1));
|
|
|
|
assert_eq!(sf.lookup_line(BytePos(28)), Some(2));
|
|
assert_eq!(sf.lookup_line(BytePos(29)), Some(2));
|
|
}
|
|
|
|
#[test]
|
|
fn test_normalize_newlines() {
|
|
fn check(before: &str, after: &str, expected_positions: &[u32]) {
|
|
let mut actual = before.to_string();
|
|
let mut actual_positions = vec![];
|
|
normalize_newlines(&mut actual, &mut actual_positions);
|
|
let actual_positions: Vec<_> = actual_positions.into_iter().map(|nc| nc.pos.0).collect();
|
|
assert_eq!(actual.as_str(), after);
|
|
assert_eq!(actual_positions, expected_positions);
|
|
}
|
|
check("", "", &[]);
|
|
check("\n", "\n", &[]);
|
|
check("\r", "\r", &[]);
|
|
check("\r\r", "\r\r", &[]);
|
|
check("\r\n", "\n", &[1]);
|
|
check("hello world", "hello world", &[]);
|
|
check("hello\nworld", "hello\nworld", &[]);
|
|
check("hello\r\nworld", "hello\nworld", &[6]);
|
|
check("\r\nhello\r\nworld\r\n", "\nhello\nworld\n", &[1, 7, 13]);
|
|
check("\r\r\n", "\r\n", &[2]);
|
|
check("hello\rworld", "hello\rworld", &[]);
|
|
}
|