1719d45013
to simplify the implementation and avoid unnecessary conversions from `Option<usize>` to `isize` and back.
44 lines
1.6 KiB
Rust
44 lines
1.6 KiB
Rust
use super::*;
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#[test]
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fn test_lookup_line() {
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let source = "abcdefghijklm\nabcdefghij\n...".to_owned();
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let sf =
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SourceFile::new(FileName::Anon(0), source, BytePos(3), SourceFileHashAlgorithm::Sha256);
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assert_eq!(sf.lines.as_slice(), &[BytePos(3), BytePos(17), BytePos(28)]);
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assert_eq!(sf.lookup_line(BytePos(0)), None);
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assert_eq!(sf.lookup_line(BytePos(3)), Some(0));
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assert_eq!(sf.lookup_line(BytePos(4)), Some(0));
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assert_eq!(sf.lookup_line(BytePos(16)), Some(0));
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assert_eq!(sf.lookup_line(BytePos(17)), Some(1));
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assert_eq!(sf.lookup_line(BytePos(18)), Some(1));
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assert_eq!(sf.lookup_line(BytePos(28)), Some(2));
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assert_eq!(sf.lookup_line(BytePos(29)), Some(2));
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}
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#[test]
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fn test_normalize_newlines() {
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fn check(before: &str, after: &str, expected_positions: &[u32]) {
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let mut actual = before.to_string();
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let mut actual_positions = vec![];
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normalize_newlines(&mut actual, &mut actual_positions);
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let actual_positions: Vec<_> = actual_positions.into_iter().map(|nc| nc.pos.0).collect();
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assert_eq!(actual.as_str(), after);
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assert_eq!(actual_positions, expected_positions);
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}
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check("", "", &[]);
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check("\n", "\n", &[]);
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check("\r", "\r", &[]);
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check("\r\r", "\r\r", &[]);
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check("\r\n", "\n", &[1]);
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check("hello world", "hello world", &[]);
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check("hello\nworld", "hello\nworld", &[]);
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check("hello\r\nworld", "hello\nworld", &[6]);
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check("\r\nhello\r\nworld\r\n", "\nhello\nworld\n", &[1, 7, 13]);
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check("\r\r\n", "\r\n", &[2]);
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check("hello\rworld", "hello\rworld", &[]);
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}
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