| use super::*; |
| |
| #[test] |
| fn test_lookup_line() { |
| let lines = &[BytePos(3), BytePos(17), BytePos(28)]; |
| |
| assert_eq!(lookup_line(lines, BytePos(0)), -1); |
| assert_eq!(lookup_line(lines, BytePos(3)), 0); |
| assert_eq!(lookup_line(lines, BytePos(4)), 0); |
| |
| assert_eq!(lookup_line(lines, BytePos(16)), 0); |
| assert_eq!(lookup_line(lines, BytePos(17)), 1); |
| assert_eq!(lookup_line(lines, BytePos(18)), 1); |
| |
| assert_eq!(lookup_line(lines, BytePos(28)), 2); |
| assert_eq!(lookup_line(lines, BytePos(29)), 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", &[]); |
| } |