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Merge pull request #2827 from jfinkels/split-std-io-copy

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split: use std::io::copy() with new writer implementation to improve maintainability and speed
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Sylvestre Ledru 2022-02-12 11:33:12 +01:00 • committed by GitHub
commit 6b6d5ee7db
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7 changed files with 333 additions and 146 deletions
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22
tests/by-util/test_split.rs
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@ -2,7 +2,7 @@
// *
// * For the full copyright and license information, please view the LICENSE
// * file that was distributed with this source code.
// spell-checker:ignore xzaaa sixhundredfiftyonebytes ninetyonebytes asciilowercase fghij klmno pqrst uvwxyz
// spell-checker:ignore xzaaa sixhundredfiftyonebytes ninetyonebytes asciilowercase fghij klmno pqrst uvwxyz fivelines
extern crate rand;
extern crate regex;
@ -446,7 +446,7 @@ fn test_number() {
assert_eq!(file_read("xab"), "fghij");
assert_eq!(file_read("xac"), "klmno");
assert_eq!(file_read("xad"), "pqrst");
assert_eq!(file_read("xae"), "uvwxyz");
assert_eq!(file_read("xae"), "uvwxyz\n");
}
#[test]
@ -457,3 +457,21 @@ fn test_invalid_suffix_length() {
.no_stdout()
.stderr_contains("invalid suffix length: 'xyz'");
}
#[test]
fn test_include_newlines() {
let (at, mut ucmd) = at_and_ucmd!();
ucmd.args(&["-l", "2", "fivelines.txt"]).succeeds();
let mut s = String::new();
at.open("xaa").read_to_string(&mut s).unwrap();
assert_eq!(s, "1\n2\n");
let mut s = String::new();
at.open("xab").read_to_string(&mut s).unwrap();
assert_eq!(s, "3\n4\n");
let mut s = String::new();
at.open("xac").read_to_string(&mut s).unwrap();
assert_eq!(s, "5\n");
}