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Merge branch 'main' into dd-seconds-precision-3

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jfinkels 2023-03-19 13:29:14 -04:00 • committed by GitHub
commit 59d34ce667
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16
tests/by-util/test_dd.rs
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@ -7,7 +7,7 @@ use regex::Regex;
use std::fs::{File, OpenOptions};
use std::io::{BufReader, Read, Write};
use std::path::PathBuf;
#[cfg(all(not(windows), not(target_os = "macos")))]
#[cfg(all(unix, not(target_os = "macos"), not(target_os = "freebsd")))]
use std::process::{Command, Stdio};
#[cfg(not(windows))]
use std::thread::sleep;
@ -1520,3 +1520,17 @@ fn test_skip_input_fifo() {
assert!(output.stdout.is_empty());
assert_eq!(&output.stderr, b"1+0 records in\n1+0 records out\n");
}
/// Test for reading part of stdin from each of two child processes.
#[cfg(all(not(windows), feature = "printf"))]
#[test]
fn test_multiple_processes_reading_stdin() {
// TODO Investigate if this is possible on Windows.
let printf = format!("{TESTS_BINARY} printf 'abcdef\n'");
let dd_skip = format!("{TESTS_BINARY} dd bs=1 skip=3 count=0");
let dd = format!("{TESTS_BINARY} dd");
UCommand::new()
.arg(format!("{printf} | ( {dd_skip} && {dd} ) 2> /dev/null"))
.succeeds()
.stdout_only("def\n");
}