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echo: add support for POSIXLY_CORRECT

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This commit is contained in:
Daniel Hofstetter 2025-01-06 09:51:41 +01:00
parent 934e85f4cd
commit d8d635d014
2 changed files with 81 additions and 27 deletions
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52
tests/by-util/test_echo.rs
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@ -390,3 +390,55 @@ fn slash_eight_off_by_one() {
.succeeds()
.stdout_only(r"\8");
}
mod posixly_correct {
use super::*;
#[test]
fn ignore_options() {
for arg in ["--help", "--version", "-E -n 'foo'", "-nE 'foo'"] {
new_ucmd!()
.env("POSIXLY_CORRECT", "1")
.arg(arg)
.succeeds()
.stdout_only(format!("{arg}\n"));
}
}
#[test]
fn process_n_option() {
new_ucmd!()
.env("POSIXLY_CORRECT", "1")
.args(&["-n", "foo"])
.succeeds()
.stdout_only("foo");
// ignore -E & process escapes
new_ucmd!()
.env("POSIXLY_CORRECT", "1")
.args(&["-n", "-E", "foo\\cbar"])
.succeeds()
.stdout_only("foo");
}
#[test]
fn process_escapes() {
new_ucmd!()
.env("POSIXLY_CORRECT", "1")
.arg("foo\\n")
.succeeds()
.stdout_only("foo\n\n");
new_ucmd!()
.env("POSIXLY_CORRECT", "1")
.arg("foo\\tbar")
.succeeds()
.stdout_only("foo\tbar\n");
new_ucmd!()
.env("POSIXLY_CORRECT", "1")
.arg("foo\\ctbar")
.succeeds()
.stdout_only("foo");
}
}