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tr: Raise error if set2 is too big on complemented class

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Dorian Péron 2024-07-12 16:12:35 +02:00 • committed by Ben Wiederhake
parent ee75d5a5e1
commit 128335a24b
2 changed files with 19 additions and 3 deletions
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14
tests/by-util/test_tr.rs
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@ -1413,3 +1413,17 @@ fn check_complement_1_unique_in_set2() {
.args(&["-c", "[:upper:]", arg.as_str()])
.succeeds();
}
#[test]
fn check_complement_set2_too_big() {
let x231 = "x".repeat(231);
let x230 = &x231[..230];
// The complement of [:upper:] expands to 230 characters,
// putting more characters in set2 should fail.
new_ucmd!().args(&["-c", "[:upper:]", x230]).succeeds();
new_ucmd!()
.args(&["-c", "[:upper:]", x231.as_str()])
.fails()
.stderr_contains("when translating with complemented character classes,\nstring2 must map all characters in the domain to one");
}