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expr: fix eager evaluation of parenthesized dead branches (#11395)

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Co-authored-by: Sylvestre Ledru <sylvestre@debian.org>
This commit is contained in:
Can Bölük
2026-04-03 12:13:24 +02:00
committed by GitHub
co-authored by Sylvestre Ledru
parent 90c7896d23
commit 76b2f7877f
2 changed files with 27 additions and 23 deletions
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tests/by-util/test_expr.rs
+25 -2
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@@ -217,6 +217,29 @@ fn test_and() {
new_ucmd!().args(&["", "&", ""]).fails().stdout_only("0\n");
}
#[test]
fn test_parenthesized_short_circuit_dead_branches() {
new_ucmd!()
.args(&["1", "|", "(", "1", "/", "0", ")"])
.succeeds()
.stdout_only("1\n");
new_ucmd!()
.args(&["0", "&", "(", "1", "/", "0", ")"])
.fails_with_code(1)
.stdout_only("0\n");
new_ucmd!()
.args(&["1", "|", "(", "0", "&", "(", "1", "/", "0", ")", ")"])
.succeeds()
.stdout_only("1\n");
new_ucmd!()
.args(&["0", "&", "(", "1", "|", "(", "1", "/", "0", ")", ")"])
.fails_with_code(1)
.stdout_only("0\n");
}
#[test]
fn test_length_fail() {
new_ucmd!().args(&["length", "αbcdef", "1"]).fails();
@@ -580,11 +603,11 @@ fn test_num_str_comparison() {
}
#[test]
fn test_eager_evaluation() {
fn test_missing_closing_parenthesis_reports_syntax_error() {
new_ucmd!()
.args(&["(", "1", "/", "0"])
.fails()
.stderr_contains("division by zero");
.stderr_contains("expecting ')' after '0'");
}
#[test]