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dd: fail on missing number in count

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This commit is contained in:
Sudhakar Verma 2024-01-30 20:21:25 +05:30
parent ab5a3656bf
commit bd336ebbf1
3 changed files with 18 additions and 1 deletions
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10
tests/by-util/test_dd.rs
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@ -1537,6 +1537,16 @@ fn test_nocache_stdin_error() {
.stderr_only(format!("dd: failed to discard cache for: 'standard input': {detail}\n0+0 records in\n0+0 records out\n"));
}
/// Test that dd fails when no number in count.
#[test]
fn test_empty_count_number() {
new_ucmd!()
.args(&["count=B"])
.fails()
.code_is(1)
.stderr_only("dd: invalid number: ‘B’\n");
}
/// Test for discarding system file cache.
#[test]
#[cfg(target_os = "linux")]