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Merge pull request #2934 from jfinkels/truncate-division-by-zero

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truncate: add a division by zero error
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Sylvestre Ledru 2022-01-29 01:25:10 +01:00 • committed by GitHub
commit c702154a84
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2 changed files with 78 additions and 47 deletions
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31
tests/by-util/test_truncate.rs
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@ -346,3 +346,34 @@ fn test_new_file_no_create() {
.no_stderr();
assert!(!at.file_exists(filename));
}
#[test]
fn test_division_by_zero_size_only() {
new_ucmd!()
.args(&["-s", "/0", "file"])
.fails()
.no_stdout()
.stderr_contains("division by zero");
new_ucmd!()
.args(&["-s", "%0", "file"])
.fails()
.no_stdout()
.stderr_contains("division by zero");
}
#[test]
fn test_division_by_zero_reference_and_size() {
let (at, mut ucmd) = at_and_ucmd!();
at.make_file(FILE1);
ucmd.args(&["-r", FILE1, "-s", "/0", "file"])
.fails()
.no_stdout()
.stderr_contains("division by zero");
let (at, mut ucmd) = at_and_ucmd!();
at.make_file(FILE1);
ucmd.args(&["-r", FILE1, "-s", "%0", "file"])
.fails()
.no_stdout()
.stderr_contains("division by zero");
}