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unexpand: return Result instead of calling crash!

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This commit is contained in:
Daniel Hofstetter 2022-06-09 08:18:50 +02:00 • committed by Sylvestre Ledru
parent d1f7f51f99
commit 0c0e4dbda4
2 changed files with 74 additions and 17 deletions
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28
tests/by-util/test_unexpand.rs
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@ -155,3 +155,31 @@ fn unexpand_read_from_two_file() {
.run()
.success();
}
#[test]
fn test_tabs_cannot_be_zero() {
new_ucmd!()
.arg("--tabs=0")
.fails()
.stderr_contains("tab size cannot be 0");
}
#[test]
fn test_tabs_must_be_ascending() {
new_ucmd!()
.arg("--tabs=1,1")
.fails()
.stderr_contains("tab sizes must be ascending");
}
#[test]
fn test_tabs_with_invalid_chars() {
new_ucmd!()
.arg("--tabs=x")
.fails()
.stderr_contains("tab size contains invalid character(s): 'x'");
new_ucmd!()
.arg("--tabs=1x2")
.fails()
.stderr_contains("tab size contains invalid character(s): 'x2'");
}