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comm: generate an error if the input is a directory

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tested by tests/misc/read-errors
This commit is contained in:
Sylvestre Ledru 2024-11-14 21:37:20 +01:00
parent 37fb0a02f8
commit 0cae322dfa
2 changed files with 38 additions and 3 deletions
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33
tests/by-util/test_comm.rs
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@ -292,3 +292,36 @@ fn test_no_such_file() {
.fails()
.stderr_only("comm: bogus_file_1: No such file or directory\n");
}
#[test]
fn test_is_dir() {
let scene = TestScenario::new(util_name!());
let at = &scene.fixtures;
scene
.ucmd()
.args(&[".", "."])
.fails()
.stderr_only("comm: .: Is a directory\n");
at.mkdir("dir");
scene
.ucmd()
.args(&["dir", "."])
.fails()
.stderr_only("comm: dir: Is a directory\n");
at.touch("file");
scene
.ucmd()
.args(&[".", "file"])
.fails()
.stderr_only("comm: .: Is a directory\n");
at.touch("file");
scene
.ucmd()
.args(&["file", "."])
.fails()
.stderr_only("comm: .: Is a directory\n");
}