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tail: verify that -[nc]0 without -f, exit without reading

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This passes: "gnu/tests/tail-2/tail-n0f.sh"

* add tests for "-[nc]0 wo -f"

* add bubble-up UResult
* rename return_code -> exit_code
This commit is contained in:
Jan Scheer 2022-05-27 23:36:31 +02:00
parent 4bbf708c81
commit bb5dc8bd2f
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GPG key ID: C62AD4C29E2B9828
2 changed files with 106 additions and 28 deletions
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67
tests/by-util/test_tail.rs
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@ -97,6 +97,55 @@ fn test_stdin_redirect_file() {
assert!(buf_stderr.is_empty());
}
#[test]
fn test_nc_0_wo_follow() {
// verify that -[nc]0 without -f, exit without reading
let ts = TestScenario::new(util_name!());
ts.ucmd()
.set_stdin(Stdio::null())
.args(&["-n0", "missing"])
.run()
.no_stderr()
.no_stdout()
.succeeded();
ts.ucmd()
.set_stdin(Stdio::null())
.args(&["-c0", "missing"])
.run()
.no_stderr()
.no_stdout()
.succeeded();
}
#[test]
#[cfg(not(target_os = "windows"))]
#[cfg(feature = "chmod")]
fn test_nc_0_wo_follow2() {
// verify that -[nc]0 without -f, exit without reading
let ts = TestScenario::new(util_name!());
let at = &ts.fixtures;
at.touch("unreadable");
ts.ccmd("chmod").arg("0").arg("unreadable").succeeds();
ts.ucmd()
.set_stdin(Stdio::null())
.args(&["-n0", "unreadable"])
.run()
.no_stderr()
.no_stdout()
.succeeded();
ts.ucmd()
.set_stdin(Stdio::null())
.args(&["-c0", "unreadable"])
.run()
.no_stderr()
.no_stdout()
.succeeded();
}
#[test]
#[cfg(not(target_os = "windows"))]
#[cfg(feature = "chmod")]
@ -831,11 +880,18 @@ fn test_positive_bytes() {
#[test]
#[cfg(all(unix, not(target_os = "android")))] // FIXME: fix this test for Android
fn test_positive_zero_bytes() {
new_ucmd!()
let ts = TestScenario::new(util_name!());
ts.ucmd()
.args(&["-c", "+0"])
.pipe_in("abcde")
.succeeds()
.stdout_is("abcde");
ts.ucmd()
.args(&["-c", "0"])
.pipe_in("abcde")
.succeeds()
.no_stdout()
.no_stderr();
}
/// Test for reading all but the first NUM lines: `tail -n +3`.
@ -917,11 +973,18 @@ fn test_obsolete_syntax_small_file() {
#[test]
#[cfg(all(unix, not(target_os = "android")))] // FIXME: fix this test for Android
fn test_positive_zero_lines() {
new_ucmd!()
let ts = TestScenario::new(util_name!());
ts.ucmd()
.args(&["-n", "+0"])
.pipe_in("a\nb\nc\nd\ne\n")
.succeeds()
.stdout_is("a\nb\nc\nd\ne\n");
ts.ucmd()
.args(&["-n", "0"])
.pipe_in("a\nb\nc\nd\ne\n")
.succeeds()
.no_stderr()
.no_stdout();
}
#[test]