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Merge pull request #7115 from jfinkels/stat-format-mtime-precision

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stat: fix precision when rendering mtime (%Y)
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Sylvestre Ledru 2025-01-12 17:07:31 +01:00 • committed by GitHub
commit 988cc4eae3
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2 changed files with 207 additions and 40 deletions
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65
tests/by-util/test_stat.rs
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@ -184,9 +184,74 @@ fn test_char() {
];
let ts = TestScenario::new(util_name!());
let expected_stdout = unwrap_or_return!(expected_result(&ts, &args)).stdout_move_str();
eprintln!("{expected_stdout}");
ts.ucmd().args(&args).succeeds().stdout_is(expected_stdout);
}
#[cfg(target_os = "linux")]
#[test]
fn test_printf_mtime_precision() {
// TODO Higher precision numbers (`%.3Y`, `%.4Y`, etc.) are
// formatted correctly, but we are not precise enough when we do
// some `mtime` computations, so we get `.7640` instead of
// `.7639`. This can be fixed by being more careful when
// transforming the number from `Metadata::mtime_nsec()` to the form
// used in rendering.
let args = ["-c", "%.0Y %.1Y %.2Y", "/dev/pts/ptmx"];
let ts = TestScenario::new(util_name!());
let expected_stdout = unwrap_or_return!(expected_result(&ts, &args)).stdout_move_str();
eprintln!("{expected_stdout}");
ts.ucmd().args(&args).succeeds().stdout_is(expected_stdout);
}
#[cfg(feature = "touch")]
#[test]
fn test_timestamp_format() {
let ts = TestScenario::new(util_name!());
// Create a file with a specific timestamp for testing
ts.ccmd("touch")
.args(&["-d", "1970-01-01 18:43:33.023456789", "k"])
.succeeds()
.no_stderr();
let test_cases = vec![
// Basic timestamp formats
("%Y", "67413"),
("%.Y", "67413.023456789"),
("%.1Y", "67413.0"),
("%.3Y", "67413.023"),
("%.6Y", "67413.023456"),
("%.9Y", "67413.023456789"),
// Width and padding tests
("%13.6Y", " 67413.023456"),
("%013.6Y", "067413.023456"),
("%-13.6Y", "67413.023456 "),
// Longer width/precision combinations
("%18.10Y", " 67413.0234567890"),
("%I18.10Y", " 67413.0234567890"),
("%018.10Y", "0067413.0234567890"),
("%-18.10Y", "67413.0234567890 "),
];
for (format_str, expected) in test_cases {
let result = ts
.ucmd()
.args(&["-c", format_str, "k"])
.succeeds()
.stdout_move_str();
assert_eq!(
result,
format!("{expected}\n"),
"Format '{}' failed.\nExpected: '{}'\nGot: '{}'",
format_str,
expected,
result,
);
}
}
#[cfg(any(target_os = "linux", target_os = "android", target_vendor = "apple"))]
#[test]
fn test_date() {