Function runTest

test/parallel/test-fs-stat-date.mjs:52–88

(atime, mtime, margin = 0)

}

async function runTest(atime, mtime, margin = 0) {
  margin += Number.EPSILON;
  try {
    await fsPromises.utimes(filepath, new Date(atime), new Date(mtime));
  } catch (e) {
    if (ignoredErrors.has(e.code)) return;
    throw e;
  }

  const stats = await fsPromises.stat(filepath);
  closeEnough(stats.atimeMs, atime, margin);
  closeEnough(stats.mtimeMs, mtime, margin);
  closeEnough(stats.atime.getTime(), new Date(atime).getTime(), margin);
  closeEnough(stats.mtime.getTime(), new Date(mtime).getTime(), margin);
  validateEnumerability(stats);

  const statsBigint = await fsPromises.stat(filepath, { bigint: true });
  closeEnough(statsBigint.atimeMs, BigInt(atime), margin);
  closeEnough(statsBigint.mtimeMs, BigInt(mtime), margin);
  closeEnough(statsBigint.atime.getTime(), new Date(atime).getTime(), margin);
  closeEnough(statsBigint.mtime.getTime(), new Date(mtime).getTime(), margin);
  validateEnumerability(statsBigint);

  const statsSync = fs.statSync(filepath);
  closeEnough(statsSync.atimeMs, atime, margin);
  closeEnough(statsSync.mtimeMs, mtime, margin);
  closeEnough(statsSync.atime.getTime(), new Date(atime).getTime(), margin);
  closeEnough(statsSync.mtime.getTime(), new Date(mtime).getTime(), margin);
  validateEnumerability(statsSync);

  const statsSyncBigint = fs.statSync(filepath, { bigint: true });
  closeEnough(statsSyncBigint.atimeMs, BigInt(atime), margin);
  closeEnough(statsSyncBigint.mtimeMs, BigInt(mtime), margin);
  closeEnough(statsSyncBigint.atime.getTime(), new Date(atime).getTime(), margin);
  closeEnough(statsSyncBigint.mtime.getTime(), new Date(mtime).getTime(), margin);
  validateEnumerability(statsSyncBigint);
}

// Too high/low numbers produce too different results on different platforms
{