Function test_cyclic_link_protection

test/parallel/test-fs-realpath.js:222–249

(realpath, realpathSync, callback)

}

function test_cyclic_link_protection(realpath, realpathSync, callback) {
  console.log('test_cyclic_link_protection');
  if (skipSymlinks) {
    common.printSkipMessage('symlink test (no privs)');
    return callback();
  }
  const entry = path.join(tmpDir, '/cycles/realpath-3a');
  [
    [entry, '../cycles/realpath-3b'],
    [path.join(tmpDir, '/cycles/realpath-3b'), '../cycles/realpath-3c'],
    [path.join(tmpDir, '/cycles/realpath-3c'), '../cycles/realpath-3a'],
  ].forEach(function(t) {
    try { fs.unlinkSync(t[0]); } catch {
      // Continue regardless of error.
    }
    fs.symlinkSync(t[1], t[0], 'dir');
    unlink.push(t[0]);
  });
  assert.throws(() => {
    realpathSync(entry);
  }, { code: 'ELOOP', name: 'Error' });
  asynctest(
    realpath, [entry], callback, common.mustCall(function(err, result) {
      assert.strictEqual(err.path, entry);
      assert.strictEqual(result, undefined);
      return true;
    }));
}

function test_cyclic_link_overprotection(realpath, realpathSync, callback) {
  console.log('test_cyclic_link_overprotection');