chromium/third_party/blink/web_tests/external/wpt/entries-api/filesystementry-getParent-manual.html

<!DOCTYPE html>
<meta charset=utf-8>
<title>Entries API: FileSystemEntry getParent() manual test</title>
<link rel=help href="https://wicg.github.io/entries-api/#dom-filesystementry-getparentapi-entry">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="support.js"></script>

<script>
entry_test((t, entry) => {
  assert_idl_attribute(entry, 'getParent', 'FileSystemEntry has getParent method');
  assert_equals(typeof entry.getParent, 'function', 'FileSystemEntry has a getParent() method');

  assert_equals(entry.getParent(), void 0, 'getParent() arguments are optional');

  entry.getParent(t.step_func(parent => {
    assert_true(parent.isDirectory, 'parent should be a directory');

    assert_equals(parent.fullPath, '/', 'parent should be root');
    assert_equals(parent.name, '', 'root name is empty string');

    t.done();
  }), t.unreached_func('getParent() should not fail'));
}, 'FileSystemEntry - getParent()');

// TODO: Manual test for getParent() where containing directory is removed before getParent() is called.
</script>