Update web-platform-tests to revision 332b7c4e711d75ead4c0dfbf7f6f0b683206756d

tests/wpt/web-platform-tests/native-file-system/resources/native-fs-test-helpers.js

@@ -0,0 +1,49 @@
+// This file defines a directory_test() function that can be used to define
+// tests that require a FileSystemDirectoryHandle. The implementation of that
+// function in this file will ask the user to select an empty directory and
+// uses that directory.
+//
+// Another implementation of this function exists in
+// sandboxed-fs-test-helpers.js, where that version uses the sandboxed file
+// system instead.
+
+const directory_promise = (async () => {
+  await new Promise(resolve => {
+    window.addEventListener('DOMContentLoaded', resolve);
+  });
+
+  await window.test_driver.bless(
+      'show a file picker.<br />Please select an empty directory');
+  const entries = await self.chooseFileSystemEntries({type: 'openDirectory'});
+  assert_true(entries instanceof FileSystemHandle);
+  assert_true(entries instanceof FileSystemDirectoryHandle);
+  for await (const entry of entries.getEntries()) {
+    assert_unreached('Selected directory is not empty');
+  }
+  return entries;
+})();
+
+function directory_test(func, description) {
+  promise_test(async t => {
+    const directory = await directory_promise;
+    // To be resilient against tests not cleaning up properly, cleanup before
+    // every test.
+    for await (let entry of directory.getEntries()) {
+      await directory.removeEntry(entry.name, {recursive: entry.isDirectory});
+    }
+    await func(t, directory);
+  }, description);
+}
+
+directory_test(async (t, dir) => {
+  assert_equals(await dir.queryPermission({writable: false}), 'granted');
+}, 'User succesfully selected an empty directory.');
+
+directory_test(async (t, dir) => {
+  const status = await dir.queryPermission({writable: true});
+  if (status == 'granted')
+    return;
+
+  await window.test_driver.bless('ask for write permission');
+  assert_equals(await dir.requestPermission({writable: true}), 'granted');
+}, 'User granted write access.');