cursor-disconnected.html | Explore in Territory

<!doctype html>
<meta charset="utf8">
<title>IndexedDB: use of cursor with disconnected context</title>
<script src="../../resources/testharness.js"></script>
<script src="../../resources/testharnessreport.js"></script>
<script src="resources/support-promises.js"></script>
<body></body>
<script>
'use strict';

// Regression test for crbug.com/1519989
promise_test(t => {
  let frame = document.createElement('iframe');
  frame.src = location;
  document.body.append(frame);
  setIndexedDBForTest(frame.contentWindow.indexedDB);

  return createDatabase(t, database => {
    createBooksStore(t, database);
  }).then(database => {
    let transaction = database.transaction(['books'], 'readonly');
    let objectStore = transaction.objectStore('books');

    return new Promise((resolve, reject) => {
      let request = objectStore.openCursor();
      request.onerror = reject;
      request.onsuccess = (event) => {
        const cursor = event.target.result;
        frame.remove();
        try {
          cursor.continue();
          reject('expected exception');
        } catch (ex) {
          if (ex.code != DOMException.INVALID_STATE_ERR) {
            reject('Unexpected error: ' + ex.message);
          }
        }
        resolve();
      };
    });
  });
}, 'operations on a disconnected cursor throws an exception rather than crashing');

</script>
chromium/third_party/blink/web_tests/storage/indexeddb/cursor-disconnected.html
