<!DOCTYPE html>
<meta charset=utf-8>
<title>IDBFactory.deleteDatabase() and opaque origins</title>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<script>

function load_iframe(src, sandbox) {
  return new Promise(resolve => {
    const iframe = document.createElement('iframe');
    iframe.onload = () => { resolve(iframe); };
    if (sandbox)
      iframe.sandbox = sandbox;
    iframe.srcdoc = src;
    iframe.style.display = 'none';
    document.documentElement.appendChild(iframe);
  });
}

function wait_for_message(recipient, source) {
  return new Promise(resolve => {
    recipient.onmessage = function listener(e) {
      if (e.source === source) {
        resolve(e.data);
        recipient.removeEventListener('message', listener);
      }
    };
  })
}

const test_code =
  '  const handler = (reply) => {' +
  '    try {' +
  '      const r = indexedDB.deleteDatabase("opaque-origin-test");' +
  '      reply({result: "no exception"});' +
  '    } catch (ex) {' +
  '      reply({result: ex.name});' +
  '    };' +
  '  };';

const iframe_script =
  '<script>' +
  test_code +
  '  window.onmessage = () => {' +
  '    handler(msg => window.parent.postMessage(msg, "*"));' +
  '  };' +
  '<\/script>';

promise_test(t => {
  return load_iframe(iframe_script)
    .then(iframe => {
      iframe.contentWindow.postMessage({}, '*');
      return wait_for_message(self, iframe.contentWindow);
    })
    .then(message => {
      assert_equals(message.result, 'no exception',
                    'IDBFactory.deleteDatabase() should not throw');
    });
}, 'IDBFactory.deleteDatabase() in non-sandboxed iframe should not throw');

promise_test(t => {
  return load_iframe(iframe_script, 'allow-scripts')
    .then(iframe => {
      iframe.contentWindow.postMessage({}, '*');
      return wait_for_message(self, iframe.contentWindow);
    })
    .then(message => {
      assert_equals(message.result, 'SecurityError',
                    'Exception should be SecurityError');
    });
}, 'IDBFactory.deleteDatabase() in sandboxed iframe should throw SecurityError');

const worker_script = `
${test_code}
// For dedicated workers:
self.addEventListener("message", () => handler(self.postMessage));
// For shared workers:
self.addEventListener("connect", (e) => {
  var port = e.ports[0];
  handler(msg => port.postMessage(msg));
});
`;
const worker_data_url = "data:,".concat(encodeURIComponent(worker_script));

promise_test(async t => {
  let worker = new Worker(worker_data_url);
  t.add_cleanup(() => worker.terminate());
  worker.postMessage({});
  const message = await wait_for_message(worker, null);
  assert_equals(message.result, 'SecurityError',
                'Promise should be rejected with SecurityError');
}, 'IDBFactory.deleteDatabase() in data URL dedicated worker should throw SecurityError');

promise_test(async t => {
  let worker = new SharedWorker(worker_data_url, 'idb_deleteDatabase_opaque');
  worker.port.postMessage({});
  const message = await wait_for_message(worker.port, null);
  assert_equals(message.result, 'SecurityError',
                'Promise should be rejected with SecurityError');
}, 'IDBFactory.deleteDatabase() in data URL shared worker should throw SecurityError');
</script>
