setting-null-config-navigates-to-about-blank.https.html

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This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /fenced-frame/setting-null-config-navigates-to-about-blank.https.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<meta name=timeout content=long>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<script src="/common/utils.js"></script>

<script src="/common/dispatcher/dispatcher.js"></script>

<script src="/common/get-host-info.sub.js"></script>

<script src="resources/utils.js"></script>

<title>Test fenced frame null config installation triggers about:blank navigation.</title>

<body>

  <script>

    promise_test(async (t) => {

      var frame_context = await attachFencedFrameContext();

      // Ensure remote context responds.

      let alive_indicator = await Promise.race([

        frame_context.execute(() => 'alive'),

        new Promise((resolve, reject) => t.step_timeout(

          () => reject('timed_out'), 1500))

]);

      assert_equals(alive_indicator, 'alive');

      assert_not_equals(frame_context.element.config, null);

      // Navigates to about:blank. Because this navigates away from the page

      // that the frame_context.element.config is currently pointing to, the

      // FencedFrame's portion of the remote context handling code will be

      // removed.

      frame_context.element.config = null;

      let fenced_frame_alive_promise = async (resolve) => {

        await frame_context.execute(() => {});

        resolve('alive');

};

      // This call should not succeed, because we should have navigated to

      // about:blank. Note that because the code has been deleted as described

      // above, we can't actually inspect the URL to determine it is

      // about:blank; we have to use our timeout as a proxy.

      let timeout_indicator = await Promise.any([

        new Promise(resolve => t.step_timeout(

          () => fenced_frame_alive_promise(resolve), 500)),

        new Promise(resolve => t.step_timeout(

          () => resolve('timed_out'), 1500))

]);

      assert_equals(timeout_indicator, 'timed_out');

    }, "Test that a fenced frame with a config explicitly set to null navigates to about:blank");

  </script>

</body>