navigate-event-canintercept-cross-port.html

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This WPT test may be referenced by the following Test IDs:
- /navigation-api/navigate-event/navigate-event-canintercept-cross-port.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<meta charset="utf-8">

<title>Navigation API: canIntercept should be false for cross-port navigations</title>

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

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

<body>

<script>

promise_test(async t => {

  const currentPort = location.port || (location.protocol === 'https:' ? '443' : '80');

  const otherPort = currentPort === '8800' ? '8000' : '8800';

  const targetURL = `${location.protocol}//${location.hostname}:${otherPort}/`;

  const navigatePromise = new Promise((resolve) => {

    navigation.addEventListener("navigate", t.step_func(event => {

      // Cross-port navigation should have canIntercept === false

      assert_equals(event.canIntercept, false,

        `canIntercept should be false when navigating from port ${currentPort} to port ${otherPort}`);

      // Prevent the actual navigation

      event.preventDefault();

      resolve();

    }), { once: true });

});

  // Trigger the cross-port navigation

  const anchor = document.createElement('a');

  anchor.href = targetURL;

  document.body.appendChild(anchor);

  anchor.click();

  await navigatePromise;

}, "canIntercept should be false for cross-port navigations");

</script>

</body>