redirect-to-data.html

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This test has a WPT meta file that expects 4 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /html/browsers/browsing-the-web/navigating-across-documents/redirect-to-data.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<meta charset="utf-8">

<title>Redirecting to data: URLs is disallowed</title>

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

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

<body>

<script>

"use strict";

promise_test(async (t) => {

  window.onmessage = t.unreached_func("must not be messaged");

  t.add_cleanup(() => { window.onmessage = null; });

  const iframe = document.createElement("iframe");

  iframe.src = `resources/redirect.py?location=data:text/html,FAIL<script>parent.postMessage('FAIL', '*')</${'script'}>`;

  document.body.append(iframe);

  await new Promise(r => iframe.onload = r);

  // Must throw since error pages are opaque origin.

  assert_throws_dom("SecurityError", () => {

    iframe.contentWindow.document;

});

  // Test passes if after 100 ms we haven't gotten the message.

  await new Promise(r => t.step_timeout(r, 100));

}, "Loading an iframe with src=redirecting URL");

promise_test(async (t) => {

  window.onmessage = t.unreached_func("must not be messaged");

  t.add_cleanup(() => { window.onmessage = null; });

  const iframe = document.createElement("iframe");

  iframe.src = "/common/blank.html";

  document.body.append(iframe);

  await new Promise(r => iframe.onload = r);

  iframe.contentWindow.location.href = `resources/redirect.py?location=data:text/html,FAIL<script>parent.postMessage('FAIL', '*')</${'script'}>`;

  await new Promise(r => iframe.onload = r);

  // Must throw since error pages are opaque origin.

  assert_throws_dom("SecurityError", () => {

    iframe.contentWindow.document;

});

  // Test passes if after 100 ms we haven't gotten the message.

  await new Promise(r => t.step_timeout(r, 100));

}, "Navigating an iframe to a redirecting URL");

promise_test(async (t) => {

  window.onmessage = t.unreached_func("must not be messaged");

  t.add_cleanup(() => { window.onmessage = null; });

  const w = window.open(`resources/redirect.py?location=data:text/html,FAIL<script>parent.postMessage('FAIL', '*')</${'script'}>`);

  // Test passes if after 100 ms we haven't gotten the message.

  await new Promise(r => t.step_timeout(r, 100));

}, "Loading a popup directly to the redirecting URL");

promise_test(async (t) => {

  const w = window.open(`resources/message-opener.html`);

  await new Promise(r => window.onmessage = r);

  window.onmessage = t.unreached_func("must not be messaged");

  t.add_cleanup(() => { window.onmessage = null; });

  w.location.href = `resources/redirect.py?location=data:text/html,FAIL<script>parent.postMessage('FAIL', '*')</${'script'}>`;

  // Test passes if after 100 ms we haven't gotten the message.

  await new Promise(r => t.step_timeout(r, 100));

}, "Loading a popup that eventually goes to the redirecting URL");

</script>