required-document-policy-nested.html

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This test has a WPT meta file that expects 2 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /document-policy/required-policy/required-document-policy-nested.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<html>

  <head>

    <title>Test advertised required document policy</title>

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

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

  <body>

    <h1>Test advertised required document policy</h1>

<script>

// The top-level document has no required document policy. Its child frames may,

// though, and those policies should be set for any subframes.

callbacks = {};

window.addEventListener('message', ev => {

  var id = ev.data.id;

  if (id && callbacks[id]) {

    callbacks[id](ev.data.requiredPolicy || null);

});

// Frame tree should be:

// Top:

//  <iframe>

//    <iframe>

async_test(t => {

  var iframe = document.createElement('iframe');

  iframe.src = "/document-policy/echo-policy-nested.html?id=1";

  callbacks["1"] = t.step_func_done(result => {

    assert_equals(result, null);

});

  document.body.appendChild(iframe);

}, "test nested required document policy");

// Frame tree should be:

// Top:

//  <iframe policy="lossless-images-max-bpp=1.1">

//    <iframe>

async_test(t => {

  var iframe = document.createElement('iframe');

  iframe.src = "/document-policy/echo-policy-nested.html?id=2";

  iframe.policy = "lossless-images-max-bpp=1.1";

  callbacks["2"] = t.step_func_done(result => {

    assert_equals(result, "lossless-images-max-bpp=1.1");

});

  document.body.appendChild(iframe);

}, "test nested required document policy when set by nested frame");

// Frame tree should be:

// Top:

//  <iframe policy="lossless-images-max-bpp=1.1">

//    <iframe>

//      <iframe>

async_test(t => {

  var iframe = document.createElement('iframe');

  iframe.src = "/document-policy/echo-policy-nested.html?id=3&level=1";

  iframe.policy = "lossless-images-max-bpp=1.1";

  callbacks["3"] = t.step_func_done(result => {

    assert_equals(result, "lossless-images-max-bpp=1.1");

});

  document.body.appendChild(iframe);

}, "test nested required document policy when set by intermediate nested frame");

    </script>

  </body>

</html>