initial-empty-document.tentative.https.window.js

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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:
- /html/anonymous-iframe/initial-empty-document.tentative.https.window.html - WPT Dashboard Interop Dashboard

// META: script=/common/get-host-info.sub.js

// META: script=/html/cross-origin-embedder-policy/credentialless/resources/common.js

const {ORIGIN} = get_host_info();

promise_test_parallel(async t => {

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

  parent.credentialless = true;

  document.body.appendChild(parent);

  parent.src = ORIGIN + "/common/blank.html";

  // Wait for navigation to complete.

  await new Promise(resolve => parent.onload = resolve);

  assert_true(parent.credentialless);

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

  parent.contentDocument.body.appendChild(child);

  assert_false(child.credentialless);

  assert_true(child.contentWindow.credentialless);

}, "Initial empty document inherits from parent's document.");

promise_test_parallel(async t => {

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

  document.body.appendChild(parent);

  parent.src = ORIGIN + "/common/blank.html";

  // Wait for navigation to complete.

  await new Promise(resolve => parent.onload = resolve);

  assert_false(parent.credentialless);

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

  child.credentialless = true;

  parent.contentDocument.body.appendChild(child);

  assert_true(child.credentialless);

  assert_true(child.contentWindow.credentialless);

}, "Initial empty document inherits from its's iframe's credentialless attribute.");