chromium/third_party/blink/web_tests/external/wpt/html/browsers/browsing-the-web/navigating-across-documents/initial-empty-document/load-pageshow-events-iframe-contentWindow.html

<!DOCTYPE html>
<meta charset="UTF-8">
<title>"load" & "pageshow" events do not fire on contentWindow of iframe that stays on the initial empty document</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/helpers.js"></script>
<body></body>
<script>
"use strict";

promise_test(async t => {
  const iframe = document.createElement("iframe");
  document.body.appendChild(iframe);
  return assertNoLoadAndPageshowEvent(t, iframe.contentWindow);
}, "load & pageshow event do not fire on contentWindow of <iframe> element created with no src");

promise_test(async t => {
  const iframe = document.createElement("iframe");
  iframe.src = "";
  document.body.appendChild(iframe);
  return assertNoLoadAndPageshowEvent(t, iframe.contentWindow);
}, "load & pageshow events do not fire on contentWindow of <iframe> element created with src=''");

promise_test(async t => {
  const iframe = document.createElement("iframe");
  iframe.src = "about:blank";
  document.body.appendChild(iframe);
  return assertNoLoadAndPageshowEvent(t, iframe.contentWindow);
}, "load & pageshow events do not fire on contentWindow of <iframe> element created with src='about:blank'");

promise_test(async t => {
  const iframe = document.createElement("iframe");
  iframe.src = "about:blank#foo";
  document.body.appendChild(iframe);
  return assertNoLoadAndPageshowEvent(t, iframe.contentWindow);
}, "load & pageshow events do not fire on contentWindow of <iframe> element created with src='about:blank#foo'");

promise_test(async t => {
  const iframe = document.createElement("iframe");
  iframe.src = "about:blank?foo";
  document.body.appendChild(iframe);
  return assertNoLoadAndPageshowEvent(t, iframe.contentWindow);
}, "load & pageshow events do not fire on contentWindow of <iframe> element created with src='about:blank?foo'");
</script>