window-open-popup.html | Explore in Territory

<!DOCTYPE html>
<meta charset="utf-8">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/utils.js"></script>

<body>
<script>
"use strict";
promise_test(async t => {
  // Generating a new one instead of hard-coding makes running manual tests a bit easier.
  const windowName = token();

  const code = `
    window.onload = () => { window.onloadFired = true; };
  `;

  const startURL = "resources/slow-code-injector.html?pipe=sub(none)&code=" + encodeURIComponent(code);
  const absoluteStartURL = (new URL(startURL, location.href)).href;

  const afterReplacementURL = "resources/message-opener.html";
  const absoluteAfterReplacementURL = (new URL(afterReplacementURL, location.href)).href;

  const w = window.open(startURL, windowName);
  t.add_cleanup(() => w.close());

  // Wait to get past any initial about:blank
  while (true) {
    if (w.location.href === absoluteStartURL) {
      break;
    }
    await new Promise(r => setTimeout(r, 0));
  }

  assert_equals(w.onloadFired, undefined, "onload must not yet have fired");
  assert_equals(w.history.length, 1, "history.length for the opened window must start at 1");

  window.open(afterReplacementURL, windowName);
  await new Promise(r => { window.onmessage = r; });

  assert_equals(w.history.length, 2, "history.length must increase");
  assert_equals(w.location.href, absoluteAfterReplacementURL);

  w.history.back();

  await new Promise(r => t.step_timeout(r, 1000));
  assert_equals(w.location.href, absoluteStartURL, "1 second after attempting to go back, it indeed went back");
}, "No replace before load, triggered by window.open() on a non-_self window");
</script>

chromium/third_party/blink/web_tests/external/wpt/html/browsers/browsing-the-web/navigating-across-documents/replace-before-load/window-open-popup.html