fetch/metadata/embed.https.sub.tentative.html

<!DOCTYPE html>
<meta charset="utf-8"/>
<link rel="author" href="mtrzos@google.com" title="Maciek Trzos">
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<script src=/fetch/metadata/resources/helper.js></script>
<script src=/common/utils.js></script>
<body>

<p>Relevant issue: <a href="https://github.com/whatwg/html/issues/513">
&lt;embed> should support loading random HTML documents, like &lt;object>
</a></p>

<script>
  const nonce = token();

  const origins = {
    "same-origin": "https://{{host}}:{{ports[https][0]}}",
    "same-site":   "https://{{hosts[][www]}}:{{ports[https][0]}}",
    "cross-site":  "https://{{hosts[alt][www]}}:{{ports[https][0]}}",
  };

  for (let site in origins) {
    promise_test(t => {
      return new Promise((resolve, reject) => {
        let key = "embed-" + site + "-" + nonce;

        let el = document.createElement('embed');
        el.src = origins[site] + "/fetch/metadata/resources/record-header.py?file=" + key;
        el.onload = _ => {
          let expected = {"dest": "embed", "site": site, "user": "", "mode": "navigate"};
          validate_expectations(key, expected, site + " embed")
            .then(resolve)
            .catch(reject);
        };

        document.body.appendChild(el);
      })
    }, "Wrapper: " + site + " embed");

    promise_test(t => {
      return new Promise((resolve, reject) => {
        let key = "post-embed-" + site + "-" + nonce;

        let el = document.createElement('embed');
        el.src = "/common/blank.html";
        el.addEventListener("load", _ => {
          el.addEventListener("load", _ => {
            let expected = {"dest": "embed", "site": site, "user":"", "mode":"navigate"};
            validate_expectations(key, expected, "Navigate to " + site + " embed")
              .then(resolve)
              .catch(reject);
          }, { once: true });

          // Navigate the existing `<embed>`
          window.frames[window.length - 1].location = origins[site] + "/fetch/metadata/resources/record-header.py?file=" + key;
        }, { once: true });

        document.body.appendChild(el);
      })
    }, "Wrapper: Navigate to " + site + " embed");
  }
</script>