<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<iframe id="frame" src="//{{domains[www]}}:{{ports[http][1]}}/resource-timing/resources/iframe-setdomain.sub.html"></iframe>
<script>
    let opener = window.opener;
    window.addEventListener("load", () => {
        try {
            let frameDoc = document.getElementById("frame").contentWindow.document;
            opener.postMessage("FAIL - iframe document.domain was not set", "*");
            return;
        } catch(error) {
            if (error.name != "SecurityError") {
                opener.postMessage("FAIL - error is " + error.name, "*");
                return;
            }
            let entry = performance.getEntriesByName(window.location.protocol + "//{{domains[www]}}:{{ports[http][1]}}/resource-timing/resources/iframe-setdomain.sub.html");
            // To verify that setting 'document.domain' did not change the results of the timing allow check,
            // verify that the following non-zero properties return their value.
            ["domainLookupStart", "domainLookupEnd", "connectStart", "connectEnd"].forEach(property => {
                if (entry[property] == 0) {
                    opener.postMessage("FAIL - " + property + " is 0 but timing allow check should ignore document.domain", "*");
                }
            });
            opener.postMessage("PASS", "*");
        }
        opener.postMessage("FAIL - unknown", "*");
    });
</script>