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Test Info: Warnings
- This test has a WPT meta file that expects 1 subtest issues.
- This WPT test may be referenced by the following Test IDs:
- /html/semantics/links/hyperlink-auditing/headers.optional.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<meta charset="utf-8">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/utils.js"></script>
<iframe id="i" src="/common/blank.html"></iframe>
<!-- Test is optional because hyperlink auditing is optional. -->
<script>
promise_test(async t => {
await new Promise(resolve => window.onload = resolve);
const id = token();
const el = document.createElement("a");
el.ping = new URL(`resources/stash-headers.py?id=${id}`, location.href); // this will be a POST
el.href = "/common/blank.html?1";
i.contentDocument.body.append(el);
el.click();
let headers;
await pollForConditionFunc(t, async () => {
const res = await fetch(el.ping); // this will be a GET
const json = await res.json();
if (json !== "no headers yet") {
headers = json;
return true;
}
return false;
});
assert_equals(headers["content-type"], "text/ping", "content-type");
assert_equals(headers["ping-from"], i.src, "ping-from");
assert_equals(headers["ping-to"], el.href, "ping-to");
});
async function pollForConditionFunc(t, func, timeout = 3000, interval = 100) {
let remaining = Math.ceil(timeout / interval);
while (remaining > 0) {
--remaining;
await new Promise(resolve => t.step_timeout(resolve, interval));
if (await func()) {
return;
}
}
assert_true(false, "Condition never became true");
}
</script>