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<!DOCTYPE html>
<meta charset=utf-8>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="early-hints-helpers.sub.js"></script>
<body>
<script>
const SEARCH_PARAMS = new URLSearchParams(window.location.search);
const EARLY_HINTS_POLICY = SEARCH_PARAMS.get("early-hints-policy");
const FINAL_POLICY = SEARCH_PARAMS.get("final-policy");
function isResourceAllowed() {
return FINAL_POLICY === "absent" || FINAL_POLICY === "allowed";
}
function shouldEarlyHintsPreloadResource() {
return EARLY_HINTS_POLICY === "absent" || EARLY_HINTS_POLICY == "allowed";
}
promise_test(async (t) => {
const resource_url = SEARCH_PARAMS.get("resource-url");
if (isResourceAllowed()) {
await fetchScript(resource_url);
const early_hints_preloaded = isPreloadedByEarlyHints(resource_url);
const should_early_hints_preload = shouldEarlyHintsPreloadResource();
const description = "Early Hints " +
(early_hints_preloaded ? "preloaded" : "didn't preload") +
" the resource, should " +
(should_early_hints_preload ? "" : "not ") + "preload.";
assert_equals(early_hints_preloaded, should_early_hints_preload,
description);
} else {
await promise_rejects_js(t, Error, fetchScript(resource_url));
}
}, `Early Hints CSP: Early Hints policy = ${EARLY_HINTS_POLICY}, final response policy = ${FINAL_POLICY}.`);
</script>
</body>