31 lines
1.2 KiB
JavaScript
31 lines
1.2 KiB
JavaScript
// META: script=/common/utils.js
|
|
// META: script=resources/early-hints-helpers.sub.js
|
|
|
|
promise_test(async (t) => {
|
|
if (!navigator.pdfViewerEnabled) {
|
|
return;
|
|
}
|
|
|
|
const iframe = document.createElement("iframe");
|
|
const resource_url = SAME_ORIGIN_RESOURCES_URL + "/empty.js?" + token();
|
|
const promise = new Promise((resolve) => {
|
|
const params = new URLSearchParams();
|
|
params.set("resource-url", resource_url);
|
|
params.set("token", token());
|
|
const iframe_url = SAME_ORIGIN_RESOURCES_URL + "/pdf-with-early-hints.h2.py?" + params.toString();
|
|
|
|
iframe.src = iframe_url;
|
|
iframe.onload = resolve;
|
|
document.body.appendChild(iframe);
|
|
});
|
|
await promise;
|
|
|
|
// `iframe` should not preload the hinted resource.
|
|
const iframe_entries = iframe.contentWindow.performance.getEntriesByName(resource_url);
|
|
assert_equals(iframe_entries.length, 0);
|
|
|
|
await fetchScript(resource_url);
|
|
const entries = performance.getEntriesByName(resource_url);
|
|
assert_equals(entries.length, 1);
|
|
assert_not_equals(entries[0].transferSize, 0);
|
|
}, "Early hints for an iframe of which content is pdf should be ignored.");
|