iframe-pdf.h2.window.js

Enable keyboard shortcuts

This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /loading/early-hints/iframe-pdf.h2.window.html - WPT Dashboard Interop Dashboard

// 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.");