зеркало из https://github.com/mozilla/gecko-dev.git
65 строки
2.3 KiB
HTML
65 строки
2.3 KiB
HTML
<!DOCTYPE HTML>
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<meta charset="utf-8">
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<title>Test for bug 1639328</title>
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<script src="/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" href="/tests/SimpleTest/test.css">
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<style>
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/* To ensure that they're all in the viewport when displayed */
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iframe {
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width: 10px;
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height: 10px;
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}
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</style>
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<iframe id="http" src="https://example.com/tests/dom/base/test/file_bug1639328.html"></iframe>
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<iframe id="https" src="https://example.com/tests/dom/base/test/file_bug1639328.html"></iframe>
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<iframe id="same-origin" src="file_bug1639328.html"></iframe>
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<iframe id="display-none-http" style="display: none" src="https://example.com/tests/dom/base/test/file_bug1639328.html"></iframe>
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<iframe id="display-none-https" style="display: none" src="https://example.com/tests/dom/base/test/file_bug1639328.html"></iframe>
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<iframe id="display-none-same-origin" style="display: none" src="file_bug1639328.html"></iframe>
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<script>
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SimpleTest.waitForExplicitFinish();
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function getOneMessage(frame) {
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info("querying " + frame.src);
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let resolve;
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let promise = new Promise(r => { resolve = r; });
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window.addEventListener("message", function(e) {
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info("got " + JSON.stringify(e.data));
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resolve(e.data);
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}, { once: true });
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frame.contentWindow.postMessage("ping", "*");
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return promise;
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}
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async function ticks(n) {
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for (let i = 0; i < n; ++i) {
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await new Promise(resolve => requestAnimationFrame(resolve));
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}
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}
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async function checkFrame(frame, shouldThrottle) {
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let message = await getOneMessage(frame);
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is(message.throttledFrameRequests, shouldThrottle, frame.id);
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}
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onload = async function() {
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await SimpleTest.promiseFocus(window);
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await ticks(2);
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is(SpecialPowers.DOMWindowUtils.effectivelyThrottlesFrameRequests, false, "Should not be throttling main page");
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for (let frame of document.querySelectorAll("iframe")) {
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let shouldThrottle = frame.style.display == "none";
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await checkFrame(frame, shouldThrottle);
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info("Switching display of " + frame.id);
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frame.style.display = shouldThrottle ? "" : "none";
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await ticks(2);
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await checkFrame(frame, !shouldThrottle);
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info("And switching display back for " + frame.id);
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frame.style.display = shouldThrottle ? "none" : "";
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await ticks(2);
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await checkFrame(frame, shouldThrottle);
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}
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SimpleTest.finish();
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};
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</script>
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