43 lines
1.5 KiB
HTML
43 lines
1.5 KiB
HTML
<!DOCTYPE html>
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<title>
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Element#requestFullscreen() when the document is not the active document
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</title>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<div id="log"></div>
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<iframe allowfullscreen></iframe>
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<script>
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promise_test(async (t) => {
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const iframe = document.querySelector("iframe");
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const typeErrorConstructor = iframe.contentWindow.TypeError;
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const documentBeforeNav = iframe.contentDocument;
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documentBeforeNav.onfullscreenchange = t.unreached_func(
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"fullscreenchange event"
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);
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documentBeforeNav.onfullscreenerror = t.unreached_func(
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"fullscreenerror event"
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);
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await new Promise((r) => {
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iframe.src = "/common/blank.html";
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iframe.onload = r;
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});
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await promise_rejects_js(
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t,
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typeErrorConstructor,
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documentBeforeNav.documentElement.requestFullscreen()
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);
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// Per spec the fullscreenerror event should be fired at the next animation
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// frame, but at least Gecko and WebKit will instead effectively do "queue a
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// task to fire ...". Use both rAF and setTimeout to fail even if the timing
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// of the (unexpected) event isn't as expected.
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await new Promise((resolve) => {
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requestAnimationFrame(() => {
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t.step_timeout(resolve);
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});
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});
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});
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</script>
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