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40 lines
1.5 KiB
HTML
40 lines
1.5 KiB
HTML
<!DOCTYPE html>
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<title>Document#exitFullscreen() called twice</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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<script src="../trusted-click.js"></script>
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<div id="log"></div>
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<script>
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async_test(t => {
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const div = document.querySelector("div");
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document.onfullscreenchange = t.step_func(() => {
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// We are now in fullscreen.
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assert_equals(document.fullscreenElement, div);
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// Exit fullscreen twice.
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document.exitFullscreen();
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assert_equals(document.fullscreenElement, div, "fullscreenElement after first exitFullscreen()");
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const secondPromise = document.exitFullscreen();
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assert_equals(document.fullscreenElement, div, "fullscreenElement after second exitFullscreen()");
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document.onfullscreenchange = t.step_func(event => {
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assert_equals(document.fullscreenElement, null);
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// Ensure that there's only one fullscreenchange event.
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document.onfullscreenchange = t.unreached_func("second fullscreenchange event");
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t.step_timeout(() => {
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// Done, but if a promise was returned, assert that it is resolved and
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// not rejected. This test does not fail if promises aren't implemented.
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if (secondPromise) {
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secondPromise.then(t.step_func_done(), t.unreached_func("second promise rejected"));
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} else {
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t.done();
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}
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}, 0);
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});
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});
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document.onfullscreenerror = t.unreached_func("fullscreenerror event");
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trusted_request(t, div);
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});
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</script>
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