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29 lines
868 B
HTML
29 lines
868 B
HTML
<!DOCTYPE html>
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<title>Document#onfullscreenerror</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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<script>
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async_test(function(t)
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{
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var sync = true;
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var promise_executed = false;
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assert_equals(document.onfullscreenerror, null, "initial onfullscreenerror");
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document.onfullscreenerror = t.step_func_done(function(event) {
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assert_true(promise_executed);
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assert_false(sync);
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});
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var e = document.createElement('span');
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var promise = e.requestFullscreen();
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if (promise) {
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promise.catch(()=> {
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assert_false(sync);
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promise_executed = true;
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});
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} else {
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// If promises aren't supported just treat it as already done.
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promise_executed = true;
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}
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sync = false;
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});
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</script>
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