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| 1 <!DOCTYPE html> |
| 2 <title>Document#exitFullscreen() called twice</title> |
| 3 <script src="/resources/testharness.js"></script> |
| 4 <script src="/resources/testharnessreport.js"></script> |
| 5 <script src="../trusted-click.js"></script> |
| 6 <div id="log"></div> |
| 7 <script> |
| 8 async_test(t => { |
| 9 const div = document.querySelector("div"); |
| 10 |
| 11 document.onfullscreenchange = t.step_func(() => { |
| 12 // We are now in fullscreen. |
| 13 assert_equals(document.fullscreenElement, div); |
| 14 |
| 15 document.onfullscreenchange = t.step_func(() => { |
| 16 assert_equals(document.fullscreenElement, null); |
| 17 // Done, but ensure that there's only one fullscreenchange event. |
| 18 document.onfullscreenchange = t.unreached_func("second fullscreenchange ev
ent"); |
| 19 setTimeout(t.step_func_done(), 0); |
| 20 }); |
| 21 |
| 22 // Exit fullscreen twice. |
| 23 document.exitFullscreen(); |
| 24 assert_equals(document.fullscreenElement, div, "fullscreenElement after firs
t exitFullscreen()"); |
| 25 document.exitFullscreen(); |
| 26 assert_equals(document.fullscreenElement, div, "fullscreenElement after seco
nd exitFullscreen()"); |
| 27 }); |
| 28 document.onfullscreenerror = t.unreached_func("fullscreenerror event"); |
| 29 |
| 30 trusted_request(div); |
| 31 }); |
| 32 </script> |
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