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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 // Adapted from https://github.com/w3c/web-platform-tests/pull/4250 |
| 9 // TODO(foolip): Remove this test when the above is imported and passing. |
| 10 async_test(t => { |
| 11 const div = document.querySelector("div"); |
| 12 |
| 13 document.onfullscreenchange = t.step_func(() => { |
| 14 // We are now in fullscreen. |
| 15 assert_equals(document.fullscreenElement, div); |
| 16 |
| 17 document.onfullscreenchange = t.step_func(() => { |
| 18 assert_equals(document.fullscreenElement, null); |
| 19 // Done, but ensure that there's only one fullscreenchange event. |
| 20 document.onfullscreenchange = t.unreached_func("second fullscreenchange ev
ent"); |
| 21 setTimeout(t.step_func_done(), 0); |
| 22 }); |
| 23 |
| 24 // Exit fullscreen twice. |
| 25 document.exitFullscreen(); |
| 26 assert_equals(document.fullscreenElement, null, "fullscreenElement after fir
st exitFullscreen()"); |
| 27 document.exitFullscreen(); |
| 28 assert_equals(document.fullscreenElement, null, "fullscreenElement after sec
ond exitFullscreen()"); |
| 29 }); |
| 30 document.onfullscreenerror = t.unreached_func("fullscreenerror event"); |
| 31 |
| 32 trusted_request(div); |
| 33 }); |
| 34 </script> |
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