62 lines
2.3 KiB
HTML
62 lines
2.3 KiB
HTML
<!DOCTYPE html>
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<title>Re-requesting fullscreen doesn't fail but doesn't change order</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="/resources/testdriver.js"></script>
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<script src="/resources/testdriver-vendor.js"></script>
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<script src="/common/top-layer.js"></script>
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<div class="elements">
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<div id="A">Element A</div>
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<div id="B">Element B</div>
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</div>
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<style>
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.elements > div {
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width: 200px;
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height: 200px;
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}
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#A { background: blue; }
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#B { background: green; }
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</style>
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<script>
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promise_test(async (t) => {
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t.add_cleanup(async () => {
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while (document.fullscreenElement)
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await document.exitFullscreen();
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});
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document.onfullscreenerror = () => assert_unreached('fullscreenerror should not happen');
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const A = document.getElementById('A');
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const B = document.getElementById('B');
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assert_true(!isTopLayer(A) && !isTopLayer(B));
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await blessTopLayer(document.body);
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await A.requestFullscreen();
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assert_equals(document.fullscreenElement, A, 'first A request');
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assert_true(isTopLayer(A), 'A top layer');
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await blessTopLayer(A);
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try {
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await B.requestFullscreen();
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} catch (error) {
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assert_unreached('The second call to requestFullscreen rejected - it should be possible to put siblings into fullscreen together');
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}
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assert_equals(document.fullscreenElement, B, 'B request');
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assert_true(isTopLayer(B), 'B top layer');
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assert_true(isTopLayer(A), 'A still top layer');
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await blessTopLayer(B);
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await A.requestFullscreen();
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assert_true(isTopLayer(A), 'A is still top layer');
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assert_true(isTopLayer(B), 'B is still top layer');
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assert_equals(document.fullscreenElement, A, 'A is moved back to the top of the top layer stack');
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assert_equals(document.elementFromPoint(10, 10), A, 'A should be topmost');
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await document.exitFullscreen();
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assert_equals(document.fullscreenElement, B, 'B goes back to being the fullscreen element');
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assert_true(isTopLayer(B), 'B is still top layer');
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assert_false(isTopLayer(A), 'A is no longer top layer');
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await document.exitFullscreen();
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assert_equals(document.fullscreenElement, null, 'Both closed');
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assert_false(isTopLayer(A), 'A is no longer top layer');
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assert_false(isTopLayer(B), 'B is no longer top layer');
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}, 'Requesting fullscreen on A, then B, then A');
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</script>
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