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56 lines
2 KiB
HTML
56 lines
2 KiB
HTML
<!DOCTYPE html>
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<html class="reftest-wait">
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<title>
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Test that display:contents on fullscreen elements acts like
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display:block
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</title>
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<meta charset="utf-8" />
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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="../trusted-click.js"></script>
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<link rel="author" href="mailto:masonf@chromium.org" />
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<link
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rel="help"
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href="https://fullscreen.spec.whatwg.org/#new-stacking-layer"
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/>
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<div id="target"></div>
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<style>
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#target {
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display: contents;
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background-color: green;
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}
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#target::backdrop {
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display: contents;
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}
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</style>
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<script>
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promise_test(async (t) => {
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const target = document.querySelector("#target");
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await test_driver.bless("fullscreen");
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await target.requestFullscreen();
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await new Promise((resolve) => requestAnimationFrame(resolve));
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assert_equals(document.fullscreenElement, target);
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assert_equals(
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getComputedStyle(target).display,
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"block",
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"fullscreen element should have display:block"
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);
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assert_equals(
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getComputedStyle(target, "::backdrop").display,
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"block",
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"fullscreen element's ::backdrop should have display:block"
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);
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await document.exitFullscreen();
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new Promise((resolve) => requestAnimationFrame(resolve));
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assert_equals(document.fullscreenElement, null);
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assert_equals(
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getComputedStyle(target).display,
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"contents",
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"fullscreen element should have display:contents after exiting fullscreen"
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);
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});
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</script>
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</html>
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