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-rw-r--r--testing/web-platform/tests/fullscreen/api/element-request-fullscreen-non-top.html28
1 files changed, 28 insertions, 0 deletions
diff --git a/testing/web-platform/tests/fullscreen/api/element-request-fullscreen-non-top.html b/testing/web-platform/tests/fullscreen/api/element-request-fullscreen-non-top.html
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index 0000000000..9bed70d695
--- /dev/null
+++ b/testing/web-platform/tests/fullscreen/api/element-request-fullscreen-non-top.html
@@ -0,0 +1,28 @@
+<!DOCTYPE html>
+<title>
+ Element#requestFullscreen() for non-top element in fullscreen element stack
+</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/resources/testdriver.js"></script>
+<script src="/resources/testdriver-vendor.js"></script>
+<script src="../trusted-click.js"></script>
+<div id="log"></div>
+<div id="first">
+ <div id="last"></div>
+</div>
+<script>
+ promise_test(async (t) => {
+ const first = document.getElementById("first");
+ const last = document.getElementById("last");
+
+ await Promise.all([trusted_request(first), fullScreenChange()]);
+ assert_equals(document.fullscreenElement, first);
+
+ await Promise.all([trusted_request(last), fullScreenChange()]);
+ assert_equals(document.fullscreenElement, last);
+
+ await Promise.all([trusted_request(first, last), fullScreenChange()]);
+ assert_equals(document.fullscreenElement, first);
+ });
+</script>