1 files changed, 34 insertions, 0 deletions
diff --git a/dom/base/test/fullscreen/file_fullscreen-featurePolicy-inner.html b/dom/base/test/fullscreen/file_fullscreen-featurePolicy-inner.html
new file mode 100644
index 0000000000..844684b054
--- /dev/null
+++ b/dom/base/test/fullscreen/file_fullscreen-featurePolicy-inner.html
@@ -0,0 +1,34 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="UTF-8">
+</head>
+<body onload="doRequestFullscreen()">
+<script>
+function doRequestFullscreen() {
+  let isChrome = location.search.includes("chrome");
+
+  function handler(evt) {
+    document.removeEventListener("fullscreenchange", handler);
+    document.removeEventListener("fullscreenerror", handler);
+    const enabled = isChrome ? SpecialPowers.wrap(document).fullscreenEnabled
+                             : document.fullscreenEnabled;
+    if (evt.type == "fullscreenchange") {
+      document.addEventListener("fullscreenchange", () => parent.continueTest(evt.type, enabled), {once: true});
+      document.exitFullscreen();
+    } else {
+      parent.continueTest(evt.type, enabled);
+    }
+  }
+  document.addEventListener("fullscreenchange", handler);
+  document.addEventListener("fullscreenerror", handler);
+  parent.opener.info("Requesting fullscreen");
+  if (isChrome) {
+    SpecialPowers.wrap(document.documentElement).requestFullscreen();
+  } else {
+    document.documentElement.requestFullscreen();
+  }
+}
+</script>
+</body>
+</html>