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diff --git a/dom/base/test/useractivation/test_useractivation_has_been_activated.html b/dom/base/test/useractivation/test_useractivation_has_been_activated.html
new file mode 100644
index 0000000000..f46618915b
--- /dev/null
+++ b/dom/base/test/useractivation/test_useractivation_has_been_activated.html
@@ -0,0 +1,115 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+  <title>User activation test: has been user gesture activated</title>
+  <script src="/tests/SimpleTest/SimpleTest.js"></script>
+  <script src="/tests/SimpleTest/EventUtils.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+<body>
+<iframe></iframe>
+<iframe></iframe>
+<script>
+
+function waitForEvent(aTarget, aEvent, aCallback) {
+  return new Promise((aResolve) => {
+    aTarget.addEventListener(aEvent, function listener(event) {
+      aCallback(event);
+      aResolve();
+    }, { once: true });
+  });
+}
+
+let [iframe0, iframe1] = document.querySelectorAll("iframe");
+
+function doCheck(aDocument, aName, aHasBeenUserGestureActivated) {
+  is(SpecialPowers.wrap(aDocument).hasBeenUserGestureActivated,
+     aHasBeenUserGestureActivated,
+     `check has-been-user-activated on the ${aName}`);
+  if (aHasBeenUserGestureActivated) {
+    ok(SpecialPowers.wrap(aDocument).lastUserGestureTimeStamp > 0,
+       `check last-user-gesture-timestamp on the ${aName}`);
+  } else {
+    is(SpecialPowers.wrap(aDocument).lastUserGestureTimeStamp, 0,
+       `check last-user-gesture-timestamp on the ${aName}`);
+  }
+}
+
+add_task(async function checkInitialStatus() {
+  doCheck(document, "top-level document", false);
+  doCheck(frames[0].document, "first iframe", false);
+  doCheck(frames[1].document, "second iframe", false);
+});
+
+add_task(async function triggerUserActivation() {
+  // Trigger user activation on the first iframe.
+  SpecialPowers.wrap(frames[0].document).notifyUserGestureActivation();
+  // We should also propagate to all the ancestors.
+  doCheck(document, "top-level document", true);
+  doCheck(frames[0].document, "first iframe", true);
+  doCheck(frames[1].document, "second iframe", false);
+});
+
+add_task(async function iframeNavigation() {
+  frames[0].frameElement.src = "file_empty.html";
+  await waitForEvent(frames[0].frameElement, "load", () => {});
+  // We should reset the flag on iframe that navigates away from current page,
+  // but the flag on its ancestor isn't changed.
+  doCheck(document, "top-level document", true);
+  doCheck(frames[0].document, "first iframe", false);
+  doCheck(frames[1].document, "second iframe", false);
+});
+
+add_task(async function triggerUserActivationOnCrossOriginFrame() {
+  // Reset the activation flag.
+  SpecialPowers.wrap(document).clearUserGestureActivation();
+  doCheck(document, "top-level document", false);
+
+  // load cross-origin test page on iframe.
+  frames[0].frameElement.src = "https://example.com/tests/dom/base/test/useractivation/file_iframe_user_activated.html";
+  await waitForEvent(window, "message", (event) => {
+    if (event.data === "done") {
+      doCheck(document, "top-level document", true);
+      doCheck(frames[1].document, "second iframe", false);
+    } else {
+      ok(false, "receive unexpected message: " + event.data);
+    }
+  });
+});
+
+add_task(async function propagateToSameOriginConnectedSubframe() {
+  // Reset the activation flag.
+  SpecialPowers.wrap(document).clearUserGestureActivation();
+
+  // load cross-origin test page on iframe.
+  iframe0.src = "https://example.com/tests/dom/base/test/useractivation/file_iframe_check_user_activation.html";
+  await waitForEvent(window, "message", (event) => {
+    if (event.data !== "loaded") {
+      ok(false, "receive unexpected message: " + event.data);
+    }
+  });
+
+  // Trigger user activation on top-level document.
+  SpecialPowers.wrap(document).notifyUserGestureActivation();
+  doCheck(document, "top-level document", true);
+  doCheck(iframe1.contentDocument, "second iframe", true);
+
+  iframe0.contentWindow.postMessage("get", "*");
+  await waitForEvent(window, "message", (event) => {
+    if (typeof event.data === "object") {
+      ok(!event.data.hasBeenActivated, "check has-been-user-activated on the first iframe");
+      is(event.data.lastActivationTimestamp, 0, "check last-user-gesture-timestamp on the first iframe");
+    } else {
+      ok(false, "receive unexpected message: " + event.data);
+    }
+  });
+});
+
+add_task(async function endTests() {
+  // Reset the activation flag in order not to interfere following test in the
+  // verify mode which would run the test using same document couple times.
+  SpecialPowers.wrap(document).clearUserGestureActivation();
+});
+
+</script>
+</body>