1 files changed, 50 insertions, 0 deletions
diff --git a/js/xpconnect/tests/browser/browser_promise_userInteractionHandling.js b/js/xpconnect/tests/browser/browser_promise_userInteractionHandling.js
new file mode 100644
index 0000000000..612471be53
--- /dev/null
+++ b/js/xpconnect/tests/browser/browser_promise_userInteractionHandling.js
@@ -0,0 +1,50 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+"use strict";
+
+add_task(async function test_explicit_object_prototype() {
+  const url =
+    "http://mochi.test:8888/browser/js/xpconnect/tests/browser/browser_promise_userInteractionHandling.html";
+  await BrowserTestUtils.withNewTab(url, async browser => {
+    await SpecialPowers.spawn(browser, [], async () => {
+      const DOMWindowUtils = EventUtils._getDOMWindowUtils(content.window);
+      is(
+        DOMWindowUtils.isHandlingUserInput,
+        false,
+        "not yet handling user input"
+      );
+      const button = content.document.getElementById("button");
+
+      let resolve;
+      const p = new Promise(r => {
+        resolve = r;
+      });
+
+      button.addEventListener("click", () => {
+        is(DOMWindowUtils.isHandlingUserInput, true, "handling user input");
+        content.document.hasStorageAccess().then(() => {
+          is(
+            DOMWindowUtils.isHandlingUserInput,
+            true,
+            "still handling user input"
+          );
+          Promise.resolve().then(() => {
+            is(
+              DOMWindowUtils.isHandlingUserInput,
+              false,
+              "no more handling user input"
+            );
+            resolve();
+          });
+        });
+      });
+
+      EventUtils.synthesizeMouseAtCenter(button, {}, content.window);
+
+      await p;
+    });
+  });
+});