1 files changed, 68 insertions, 0 deletions
diff --git a/dom/base/test/browser_bug1703472.js b/dom/base/test/browser_bug1703472.js
new file mode 100644
index 0000000000..2488308d6d
--- /dev/null
+++ b/dom/base/test/browser_bug1703472.js
@@ -0,0 +1,68 @@
+/* -*- Mode: JavaScript; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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/. */
+
+const BASE_URL = "http://mochi.test:8888/browser/dom/base/test/";
+
+add_task(async function bug1703472() {
+  await SpecialPowers.pushPrefEnv({
+    set: [
+      ["dom.block_multiple_popups", true],
+      ["dom.disable_open_during_load", true],
+    ],
+  });
+
+  await BrowserTestUtils.withNewTab(
+    BASE_URL + "file_bug1703472.html",
+    async function(browser) {
+      info("Opening popup");
+      let win = await newFocusedWindow(function() {
+        return BrowserTestUtils.synthesizeMouseAtCenter(
+          "#openWindow",
+          {},
+          browser
+        );
+      });
+
+      info("re-focusing the original window");
+      {
+        let focusBack = BrowserTestUtils.waitForEvent(window, "focus", true);
+        window.focus();
+        await focusBack;
+        is(Services.focus.focusedWindow, window, "should focus back");
+      }
+
+      // The click to do window.open() should've consumed the user interaction,
+      // and an artificial .click() shouldn't count as a user interaction, so the
+      // page shouldn't be allowed to focus it again without user interaction.
+      info("Trying to steal focus without interaction");
+      await SpecialPowers.spawn(browser, [], function() {
+        content.document.querySelector("#focusWindow").click();
+      });
+
+      // We need to wait for something _not_ happening, so we need to use an arbitrary setTimeout.
+      await new Promise(resolve => {
+        // eslint-disable-next-line mozilla/no-arbitrary-setTimeout
+        setTimeout(resolve, 500);
+      });
+
+      is(Services.focus.focusedWindow, window, "should still be focused");
+
+      info("Trying to move focus with user interaction");
+      {
+        let focus = BrowserTestUtils.waitForEvent(win, "focus", true);
+        await BrowserTestUtils.synthesizeMouseAtCenter(
+          "#focusWindow",
+          {},
+          browser
+        );
+        await focus;
+        is(Services.focus.focusedWindow, win, "should focus back");
+      }
+
+      win.close();
+    }
+  );
+});