1 files changed, 58 insertions, 0 deletions
diff --git a/toolkit/components/startup/tests/browser/browser_bug537449.js b/toolkit/components/startup/tests/browser/browser_bug537449.js
new file mode 100644
index 0000000000..1b54117a7d
--- /dev/null
+++ b/toolkit/components/startup/tests/browser/browser_bug537449.js
@@ -0,0 +1,58 @@
+/* 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";
+
+SpecialPowers.pushPrefEnv({
+  set: [["dom.require_user_interaction_for_beforeunload", false]],
+});
+
+const TEST_URL =
+  "http://example.com/browser/toolkit/components/startup/tests/browser/beforeunload.html";
+
+function test() {
+  waitForExplicitFinish();
+
+  gBrowser.selectedTab = BrowserTestUtils.addTab(gBrowser, TEST_URL);
+  let browser = gBrowser.selectedBrowser;
+
+  whenBrowserLoaded(browser, function () {
+    let seenDialog = false;
+
+    // Cancel the prompt the first time.
+    waitForOnBeforeUnloadDialog(browser, (btnLeave, btnStay) => {
+      seenDialog = true;
+      btnStay.click();
+    });
+
+    Services.startup.quit(Ci.nsIAppStartup.eAttemptQuit);
+    ok(seenDialog, "Should have seen a prompt dialog");
+    ok(!window.closed, "Shouldn't have closed the window");
+
+    let win2 = window.openDialog(
+      location,
+      "",
+      "chrome,all,dialog=no",
+      "about:blank"
+    );
+    Assert.notEqual(win2, null, "Should have been able to open a new window");
+    win2.addEventListener(
+      "load",
+      () => {
+        executeSoon(() => {
+          win2.close();
+
+          // Leave the page the second time.
+          waitForOnBeforeUnloadDialog(browser, (btnLeave, btnStay) => {
+            btnLeave.click();
+          });
+
+          gBrowser.removeTab(gBrowser.selectedTab);
+          finish();
+        });
+      },
+      { once: true }
+    );
+  });
+}