1 files changed, 54 insertions, 0 deletions
diff --git a/browser/components/customizableui/test/browser_947914_button_print.js b/browser/components/customizableui/test/browser_947914_button_print.js
new file mode 100644
index 0000000000..96d2328b2d
--- /dev/null
+++ b/browser/components/customizableui/test/browser_947914_button_print.js
@@ -0,0 +1,54 @@
+/* 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";
+
+const isOSX = Services.appinfo.OS === "Darwin";
+
+add_task(async function () {
+  CustomizableUI.addWidgetToArea(
+    "print-button",
+    CustomizableUI.AREA_FIXED_OVERFLOW_PANEL
+  );
+  registerCleanupFunction(() => CustomizableUI.reset());
+  await BrowserTestUtils.withNewTab(
+    {
+      gBrowser,
+      url: "http://example.com/",
+    },
+    async function () {
+      info("Check print button existence and functionality");
+
+      await waitForOverflowButtonShown();
+
+      await document.getElementById("nav-bar").overflowable.show();
+      info("Menu panel was opened");
+
+      await TestUtils.waitForCondition(
+        () => document.getElementById("print-button") != null
+      );
+
+      let printButton = document.getElementById("print-button");
+      ok(printButton, "Print button exists in Panel Menu");
+
+      printButton.click();
+
+      // Ensure we're showing the preview...
+      await BrowserTestUtils.waitForCondition(() => {
+        let preview = document.querySelector(".printPreviewBrowser");
+        return preview && BrowserTestUtils.is_visible(preview);
+      });
+
+      ok(true, "Entered print preview mode");
+
+      gBrowser.getTabDialogBox(gBrowser.selectedBrowser).abortAllDialogs();
+      // Wait for the preview to go away
+      await BrowserTestUtils.waitForCondition(
+        () => !document.querySelector(".printPreviewBrowser")
+      );
+
+      info("Exited print preview");
+    }
+  );
+});