1 files changed, 24 insertions, 0 deletions
diff --git a/browser/components/customizableui/test/browser_customizemode_contextmenu_menubuttonstate.js b/browser/components/customizableui/test/browser_customizemode_contextmenu_menubuttonstate.js
new file mode 100644
index 000000000..8e1950291
--- /dev/null
+++ b/browser/components/customizableui/test/browser_customizemode_contextmenu_menubuttonstate.js
@@ -0,0 +1,24 @@
+"use strict";
+
+add_task(function*() {
+  ok(!PanelUI.menuButton.hasAttribute("open"), "Menu button should not be 'pressed' outside customize mode");
+  yield startCustomizing();
+
+  is(PanelUI.menuButton.getAttribute("open"), "true", "Menu button should be 'pressed' when in customize mode");
+
+  let contextMenu = document.getElementById("customizationPanelItemContextMenu");
+  let shownPromise = popupShown(contextMenu);
+  let newWindowButton = document.getElementById("wrapper-new-window-button");
+  EventUtils.synthesizeMouse(newWindowButton, 2, 2, {type: "contextmenu", button: 2});
+  yield shownPromise;
+  is(PanelUI.menuButton.getAttribute("open"), "true", "Menu button should be 'pressed' when in customize mode after opening a context menu");
+
+  let hiddenContextPromise = popupHidden(contextMenu);
+  contextMenu.hidePopup();
+  yield hiddenContextPromise;
+  is(PanelUI.menuButton.getAttribute("open"), "true", "Menu button should be 'pressed' when in customize mode after hiding a context menu");
+  yield endCustomizing();
+
+  ok(!PanelUI.menuButton.hasAttribute("open"), "Menu button should not be 'pressed' after ending customize mode");
+});
+