1 files changed, 88 insertions, 0 deletions
diff --git a/browser/components/privatebrowsing/test/browser/browser_privatebrowsing_sidebar.js b/browser/components/privatebrowsing/test/browser/browser_privatebrowsing_sidebar.js
new file mode 100644
index 0000000000..58a333bfdb
--- /dev/null
+++ b/browser/components/privatebrowsing/test/browser/browser_privatebrowsing_sidebar.js
@@ -0,0 +1,88 @@
+/* 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/. */
+
+// This test makes sure that Sidebars do not migrate across windows with
+// different privacy states
+
+// See Bug 885054: https://bugzilla.mozilla.org/show_bug.cgi?id=885054
+
+function test() {
+  waitForExplicitFinish();
+
+  // opens a sidebar
+  function openSidebar(win) {
+    return win.SidebarUI.show("viewBookmarksSidebar").then(() => win);
+  }
+
+  let windowCache = [];
+  function cacheWindow(w) {
+    windowCache.push(w);
+    return w;
+  }
+  function closeCachedWindows() {
+    windowCache.forEach(w => w.close());
+  }
+
+  // Part 1: NON PRIVATE WINDOW -> PRIVATE WINDOW
+  openWindow(window, {}, 1)
+    .then(cacheWindow)
+    .then(openSidebar)
+    .then(win => openWindow(win, { private: true }))
+    .then(cacheWindow)
+    .then(function ({ document }) {
+      let sidebarBox = document.getElementById("sidebar-box");
+      is(
+        sidebarBox.hidden,
+        true,
+        "Opening a private window from reg window does not open the sidebar"
+      );
+    })
+    .then(closeCachedWindows)
+    // Part 2: NON PRIVATE WINDOW -> NON PRIVATE WINDOW
+    .then(() => openWindow(window))
+    .then(cacheWindow)
+    .then(openSidebar)
+    .then(win => openWindow(win))
+    .then(cacheWindow)
+    .then(function ({ document }) {
+      let sidebarBox = document.getElementById("sidebar-box");
+      is(
+        sidebarBox.hidden,
+        false,
+        "Opening a reg window from reg window does open the sidebar"
+      );
+    })
+    .then(closeCachedWindows)
+    // Part 3: PRIVATE WINDOW -> NON PRIVATE WINDOW
+    .then(() => openWindow(window, { private: true }))
+    .then(cacheWindow)
+    .then(openSidebar)
+    .then(win => openWindow(win))
+    .then(cacheWindow)
+    .then(function ({ document }) {
+      let sidebarBox = document.getElementById("sidebar-box");
+      is(
+        sidebarBox.hidden,
+        true,
+        "Opening a reg window from a private window does not open the sidebar"
+      );
+    })
+    .then(closeCachedWindows)
+    // Part 4: PRIVATE WINDOW -> PRIVATE WINDOW
+    .then(() => openWindow(window, { private: true }))
+    .then(cacheWindow)
+    .then(openSidebar)
+    .then(win => openWindow(win, { private: true }))
+    .then(cacheWindow)
+    .then(function ({ document }) {
+      let sidebarBox = document.getElementById("sidebar-box");
+      is(
+        sidebarBox.hidden,
+        false,
+        "Opening a private window from private window does open the sidebar"
+      );
+    })
+    .then(closeCachedWindows)
+    .then(finish);
+}