1 files changed, 84 insertions, 0 deletions
diff --git a/browser/components/extensions/test/browser/browser_ext_windows_incognito.js b/browser/components/extensions/test/browser/browser_ext_windows_incognito.js
new file mode 100644
index 0000000000..ef6d8a8eae
--- /dev/null
+++ b/browser/components/extensions/test/browser/browser_ext_windows_incognito.js
@@ -0,0 +1,84 @@
+/* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim: set sts=2 sw=2 et tw=80: */
+"use strict";
+
+add_task(async function test_window_incognito() {
+  const url =
+    "http://mochi.test:8888/browser/browser/components/extensions/test/browser/file_iframe_document.html";
+
+  let extension = ExtensionTestUtils.loadExtension({
+    manifest: {
+      permissions: ["http://mochi.test/"],
+    },
+    background() {
+      let lastFocusedWindowId = null;
+      // Catch focus change events to power the test below.
+      browser.windows.onFocusChanged.addListener(function listener(
+        eventWindowId
+      ) {
+        lastFocusedWindowId = eventWindowId;
+        browser.windows.onFocusChanged.removeListener(listener);
+      });
+
+      browser.test.onMessage.addListener(async pbw => {
+        browser.test.assertEq(
+          browser.windows.WINDOW_ID_NONE,
+          lastFocusedWindowId,
+          "Focus on private window sends the event, but doesn't reveal windowId (without permissions)"
+        );
+
+        await browser.test.assertRejects(
+          browser.windows.get(pbw.windowId),
+          /Invalid window ID/,
+          "should not be able to get incognito window"
+        );
+        await browser.test.assertRejects(
+          browser.windows.remove(pbw.windowId),
+          /Invalid window ID/,
+          "should not be able to remove incognito window"
+        );
+        await browser.test.assertRejects(
+          browser.windows.getCurrent(),
+          /Invalid window/,
+          "should not be able to get incognito top window"
+        );
+        await browser.test.assertRejects(
+          browser.windows.getLastFocused(),
+          /Invalid window/,
+          "should not be able to get incognito focused window"
+        );
+        await browser.test.assertRejects(
+          browser.windows.create({ incognito: true }),
+          /Extension does not have permission for incognito mode/,
+          "should not be able to create incognito window"
+        );
+        await browser.test.assertRejects(
+          browser.windows.update(pbw.windowId, { focused: true }),
+          /Invalid window ID/,
+          "should not be able to update incognito window"
+        );
+
+        let windows = await browser.windows.getAll();
+        browser.test.assertEq(
+          1,
+          windows.length,
+          "unable to get incognito window"
+        );
+
+        browser.test.notifyPass("pass");
+      });
+    },
+  });
+
+  await extension.startup();
+
+  // The tests expect the incognito window to be
+  // created after the extension is started, so think
+  // carefully when moving this line.
+  let winData = await getIncognitoWindow(url);
+
+  extension.sendMessage(winData.details);
+  await extension.awaitFinish("pass");
+  await BrowserTestUtils.closeWindow(winData.win);
+  await extension.unload();
+});