1 files changed, 57 insertions, 0 deletions
diff --git a/browser/base/content/test/general/browser_bug763468_perwindowpb.js b/browser/base/content/test/general/browser_bug763468_perwindowpb.js
new file mode 100644
index 0000000000..2aaec9a7b6
--- /dev/null
+++ b/browser/base/content/test/general/browser_bug763468_perwindowpb.js
@@ -0,0 +1,57 @@
+/* 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";
+
+// This test makes sure that opening a new tab in private browsing mode opens about:privatebrowsing
+add_task(async function testPBNewTab() {
+  registerCleanupFunction(async function() {
+    for (let win of windowsToClose) {
+      await BrowserTestUtils.closeWindow(win);
+    }
+  });
+
+  let windowsToClose = [];
+
+  async function doTest(aIsPrivateMode) {
+    let newTabURL;
+    let mode;
+    let win = await BrowserTestUtils.openNewBrowserWindow({
+      private: aIsPrivateMode,
+    });
+    windowsToClose.push(win);
+
+    if (aIsPrivateMode) {
+      mode = "per window private browsing";
+      newTabURL = "about:privatebrowsing";
+    } else {
+      mode = "normal";
+      newTabURL = "about:newtab";
+    }
+    await openNewTab(win, newTabURL);
+
+    is(
+      win.gBrowser.currentURI.spec,
+      newTabURL,
+      "URL of NewTab should be " + newTabURL + " in " + mode + " mode"
+    );
+  }
+
+  await doTest(false);
+  await doTest(true);
+  await doTest(false);
+});
+
+async function openNewTab(aWindow, aExpectedURL) {
+  // Open a new tab
+  aWindow.BrowserOpenTab();
+  let browser = aWindow.gBrowser.selectedBrowser;
+
+  // We're already loaded.
+  if (browser.currentURI.spec === aExpectedURL) {
+    return;
+  }
+
+  // Wait for any location change.
+  await BrowserTestUtils.waitForLocationChange(aWindow.gBrowser);
+}