1 files changed, 71 insertions, 0 deletions
diff --git a/browser/components/privatebrowsing/test/browser/browser_privatebrowsing_newtab_from_popup.js b/browser/components/privatebrowsing/test/browser/browser_privatebrowsing_newtab_from_popup.js
new file mode 100644
index 0000000000..9e6f556669
--- /dev/null
+++ b/browser/components/privatebrowsing/test/browser/browser_privatebrowsing_newtab_from_popup.js
@@ -0,0 +1,71 @@
+/**
+ * Tests that a popup window in private browsing window opens
+ * new tab links in the original private browsing window as
+ * new tabs.
+ *
+ * This is a regression test for bug 1202634.
+ */
+
+// We're able to sidestep some quote-escaping issues when
+// nesting data URI's by encoding the second data URI in
+// base64.
+const POPUP_BODY_BASE64 = btoa(`<a href="http://example.com/" target="_blank"
+                                   id="second">
+                                  Now click this
+                                </a>`);
+const POPUP_LINK = `data:text/html;charset=utf-8;base64,${POPUP_BODY_BASE64}`;
+const WINDOW_BODY = `data:text/html,
+                     <a href="%23" id="first"
+                        onclick="window.open('${POPUP_LINK}', '_blank',
+                                             'width=630,height=500')">
+                       First click this.
+                     </a>`;
+
+add_task(async function test_private_popup_window_opens_private_tabs() {
+  // allow top level data: URI navigations, otherwise clicking a data: link fails
+  await SpecialPowers.pushPrefEnv({
+    set: [["security.data_uri.block_toplevel_data_uri_navigations", false]],
+  });
+  let privWin = await BrowserTestUtils.openNewBrowserWindow({ private: true });
+
+  // Sanity check - this browser better be private.
+  ok(
+    PrivateBrowsingUtils.isWindowPrivate(privWin),
+    "Opened a private browsing window."
+  );
+
+  // First, open a private browsing window, and load our
+  // testing page.
+  let privBrowser = privWin.gBrowser.selectedBrowser;
+  BrowserTestUtils.loadURIString(privBrowser, WINDOW_BODY);
+  await BrowserTestUtils.browserLoaded(privBrowser);
+
+  // Next, click on the link in the testing page, and ensure
+  // that a private popup window is opened.
+  let openedPromise = BrowserTestUtils.waitForNewWindow({ url: POPUP_LINK });
+
+  await BrowserTestUtils.synthesizeMouseAtCenter("#first", {}, privBrowser);
+  let popupWin = await openedPromise;
+  ok(
+    PrivateBrowsingUtils.isWindowPrivate(popupWin),
+    "Popup window was private."
+  );
+
+  // Now click on the link in the popup, and ensure that a new
+  // tab is opened in the original private browsing window.
+  let newTabPromise = BrowserTestUtils.waitForNewTab(privWin.gBrowser);
+  let popupBrowser = popupWin.gBrowser.selectedBrowser;
+  await BrowserTestUtils.synthesizeMouseAtCenter("#second", {}, popupBrowser);
+  let newPrivTab = await newTabPromise;
+
+  // Ensure that the newly created tab's browser is private.
+  ok(
+    PrivateBrowsingUtils.isBrowserPrivate(newPrivTab.linkedBrowser),
+    "Newly opened tab should be private."
+  );
+
+  // Clean up
+  BrowserTestUtils.removeTab(newPrivTab);
+  await BrowserTestUtils.closeWindow(popupWin);
+  await BrowserTestUtils.closeWindow(privWin);
+});