1 files changed, 51 insertions, 0 deletions
diff --git a/browser/components/urlbar/tests/browser/browser_privateBrowsingWindowChange.js b/browser/components/urlbar/tests/browser/browser_privateBrowsingWindowChange.js
new file mode 100644
index 0000000000..eeeda93687
--- /dev/null
+++ b/browser/components/urlbar/tests/browser/browser_privateBrowsingWindowChange.js
@@ -0,0 +1,51 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+/**
+ * Test that when opening a private browsing window and typing in it before
+ * about:privatebrowsing loads, we don't clear the URL bar.
+ */
+add_task(async function () {
+  let urlbarTestValue = "Mary had a little lamb";
+  let win = OpenBrowserWindow({ private: true });
+  registerCleanupFunction(() => BrowserTestUtils.closeWindow(win));
+  await BrowserTestUtils.waitForEvent(win, "load");
+  let promise = new Promise(resolve => {
+    let wpl = {
+      onLocationChange(aWebProgress, aRequest, aLocation) {
+        if (aLocation && aLocation.spec == "about:privatebrowsing") {
+          win.gBrowser.removeProgressListener(wpl);
+          resolve();
+        }
+      },
+    };
+    win.gBrowser.addProgressListener(wpl);
+  });
+  Assert.notEqual(
+    win.gBrowser.selectedBrowser.currentURI.spec,
+    "about:privatebrowsing",
+    "Check privatebrowsing page has not been loaded yet"
+  );
+  info("Search in urlbar");
+  await UrlbarTestUtils.promiseAutocompleteResultPopup({
+    window: win,
+    value: urlbarTestValue,
+    fireInputEvent: true,
+  });
+  info("waiting for about:privatebrowsing load");
+  await promise;
+
+  let urlbar = win.gURLBar;
+  is(
+    urlbar.value,
+    urlbarTestValue,
+    "URL bar value should be the same once about:privatebrowsing has loaded"
+  );
+  is(
+    win.gBrowser.selectedBrowser.userTypedValue,
+    urlbarTestValue,
+    "User typed value should be the same once about:privatebrowsing has loaded"
+  );
+});