1 files changed, 41 insertions, 0 deletions
diff --git a/browser/base/content/test/urlbar/browser_urlbarPrivateBrowsingWindowChange.js b/browser/base/content/test/urlbar/browser_urlbarPrivateBrowsingWindowChange.js
new file mode 100644
index 000000000..5db0f0ea6
--- /dev/null
+++ b/browser/base/content/test/urlbar/browser_urlbarPrivateBrowsingWindowChange.js
@@ -0,0 +1,41 @@
+"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(function*() {
+  let urlbarTestValue = "Mary had a little lamb";
+  let win = OpenBrowserWindow({private: true});
+  yield BrowserTestUtils.waitForEvent(win, "load");
+  let urlbar = win.document.getElementById("urlbar");
+  urlbar.value = urlbarTestValue;
+  // Need this so the autocomplete controller attaches:
+  let focusEv = new FocusEvent("focus", {});
+  urlbar.dispatchEvent(focusEv);
+  // And so we know input happened:
+  let inputEv = new InputEvent("input", {data: "", view: win, bubbles: true});
+  urlbar.onInput(inputEv);
+  // Check it worked:
+  is(urlbar.value, urlbarTestValue, "URL bar value should be there");
+  is(win.gBrowser.selectedBrowser.userTypedValue, urlbarTestValue, "browser object should know the url bar value");
+
+  let continueTest;
+  let continuePromise = new Promise(resolve => continueTest = resolve);
+  let wpl = {
+    onLocationChange(aWebProgress, aRequest, aLocation) {
+      if (aLocation && aLocation.spec == "about:privatebrowsing") {
+        continueTest();
+      }
+    },
+  };
+  win.gBrowser.addProgressListener(wpl);
+
+  yield continuePromise;
+  is(urlbar.value, urlbarTestValue,
+     "URL bar value should be the same once about:privatebrowsing has loaded");
+  is(win.gBrowser.selectedBrowser.userTypedValue, urlbarTestValue,
+     "browser object should still know url bar value once about:privatebrowsing has loaded");
+  win.gBrowser.removeProgressListener(wpl);
+  yield BrowserTestUtils.closeWindow(win);
+});