1 files changed, 38 insertions, 0 deletions
diff --git a/browser/base/content/test/general/browser_bug495058.js b/browser/base/content/test/general/browser_bug495058.js
new file mode 100644
index 000000000..a82c6c931
--- /dev/null
+++ b/browser/base/content/test/general/browser_bug495058.js
@@ -0,0 +1,38 @@
+/**
+ * Tests that the right elements of a tab are focused when it is
+ * torn out into its own window.
+ */
+
+const URIS = [
+  "about:blank",
+  "about:sessionrestore",
+  "about:privatebrowsing",
+];
+
+add_task(function*() {
+  for (let uri of URIS) {
+    let tab = gBrowser.addTab();
+    yield BrowserTestUtils.loadURI(tab.linkedBrowser, uri);
+
+    let win = gBrowser.replaceTabWithWindow(tab);
+    yield TestUtils.topicObserved("browser-delayed-startup-finished",
+                                  subject => subject == win);
+    tab = win.gBrowser.selectedTab;
+
+    // BrowserTestUtils doesn't get the add-on shims, which means that
+    // MozAfterPaint won't get shimmed over if we add an event handler
+    // for it in the parent.
+    if (tab.linkedBrowser.isRemoteBrowser) {
+      yield BrowserTestUtils.waitForContentEvent(tab.linkedBrowser, "MozAfterPaint");
+    } else {
+      yield BrowserTestUtils.waitForEvent(tab.linkedBrowser, "MozAfterPaint");
+    }
+
+    Assert.equal(win.gBrowser.currentURI.spec, uri, uri + ": uri loaded in detached tab");
+    Assert.equal(win.document.activeElement, win.gBrowser.selectedBrowser, uri + ": browser is focused");
+    Assert.equal(win.gURLBar.value, "", uri + ": urlbar is empty");
+    Assert.ok(win.gURLBar.placeholder, uri + ": placeholder text is present");
+
+    yield BrowserTestUtils.closeWindow(win);
+  }
+});