[ChromeDriver] Select the main frame if a non-existant child frame is targeted.

chrome/test/chromedriver/run_py_tests.py

 #!/usr/bin/env python
 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """End to end tests for ChromeDriver."""
 
 import ctypes
 import optparse
 import os
@@ skipping 68 matching lines @@
     self.assertTrue(self._driver.ExecuteScript('return window.top != window'))
     self._driver.SwitchToMainFrame()
     self.assertTrue(self._driver.ExecuteScript('return window.top == window'))
     self._driver.SwitchToFrame('name')
     self.assertTrue(self._driver.ExecuteScript('return window.top != window'))
     self._driver.SwitchToMainFrame()
     self.assertTrue(self._driver.ExecuteScript('return window.top == window'))
     self._driver.SwitchToFrameByIndex(0)
     self.assertTrue(self._driver.ExecuteScript('return window.top != window'))
 
+  def testExecuteInRemovedFrame(self):
+    self._driver.ExecuteScript(
+        'var frame = document.createElement("iframe");'
+        'frame.id="id";'
+        'frame.name="name";'
+        'document.body.appendChild(frame);'
+        'window.addEventListener("message",'
+        '    function(event) { document.body.removeChild(frame); });')
+    self.assertTrue(self._driver.ExecuteScript('return window.top == window'))
+    self._driver.SwitchToFrame('id')
+    self.assertTrue(self._driver.ExecuteScript('return window.top != window'))
+    self._driver.ExecuteScript('parent.postMessage("remove", "*");')
+    self.assertTrue(self._driver.ExecuteScript('return window.top == window'))
+
   def testGetTitle(self):
     script = 'document.title = "title"; return 1;'
     self.assertEquals(1, self._driver.ExecuteScript(script))
     self.assertEquals('title', self._driver.GetTitle())
 
   def testFindElement(self):
     self._driver.ExecuteScript(
         'document.body.innerHTML = "<div>a</div><div>b</div>";')
     self.assertTrue(
         isinstance(self._driver.FindElement('tag name', 'div'), WebElement))
@@ skipping 178 matching lines @@
   global _ANDROID_PACKAGE
   _ANDROID_PACKAGE = options.android_package
 
   all_tests_suite = unittest.defaultTestLoader.loadTestsFromModule(
       sys.modules[__name__])
   tests = unittest_util.FilterTestSuite(all_tests_suite, options.filter)
   ChromeDriverTest.GlobalSetUp()
   result = unittest.TextTestRunner().run(tests)
   ChromeDriverTest.GlobalTearDown()
   sys.exit(len(result.failures) + len(result.errors))