Verify that VERSION_CHANGE transactions are rolled back after crash.

chrome/test/functional/indexeddb.py

Index: chrome/test/functional/indexeddb.py
diff --git a/chrome/test/functional/indexeddb.py b/chrome/test/functional/indexeddb.py
index df9b45c684d7d3b7bd9a9e396aab5a29827b3855..94ae9d861eaf53bf29d7ce0af6ff076556a97290 100644
--- a/chrome/test/functional/indexeddb.py
+++ b/chrome/test/functional/indexeddb.py
@@ -10,6 +10,11 @@ import pyauto
 class IndexedDBTest(pyauto.PyUITest):
   """Test of IndexedDB."""
 
+  def _CrashBrowser(self):
+    """Crashes the browser by navigating to special URL"""
+    crash_url = 'about:inducebrowsercrashforrealz'
+    self.NavigateToURL(crash_url)
+
   def _GetTestResult(self):
     """Returns the result of an asynchronous test"""
     js = """
@@ -26,7 +31,7 @@ class IndexedDBTest(pyauto.PyUITest):
   def testIndexedDBNullKeyPathPersistence(self):
     """Verify null key path persists after restarting browser."""
 
-    url = self.GetFileURLForDataPath('indexeddb', 'bug_90635.html')
+    url = self.GetHttpURLForDataPath('indexeddb', 'bug_90635.html')
 
     self.NavigateToURL(url)
     self._WaitForTestResult()
@@ -42,5 +47,30 @@ class IndexedDBTest(pyauto.PyUITest):
                      'pass - second run',
                      msg='Key paths had unexpected values')
 
+  def testVersionChangeCrashResilience(self):
+    """Verify that a VERSION_CHANGE transaction is rolled back
+    after a renderer/browser crash"""
+
+    url = self.GetHttpURLForDataPath('indexeddb', 'version_change_crash.html')
+
+    self.NavigateToURL(url + '#part1')
+    self.assertTrue(self.WaitUntil(
+        lambda: self._GetTestResult() == 'part1 - complete'))
+
+    self.RestartBrowser(clear_profile=False)
+
+    self.NavigateToURL(url + '#part2')
+    self.assertTrue(self.WaitUntil(
+        lambda: self._GetTestResult() != 'part2 - crash me'))
+    self._CrashBrowser()
+
+    self.RestartBrowser(clear_profile=False)
+
+    self.NavigateToURL(url + '#part3')
+    self._WaitForTestResult()
+    self.assertEqual(self._GetTestResult(),
+                     'part3 - pass',
+                     msg='VERSION_CHANGE not completely aborted')
+
 if __name__ == '__main__':
   pyauto_functional.Main()