A command line flag to simulate an unrecoverable error.

The error is thrown right after initialization.
BUG=101304
TEST=sync_unit_tests.exe, sync_integration_tests.exe, unit_tests.exe, manual test


Review URL: http://codereview.chromium.org/9008045

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@115921 0039d316-1c4b-4281-b951-d872f2087c98

3 files changed, 19 insertions, 0 deletions

diff --git a/chrome/browser/sync/internal_api/sync_manager.cc b/chrome/browser/sync/internal_api/sync_manager.cc
index 723cbf7..709c61d 100644
--- a/chrome/browser/sync/internal_api/sync_manager.cc
+++ b/chrome/browser/sync/internal_api/sync_manager.cc
@@ -922,6 +922,19 @@ bool SyncManager::SyncInternal::Init(
 
   sync_notifier_->AddObserver(this);
 
+  // Now check the command line to see if we need to simulate an
+  // unrecoverable error for testing purpose. Note the error is thrown
+  // only if the initialization succeeded. Also it makes sense to use this
+  // flag only when restarting the browser with an account already setup. If
+  // you use this before setting up the setup would not succeed as an error
+  // would be encountered.
+  if (CommandLine::ForCurrentProcess()->HasSwitch(
+          switches::kSyncThrowUnrecoverableError)) {
+    ReadTransaction trans(FROM_HERE, GetUserShare());
+    trans.GetWrappedTrans()->OnUnrecoverableError(FROM_HERE,
+        "Simulating unrecoverable error for testing purpose.");
+  }
+
   return signed_in;
 }
 
diff --git a/chrome/common/chrome_switches.cc b/chrome/common/chrome_switches.cc
index 377b1f6..f1bc80d 100644
--- a/chrome/common/chrome_switches.cc
+++ b/chrome/common/chrome_switches.cc
@@ -1081,6 +1081,11 @@ const char kSyncNotificationHost[]          = "sync-notification-host";
 // Overrides the default server used for profile sync.
 const char kSyncServiceURL[]                = "sync-url";
 
+// Makes the sync code to throw an unrecoverable error after initialization.
+// Useful for testing unrecoverable error scenarios.
+const char kSyncThrowUnrecoverableError[]   = "sync-throw-unrecoverable-error";
+
+
 // Tries to connect to XMPP using SSLTCP first (for testing).
 const char kSyncTrySsltcpFirstForXmpp[]     = "sync-try-ssltcp-first-for-xmpp";
 
diff --git a/chrome/common/chrome_switches.h b/chrome/common/chrome_switches.h
index eb75552..ee34bc3 100644
--- a/chrome/common/chrome_switches.h
+++ b/chrome/common/chrome_switches.h
@@ -294,6 +294,7 @@ extern const char kSyncerThreadTimedStop[];
 extern const char kSyncNotificationMethod[];
 extern const char kSyncNotificationHost[];
 extern const char kSyncServiceURL[];
+extern const char kSyncThrowUnrecoverableError[];
 extern const char kSyncTrySsltcpFirstForXmpp[];
 extern const char kTestNaClSandbox[];
 extern const char kTestName[];