sync: Make BaseNode lookup-related Init functions return specific failures.

chrome/browser/sync/profile_sync_service_autofill_unittest.cc

 // 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.
 
 #include <set>
 #include <string>
 #include <vector>
 
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ skipping 64 matching lines @@
 using syncable::CREATE;
 using syncable::GET_BY_SERVER_TAG;
 using syncable::INVALID;
 using syncable::MutableEntry;
 using syncable::SERVER_PARENT_ID;
 using syncable::SERVER_SPECIFICS;
 using syncable::SPECIFICS;
 using syncable::UNITTEST;
 using syncable::WriterTag;
 using syncable::WriteTransaction;
+using sync_api::BaseNode;
 using testing::_;
 using testing::DoAll;
 using testing::DoDefault;
 using testing::ElementsAre;
 using testing::Eq;
 using testing::Invoke;
 using testing::Mock;
 using testing::Return;
 using testing::SaveArg;
 using testing::SetArgumentPointee;
@@ skipping 334 matching lines @@
     token_service_->IssueAuthTokenForTest(GaiaConstants::kSyncService, "token");
 
     service_->RegisterDataTypeController(data_type_controller);
     service_->Initialize();
     MessageLoop::current()->Run();
   }
 
   bool AddAutofillSyncNode(const AutofillEntry& entry) {
     sync_api::WriteTransaction trans(FROM_HERE, service_->GetUserShare());
     sync_api::ReadNode autofill_root(&trans);
-    if (!autofill_root.InitByTagLookup(
-            syncable::ModelTypeToRootTag(syncable::AUTOFILL)))
+    if (autofill_root.InitByTagLookup(
+            syncable::ModelTypeToRootTag(syncable::AUTOFILL)) !=
+                BaseNode::INIT_OK) {
       return false;
+    }
 
     sync_api::WriteNode node(&trans);
     std::string tag = AutocompleteSyncableService::KeyToTag(
         UTF16ToUTF8(entry.key().name()), UTF16ToUTF8(entry.key().value()));
     if (!node.InitUniqueByCreation(syncable::AUTOFILL, autofill_root, tag))
       return false;
 
     sync_pb::EntitySpecifics specifics;
     AutocompleteSyncableService::WriteAutofillEntry(entry, &specifics);
     sync_pb::AutofillSpecifics* autofill_specifics =
         specifics.mutable_autofill();
     node.SetAutofillSpecifics(*autofill_specifics);
     return true;
   }
 
   bool AddAutofillSyncNode(const AutofillProfile& profile) {
     sync_api::WriteTransaction trans(FROM_HERE, service_->GetUserShare());
     sync_api::ReadNode autofill_root(&trans);
-    if (!autofill_root.InitByTagLookup(kAutofillProfileTag))
+    if (autofill_root.InitByTagLookup(kAutofillProfileTag) !=
+            BaseNode::INIT_OK) {
       return false;
+    }
     sync_api::WriteNode node(&trans);
     std::string tag = profile.guid();
     if (!node.InitUniqueByCreation(syncable::AUTOFILL_PROFILE,
                                    autofill_root, tag))
       return false;
     sync_pb::EntitySpecifics specifics;
     AutofillProfileSyncableService::WriteAutofillProfile(profile, &specifics);
     sync_pb::AutofillProfileSpecifics* profile_specifics =
         specifics.mutable_autofill_profile();
     node.SetAutofillProfileSpecifics(*profile_specifics);
     return true;
   }
 
   bool GetAutofillEntriesFromSyncDB(std::vector<AutofillEntry>* entries,
                                     std::vector<AutofillProfile>* profiles) {
     sync_api::ReadTransaction trans(FROM_HERE, service_->GetUserShare());
     sync_api::ReadNode autofill_root(&trans);
-    if (!autofill_root.InitByTagLookup(
-            syncable::ModelTypeToRootTag(syncable::AUTOFILL)))
+    if (autofill_root.InitByTagLookup(
+            syncable::ModelTypeToRootTag(syncable::AUTOFILL)) !=
+                BaseNode::INIT_OK) {
       return false;
+    }
 
     int64 child_id = autofill_root.GetFirstChildId();
     while (child_id != sync_api::kInvalidId) {
       sync_api::ReadNode child_node(&trans);
-      if (!child_node.InitByIdLookup(child_id))
+      if (child_node.InitByIdLookup(child_id) != BaseNode::INIT_OK)
         return false;
 
       const sync_pb::AutofillSpecifics& autofill(
           child_node.GetAutofillSpecifics());
       if (autofill.has_value()) {
         AutofillKey key(UTF8ToUTF16(autofill.name()),
                         UTF8ToUTF16(autofill.value()));
         std::vector<base::Time> timestamps;
         int timestamps_count = autofill.usage_timestamp_size();
         for (int i = 0; i < timestamps_count; ++i) {
@@ skipping 10 matching lines @@
       }
       child_id = child_node.GetSuccessorId();
     }
     return true;
   }
 
   bool GetAutofillProfilesFromSyncDBUnderProfileNode(
       std::vector<AutofillProfile>* profiles) {
     sync_api::ReadTransaction trans(FROM_HERE, service_->GetUserShare());
     sync_api::ReadNode autofill_root(&trans);
-    if (!autofill_root.InitByTagLookup(kAutofillProfileTag))
+    if (autofill_root.InitByTagLookup(kAutofillProfileTag) !=
+            BaseNode::INIT_OK) {
       return false;
+    }
 
     int64 child_id = autofill_root.GetFirstChildId();
     while (child_id != sync_api::kInvalidId) {
       sync_api::ReadNode child_node(&trans);
-      if (!child_node.InitByIdLookup(child_id))
+      if (child_node.InitByIdLookup(child_id) != BaseNode::INIT_OK)
         return false;
 
       const sync_pb::AutofillProfileSpecifics& autofill(
           child_node.GetAutofillProfileSpecifics());
         AutofillProfile p;
         p.set_guid(autofill.guid());
         AutofillProfileSyncableService::OverwriteProfileWithServerData(
             autofill, &p);
         profiles->push_back(p);
       child_id = child_node.GetSuccessorId();
@@ skipping 696 matching lines @@
   std::vector<AutofillEntry> sync_entries;
   std::vector<AutofillProfile> sync_profiles;
   ASSERT_TRUE(GetAutofillEntriesFromSyncDB(&sync_entries, &sync_profiles));
   EXPECT_EQ(3U, sync_entries.size());
   EXPECT_EQ(0U, sync_profiles.size());
   for (size_t i = 0; i < sync_entries.size(); i++) {
     DVLOG(1) << "Entry " << i << ": " << sync_entries[i].key().name()
              << ", " << sync_entries[i].key().value();
   }
 }