[Sync] Rework unit tests for ChromeInvalidationClient

sync/notifier/fake_invalidation_state_tracker.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 "sync/notifier/fake_invalidation_state_tracker.h"
+
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace syncer {
+
+const int64 FakeInvalidationStateTracker::kMinVersion = kint64min;
+
+FakeInvalidationStateTracker::FakeInvalidationStateTracker() {}
+
+FakeInvalidationStateTracker::~FakeInvalidationStateTracker() {}
+
+InvalidationVersionMap
+FakeInvalidationStateTracker::GetAllMaxVersions() const {
+  return versions_;
+}
+
+void FakeInvalidationStateTracker::SetMaxVersion(
+    const invalidation::ObjectId& id, int64 max_version) {
+  InvalidationVersionMap::const_iterator it = versions_.find(id);
+  if ((it != versions_.end()) && (max_version <= it->second)) {
+    ADD_FAILURE();
+    return;
+  }
+  versions_[id] = max_version;
+}
+
+int64 FakeInvalidationStateTracker::GetMaxVersion(
+    const invalidation::ObjectId& id) const {
+  InvalidationVersionMap::const_iterator it = versions_.find(id);
+  return (it == versions_.end()) ? kMinVersion : it->second;
+}
+
+void FakeInvalidationStateTracker::SetInvalidationState(
+    const std::string& state) {
+  state_ = state;
+}
+
+std::string FakeInvalidationStateTracker::GetInvalidationState() const {
+  return state_;
+}
+
+}  // namespace syncer