Initial commit of sync engine code to browser/sync....

chrome/test/sync/engine/test_id_factory.h

+// Copyright (c) 2009 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.
+//
+// A tool making it easier to create IDs for unit testing.
+
+#ifndef CHROME_TEST_SYNC_ENGINE_TEST_ID_FACTORY_H_
+#define CHROME_TEST_SYNC_ENGINE_TEST_ID_FACTORY_H_
+
+#include <string>
+
+#include "base/string_util.h"
+#include "chrome/browser/sync/syncable/syncable_id.h"
+
+namespace browser_sync {
+
+class TestIdFactory {
+ public:
+  TestIdFactory() : next_value_(1337000) {}
+  ~TestIdFactory() {}
+
+  // Get the root ID.
+  static syncable::Id root() {
+    return syncable::Id();
+  }
+
+  // Make an ID from a number.  If the number is zero, return the root ID.
+  // If the number is positive, create a server ID based on the value.  If
+  // the number is negative, create a local ID based on the value.  This
+  // is deterministic, and [FromNumber(X) == FromNumber(Y)] iff [X == Y].
+  static syncable::Id FromNumber(int64 value) {
+    if (value == 0)
+      return root();
+    else if (value < 0)
+      return syncable::Id::CreateFromClientString(Int64ToString(value));
+    else
+      return syncable::Id::CreateFromServerId(Int64ToString(value));
+  }
+
+  // Create a local ID from a name.
+  static syncable::Id MakeLocal(std::string name) {
+    return syncable::Id::CreateFromClientString(std::string("lient ") + name);
+  }
+
+  // Create a server ID from a string name.
+  static syncable::Id MakeServer(std::string name) {
+    return syncable::Id::CreateFromServerId(std::string("erver ") + name);
+  }
+
+  // Autogenerate a fresh local ID.
+  syncable::Id NewLocalId() {
+    return syncable::Id::CreateFromClientString(
+        std::string("_auto ") + IntToString(-next_value()));
+  }
+
+  // Autogenerate a fresh server ID.
+  syncable::Id NewServerId() {
+    return syncable::Id::CreateFromServerId(
+        std::string("_auto ") + IntToString(next_value()));
+  }
+
+ private:
+  int next_value() {
+    return next_value_++;
+  }
+  int next_value_;
+};
+
+}  // namespace browser_sync
+
+#endif  // CHROME_TEST_SYNC_ENGINE_TEST_ID_FACTORY_H_
+