[Sync] Refactor sync datatype error handling.

chrome/browser/sync/api/sync_error_unittest.cc

+// Copyright (c) 2011 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 "chrome/browser/sync/api/sync_error.h"
+
+#include <string>
+
+#include "testing/gtest/include/gtest/gtest.h"
+
+using std::string;
+using syncable::ModelType;
+
+namespace {
+
+typedef testing::Test SyncErrorTest;
+
+TEST_F(SyncErrorTest, Unset) {
+  SyncError error;
+  EXPECT_FALSE(error.IsInitialized());
+}
+
+TEST_F(SyncErrorTest, Default) {
+  tracked_objects::Location location = FROM_HERE;
+  std::string msg = "test";
+  ModelType type = syncable::PREFERENCES;
+  SyncError error(location, msg, type);
+  EXPECT_TRUE(error.IsInitialized());
+  EXPECT_EQ(location.line_number(), error.location().line_number());
+  EXPECT_EQ(msg, error.message());
+  EXPECT_EQ(type, error.type());
+}
+
+TEST_F(SyncErrorTest, Reset) {
+  tracked_objects::Location location = FROM_HERE;
+  std::string msg = "test";
+  ModelType type = syncable::PREFERENCES;
+
+  SyncError error;
+  EXPECT_FALSE(error.IsInitialized());
+
+  error.reset(location, msg, type);
+  EXPECT_TRUE(error.IsInitialized());
+  EXPECT_EQ(location.line_number(), error.location().line_number());
+  EXPECT_EQ(msg, error.message());
+  EXPECT_EQ(type, error.type());
+
+  tracked_objects::Location location2 = FROM_HERE;
+  std::string msg2 = "test";
+  ModelType type2 = syncable::PREFERENCES;
+  error.reset(location2, msg2, type2);
+  EXPECT_TRUE(error.IsInitialized());
+  EXPECT_EQ(location2.line_number(), error.location().line_number());
+  EXPECT_EQ(msg2, error.message());
+  EXPECT_EQ(type2, error.type());
+}
+
+TEST_F(SyncErrorTest, Copy) {
+  tracked_objects::Location location = FROM_HERE;
+  std::string msg = "test";
+  ModelType type = syncable::PREFERENCES;
+
+  SyncError error1(location, msg, type);
+  EXPECT_TRUE(error1.IsInitialized());
+  EXPECT_EQ(location.line_number(), error1.location().line_number());
+  EXPECT_EQ(msg, error1.message());
+  EXPECT_EQ(type, error1.type());
+
+  SyncError error2(error1);
+  EXPECT_TRUE(error2.IsInitialized());
+  EXPECT_EQ(error1.location().line_number(), error2.location().line_number());
+  EXPECT_EQ(error1.message(), error2.message());
+  EXPECT_EQ(error1.type(), error2.type());
+}
+
+}  // namespace