Reimplement MoveOperation.

chrome/browser/chromeos/drive/resource_metadata_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 "chrome/browser/chromeos/drive/resource_metadata.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 941 matching lines @@
   entry.Clear();
   EXPECT_EQ(FILE_ERROR_OK, resource_metadata_->GetResourceEntryByPath(
       base::FilePath::FromUTF8Unsafe("drive/root/dir1/dir3/dir100/file6"),
       &entry));
   EXPECT_EQ("file6", entry.base_name());
 
   // Make sure dir2 no longer exists.
   EXPECT_EQ(FILE_ERROR_NOT_FOUND, resource_metadata_->GetResourceEntryByPath(
       base::FilePath::FromUTF8Unsafe("drive/root/dir2"), &entry));
 
+  // Make sure that directory cannot move under a file.
+  dir_entry.set_parent_local_id(file_entry.resource_id());
+  EXPECT_EQ(FILE_ERROR_NOT_A_DIRECTORY,
+            resource_metadata_->RefreshEntry(dir_entry));
+
   // Cannot refresh root.
   dir_entry.Clear();
   dir_entry.set_resource_id(util::kDriveGrandRootSpecialResourceId);
   dir_entry.set_title("new-root-name");
   dir_entry.set_parent_local_id("resource_id:dir1");
   EXPECT_EQ(FILE_ERROR_INVALID_OPERATION,
             resource_metadata_->RefreshEntry(dir_entry));
 }
 
 TEST_F(ResourceMetadataTest, GetChildDirectories) {
@@ skipping 101 matching lines @@
     else
       ++directory_count;
   }
 
   EXPECT_EQ(7, file_count);
   EXPECT_EQ(6, directory_count);
 }
 
 }  // namespace internal
 }  // namespace drive