Add unit test to check for zero length dir in FTP PWD response. ...

net/ftp/ftp_network_transaction_unittest.cc

 // 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.
 
 #include "net/ftp/ftp_network_transaction.h"
 
 #include "build/build_config.h"
 
 #include "base/ref_counted.h"
 #include "net/base/io_buffer.h"
@@ skipping 1109 matching lines @@
 TEST_F(FtpNetworkTransactionTest, DownloadTransactionFileNotFound) {
   FtpSocketDataProviderFileDownloadRetrFail ctrl_socket;
   TransactionFailHelper(&ctrl_socket,
                         "ftp://host/file",
                         FtpSocketDataProvider::PRE_RETR,
                         FtpSocketDataProvider::PRE_PASV2,
                         "550 cannot open file\r\n",
                         ERR_FILE_NOT_FOUND);
 }
 
+// Test for http://crbug.com/38845.
+TEST_F(FtpNetworkTransactionTest, ZeroLengthDirInPWD) {
+  FtpSocketDataProviderFileDownload ctrl_socket;
+  TransactionFailHelper(&ctrl_socket,
+                        "ftp://host/file",
+                        FtpSocketDataProvider::PRE_PWD,
+                        FtpSocketDataProvider::PRE_TYPE,
+                        "257 \"\"\r\n",
+                        OK);
+}
+
 }  // namespace net