diff --git a/test/test_pers.php b/test/test_pers.php
new file mode 100644
index 0000000000..8b4105fe40
--- /dev/null
+++ b/test/test_pers.php
@@ -0,0 +1,150 @@
+#! /usr/local/bin/php
+<?php
+
+//This tests the persistent file transfers for download and upload. It interrupts them in the middle and makes sure that the filesize never decreases along interrupted transfers.
+
+include_once("test.inc");
+set_time_limit(10000000000);
+
+$project = new Project;
+$user = new User();
+$host = new Host($user);
+$app = new App("upper_case");
+$app_version = new App_Version($app);
+
+$project->add_user($user);
+$project->add_app($app);
+$project->add_app_version($app_version);
+$project->install();      // must install projects before adding to hosts
+
+$host->log_flags = "log_flags.xml";
+$host->add_project($project);
+$host->install();
+
+echo "adding work\n";
+
+$work = new Work($app);
+$work->wu_template = "uc_wu";
+$work->result_template = "uc_result";
+$work->nresults = 2;
+array_push($work->input_files, "input");
+$work->install($project);
+$project->start_feeder();
+
+//get the path for checking download
+$source_dir = get_env_var("BOINC_SRC_DIR");
+$enc_url = strtr($project->master_url, "/", "_");
+$enc_url = substr($enc_url,7,strlen($enc_url));
+$path= "$host->host_dir/projects/$enc_url/upper_case";
+print "\n the path for checking download is :".$path;
+
+$pid = $host->run_asynch("-exit_when_idle -limit_transfer_rate 2048");
+$boinc_pid = $host->get_new_boincpid(null); 
+assert($pid != -1);
+echo "\n boinc_pid is $boinc_pid";
+$first = 0;
+$file_size = 0;
+
+//Check download
+while(1)
+{
+  
+  if(file_exists($path))
+    {
+      $temp = filesize($path);
+      if($temp < $file_size)
+	{
+	  echo "\nfilesize dropped, problem downloading\n";
+	  echo "temp is $temp, file_size is  $file_size\n";
+      	  break;
+	}
+  
+      else if($temp > $file_size)
+	{
+	  print "\n filesize increased, it is : ".$temp;
+	  if(($temp  > 40000) && ($first ==0))
+	    {
+	      print "\n stopping and rerunning the client";
+	      echo "\n now killing boinc_pid : $boinc_pid";
+	      $host->kill($boinc_pid, null);
+	      $host->run_asynch("-exit_when_idle -limit_transfer_rate 2048");
+	      $boinc_pid = $host->get_new_boincpid($boinc_pid);
+              echo "\nNow executing : $boinc_pid";
+	      $first++;
+	    }
+	     
+	}
+	     
+      $file_size = $temp;      
+      
+      if($file_size == filesize("$source_dir/apps/upper_case"))
+	{
+	  echo "\n download test succeeded";
+	  break;
+	}
+
+    }
+}
+
+	     
+$file_size = 0;
+$path= "$project->project_dir/upload/uc_wu_0_0";
+$first =0;
+print "\nupload path is: ".$path;
+echo "\n Now checking upload";
+
+
+while(1)
+{
+  //  echo "\n checking upload";
+ 
+
+  if(file_exists($path))
+    {
+      
+      //  echo "\nfile exists is download";
+      $temp = filesize($path);
+      if($temp < $file_size)
+	{
+	  echo "\nfilesize dropped,  problem uploading\n";
+	  echo "temp is $temp, file_size if $file_size\n";
+	  break;
+	}
+      if($temp > $file_size)
+	{
+	  print "\n filesize increased, it is : ".$temp;
+	  if(($temp  > 20000) && ($first ==0))
+	    {
+	      print "\n stopping and rerunning the client";
+	      print "\nkilling $boinc_pid";
+	      $host->kill($boinc_pid,null);
+	      $host->run_asynch("-exit_when_idle -limit_transfer_rate 2048");
+	      $boinc_pid = $host->get_new_boincpid($boinc_pid);
+	      echo "\nnew boinc_pid is $boinc_pid";
+	      $first++;
+	    }
+	     
+	}	   
+      $file_size = $temp;
+      if($file_size == filesize("$source_dir/test/uc_correct_output"))
+	{
+	  print "\n all of the files has been uploaded";
+	  print "\n stopping and rerunning the client";
+	  $host->kill($boinc_pid, null);
+	  $host->run("-exit_when_idle");
+	  break;
+	}
+    }
+}
+
+
+$project->stop();
+
+$result->state = RESULT_STATE_DONE;
+$result->stderr_out = "APP: upper_case: starting, argc 1";
+$result->exit_status = 0;
+$project->check_results(2, $result);
+$project->compare_file("uc_wu_0_0", "uc_correct_output");
+$project->compare_file("uc_wu_1_0", "uc_correct_output");
+
+?>