mono/tests/process-stress-2.cs

   1
   2 using System;
   3 using System.Diagnostics;
   4 using System.Text;
   5 using System.Threading;
   6 using System.Threading.Tasks;
   7
   8 class Driver
   9 {
  10         static void Main ()
  11         {
  12                 Action<Process>[] tests = new Action<Process> [] {
  13                         new Action<Process> (Test1),
  14                         new Action<Process> (Test2),
  15                 };
  16
  17                 ProcessStartInfo psi = new ProcessStartInfo () {
  18                         FileName = "echo",
  19                         Arguments = "hello",
  20                         UseShellExecute = false,
  21                         RedirectStandardOutput = true,
  22                 };
  23
  24                 foreach (Action<Process> test in tests) {
  25                         for (int i = 0; i < 500; ++i) {
  26                                 test (new Process () { StartInfo = psi });
  27                         }
  28                 }
  29         }
  30
  31         static void Test1 (Process p)
  32         {
  33                 StringBuilder sb = new StringBuilder ();
  34                 ManualResetEvent mre_exit = new ManualResetEvent (false);
  35                 ManualResetEvent mre_output = new ManualResetEvent (false);
  36
  37                 p.EnableRaisingEvents = true;
  38                 p.Exited += (s, a) => mre_exit.Set ();
  39
  40                 p.Start ();
  41
  42                 p.OutputDataReceived += (s, a) => {
  43                         if (a.Data == null) {
  44                                 mre_output.Set ();
  45                                 return;
  46                         }
  47                         sb.Append (a.Data);
  48                 };
  49
  50                 p.BeginOutputReadLine ();
  51
  52                 if (!mre_exit.WaitOne (1000))
  53                         Environment.Exit (1);
  54                 if (!mre_output.WaitOne (1000))
  55                         Environment.Exit (2);
  56
  57                 if (sb.ToString () != "hello") {
  58                         Console.WriteLine ("process output = '{0}'", sb.ToString ());
  59                         Environment.Exit (3);
  60                 }
  61         }
  62
  63         static void Test2 (Process p)
  64         {
  65                 StringBuilder sb = new StringBuilder ();
  66                 ManualResetEvent mre_output = new ManualResetEvent (false);
  67
  68                 p.Start ();
  69
  70                 p.OutputDataReceived += (s, a) => {
  71                         if (a.Data == null) {
  72                                 mre_output.Set ();
  73                                 return;
  74                         }
  75
  76                         sb.Append (a.Data);
  77                 };
  78
  79                 p.BeginOutputReadLine ();
  80
  81                 if (!p.WaitForExit (1000))
  82                         Environment.Exit (4);
  83                 if (!mre_output.WaitOne (1000))
  84                         Environment.Exit (5);
  85
  86                 if (sb.ToString () != "hello") {
  87                         Console.WriteLine ("process output = '{0}'", sb.ToString ());
  88                         Environment.Exit (6);
  89                 }
  90         }
  91 }