test strings in a multithreaded environment

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@7242 626c5289-ae23-0410-ae9c-e8d60b6d4f22

SWIG/Examples/test-suite/csharp/threads_runme.cs

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+using System;
+using System.Threading;
+using threadsNamespace;
+
+public class runme
+{
+    static void Main() 
+    {
+      Kerfuffle kerf = new Kerfuffle();
+      const int NUM_THREADS = 8;
+      Thread[] threads = new Thread[NUM_THREADS];
+      TestThread[] testThreads = new TestThread[NUM_THREADS];
+      // invoke the threads
+      for (int i=0; i<NUM_THREADS; i++) {
+        testThreads[i] = new TestThread(kerf, i);
+        threads[i] = new Thread(new ThreadStart(testThreads[i].Run));
+        threads[i].Start();
+      }
+      // wait for the threads to finish
+      for (int i=0; i<NUM_THREADS; i++) {
+        threads[i].Join();
+      }
+      for (int i=0; i<NUM_THREADS; i++) {
+        if (testThreads[i].Failed) throw new Exception("Test Failed");
+      }
+    }
+}
+
+public class TestThread {
+   private int threadId;
+   private Kerfuffle kerf;
+   public bool Failed;
+   public TestThread(Kerfuffle t, int id) {
+       kerf = t;
+       threadId = id;
+   }
+   public void Run() {
+     Failed = false;
+     try {
+       for (int i=0; i<30000; i++) { // run test for a few seconds on a 1GHz machine
+         string given = "This is the test string that should come back. A number: " + i;
+         string received = kerf.StdString(given);
+         if (received != given) {
+           throw new ApplicationException("StdString string does not match. Received:\n[" + received + "].\nExpected:\n{" + given + "}");
+         }
+       }
+       for (int i=0; i<30000; i++) { // run test for a few seconds on a 1GHz machine
+         string given = "This is the test string that should come back. A number: " + i;
+         string received = kerf.CharString(given);
+         if (received != given) {
+           throw new ApplicationException("StdString string does not match. Received:\n[" + received + "].\nExpected:\n{" + given + "}");
+         }
+       }
+     } catch (Exception e) {
+       Console.Error.WriteLine("Test failed (thread " + threadId + "): " + e.Message);
+       Failed = true;
+     }
+   }
+}
+
+