1 files changed, 97 insertions, 0 deletions
diff --git a/src/pal/tests/palsuite/threading/SwitchToThread/test1/test1.cpp b/src/pal/tests/palsuite/threading/SwitchToThread/test1/test1.cpp
new file mode 100644
index 0000000000..76ecdd3572
--- /dev/null
+++ b/src/pal/tests/palsuite/threading/SwitchToThread/test1/test1.cpp
@@ -0,0 +1,97 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+/*=============================================================================
+**
+** Source: test1.c
+**
+** Purpose: Test to ensure SwitchToThread works, without 
+**          causing test to hang
+**
+** Dependencies: PAL_Initialize
+**               Fail
+**               SwitchToThread
+**               WaitForMultipleObject
+**               CreateThread
+**               GetLastError
+** 
+
+**
+**===========================================================================*/
+
+
+#include <palsuite.h>
+#define THREAD_COUNT  10
+#define REPEAT_COUNT  1000
+#define TIMEOUT       60000
+void PALAPI Run_Thread(LPVOID lpParam);
+
+/**
+ * main
+ *
+ * executable entry point
+ */
+INT __cdecl main( INT argc, CHAR **argv )
+{
+    DWORD  dwParam;
+    HANDLE hThread[THREAD_COUNT];
+    DWORD  threadId[THREAD_COUNT];
+    
+    int i = 0;   
+    int returnCode = 0;
+
+    /*PAL initialization */
+    if( (PAL_Initialize(argc, argv)) != 0 )
+    {
+	    return FAIL;
+    }
+
+
+    for( i = 0; i < THREAD_COUNT; i++ )
+    {
+        dwParam = (int) i;
+        //Create thread
+        hThread[i] = CreateThread(
+                                    NULL,                   /* no security attributes */
+                                    0,                      /* use default stack size */
+                                    (LPTHREAD_START_ROUTINE)Run_Thread,/* thread function */
+                                    (LPVOID)dwParam,  /* argument to thread function */
+                                    0,                      /* use default creation flags  */
+                                    &threadId[i]     /* returns the thread identifier*/                                  
+                                  );
+
+        if(hThread[i] == NULL)
+        {
+            Fail("Create Thread failed for iteration %d GetLastError value is %d\n", i, GetLastError());
+        }
+  
+    } 
+
+
+    returnCode = WaitForMultipleObjects(THREAD_COUNT, hThread, TRUE, TIMEOUT);
+    if( WAIT_OBJECT_0 != returnCode )
+    {
+        Trace("Wait for Object(s) returned %d, expected value is  %d, and GetLastError value is %d\n", returnCode, WAIT_OBJECT_0, GetLastError());
+    }
+
+    PAL_Terminate();
+    return PASS;
+
+}
+
+void  PALAPI Run_Thread (LPVOID lpParam)
+{
+    int i = 0;
+    int Id=(int)lpParam;
+
+    for(i=0; i < REPEAT_COUNT; i++ )
+    {
+        // No Last Error is set..
+        if(!SwitchToThread())
+        {
+            Trace( "The operating system did not switch execution to another thread,"
+                   "for thread id[%d], iteration [%d]\n", Id, i );
+        }
+    }
+}