Imported Upstream version 1.0.0.9127upstream/1.0.0.9127

1 files changed, 69 insertions, 0 deletions

diff --git a/src/pal/tests/palsuite/filemapping_memmgt/VirtualProtect/test3/VirtualProtect.cpp b/src/pal/tests/palsuite/filemapping_memmgt/VirtualProtect/test3/VirtualProtect.cpp
new file mode 100644
index 0000000000..0f738630ee
--- /dev/null
+++ b/src/pal/tests/palsuite/filemapping_memmgt/VirtualProtect/test3/VirtualProtect.cpp
@@ -0,0 +1,69 @@
+// 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:  virtualprotect.c
+**
+** Purpose: Positive test the VirtualProtect API.
+**          Call VirtualProtect to set new protect as
+**          PAGE_EXECUTE_READ
+**
+**
+**============================================================*/
+#include <palsuite.h>
+
+#define REGIONSIZE 1024
+
+int __cdecl main(int argc, char *argv[])
+{
+    int err;
+    LPVOID lpVirtualAddress;
+    DWORD OldProtect;
+
+    //Initialize the PAL environment
+    err = PAL_Initialize(argc, argv);
+    if(0 != err)
+    {
+        ExitProcess(FAIL);
+    }
+    
+    //Allocate the physical storage in memory or in the paging file on disk 
+    lpVirtualAddress = VirtualAlloc(NULL,//determine where to allocate the region
+            REGIONSIZE,      //specify the size
+            MEM_COMMIT,      //allocation type
+            PAGE_READONLY);  //access protection
+    if(NULL == lpVirtualAddress)
+    {
+        Fail("\nFailed to call VirtualAlloc API!\n");
+    }
+
+    OldProtect = PAGE_READONLY;
+    //Set new access protection
+    err = VirtualProtect(lpVirtualAddress,
+                      REGIONSIZE,  //specify the region size
+                      PAGE_EXECUTE_READ,//desied access protection
+                      &OldProtect);//old access protection
+    if(0 == err)
+    {
+        Trace("\nFailed to call VirtualProtect API!\n");
+        err = VirtualFree(lpVirtualAddress,REGIONSIZE,MEM_DECOMMIT);
+        if(0 == err)
+        {
+            Fail("\nFailed to call VirtualFree API!\n");
+        }
+        Fail("");
+    }
+
+
+    //decommit the specified region
+    err = VirtualFree(lpVirtualAddress,REGIONSIZE,MEM_DECOMMIT);
+    if(0 == err)
+    {
+        Fail("\nFailed to call VirtualFree API!\n");
+    }
+
+    PAL_Terminate();
+    return PASS;
+}