1 files changed, 62 insertions, 0 deletions
diff --git a/src/pal/tests/palsuite/pal_specific/PAL_RegisterLibraryW_UnregisterLibraryW/test2_neg/reg_unreg_libraryw_neg.cpp b/src/pal/tests/palsuite/pal_specific/PAL_RegisterLibraryW_UnregisterLibraryW/test2_neg/reg_unreg_libraryw_neg.cpp
new file mode 100644
index 0000000000..c6fa4ad074
--- /dev/null
+++ b/src/pal/tests/palsuite/pal_specific/PAL_RegisterLibraryW_UnregisterLibraryW/test2_neg/reg_unreg_libraryw_neg.cpp
@@ -0,0 +1,62 @@
+// 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: pal_registerlibraryw_unregisterlibraryw_neg.c
+**
+** Purpose: Negative test the PAL_RegisterLibrary API.
+**          Call PAL_RegisterLibrary to map a non-existant module
+**          into the calling process address space. 
+**
+**
+**============================================================*/
+#define UNICODE
+#include <palsuite.h>
+
+int __cdecl main(int argc, char *argv[])
+{
+    HMODULE ModuleHandle;
+    char ModuleName[64];
+    WCHAR *wpModuleName = NULL;
+    int err;
+
+    /*Initialize the PAL environment*/
+    err = PAL_Initialize(argc, argv);
+    if(0 != err)
+    {
+        return FAIL;
+    }
+
+    memset(ModuleName, 0, 64);
+    sprintf_s(ModuleName, _countof(ModuleName), "%s", "not_exist_module_name");
+
+    /*convert a normal string to a wide one*/
+    wpModuleName = convert(ModuleName);
+
+    /*load a not exist module*/
+    ModuleHandle = PAL_RegisterLibrary(wpModuleName);
+
+    /*free the memory*/
+    free(wpModuleName);
+
+    if(NULL != ModuleHandle)
+    {
+        Trace("ERROR: PAL_RegisterLibrary successfully mapped "
+              "a module that does not exist into the calling process\n");
+
+        /*decrement the reference count of the loaded DLL*/
+        err = PAL_UnregisterLibrary(ModuleHandle);
+        if(0 == err)
+        {
+            Trace("\nFailed to call PAL_UnregisterLibrary API to decrement the "
+                "count of the loaded DLL module!\n");
+        }
+        Fail("");
+
+    }
+
+    PAL_Terminate();
+    return PASS;
+}