MdeModulePkg: Added MockSmmVarCheck gmock

Added a gmock for GoogleTests

MdeModulePkg/Test/Mock/Include/GoogleTest/Protocol/MockSmmVarCheck.h

@@ -0,0 +1,35 @@
+/** @file MockSmmVarCheck.h
+  This file declares a mock of Smm Variable check Protocol.
+
+  Copyright (c) Microsoft Corporation.
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#ifndef MOCK_SMM_VAR_CHECK_H
+#define MOCK_SMM_VAR_CHECK_H
+
+#include <Library/GoogleTestLib.h>
+#include <Library/FunctionMockLib.h>
+
+extern "C" {
+  #include <Uefi.h>
+  #include <Protocol/SmmVarCheck.h>
+}
+
+struct MockSmmVarCheck {
+  MOCK_INTERFACE_DECLARATION (MockSmmVarCheck);
+
+  MOCK_FUNCTION_DECLARATION (
+    EFI_STATUS,
+    SmmRegisterSetVariableCheckHandler,
+    (
+     IN VAR_CHECK_SET_VARIABLE_CHECK_HANDLER   Handler
+    )
+    );
+};
+
+extern "C" {
+  extern EDKII_SMM_VAR_CHECK_PROTOCOL  *gEdkiiSmmVarCheckProtocol;
+}
+
+#endif // MOCK_SMM_VAR_CHECK_H

MdeModulePkg/Test/Mock/Library/GoogleTest/Protocol/MockSmmVarCheck.cpp

@@ -0,0 +1,21 @@
+/** @file MockSmmVarCheck.cpp
+  Google Test mock for Smm Variable Check Protocol
+
+  Copyright (c) Microsoft Corporation.
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#include <GoogleTest/Protocol/MockSmmVarCheck.h>
+
+MOCK_INTERFACE_DEFINITION (MockSmmVarCheck);
+MOCK_FUNCTION_DEFINITION (MockSmmVarCheck, SmmRegisterSetVariableCheckHandler, 1, EFIAPI);
+
+EDKII_SMM_VAR_CHECK_PROTOCOL  SMMVARCHECK_PROTOCOL_INSTANCE = {
+  SmmRegisterSetVariableCheckHandler, // EFI_MM_READ_SAVE_STATE
+  NULL,                               // EDKII_VAR_CHECK_VARIABLE_PROPERTY_SET
+  NULL                                // EDKII_VAR_CHECK_VARIABLE_PROPERTY_GET
+};
+
+extern "C" {
+  EDKII_SMM_VAR_CHECK_PROTOCOL  *gEdkiiSmmVarCheckProtocol = &SMMVARCHECK_PROTOCOL_INSTANCE;
+}