Added mock functions for PciExpressLib

MdePkg/Test/MdePkgHostTest.dsc

@@ -61,4 +61,5 @@
   MdePkg/Test/Mock/Library/Cmocka/MockUefiBootServicesTableLib/MockUefiBootServicesTableLib.inf
   MdePkg/Test/Mock/Library/Stub/StubHobLib/StubHobLib.inf
   MdePkg/Test/Mock/Library/Stub/StubUefiLib/StubUefiLib.inf
+  MdePkg/Test/Mock/Library/GoogleTest/MockPciExpressLib/MockPciExpressLib.inf
   # MU_CHANGE [END]

MdePkg/Test/Mock/Include/GoogleTest/Library/MockPciExpressLib.h

@@ -0,0 +1,45 @@
+/** @file MockPciExpressLib.h
+  Google Test mocks for PciExpressLib
+
+  Copyright (c) Microsoft Corporation.
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#ifndef MOCK_PCI_EXPRESS_LIB_H_
+#define MOCK_PCI_EXPRESS_LIB_H_
+
+#include <Library/GoogleTestLib.h>
+#include <Library/FunctionMockLib.h>
+extern "C" {
+  #include <Uefi.h>
+  #include <Library/PciExpressLib.h>
+}
+
+struct MockPciExpressLib {
+  MOCK_INTERFACE_DECLARATION (MockPciExpressLib);
+
+  MOCK_FUNCTION_DECLARATION (
+    UINT8,
+    PciExpressRead8,
+    (
+     IN UINTN  Address
+    )
+    );
+  MOCK_FUNCTION_DECLARATION (
+    UINT16,
+    PciExpressRead16,
+    (
+     IN UINTN  Address
+    )
+    );
+
+  MOCK_FUNCTION_DECLARATION (
+    UINT32,
+    PciExpressRead32,
+    (
+     IN UINTN  Address
+    )
+    );
+};
+
+#endif //MOCK_PCI_EXPRESS_LIB_H_

MdePkg/Test/Mock/Library/GoogleTest/MockPciExpressLib/MockPciExpressLib.cpp

@@ -0,0 +1,13 @@
+/** @file MockPciExpressLib.cpp
+  Google Test mocks for PciExpressLib
+
+  Copyright (c) Microsoft Corporation.
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#include <GoogleTest/Library/MockPciExpressLib.h>
+
+MOCK_INTERFACE_DEFINITION (MockPciExpressLib);
+MOCK_FUNCTION_DEFINITION (MockPciExpressLib, PciExpressRead8, 1, EFIAPI);
+MOCK_FUNCTION_DEFINITION (MockPciExpressLib, PciExpressRead16, 1, EFIAPI);
+MOCK_FUNCTION_DEFINITION (MockPciExpressLib, PciExpressRead32, 1, EFIAPI);

MdePkg/Test/Mock/Library/GoogleTest/MockPciExpressLib/MockPciExpressLib.inf

@@ -0,0 +1,33 @@
+## @file MockPciExpressLib.inf
+# Google Test mocks for PciExpressLib
+#
+# Copyright (c) Microsoft Corporation.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+##
+
+[Defines]
+  INF_VERSION                    = 0x00010005
+  BASE_NAME                      = MockPciExpressLib
+  FILE_GUID                      = EB17BE3C-2B3E-4B40-8C71-0EA4EF294EFA
+  MODULE_TYPE                    = HOST_APPLICATION
+  VERSION_STRING                 = 1.0
+  LIBRARY_CLASS                  = PciExpressLib
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+#  VALID_ARCHITECTURES           = IA32 X64
+#
+
+[Sources]
+  MockPciExpressLib.cpp
+
+[Packages]
+  MdePkg/MdePkg.dec
+  UnitTestFrameworkPkg/UnitTestFrameworkPkg.dec
+
+[LibraryClasses]
+  GoogleTestLib
+
+[BuildOptions]
+  MSFT:*_*_*_CC_FLAGS = /EHsc