MdeModulePkg: Add more PciHostBridgeLib gmock support

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4443

Add Google Mock Library for PciHostBridgeLib

Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Hao A Wu <hao.a.wu@intel.com>
Cc: Ray Ni <ray.ni@intel.com>
Cc: Chris Johnson <chris.n.johnson@intel.com>
Signed-off-by: Gua Guo <gua.guo@intel.com>
Reviewed-by: Michael D Kinney <michael.d.kinney@intel.com>

MdeModulePkg/MdeModulePkg.dec

@@ -24,6 +24,7 @@
 
 [Includes]
   Include
+  Test/Mock/Include
 
 [Includes.Common.Private]
   Library/BrotliCustomDecompressLib/brotli/c/include

MdeModulePkg/Test/MdeModulePkgHostTest.dsc

@@ -53,3 +53,8 @@
       UefiSortLib|MdeModulePkg/Library/UefiSortLib/UefiSortLib.inf
       DevicePathLib|MdePkg/Library/UefiDevicePathLib/UefiDevicePathLib.inf
   }
+
+  #
+  # Build HOST_APPLICATION Libraries
+  #
+  MdeModulePkg/Test/Mock/Library/GoogleTest/MockPciHostBridgeLib/MockPciHostBridgeLib.inf

MdeModulePkg/Test/Mock/Include/GoogleTest/Library/MockPciHostBridgeLib.h

@@ -0,0 +1,40 @@
+/** @file
+  Google Test mocks for PciHostBridgeLib
+
+  Copyright (c) 2023, Intel Corporation. All rights reserved.
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#ifndef MOCK_PCI_HOST_BRIDGE_LIB_H_
+#define MOCK_PCI_HOST_BRIDGE_LIB_H_
+
+#include <Library/GoogleTestLib.h>
+#include <Library/FunctionMockLib.h>
+extern "C" {
+#include <Uefi.h>
+#include <Library/PciHostBridgeLib.h>
+}
+
+struct MockPciHostBridgeLib {
+  MOCK_INTERFACE_DECLARATION (MockPciHostBridgeLib);
+
+  MOCK_FUNCTION_DECLARATION (
+    PCI_ROOT_BRIDGE *,
+    PciHostBridgeGetRootBridges,
+    (UINTN  *Count)
+    );
+  MOCK_FUNCTION_DECLARATION (
+    VOID,
+    PciHostBridgeFreeRootBridges,
+    (PCI_ROOT_BRIDGE  *Bridges,
+     UINTN            Count)
+    );
+  MOCK_FUNCTION_DECLARATION (
+    VOID,
+    PciHostBridgeResourceConflict,
+    (EFI_HANDLE  HostBridgeHandle,
+     VOID        *Configuration)
+    );
+};
+
+#endif

MdeModulePkg/Test/Mock/Library/GoogleTest/MockPciHostBridgeLib/MockPciHostBridgeLib.cpp

@@ -0,0 +1,14 @@
+/** @file
+  Mock instance of the PCI Host Bridge Library.
+
+  Copyright (c) 2023, Intel Corporation. All rights reserved.
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#include <GoogleTest/Library/MockPciHostBridgeLib.h>
+
+MOCK_INTERFACE_DEFINITION(MockPciHostBridgeLib);
+
+MOCK_FUNCTION_DEFINITION(MockPciHostBridgeLib, PciHostBridgeGetRootBridges, 1, EFIAPI);
+MOCK_FUNCTION_DEFINITION(MockPciHostBridgeLib, PciHostBridgeFreeRootBridges, 2, EFIAPI);
+MOCK_FUNCTION_DEFINITION(MockPciHostBridgeLib, PciHostBridgeResourceConflict, 2, EFIAPI);

MdeModulePkg/Test/Mock/Library/GoogleTest/MockPciHostBridgeLib/MockPciHostBridgeLib.inf

@@ -0,0 +1,35 @@
+## @file
+#  Mock instance of the PCI Host Bridge Library.
+#
+# Copyright (c) 2023, Intel Corporation. All rights reserved.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+##
+
+[Defines]
+  INF_VERSION                    = 0x00010005
+  BASE_NAME                      = MockPciHostBridgeLib
+  FILE_GUID                      = B51721FE-0BBA-4611-B9A5-ED13C49AC060
+  MODULE_TYPE                    = HOST_APPLICATION
+  VERSION_STRING                 = 1.0
+  LIBRARY_CLASS                  = PciHostBridgeLib
+
+#
+# The following information is for reference only and not required by the build
+# tools.
+#
+#  VALID_ARCHITECTURES           = IA32 X64
+#
+
+[Sources]
+  MockPciHostBridgeLib.cpp
+
+[Packages]
+  MdePkg/MdePkg.dec
+  MdeModulePkg/MdeModulePkg.dec
+  UnitTestFrameworkPkg/UnitTestFrameworkPkg.dec
+
+[LibraryClasses]
+  GoogleTestLib
+
+[BuildOptions]
+  MSFT:*_*_*_CC_FLAGS = /EHsc