UnitTests: make it possible to build tests for code that has global dependencies

Source/Core/Common/CMakeLists.txt

@@ -48,6 +48,11 @@ if(WIN32)
     set(SRCS ${SRCS} ExtendedTrace.cpp)
 endif(WIN32)
 
+set(LIBS "${CMAKE_THREAD_LIBS_INIT}")
+if((NOT ${CMAKE_SYSTEM_NAME} MATCHES "Darwin") AND (NOT ANDROID))
+	set(LIBS ${LIBS} rt)
+endif()
+
 enable_precompiled_headers(stdafx.h stdafx.cpp SRCS)
 
-add_dolphin_library(common "${SRCS}" "${CMAKE_THREAD_LIBS_INIT}")
+add_dolphin_library(common "${SRCS}" "${LIBS}")

Source/Core/Core/CMakeLists.txt

@@ -221,7 +221,18 @@ if(_M_ARM_32)
 			)
 endif()
 
-set(LIBS bdisasm inputcommon videoogl videosoftware sfml-network)
+set(LIBS
+	audiocommon
+	bdisasm
+	common
+	discio
+	inputcommon
+	${LZO}
+	sfml-network
+	videoogl
+	videosoftware
+	z
+	)
 
 if(LIBUSB_FOUND)
 	# Using shared LibUSB
@@ -236,6 +247,8 @@ if(WIN32)
 		HW/WiimoteReal/IOWin.cpp)
 elseif(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
 	set(SRCS ${SRCS} HW/BBA-TAP/TAP_Apple.cpp HW/WiimoteReal/IOdarwin.mm)
+	set(LIBS ${LIBS}
+		${IOB_LIBRARY})
 elseif(UNIX)
 	set(SRCS ${SRCS} HW/BBA-TAP/TAP_Unix.cpp)
 	if((${CMAKE_SYSTEM_NAME} MATCHES "Linux") AND BLUEZ_FOUND)

Source/Core/DolphinWX/CMakeLists.txt

@@ -4,41 +4,17 @@ endif()
 
 set(LIBS	core
 			${LZO}
-			discio
-			bdisasm
-			inputcommon
-			common
-			audiocommon
-			z
-			sfml-network
 			${GTK2_LIBRARIES})
 
-if((NOT ${CMAKE_SYSTEM_NAME} MATCHES "Darwin") AND (NOT ANDROID))
-	set(LIBS ${LIBS} rt)
-endif()
-
 if(NOT ANDROID)
 	if(USE_X11)
-	  set(LIBS  ${LIBS} ${X11_LIBRARIES}
-              ${XINPUT2_LIBRARIES}
-	      ${XRANDR_LIBRARIES})
+		set(LIBS  ${LIBS} ${XRANDR_LIBRARIES})
 	endif()
 	if(USE_WAYLAND)
-	  set(LIBS  ${LIBS} ${WAYLAND_LIBRARIES}
-		${XKBCOMMON_LIBRARIES})
+		set(LIBS  ${LIBS} ${WAYLAND_LIBRARIES} ${XKBCOMMON_LIBRARIES})
 	endif()
 
 	link_directories(${CMAKE_PREFIX_PATH}/lib)
-
-	if(SDL2_FOUND)
-		# Using shared SDL2
-		set(LIBS	${LIBS} ${SDL2_LIBRARY})
-	else(SDL2_FOUND)
-		if(SDL_FOUND)
-			# Using shared SDL
-			set(LIBS	${LIBS} ${SDL_LIBRARY})
-		endif()
-	endif()
 else()
 	set(LIBS ${LIBS} png iconv)
 endif()
@@ -135,7 +111,6 @@ elseif(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
 		${COREAUDIO_LIBRARY}
 		${COREFUND_LIBRARY}
 		${CORESERV_LIBRARY}
-		${IOB_LIBRARY}
 		${IOK_LIBRARY}
 		${FORCEFEEDBACK}
 		)

Source/Core/InputCommon/CMakeLists.txt

@@ -4,6 +4,9 @@ set(SRCS	ControllerEmu.cpp
 			ControllerInterface/Device.cpp
 			ControllerInterface/ExpressionParser.cpp)
 
+
+set(LIBS	common)
+
 if(WIN32)
 	set(SRCS	${SRCS}
 				ControllerInterface/DInput/DInput.cpp
@@ -24,6 +27,7 @@ elseif(X11_FOUND)
 		set(SRCS	${SRCS}
 					ControllerInterface/Xlib/XInput2.cpp)
 	endif()
+	set(LIBS ${LIBS} ${X11_LIBRARIES} ${XINPUT2_LIBRARIES})
 elseif(ANDROID)
 	set(SRCS	${SRCS}
 				ControllerInterface/Android/Android.cpp)
@@ -31,6 +35,11 @@ endif()
 
 if(SDL_FOUND OR SDL2_FOUND)
 	set(SRCS ${SRCS} ControllerInterface/SDL/SDL.cpp)
+	if (SDL2_FOUND)
+		set(LIBS ${LIBS} ${SDL2_LIBRARY})
+	elseif(SDL_FOUND)
+		set(LIBS ${LIBS} ${SDL_LIBRARY})
+	endif()
 endif()
 
-add_dolphin_library(inputcommon "${SRCS}" "")
+add_dolphin_library(inputcommon "${SRCS}" "${LIBS}")

Source/UnitTests/CMakeLists.txt

@@ -1,12 +1,19 @@
-macro(add_dolphin_test target srcs libs)
-	add_executable(Tests/${target} EXCLUDE_FROM_ALL ${srcs})
+macro(add_dolphin_test target srcs)
+	# Since this is a Core dependency, it can't be linked as a library and has
+	# to be linked as an object file. Otherwise CMake inserts the library after
+	# core, but before other core dependencies like videocommon which also use
+	# Host_ functions.
+	set(srcs2 ${srcs} ${CMAKE_SOURCE_DIR}/Source/UnitTests/TestUtils/StubHost.cpp)
+	add_executable(Tests/${target} EXCLUDE_FROM_ALL ${srcs2})
 	add_custom_command(TARGET Tests/${target}
 	                   PRE_LINK
 	                   COMMAND mkdir -p ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/Tests)
-	target_link_libraries(Tests/${target} ${libs} gtest)
+	target_link_libraries(Tests/${target} core gtest)
 	add_dependencies(unittests Tests/${target})
 	add_test(NAME ${target} COMMAND ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/Tests/${target})
 endmacro(add_dolphin_test)
 
+add_subdirectory(TestUtils)
+
 add_subdirectory(Common)
 add_subdirectory(Core)

Source/UnitTests/Common/CMakeLists.txt

@@ -1,7 +1,7 @@
-add_dolphin_test(BitFieldTest BitFieldTest.cpp common)
-add_dolphin_test(CommonFuncsTest CommonFuncsTest.cpp common)
-add_dolphin_test(EventTest EventTest.cpp common)
-add_dolphin_test(FifoQueueTest FifoQueueTest.cpp common)
-add_dolphin_test(FixedSizeQueueTest FixedSizeQueueTest.cpp common)
-add_dolphin_test(FlagTest FlagTest.cpp common)
-add_dolphin_test(MathUtilTest MathUtilTest.cpp common)
+add_dolphin_test(BitFieldTest BitFieldTest.cpp)
+add_dolphin_test(CommonFuncsTest CommonFuncsTest.cpp)
+add_dolphin_test(EventTest EventTest.cpp)
+add_dolphin_test(FifoQueueTest FifoQueueTest.cpp)
+add_dolphin_test(FixedSizeQueueTest FixedSizeQueueTest.cpp)
+add_dolphin_test(FlagTest FlagTest.cpp)
+add_dolphin_test(MathUtilTest MathUtilTest.cpp)

Source/UnitTests/Core/CMakeLists.txt

@@ -1 +1 @@
-add_dolphin_test(MMIOTest MMIOTest.cpp core)
+add_dolphin_test(MMIOTest MMIOTest.cpp)

Source/UnitTests/TestUtils/CMakeLists.txt

@@ -0,0 +1,9 @@
+set(SRCS
+	# Do not add StubHost.cpp here - it is added manually via add_dolphin_test.
+	)
+
+set(LIBS
+	)
+
+# TODO: uncomment when there is actually something here.
+#add_dolphin_library(testutils "${SRCS}" "${LIBS}")

Source/UnitTests/TestUtils/StubHost.cpp

@@ -0,0 +1,34 @@
+// Copyright 2014 Dolphin Emulator Project
+// Licensed under GPLv2
+// Refer to the license.txt file included.
+
+// Stub implementation of the Host_* callbacks for tests. These implementations
+// do nothing except return default values when required.
+
+#include <string>
+
+#include "Core/Host.h"
+#include "VideoBackends/OGL/GLInterfaceBase.h"
+
+void Host_NotifyMapLoaded() {}
+void Host_RefreshDSPDebuggerWindow() {}
+void Host_ShowJitResults(unsigned int) {}
+void Host_Message(int) {}
+void* Host_GetRenderHandle() { return nullptr; }
+void* Host_GetInstance() { return nullptr; }
+void Host_UpdateTitle(const std::string&) {}
+void Host_UpdateLogDisplay() {}
+void Host_UpdateDisasmDialog() {}
+void Host_UpdateMainFrame() {}
+void Host_UpdateBreakPointView() {}
+void Host_GetRenderWindowSize(int&, int&, int&, int&) {}
+void Host_RequestRenderWindowSize(int, int) {}
+void Host_SetStartupDebuggingParameters() {}
+bool Host_UIHasFocus() { return false; }
+bool Host_RendererHasFocus() { return false; }
+void Host_ConnectWiimote(int, bool) {}
+void Host_UpdateStatusBar(const std::string&, int) {}
+void Host_SysMessage(const char*, ...) {}
+void Host_SetWiiMoteConnectionState(int) {}
+void Host_ShowVideoConfig(void*, const std::string&, const std::string&) {}
+cInterfaceBase* HostGL_CreateGLInterface() { return nullptr; }