Add implementation for internal unit test - WIP

src/IhtaAddLibrary.cmake

@@ -30,6 +30,7 @@ macro (ihta_add_library)
 		NAME
 		LIBRARY_TYPE
 		INCLUDE_DIR
+		SRC_DIR
 		INSTALL_INCLUDE_DIR
 		IDE_FOLDER
 		OBJECT_LIB_POSTFIX
@@ -57,6 +58,10 @@ macro (ihta_add_library)
 		set (IHTA_ADD_LIB_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/include)
 	endif ()
 
+	if (NOT DEFINED IHTA_ADD_LIB_SRC_DIR)
+		set (IHTA_ADD_LIB_SRC_DIR ${CMAKE_CURRENT_SOURCE_DIR}/src)
+	endif ()
+
 	if (NOT DEFINED IHTA_ADD_LIB_OBJECT_LIB_POSTFIX)
 		set (IHTA_ADD_LIB_OBJECT_LIB_POSTFIX _object)
 	endif ()
@@ -131,7 +136,19 @@ macro (ihta_add_library)
 
 	if (IHTA_ADD_LIB_TEST_SOURCES)
 		if (IHTA_ADD_LIB_TEST_INPLACE OR IHTA_ADD_LIB_TEST_INTERNALS)
-			message(FATAL_ERROR TODO)
+			set (IHTA_ADD_LIB_TEST_TARGET ${IHTA_ADD_LIB_NAME}UnitTest)
+			ihta_add_test (
+				NAME ${IHTA_ADD_LIB_TEST_TARGET}
+				IDE_FOLDER ${IHTA_ADD_LIB_IDE_FOLDER}
+				SOURCES ${IHTA_ADD_LIB_TEST_SOURCES} $<TARGET_OBJECTS:${IHTA_ADD_LIB_TARGET}>
+				COV_SOURCES ${IHTA_ADD_LIB_INCLUDE_DIR} ${IHTA_ADD_LIB_SRC_DIR}
+			)
+
+			target_include_directories (
+				${IHTA_ADD_LIB_TEST_TARGET}
+				PUBLIC $<BUILD_INTERFACE:${IHTA_ADD_LIB_INCLUDE_DIR}>
+				PUBLIC $<BUILD_INTERFACE:${IHTA_ADD_LIB_SRC_DIR}>
+			)
 		else ()
 			ihta_add_test (
 				TEST_TARGET ${IHTA_ADD_LIB_TARGET} IDE_FOLDER ${IHTA_ADD_LIB_IDE_FOLDER} SOURCES