Added google testing library

CMakeLists.txt

@@ -10,6 +10,11 @@ project(LXC_Project LANGUAGES CXX)
 # Makes .exes be outputted within the root directory #
 set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_SOURCE_DIR})
 
+# Adds the G-Tests #
+enable_testing()
+add_subdirectory(external/googletest)
+add_subdirectory(tests)
+
 # Adds the sub-directories of all of the binaries #
 add_subdirectory(Lexer)