Added google testing library

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "external/googletest"]
+	path = external/googletest
+	url = https://github.com/google/googletest.git

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)
 

tests/CMakeLists.txt

@@ -0,0 +1,12 @@
+# Creates the binary to run the tests #
+file (GLOB TestSources src/*.cpp inc/*.h)
+add_executable(LXC_Tests ${TestSources})
+
+# Links with GoogleTest #
+target_link_libraries(LXC_Tests
+	gtest
+	gtest_main
+)
+
+# Registers the test #
+include(GoogleTest)

tests/src/LXC_Tests.cpp

@@ -0,0 +1,11 @@
+#include <gtest/gtest.h>
+
+TEST(IWantSomeTestsToPass, BasicTest1)
+{
+    EXPECT_EQ(1 + 1, 2);
+}
+
+TEST(IWantSomeTestsToPass, BasicTest2)
+{
+    EXPECT_EQ(1 + 2, 2);
+}