test: add tests for vectors

CMakeLists.txt

@@ -12,9 +12,9 @@ target_include_directories(curtle
 )
 
 find_library(MATH_LIB m)
-if(MATH_LIB)
+if (MATH_LIB)
     target_link_libraries(curtle PUBLIC ${MATH_LIB})
-endif()
+endif ()
 
 install(TARGETS curtle
         EXPORT curtleTargets
@@ -24,9 +24,11 @@ install(TARGETS curtle
 
 install(DIRECTORY include/ DESTINATION include)
 
+add_subdirectory(libs/unity)
+
 enable_testing()
 
 add_executable(test_vector tests/test_vector.c)
-target_link_libraries(test_vector curtle)
+target_link_libraries(test_vector PRIVATE curtle Unity)
 
 add_test(NAME vector_test COMMAND test_vector)