add dataspan

core/test/defs.test.cpp

@@ -0,0 +1,8 @@
+#include <catch2/catch_test_macros.hpp>
+#include <string>
+#include "aare/defs.hpp"
+TEST_CASE("Enum to string conversion"){
+    //By the way I don't think the enum string conversions should be in the defs.hpp file
+    //but let's use this to show a test
+    REQUIRE(toString(DetectorType::Jungfrau) == "Jungfrau");
+}