I dunno what this is but AA wanted it

code/modules/unit_tests/origin_tech.dm

@@ -0,0 +1,11 @@
+/datum/unit_test/origin_tech_test/Run()
+	var/regex/nums = regex("^\[0-9]+")
+	for(var/tpath in subtypesof(/obj/item))
+    	var/obj/item/I = tpath
+    	var/tech_str = initial(I.origin_tech)
+
+    	var/list/tech_list = params2list(tech_str)
+
+    	for(var/k in tech_list)
+    	if(length(nums.Replace(tech_list[k], "")) > 0)
+        	Fail("Invalid origin tech for [tpath]: [tech_str]")