[MIRROR] (Partially) Fixes Out Of Memory crashes (#10092)

Co-authored-by: Cameron Lennox <killer65311@gmail.com>
Co-authored-by: Kashargul <144968721+Kashargul@users.noreply.github.com>

code/unit_tests/zz_tests.dm

@@ -0,0 +1,30 @@
+///NOTE: LEAVE THIS FILE UNTICKED AND THE SEGMENTS OF CODE COMMENTED OUT UNLESS YOU NEED TO DO SOMETHING SPECIFIC / TRACK SOMETHING SPECIFIC.
+
+
+/*
+/// Testing if DNA & Species datums get destoryed or not. Use this as a basis to test for memory leaks.
+/// This happens if DNA is copied from somewhere but not qdel_swap()'d. WARNING: Not every time it's copied should be qdel_swap()'d.
+/// But if you are doing anything DNA copy related, turn this on and make sure it's not infintely storing a datum somewhere.
+GLOBAL_VAR(total_dna_counters)
+GLOBAL_VAR(total_species_counters)
+
+/datum/dna/New()
+	. = ..()
+	GLOB.total_dna_counters += 1
+
+/datum/dna/Destroy()
+	. = ..()
+	GLOB.total_dna_counters -= 1
+
+/datum/species/New()
+	. = ..()
+	GLOB.total_species_counters += 1
+
+/datum/species/Destroy()
+	. = ..()
+	GLOB.total_species_counters -= 1
+
+/proc/delete_all_monkeys()
+	for(var/mob/living/carbon/human/monkey/monkeys in world)
+		qdel(monkeys)
+*/