code/modules/unit_tests/~nova/limb_marking_cache.dm 
| /datum/unit_test/limb_marking_cache | Shared setup for the limb marking cache tests. Abstract, so the runner never runs it on its own. |
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| /datum/unit_test/limb_marking_cache/zone_views | Limbs hold the DNA's own zone lists instead of copies, and a detached limb keeps drawing the ones it last got. |
| /datum/unit_test/limb_marking_cache/icon_keys | A limb's icon key tells apart every marking state that draws differently, so no body shows another's cached limb. |
| /datum/unit_test/limb_marking_cache/husk_keys | A husk draws its markings grey but keeps their glow, so husks differing only in glow must not share a cached limb. |