the brand new destroying entity/fragment process

develop/fuzzing/destroy_fuzz.lua

@@ -0,0 +1,127 @@
+local evo = require 'evolved'
+
+evo.debug_mode(true)
+
+---
+---
+---
+---
+---
+
+local __table_unpack = (function()
+    ---@diagnostic disable-next-line: deprecated
+    return table.unpack or unpack
+end)()
+
+---
+---
+---
+---
+---
+
+local all_entity_list = {} ---@type evolved.entity[]
+
+for i = 1, math.random(1, 10) do
+    local entity = evo.id()
+    all_entity_list[i] = entity
+end
+
+for _, entity in ipairs(all_entity_list) do
+    for _ = 0, math.random(0, #all_entity_list) do
+        local fragment = all_entity_list[math.random(1, #all_entity_list)]
+        evo.set(entity, fragment)
+    end
+
+    if math.random(1, 5) == 1 then
+        evo.set(entity, evo.DESTROY_POLICY, evo.DESTROY_POLICY_DESTROY_ENTITY)
+    end
+
+    if math.random(1, 5) == 1 then
+        evo.set(entity, evo.DESTROY_POLICY, evo.DESTROY_POLICY_REMOVE_FRAGMENT)
+    end
+end
+
+---
+---
+---
+---
+---
+
+local should_be_destroyed_entity_set = {} ---@type table<evolved.entity, integer>
+local should_be_destroyed_entity_list = {} ---@type evolved.entity[]
+local should_be_destroyed_entity_count = 0 ---@type integer
+
+local function collect_destroyed_entities_with(entity)
+    local entity_destroy_policy = evo.get(entity, evo.DESTROY_POLICY)
+        or evo.DESTROY_POLICY_REMOVE_FRAGMENT
+
+    if entity_destroy_policy == evo.DESTROY_POLICY_DESTROY_ENTITY then
+        for _, other_entity in ipairs(all_entity_list) do
+            if evo.has(other_entity, entity) and not should_be_destroyed_entity_set[other_entity] then
+                should_be_destroyed_entity_count = should_be_destroyed_entity_count + 1
+                should_be_destroyed_entity_list[should_be_destroyed_entity_count] = other_entity
+                should_be_destroyed_entity_set[other_entity] = should_be_destroyed_entity_count
+            end
+        end
+    end
+end
+
+local destroying_entity_list = {} ---@type evolved.entity[]
+
+for i = 1, math.random(1, #all_entity_list) do
+    local destroying_entity = all_entity_list[math.random(1, #all_entity_list)]
+    destroying_entity_list[i] = destroying_entity
+    collect_destroyed_entities_with(destroying_entity)
+end
+
+do
+    local r = math.random(1, 4)
+
+    if r == 1 then
+        evo.destroy(__table_unpack(destroying_entity_list))
+    elseif r == 2 then
+        assert(evo.defer())
+        evo.destroy(__table_unpack(destroying_entity_list))
+        assert(evo.commit())
+    elseif r == 3 then
+        for _, destroying_entity in ipairs(destroying_entity_list) do
+            evo.destroy(destroying_entity)
+        end
+    elseif r == 4 then
+        assert(evo.defer())
+        for _, destroying_entity in ipairs(destroying_entity_list) do
+            evo.destroy(destroying_entity)
+        end
+        assert(evo.commit())
+    end
+end
+
+---
+---
+---
+---
+---
+
+local all_chunk_query = evo.query():build()
+
+for chunk in evo.execute(all_chunk_query) do
+    assert(not evo.has_any(chunk, __table_unpack(destroying_entity_list)))
+    assert(not evo.has_any(chunk, __table_unpack(should_be_destroyed_entity_list)))
+end
+
+for _, destroying_entity in ipairs(destroying_entity_list) do
+    assert(not evo.is_alive(destroying_entity))
+end
+
+for _, destroyed_entity in ipairs(should_be_destroyed_entity_list) do
+    assert(not evo.is_alive(destroyed_entity))
+end
+
+---
+---
+---
+---
+---
+
+evo.destroy(__table_unpack(all_entity_list))
+evo.collect_garbage()