the universal builder:build/multi_build methods

develop/all.lua

@@ -1,5 +1,6 @@
 require 'develop.samples.systems'
 
+require 'develop.testing.build_tests'
 require 'develop.testing.cancel_tests'
 require 'develop.testing.locate_tests'
 require 'develop.testing.multi_spawn_tests'

develop/testing/build_tests.lua

@@ -0,0 +1,41 @@
+local evo = require 'evolved'
+
+do
+    local f1, f2 = evo.id(2)
+
+    do
+        local e = evo.builder():set(f1, 42):set(f2, 'hello'):build()
+        assert(evo.has(e, f1) and evo.get(e, f1) == 42)
+        assert(evo.has(e, f2) and evo.get(e, f2) == 'hello')
+    end
+
+    do
+        local p = evo.builder():set(f1, 42):build()
+        local e = evo.builder():set(f2, 'hello'):build(p)
+        assert(evo.has(e, f1) and evo.get(e, f1) == 42)
+        assert(evo.has(e, f2) and evo.get(e, f2) == 'hello')
+    end
+
+    do
+        local entity_list, entity_count = evo.builder():set(f1, 42):set(f2, 'hello'):multi_build(5)
+        assert(entity_count == 5)
+
+        for i = 1, entity_count do
+            local e = entity_list[i]
+            assert(evo.has(e, f1) and evo.get(e, f1) == 42)
+            assert(evo.has(e, f2) and evo.get(e, f2) == 'hello')
+        end
+    end
+
+    do
+        local p = evo.builder():set(f1, 42):build()
+        local entity_list, entity_count = evo.builder():set(f2, 'hello'):multi_build(5, p)
+        assert(entity_count == 5)
+
+        for i = 1, entity_count do
+            local e = entity_list[i]
+            assert(evo.has(e, f1) and evo.get(e, f1) == 42)
+            assert(evo.has(e, f2) and evo.get(e, f2) == 'hello')
+        end
+    end
+end