[Wasm] Support lazy associated object initialisation

Fix #KT-63939
2024-01-24 16:01:14 +01:00
parent e7c1de1356
commit 552ee1ee38
12 changed files with 140 additions and 58 deletions
@@ -0,0 +1,64 @@
+@file:OptIn(ExperimentalAssociatedObjects::class)
+
+import kotlin.reflect.AssociatedObjectKey
+import kotlin.reflect.ExperimentalAssociatedObjects
+import kotlin.reflect.findAssociatedObject
+import kotlin.reflect.KClass
+
+private var obj1Init = false
+private var obj2Init = false
+private var obj3Init = false
+
+@AssociatedObjectKey
+annotation class KEY1(val kClass: KClass<*>)
+
+@AssociatedObjectKey
+annotation class KEY2(val kClass: KClass<*>)
+
+private object OBJ1 {
+    init { obj1Init = true }
+}
+
+private object OBJ2 {
+    init { obj2Init = true }
+}
+
+private object OBJ3 {
+    init { obj3Init = true }
+}
+
+@KEY1(OBJ1::class)
+class CLS1
+
+@KEY1(OBJ2::class)
+@KEY2(OBJ3::class)
+class CLS2
+
+fun box(): String {
+    // No objects initialised
+    if (obj1Init) return "FAIL1"
+    if (obj2Init) return "FAIL2"
+    if (obj3Init) return "FAIL3"
+
+    CLS1::class.findAssociatedObject<KEY2>()
+    if (obj1Init) return "FAIL4"
+    if (obj2Init) return "FAIL5"
+    if (obj3Init) return "FAIL6"
+
+    CLS1::class.findAssociatedObject<KEY1>()
+    if (!obj1Init) return "FAIL7"
+    if (obj2Init) return "FAIL8"
+    if (obj3Init) return "FAIL9"
+
+    CLS2::class.findAssociatedObject<KEY1>()
+    if (!obj1Init) return "FAIL10"
+    if (!obj2Init) return "FAIL11"
+    if (obj3Init) return "FAIL12"
+
+    CLS2::class.findAssociatedObject<KEY2>()
+    if (!obj1Init) return "FAIL13"
+    if (!obj2Init) return "FAIL14"
+    if (!obj3Init) return "FAIL15"
+
+    return "OK"
+}