KT-54739 Return single empty inst from collection builders(all src-sets)

Fixed remaining builders, added additional checks to a test.

^KT-54739 fixed

libraries/stdlib/js/src/kotlin/collections/ArrayList.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2018 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2023 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 
@@ -13,6 +13,10 @@ package kotlin.collections
  * capacity and "growth increment" concepts.
  */
 public actual open class ArrayList<E> internal constructor(private var array: Array<Any?>) : AbstractMutableList<E>(), MutableList<E>, RandomAccess {
+    private companion object {
+        private val Empty = ArrayList<Nothing>(0).also { it.isReadOnly = true }
+    }
+
     private var isReadOnly: Boolean = false
 
     /**
@@ -35,7 +39,7 @@ public actual open class ArrayList<E> internal constructor(private var array: Ar
     internal fun build(): List<E> {
         checkIsMutable()
         isReadOnly = true
-        return this
+        return if (size > 0) this else Empty
     }
 
     /** Does nothing in this ArrayList implementation. */

libraries/stdlib/js/src/kotlin/collections/LinkedHashMap.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2023 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 
@@ -18,6 +18,9 @@ import kotlin.collections.MutableMap.MutableEntry
  * The insertion order is preserved by maintaining a doubly-linked list of all of its entries.
  */
 public actual open class LinkedHashMap<K, V> : HashMap<K, V>, MutableMap<K, V> {
+    private companion object {
+        private val Empty = LinkedHashMap<Nothing, Nothing>(0).also { it.isReadOnly = true }
+    }
 
     /**
      * The entry we use includes next/prev pointers for a doubly-linked circular
@@ -204,7 +207,8 @@ public actual open class LinkedHashMap<K, V> : HashMap<K, V>, MutableMap<K, V> {
     internal fun build(): Map<K, V> {
         checkIsMutable()
         isReadOnly = true
-        return this
+        @Suppress("UNCHECKED_CAST")
+        return if (size > 0) this else (Empty as Map<K, V>)
     }
 
     actual override fun clear() {

libraries/stdlib/js/src/kotlin/collections/LinkedHashSet.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2018 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2023 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 /*
@@ -15,6 +15,11 @@ package kotlin.collections
  * This implementation preserves the insertion order of elements during the iteration.
  */
 public actual open class LinkedHashSet<E> : HashSet<E>, MutableSet<E> {
+    private companion object {
+        private val Empty = LinkedHashSet<Nothing>(0).also {
+            (it.map as LinkedHashMap<Nothing, Any>).build()
+        }
+    }
 
     internal constructor(map: LinkedHashMap<E, Any>) : super(map)
 
@@ -45,7 +50,7 @@ public actual open class LinkedHashSet<E> : HashSet<E>, MutableSet<E> {
     @PublishedApi
     internal fun build(): Set<E> {
         (map as LinkedHashMap<E, Any>).build()
-        return this
+        return if (size > 0) this else Empty
     }
 
     internal override fun checkIsMutable(): Unit = map.checkIsMutable()