Create MutableMapFromJavaTest

src/test/java/kala/collection/mutable/MutableMapFromJavaTest.java

@@ -0,0 +1,56 @@
+/*
+ * Copyright 2025 Glavo
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package kala.collection.mutable;
+
+import kala.collection.factory.MapFactory;
+
+import java.util.HashMap;
+
+public final class MutableMapFromJavaTest implements MutableMapTestTemplate {
+    @Override
+    public <K, V> MapFactory<K, V, ?, MutableMap<K, V>> factory() {
+        return new Factory<>();
+    }
+
+    @Override
+    public Class<?> mapType() {
+        return null;
+    }
+
+    private static final class Factory<K, V> implements MapFactory<K, V, HashMap<K, V>, MutableMap<K, V>> {
+
+        @Override
+        public HashMap<K, V> newBuilder() {
+            return new HashMap<>();
+        }
+
+        @Override
+        public MutableMap<K, V> build(HashMap<K, V> builder) {
+            return MutableMap.wrapJava(builder);
+        }
+
+        @Override
+        public void addToBuilder(HashMap<K, V> builder, K key, V value) {
+            builder.put(key, value);
+        }
+
+        @Override
+        public HashMap<K, V> mergeBuilder(HashMap<K, V> builder1, HashMap<K, V> builder2) {
+            builder1.putAll(builder2);
+            return builder1;
+        }
+    }
+}