/*
 * QQQ - Low-code Application Framework for Engineers.
 * Copyright (C) 2021-2023.  Kingsrook, LLC
 * 651 N Broad St Ste 205 # 6917 | Middletown DE 19709 | United States
 * contact@kingsrook.com
 * https://github.com/Kingsrook/
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

package com.kingsrook.qqq.backend.core.utils.collections;


import java.util.LinkedHashMap;
import java.util.Map;
import com.kingsrook.qqq.backend.core.BaseTest;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.assertEquals;


/*******************************************************************************
 ** Unit test for com.kingsrook.qqq.backend.core.utils.collections.MutableMap
 *******************************************************************************/
class MutableMapTest extends BaseTest
{

   /*******************************************************************************
    **
    *******************************************************************************/
   @Test
   void test()
   {
      MutableMap<String, Integer> map = new MutableMap<>(Map.of("a", 1));
      map.clear();
      map.put("b", 2);

      map = new MutableMap<>(Map.of("a", 1));
      map.remove("a");
      map.putAll(Map.of("c", 3, "d", 4));
   }



   /*******************************************************************************
    **
    *******************************************************************************/
   @Test
   void testNullInput()
   {
      Map<Integer, String> map = new MutableMap<>(null);
      map.put(1, "one");
      assertEquals(1, map.size());

      MutableMap<Integer, String> mutableMap = new MutableMap<>(null, LinkedHashMap::new);
      mutableMap.put(1, "uno");
      assertEquals(1, mutableMap.size());
      assertEquals(LinkedHashMap.class, mutableMap.getUnderlyingMap().getClass());
   }

}