/*
    * Copyright (c) 2002-2025 Gargoyle Software Inc.
    *
    * 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
    * https://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 org.htmlunit.html;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertFalse;
  import static org.junit.Assert.assertNotNull;
  import static org.junit.Assert.assertNull;
  import static org.junit.Assert.assertTrue;
  import static org.junit.Assert.fail;
  
  import java.util.HashMap;
  import java.util.Iterator;
  import java.util.Map;
  
  import org.junit.Test;
  
  /**
   * Tests for {@link NamedAttrNodeMapImpl}.
   *
   * @author Ronald Brill
   * @author Frank Danek
   */
  public class NamedAttrNodeMapImplTest {
  
      /**
       * Test constructors.
       * @throws Exception if an error occurs
       */
      @Test
      public void construction() throws Exception {
          try {
              new NamedAttrNodeMapImpl(null, true);
              fail("IllegalArgumentException expected.");
          }
          catch (final IllegalArgumentException e) {
              // expected
          }
  
          try {
              new NamedAttrNodeMapImpl(null, false);
              fail("IllegalArgumentException expected.");
          }
          catch (final IllegalArgumentException e) {
              // expected
          }
  
          final DomElement dom = new HtmlBreak("", null, null);
  
          NamedAttrNodeMapImpl map = new NamedAttrNodeMapImpl(dom, true);
          assertTrue(map.isEmpty());
  
          final Map<String, DomAttr> attribs = new HashMap<>();
          map = new NamedAttrNodeMapImpl(dom, true, attribs);
          assertTrue(map.isEmpty());
      }
  
      /**
       * Test the case sensitive version.
       * @throws Exception if an error occurs
       */
      @Test
      public void caseSensitive() throws Exception {
          final DomElement dom = new HtmlBreak("", null, null);
  
          NamedAttrNodeMapImpl map = new NamedAttrNodeMapImpl(dom, true);
          assertTrue(map.isEmpty());
          map.put("Key", new DomAttr(null, "", "", null, false));
          assertTrue(map.containsKey("Key"));
          assertFalse(map.containsKey("key"));
          assertNotNull(map.get("Key"));
          assertNull(map.get("key"));
  
          final Map<String, DomAttr> attribs = new HashMap<>();
          attribs.put("Key", new DomAttr(null, "", "", null, false));
  
          map = new NamedAttrNodeMapImpl(dom, true, attribs);
          assertTrue(map.containsKey("Key"));
          assertFalse(map.containsKey("key"));
          assertNotNull(map.get("Key"));
          assertNull(map.get("key"));
      }
  
      /**
       * Test the case insensitive version.
       * @throws Exception if an error occurs
       */
     @Test
     public void caseInSensitive() throws Exception {
         final DomElement dom = new HtmlBreak("", null, null);
 
         NamedAttrNodeMapImpl map = new NamedAttrNodeMapImpl(dom, false);
         assertTrue(map.isEmpty());
         map.put("Key", new DomAttr(null, "", "", null, false));
         assertTrue(map.containsKey("Key"));
         assertTrue(map.containsKey("key"));
         assertNotNull(map.get("Key"));
         assertNotNull(map.get("key"));
 
         final Map<String, DomAttr> attribs = new HashMap<>();
         attribs.put("Key", new DomAttr(null, "", "", null, false));
 
         map = new NamedAttrNodeMapImpl(dom, false, attribs);
         assertTrue(map.containsKey("Key"));
         assertTrue(map.containsKey("key"));
         assertNotNull(map.get("Key"));
         assertNotNull(map.get("key"));
     }
 
     /**
      * Test the case insensitive version.
      * @throws Exception if an error occurs
      */
     @Test
     public void preseveOrderCaseInsensitive() throws Exception {
         final DomElement dom = new HtmlBreak("", null, null);
 
         final NamedAttrNodeMapImpl map = new NamedAttrNodeMapImpl(dom, false);
         assertTrue(map.isEmpty());
         map.put("Key1", new DomAttr(null, "", "attr1", null, false));
         map.put("Key2", new DomAttr(null, "", "attr2", null, false));
 
         assertTrue(map.containsKey("Key1"));
         assertTrue(map.containsKey("Key2"));
 
         assertEquals("attr1", map.item(0).getNodeName());
         assertEquals("attr2", map.item(1).getNodeName());
 
         final Iterator<String> keys = map.keySet().iterator();
         assertEquals("key1", keys.next());
         assertEquals("key2", keys.next());
 
         final Iterator<Map.Entry<String, DomAttr>> attrs = map.entrySet().iterator();
 
         Map.Entry<String, DomAttr> entry = attrs.next();
         assertEquals("key1", entry.getKey());
         assertEquals("attr1", entry.getValue().getNodeName());
 
         entry = attrs.next();
         assertEquals("key2", entry.getKey());
         assertEquals("attr2", entry.getValue().getNodeName());
     }
 
     /**
      * Test the case insensitive version.
      * @throws Exception if an error occurs
      */
     @Test
     public void preseveOrderCaseSensitive() throws Exception {
         final DomElement dom = new HtmlBreak("", null, null);
 
         final NamedAttrNodeMapImpl map = new NamedAttrNodeMapImpl(dom, true);
         assertTrue(map.isEmpty());
         map.put("Key1", new DomAttr(null, "", "attr1", null, false));
         map.put("Key2", new DomAttr(null, "", "attr2", null, false));
 
         assertTrue(map.containsKey("Key1"));
         assertTrue(map.containsKey("Key2"));
 
         assertEquals("attr1", map.item(0).getNodeName());
         assertEquals("attr2", map.item(1).getNodeName());
 
         final Iterator<String> keys = map.keySet().iterator();
         assertEquals("Key1", keys.next());
         assertEquals("Key2", keys.next());
 
         final Iterator<Map.Entry<String, DomAttr>> attrs = map.entrySet().iterator();
 
         Map.Entry<String, DomAttr> entry = attrs.next();
         assertEquals("Key1", entry.getKey());
         assertEquals("attr1", entry.getValue().getNodeName());
 
         entry = attrs.next();
         assertEquals("Key2", entry.getKey());
         assertEquals("attr2", entry.getValue().getNodeName());
     }
 }