/*
    * Licensed to the Apache Software Foundation (ASF) under one or more
    * contributor license agreements.  See the NOTICE file distributed with
    * this work for additional information regarding copyright ownership.
    * The ASF licenses this file to You 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 org.apache.commons.collections4.map;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertSame;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  import java.util.HashMap;
  import java.util.Locale;
  import java.util.Map;
  import java.util.Set;
  
  import org.apache.commons.lang3.StringUtils;
  import org.junit.jupiter.api.Test;
  
  /**
   * Tests for the {@link CaseInsensitiveMap} implementation.
   *
   * @param <K> the key type.
   * @param <V> the value type.
   */
  public class CaseInsensitiveMapTest<K, V> extends AbstractIterableMapTest<K, V> {
  
      @Override
      public String getCompatibilityVersion() {
          return "4";
      }
  
      @Override
      public CaseInsensitiveMap<K, V> makeObject() {
          return new CaseInsensitiveMap<>();
      }
  
      @Test
      @SuppressWarnings("unchecked")
      public void testCaseInsensitive() {
          final Map<K, V> map = makeObject();
          map.put((K) "One", (V) "One");
          map.put((K) "Two", (V) "Two");
          assertEquals("One", map.get("one"));
          assertEquals("One", map.get("oNe"));
          map.put((K) "two", (V) "Three");
          assertEquals("Three", map.get("Two"));
      }
  
      @Test
      @SuppressWarnings("unchecked")
      public void testClone() {
          final CaseInsensitiveMap<K, V> map = new CaseInsensitiveMap<>(10);
          map.put((K) "1", (V) "1");
          final CaseInsensitiveMap<K, V> cloned = map.clone();
          assertEquals(map.size(), cloned.size());
          assertSame(map.get("1"), cloned.get("1"));
      }
  
      /**
       * Test for <a href="https://issues.apache.org/jira/browse/COLLECTIONS-323">COLLECTIONS-323</a>.
       */
      @Test
      public void testInitialCapacityZero() {
          final CaseInsensitiveMap<String, String> map = new CaseInsensitiveMap<>(0);
          assertEquals(1, map.data.length);
      }
  
      // COLLECTIONS-294
      @Test
      public void testLocaleIndependence() {
          final Locale orig = Locale.getDefault();
  
          final Locale[] locales = { Locale.ENGLISH, new Locale("tr", StringUtils.EMPTY, StringUtils.EMPTY), Locale.getDefault() };
  
          final String[][] data = {
              { "i", "I" },
              { "\u03C2", "\u03C3" },
              { "\u03A3", "\u03C2" },
              { "\u03A3", "\u03C3" },
          };
  
          try {
              for (final Locale locale : locales) {
                  Locale.setDefault(locale);
                  for (int j = 0; j < data.length; j++) {
                      assertTrue(data[j][0].equalsIgnoreCase(data[j][1]), "Test data corrupt: " + j);
                      final CaseInsensitiveMap<String, String> map = new CaseInsensitiveMap<>();
                     map.put(data[j][0], "value");
                     assertEquals("value", map.get(data[j][1]), Locale.getDefault() + ": " + j);
                 }
             }
         } finally {
             Locale.setDefault(orig);
         }
     }
 
 //    public void testCreate() throws Exception {
 //        resetEmpty();
 //        writeExternalFormToDisk((java.io.Serializable) map, "src/test/resources/data/test/CaseInsensitiveMap.emptyCollection.version4.obj");
 //        resetFull();
 //        writeExternalFormToDisk((java.io.Serializable) map, "src/test/resources/data/test/CaseInsensitiveMap.fullCollection.version4.obj");
 //    }
 
     @Test
     @SuppressWarnings("unchecked")
     public void testNullHandling() {
         final Map<K, V> map = makeObject();
         map.put((K) "One", (V) "One");
         map.put((K) "Two", (V) "Two");
         map.put(null, (V) "Three");
         assertEquals("Three", map.get(null));
         map.put(null, (V) "Four");
         assertEquals("Four", map.get(null));
         final Set<K> keys = map.keySet();
         assertTrue(keys.contains("one"));
         assertTrue(keys.contains("two"));
         assertTrue(keys.contains(null));
         assertEquals(3, keys.size());
     }
 
     @Test
     public void testPutAll() {
         final Map<Object, String> map = new HashMap<>();
         map.put("One", "One");
         map.put("Two", "Two");
         map.put("one", "Three");
         map.put(null, "Four");
         map.put(Integer.valueOf(20), "Five");
         final Map<Object, String> caseInsensitiveMap = new CaseInsensitiveMap<>(map);
         assertEquals(4, caseInsensitiveMap.size()); // ones collapsed
         final Set<Object> keys = caseInsensitiveMap.keySet();
         assertTrue(keys.contains("one"));
         assertTrue(keys.contains("two"));
         assertTrue(keys.contains(null));
         assertTrue(keys.contains(Integer.toString(20)));
         assertEquals(4, keys.size());
         assertTrue(!caseInsensitiveMap.containsValue("One")
             || !caseInsensitiveMap.containsValue("Three")); // ones collapsed
         assertEquals("Four", caseInsensitiveMap.get(null));
     }
 }