content: /*
   * 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 com.aliyun.oss.common.utils;
  
  
  import org.junit.Test;
  
  import java.util.HashMap;
  import java.util.Map;
  
  import static org.junit.Assert.assertEquals;
  
  public class CaseInsensitiveMapTest {
      @Test
      public void testCaseInsensitiveMap() {
  
          CaseInsensitiveMap<String> map = new CaseInsensitiveMap<String>();
  
          assertEquals(0, map.size());
          assertEquals(true, map.isEmpty());
  
          map.put("key", "value");
          assertEquals("value", map.get("key"));
          assertEquals("value", map.get("KEY"));
          assertEquals(true, map.containsKey("KEY"));
          assertEquals(true, map.containsValue("value"));
          assertEquals(false, map.containsValue("Value"));
          assertEquals(1, map.size());
  
          Map<String, String> map2 = new HashMap<String, String>();
          map2.put("key", "value");
          map2.put("Key", "Value");
          assertEquals(2, map2.size());
          map.clear();
          assertEquals(0, map.size());
          map.putAll(map2);
          assertEquals(1, map.size());
  
          CaseInsensitiveMap<String> map3 = new CaseInsensitiveMap<String>(map);
          assertEquals(1, map3.size());
  
          assertEquals(1, map.keySet().size());
          assertEquals(1, map.values().size());
          assertEquals(1, map.entrySet().size());
  
          map.remove("key");
          assertEquals(0, map.size());
      }
  
  }
  