/*
* 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.tomcat.util.collections;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import org.junit.Assert;
import org.junit.Test;
public class TestCaseInsensitiveKeyMap {
@Test
public void testPut() {
Object o1 = new Object();
Object o2 = new Object();
CaseInsensitiveKeyMap<Object> map = new CaseInsensitiveKeyMap<>();
map.put("a", o1);
Object o = map.put("A", o2);
Assert.assertEquals(o1, o);
Assert.assertEquals(o2, map.get("a"));
Assert.assertEquals(o2, map.get("A"));
}
@Test(expected=NullPointerException.class)
public void testPutNullKey() {
Object o1 = new Object();
CaseInsensitiveKeyMap<Object> map = new CaseInsensitiveKeyMap<>();
map.put(null, o1);
}
@Test
public void testGet() {
Object o1 = new Object();
CaseInsensitiveKeyMap<Object> map = new CaseInsensitiveKeyMap<>();
map.put("a", o1);
Assert.assertEquals(o1, map.get("a"));
Assert.assertEquals(o1, map.get("A"));
}
@Test
public void testGetNullKey() {
Object o1 = new Object();
CaseInsensitiveKeyMap<Object> map = new CaseInsensitiveKeyMap<>();
map.put("a", o1);
Assert.assertNull(map.get(null));
}
@Test
public void testContainsKey() {
Object o1 = new Object();
CaseInsensitiveKeyMap<Object> map = new CaseInsensitiveKeyMap<>();
map.put("a", o1);
Assert.assertTrue(map.containsKey("a"));
Assert.assertTrue(map.containsKey("A"));
}
@Test
public void testContainsKeyNonString() {
Object o1 = new Object();
CaseInsensitiveKeyMap<Object> map = new CaseInsensitiveKeyMap<>();
map.put("a", o1);
Assert.assertFalse(map.containsKey(o1));
}
@Test
public void testContainsKeyNull() {
Object o1 = new Object();
CaseInsensitiveKeyMap<Object> map = new CaseInsensitiveKeyMap<>();
map.put("a", o1);
Assert.assertFalse(map.containsKey(null));
}
@Test
public void testContainsValue() {
Object o1 = new Object();
CaseInsensitiveKeyMap<Object> map = new CaseInsensitiveKeyMap<>();
map.put("a", o1);
Assert.assertTrue(map.containsValue(o1));
}
@Test
public void testRemove() {
Object o1 = new Object();
CaseInsensitiveKeyMap<Object> map = new CaseInsensitiveKeyMap<>();
map.put("a", o1);
Assert.assertFalse(map.isEmpty());
map.remove("A");
Assert.assertTrue(map.isEmpty());
map.put("A", o1);
Assert.assertFalse(map.isEmpty());
map.remove("a");
Assert.assertTrue(map.isEmpty());
}
@Test
public void testClear() {
Object o1 = new Object();
CaseInsensitiveKeyMap<Object> map = new CaseInsensitiveKeyMap<>();
for (int i = 0; i < 10; i++) {
map.put(Integer.toString(i), o1);
}
Assert.assertEquals(10, map.size());
map.clear();
Assert.assertEquals(0, map.size());
}
@Test
public void testPutAll() {
Object o1 = new Object();
Object o2 = new Object();
Map<String,Object> source = new HashMap<>();
source.put("a", o1);
source.put("A", o2);
CaseInsensitiveKeyMap<Object> map = new CaseInsensitiveKeyMap<>();
map.putAll(source);
Assert.assertEquals(1, map.size());
Assert.assertTrue(map.containsValue(o1) != map.containsValue(o2));
}
@Test
public void testKeySetContains() {
Object o1 = new Object();
CaseInsensitiveKeyMap<Object> map = new CaseInsensitiveKeyMap<>();
map.put("a", o1);
Set<String> keys = map.keySet();
Assert.assertTrue(keys.contains("a"));
Assert.assertTrue(keys.contains("A"));
}
@Test
public void testKeySetRemove() {
Object o1 = new Object();
CaseInsensitiveKeyMap<Object> map = new CaseInsensitiveKeyMap<>();
map.put("a", o1);
Iterator<String> iter = map.keySet().iterator();
Assert.assertTrue(iter.hasNext());
iter.next();
iter.remove();
Assert.assertTrue(map.isEmpty());
}
@Test
public void testEntrySetRemove() {
Object o1 = new Object();
CaseInsensitiveKeyMap<Object> map = new CaseInsensitiveKeyMap<>();
map.put("a", o1);
Iterator<Entry<String,Object>> iter = map.entrySet().iterator();
Assert.assertTrue(iter.hasNext());
Entry<String,Object> entry = iter.next();
Assert.assertEquals("a", entry.getKey());
Assert.assertEquals(o1, entry.getValue());
iter.remove();
Assert.assertTrue(map.isEmpty());
}
}