1449 lines
45 KiB
Java
1449 lines
45 KiB
Java
/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* This file is available under and governed by the GNU General Public
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* License version 2 only, as published by the Free Software Foundation.
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* However, the following notice accompanied the original version of this
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* file:
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*
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* Written by Doug Lea with assistance from members of JCP JSR-166
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* Expert Group and released to the public domain, as explained at
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* http://creativecommons.org/publicdomain/zero/1.0/
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*/
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Collection;
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import java.util.Iterator;
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import java.util.Map;
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import java.util.NavigableMap;
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import java.util.Set;
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import java.util.SortedMap;
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import java.util.concurrent.ConcurrentNavigableMap;
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import java.util.concurrent.ConcurrentSkipListMap;
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import junit.framework.Test;
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import junit.framework.TestSuite;
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public class ConcurrentSkipListSubMapTest extends JSR166TestCase {
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public static void main(String[] args) {
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main(suite(), args);
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}
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public static Test suite() {
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return new TestSuite(ConcurrentSkipListSubMapTest.class);
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}
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/**
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* Returns a new map from Items 1-5 to Strings "A"-"E".
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*/
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private static ConcurrentNavigableMap<Item,String> map5() {
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ConcurrentSkipListMap<Item,String>map = new ConcurrentSkipListMap<>();
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assertTrue(map.isEmpty());
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map.put(zero, "Z");
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map.put(one, "A");
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map.put(five, "E");
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map.put(three, "C");
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map.put(two, "B");
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map.put(four, "D");
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map.put(seven, "F");
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assertFalse(map.isEmpty());
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mustEqual(7, map.size());
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return map.subMap(one, true, seven, false);
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}
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/**
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* Returns a new map from Items -5 to -1 to Strings "A"-"E".
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*/
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private static ConcurrentNavigableMap<Item,String> dmap5() {
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ConcurrentSkipListMap<Item,String>map = new ConcurrentSkipListMap<>();
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assertTrue(map.isEmpty());
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map.put(minusOne, "A");
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map.put(minusFive, "E");
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map.put(minusThree, "C");
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map.put(minusTwo, "B");
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map.put(minusFour, "D");
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assertFalse(map.isEmpty());
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mustEqual(5, map.size());
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return map.descendingMap();
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}
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private static ConcurrentNavigableMap<Item,String> map0() {
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ConcurrentSkipListMap<Item,String>map = new ConcurrentSkipListMap<>();
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assertTrue(map.isEmpty());
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return map.tailMap(one, true);
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}
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private static ConcurrentNavigableMap<Item,String> dmap0() {
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ConcurrentSkipListMap<Item,String>map = new ConcurrentSkipListMap<>();
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assertTrue(map.isEmpty());
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return map;
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}
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/**
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* clear removes all pairs
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*/
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public void testClear() {
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ConcurrentNavigableMap<Item,String> map = map5();
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map.clear();
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mustEqual(0, map.size());
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}
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/**
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* Maps with same contents are equal
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*/
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public void testEquals() {
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ConcurrentNavigableMap<Item,String> map1 = map5();
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ConcurrentNavigableMap<Item,String> map2 = map5();
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mustEqual(map1, map2);
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mustEqual(map2, map1);
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map1.clear();
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assertFalse(map1.equals(map2));
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assertFalse(map2.equals(map1));
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}
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/**
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* containsKey returns true for contained key
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*/
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public void testContainsKey() {
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ConcurrentNavigableMap<Item,String> map = map5();
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assertTrue(map.containsKey(one));
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assertFalse(map.containsKey(zero));
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}
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/**
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* containsValue returns true for held values
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*/
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public void testContainsValue() {
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ConcurrentNavigableMap<Item,String> map = map5();
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assertTrue(map.containsValue("A"));
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assertFalse(map.containsValue("Z"));
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}
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/**
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* get returns the correct element at the given key,
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* or null if not present
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*/
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public void testGet() {
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ConcurrentNavigableMap<Item,String> map = map5();
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mustEqual("A", map.get(one));
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ConcurrentNavigableMap<Item,String> empty = map0();
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assertNull(empty.get(one));
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}
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/**
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* isEmpty is true of empty map and false for non-empty
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*/
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public void testIsEmpty() {
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ConcurrentNavigableMap<Item,String> empty = map0();
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ConcurrentNavigableMap<Item,String> map = map5();
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assertTrue(empty.isEmpty());
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assertFalse(map.isEmpty());
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}
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/**
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* firstKey returns first key
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*/
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public void testFirstKey() {
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ConcurrentNavigableMap<Item,String> map = map5();
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mustEqual(one, map.firstKey());
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}
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/**
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* lastKey returns last key
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*/
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public void testLastKey() {
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ConcurrentNavigableMap<Item,String> map = map5();
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mustEqual(five, map.lastKey());
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}
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/**
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* keySet returns a Set containing all the keys
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*/
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public void testKeySet() {
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ConcurrentNavigableMap<Item,String> map = map5();
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Set<Item> s = map.keySet();
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mustEqual(5, s.size());
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mustContain(s, one);
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mustContain(s, two);
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mustContain(s, three);
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mustContain(s, four);
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mustContain(s, five);
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}
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/**
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* keySet is ordered
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*/
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public void testKeySetOrder() {
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ConcurrentNavigableMap<Item,String> map = map5();
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Set<Item> s = map.keySet();
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Iterator<? extends Item> i = s.iterator();
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Item last = i.next();
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mustEqual(last, one);
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while (i.hasNext()) {
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Item k = i.next();
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assertTrue(last.compareTo(k) < 0);
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last = k;
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}
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}
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/**
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* values collection contains all values
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*/
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public void testValues() {
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ConcurrentNavigableMap<Item,String> map = map5();
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Collection<String> s = map.values();
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mustEqual(5, s.size());
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assertTrue(s.contains("A"));
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assertTrue(s.contains("B"));
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assertTrue(s.contains("C"));
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assertTrue(s.contains("D"));
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assertTrue(s.contains("E"));
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}
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/**
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* keySet.toArray returns contains all keys
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*/
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public void testKeySetToArray() {
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ConcurrentNavigableMap<Item,String> map = map5();
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Set<Item> s = map.keySet();
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Object[] ar = s.toArray();
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assertTrue(s.containsAll(Arrays.asList(ar)));
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mustEqual(5, ar.length);
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ar[0] = minusTen;
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assertFalse(s.containsAll(Arrays.asList(ar)));
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}
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/**
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* descendingkeySet.toArray returns contains all keys
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*/
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public void testDescendingKeySetToArray() {
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ConcurrentNavigableMap<Item,String> map = map5();
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Set<Item> s = map.descendingKeySet();
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Item[] ar = s.toArray(new Item[0]);
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mustEqual(5, ar.length);
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assertTrue(s.containsAll(Arrays.asList(ar)));
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ar[0] = minusTen;
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assertFalse(s.containsAll(Arrays.asList(ar)));
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}
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/**
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* Values.toArray contains all values
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*/
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public void testValuesToArray() {
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ConcurrentNavigableMap<Item,String> map = map5();
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Collection<String> v = map.values();
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String[] ar = v.toArray(new String[0]);
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ArrayList<String> s = new ArrayList<>(Arrays.asList(ar));
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mustEqual(5, ar.length);
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assertTrue(s.contains("A"));
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assertTrue(s.contains("B"));
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assertTrue(s.contains("C"));
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assertTrue(s.contains("D"));
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assertTrue(s.contains("E"));
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}
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/**
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* entrySet contains all pairs
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*/
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public void testEntrySet() {
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ConcurrentNavigableMap<Item,String> map = map5();
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Set<Map.Entry<Item,String>> s = map.entrySet();
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mustEqual(5, s.size());
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Iterator<Map.Entry<Item,String>> it = s.iterator();
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while (it.hasNext()) {
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Map.Entry<Item,String> e = it.next();
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assertTrue(
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(e.getKey().equals(one) && e.getValue().equals("A")) ||
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(e.getKey().equals(two) && e.getValue().equals("B")) ||
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(e.getKey().equals(three) && e.getValue().equals("C")) ||
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(e.getKey().equals(four) && e.getValue().equals("D")) ||
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(e.getKey().equals(five) && e.getValue().equals("E")));
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}
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}
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/**
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* putAll adds all key-value pairs from the given map
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*/
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public void testPutAll() {
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ConcurrentNavigableMap<Item,String> empty = map0();
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ConcurrentNavigableMap<Item,String> map = map5();
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empty.putAll(map);
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mustEqual(5, empty.size());
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assertTrue(empty.containsKey(one));
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assertTrue(empty.containsKey(two));
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assertTrue(empty.containsKey(three));
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assertTrue(empty.containsKey(four));
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assertTrue(empty.containsKey(five));
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}
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/**
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* putIfAbsent works when the given key is not present
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*/
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public void testPutIfAbsent() {
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ConcurrentNavigableMap<Item,String> map = map5();
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map.putIfAbsent(six, "Z");
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assertTrue(map.containsKey(six));
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}
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/**
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* putIfAbsent does not add the pair if the key is already present
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*/
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public void testPutIfAbsent2() {
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ConcurrentNavigableMap<Item,String> map = map5();
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mustEqual("A", map.putIfAbsent(one, "Z"));
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}
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/**
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* replace fails when the given key is not present
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*/
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public void testReplace() {
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ConcurrentNavigableMap<Item,String> map = map5();
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assertNull(map.replace(six, "Z"));
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assertFalse(map.containsKey(six));
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}
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/**
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* replace succeeds if the key is already present
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*/
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public void testReplace2() {
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ConcurrentNavigableMap<Item,String> map = map5();
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assertNotNull(map.replace(one, "Z"));
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mustEqual("Z", map.get(one));
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}
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/**
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* replace value fails when the given key not mapped to expected value
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*/
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public void testReplaceValue() {
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ConcurrentNavigableMap<Item,String> map = map5();
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mustEqual("A", map.get(one));
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assertFalse(map.replace(one, "Z", "Z"));
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mustEqual("A", map.get(one));
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}
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/**
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* replace value succeeds when the given key mapped to expected value
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*/
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public void testReplaceValue2() {
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ConcurrentNavigableMap<Item,String> map = map5();
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mustEqual("A", map.get(one));
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assertTrue(map.replace(one, "A", "Z"));
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mustEqual("Z", map.get(one));
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}
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/**
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* remove removes the correct key-value pair from the map
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*/
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public void testRemove() {
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ConcurrentNavigableMap<Item,String> map = map5();
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map.remove(five);
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mustEqual(4, map.size());
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assertFalse(map.containsKey(five));
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}
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/**
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* remove(key,value) removes only if pair present
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*/
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public void testRemove2() {
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ConcurrentNavigableMap<Item,String> map = map5();
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assertTrue(map.containsKey(five));
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mustEqual("E", map.get(five));
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map.remove(five, "E");
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mustEqual(4, map.size());
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assertFalse(map.containsKey(five));
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map.remove(four, "A");
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mustEqual(4, map.size());
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assertTrue(map.containsKey(four));
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}
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/**
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* lowerEntry returns preceding entry.
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*/
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public void testLowerEntry() {
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ConcurrentNavigableMap<Item,String> map = map5();
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Map.Entry<Item,String> e1 = map.lowerEntry(three);
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mustEqual(two, e1.getKey());
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Map.Entry<Item,String> e2 = map.lowerEntry(six);
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mustEqual(five, e2.getKey());
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Map.Entry<Item,String> e3 = map.lowerEntry(one);
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assertNull(e3);
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Map.Entry<Item,String> e4 = map.lowerEntry(zero);
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assertNull(e4);
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}
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/**
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* higherEntry returns next entry.
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*/
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public void testHigherEntry() {
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ConcurrentNavigableMap<Item,String> map = map5();
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Map.Entry<Item,String> e1 = map.higherEntry(three);
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mustEqual(four, e1.getKey());
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Map.Entry<Item,String> e2 = map.higherEntry(zero);
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mustEqual(one, e2.getKey());
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Map.Entry<Item,String> e3 = map.higherEntry(five);
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assertNull(e3);
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Map.Entry<Item,String> e4 = map.higherEntry(six);
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assertNull(e4);
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}
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/**
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* floorEntry returns preceding entry.
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*/
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public void testFloorEntry() {
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ConcurrentNavigableMap<Item,String> map = map5();
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Map.Entry<Item,String> e1 = map.floorEntry(three);
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mustEqual(three, e1.getKey());
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Map.Entry<Item,String> e2 = map.floorEntry(six);
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mustEqual(five, e2.getKey());
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Map.Entry<Item,String> e3 = map.floorEntry(one);
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mustEqual(one, e3.getKey());
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Map.Entry<Item,String> e4 = map.floorEntry(zero);
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assertNull(e4);
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}
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/**
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* ceilingEntry returns next entry.
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*/
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public void testCeilingEntry() {
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ConcurrentNavigableMap<Item,String> map = map5();
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Map.Entry<Item,String> e1 = map.ceilingEntry(three);
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mustEqual(three, e1.getKey());
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Map.Entry<Item,String> e2 = map.ceilingEntry(zero);
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mustEqual(one, e2.getKey());
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Map.Entry<Item,String> e3 = map.ceilingEntry(five);
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mustEqual(five, e3.getKey());
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Map.Entry<Item,String> e4 = map.ceilingEntry(six);
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assertNull(e4);
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}
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/**
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* pollFirstEntry returns entries in order
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*/
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public void testPollFirstEntry() {
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ConcurrentNavigableMap<Item,String> map = map5();
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Map.Entry<Item,String> e = map.pollFirstEntry();
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mustEqual(one, e.getKey());
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mustEqual("A", e.getValue());
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e = map.pollFirstEntry();
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mustEqual(two, e.getKey());
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map.put(one, "A");
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e = map.pollFirstEntry();
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mustEqual(one, e.getKey());
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mustEqual("A", e.getValue());
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e = map.pollFirstEntry();
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mustEqual(three, e.getKey());
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map.remove(four);
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e = map.pollFirstEntry();
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mustEqual(five, e.getKey());
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try {
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e.setValue("A");
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shouldThrow();
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} catch (UnsupportedOperationException success) {}
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e = map.pollFirstEntry();
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assertNull(e);
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}
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/**
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* pollLastEntry returns entries in order
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*/
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public void testPollLastEntry() {
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ConcurrentNavigableMap<Item,String> map = map5();
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Map.Entry<Item,String> e = map.pollLastEntry();
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mustEqual(five, e.getKey());
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mustEqual("E", e.getValue());
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e = map.pollLastEntry();
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mustEqual(four, e.getKey());
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map.put(five, "E");
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e = map.pollLastEntry();
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mustEqual(five, e.getKey());
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mustEqual("E", e.getValue());
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e = map.pollLastEntry();
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mustEqual(three, e.getKey());
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map.remove(two);
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e = map.pollLastEntry();
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mustEqual(one, e.getKey());
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try {
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e.setValue("E");
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shouldThrow();
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} catch (UnsupportedOperationException success) {}
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e = map.pollLastEntry();
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assertNull(e);
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}
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/**
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* size returns the correct values
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*/
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public void testSize() {
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ConcurrentNavigableMap<Item,String> map = map5();
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ConcurrentNavigableMap<Item,String> empty = map0();
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mustEqual(0, empty.size());
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mustEqual(5, map.size());
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}
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/**
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* toString contains toString of elements
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*/
|
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public void testToString() {
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ConcurrentNavigableMap<Item,String> map = map5();
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String s = map.toString();
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for (int i = 1; i <= 5; ++i) {
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assertTrue(s.contains(String.valueOf(i)));
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}
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}
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|
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// Exception tests
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|
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/**
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|
* get(null) of nonempty map throws NPE
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|
*/
|
|
public void testGet_NullPointerException() {
|
|
try {
|
|
ConcurrentNavigableMap<Item,String> c = map5();
|
|
c.get(null);
|
|
shouldThrow();
|
|
} catch (NullPointerException success) {}
|
|
}
|
|
|
|
/**
|
|
* containsKey(null) of nonempty map throws NPE
|
|
*/
|
|
public void testContainsKey_NullPointerException() {
|
|
try {
|
|
ConcurrentNavigableMap<Item,String> c = map5();
|
|
c.containsKey(null);
|
|
shouldThrow();
|
|
} catch (NullPointerException success) {}
|
|
}
|
|
|
|
/**
|
|
* containsValue(null) throws NPE
|
|
*/
|
|
public void testContainsValue_NullPointerException() {
|
|
try {
|
|
ConcurrentNavigableMap<Item,String> c = map0();
|
|
c.containsValue(null);
|
|
shouldThrow();
|
|
} catch (NullPointerException success) {}
|
|
}
|
|
|
|
/**
|
|
* put(null,x) throws NPE
|
|
*/
|
|
public void testPut1_NullPointerException() {
|
|
try {
|
|
ConcurrentNavigableMap<Item,String> c = map5();
|
|
c.put(null, "whatever");
|
|
shouldThrow();
|
|
} catch (NullPointerException success) {}
|
|
}
|
|
|
|
/**
|
|
* putIfAbsent(null, x) throws NPE
|
|
*/
|
|
public void testPutIfAbsent1_NullPointerException() {
|
|
try {
|
|
ConcurrentNavigableMap<Item,String> c = map5();
|
|
c.putIfAbsent(null, "whatever");
|
|
shouldThrow();
|
|
} catch (NullPointerException success) {}
|
|
}
|
|
|
|
/**
|
|
* replace(null, x) throws NPE
|
|
*/
|
|
public void testReplace_NullPointerException() {
|
|
try {
|
|
ConcurrentNavigableMap<Item,String> c = map5();
|
|
c.replace(null, "A");
|
|
shouldThrow();
|
|
} catch (NullPointerException success) {}
|
|
}
|
|
|
|
/**
|
|
* replace(null, x, y) throws NPE
|
|
*/
|
|
public void testReplaceValue_NullPointerException() {
|
|
try {
|
|
ConcurrentNavigableMap<Item,String> c = map5();
|
|
c.replace(null, "A", "B");
|
|
shouldThrow();
|
|
} catch (NullPointerException success) {}
|
|
}
|
|
|
|
/**
|
|
* remove(null) throws NPE
|
|
*/
|
|
public void testRemove1_NullPointerException() {
|
|
try {
|
|
ConcurrentNavigableMap<Item,String> c = map5();
|
|
c.remove(null);
|
|
shouldThrow();
|
|
} catch (NullPointerException success) {}
|
|
}
|
|
|
|
/**
|
|
* remove(null, x) throws NPE
|
|
*/
|
|
public void testRemove2_NullPointerException() {
|
|
try {
|
|
ConcurrentNavigableMap<Item,String> c = map5();
|
|
c.remove(null, "whatever");
|
|
shouldThrow();
|
|
} catch (NullPointerException success) {}
|
|
}
|
|
|
|
/**
|
|
* A deserialized/reserialized map equals original
|
|
*/
|
|
public void testSerialization() throws Exception {
|
|
NavigableMap<Item,String> x = map5();
|
|
NavigableMap<Item,String> y = serialClone(x);
|
|
|
|
assertNotSame(x, y);
|
|
mustEqual(x.size(), y.size());
|
|
mustEqual(x.toString(), y.toString());
|
|
mustEqual(x, y);
|
|
mustEqual(y, x);
|
|
}
|
|
|
|
/**
|
|
* subMap returns map with keys in requested range
|
|
*/
|
|
public void testSubMapContents() {
|
|
ConcurrentNavigableMap<Item,String> map = map5();
|
|
SortedMap<Item,String> sm = map.subMap(two, four);
|
|
mustEqual(two, sm.firstKey());
|
|
mustEqual(three, sm.lastKey());
|
|
mustEqual(2, sm.size());
|
|
assertFalse(sm.containsKey(one));
|
|
assertTrue(sm.containsKey(two));
|
|
assertTrue(sm.containsKey(three));
|
|
assertFalse(sm.containsKey(four));
|
|
assertFalse(sm.containsKey(five));
|
|
Iterator<? extends Item> i = sm.keySet().iterator();
|
|
Item k;
|
|
k = (Item)(i.next());
|
|
mustEqual(two, k);
|
|
k = (Item)(i.next());
|
|
mustEqual(three, k);
|
|
assertFalse(i.hasNext());
|
|
Iterator<? extends Item> j = sm.keySet().iterator();
|
|
j.next();
|
|
j.remove();
|
|
assertFalse(map.containsKey(two));
|
|
mustEqual(4, map.size());
|
|
mustEqual(1, sm.size());
|
|
mustEqual(three, sm.firstKey());
|
|
mustEqual(three, sm.lastKey());
|
|
mustEqual("C", sm.remove(three));
|
|
assertTrue(sm.isEmpty());
|
|
mustEqual(3, map.size());
|
|
}
|
|
|
|
public void testSubMapContents2() {
|
|
ConcurrentNavigableMap<Item,String> map = map5();
|
|
SortedMap<Item,String> sm = map.subMap(two, three);
|
|
mustEqual(1, sm.size());
|
|
mustEqual(two, sm.firstKey());
|
|
mustEqual(two, sm.lastKey());
|
|
assertFalse(sm.containsKey(one));
|
|
assertTrue(sm.containsKey(two));
|
|
assertFalse(sm.containsKey(three));
|
|
assertFalse(sm.containsKey(four));
|
|
assertFalse(sm.containsKey(five));
|
|
Iterator<? extends Item> i = sm.keySet().iterator();
|
|
Item k;
|
|
k = (Item)(i.next());
|
|
mustEqual(two, k);
|
|
assertFalse(i.hasNext());
|
|
Iterator<? extends Item> j = sm.keySet().iterator();
|
|
j.next();
|
|
j.remove();
|
|
assertFalse(map.containsKey(two));
|
|
mustEqual(4, map.size());
|
|
mustEqual(0, sm.size());
|
|
assertTrue(sm.isEmpty());
|
|
assertSame(sm.remove(three), null);
|
|
mustEqual(4, map.size());
|
|
}
|
|
|
|
/**
|
|
* headMap returns map with keys in requested range
|
|
*/
|
|
public void testHeadMapContents() {
|
|
ConcurrentNavigableMap<Item,String> map = map5();
|
|
SortedMap<Item,String> sm = map.headMap(four);
|
|
assertTrue(sm.containsKey(one));
|
|
assertTrue(sm.containsKey(two));
|
|
assertTrue(sm.containsKey(three));
|
|
assertFalse(sm.containsKey(four));
|
|
assertFalse(sm.containsKey(five));
|
|
Iterator<? extends Item> i = sm.keySet().iterator();
|
|
Object k;
|
|
k = (Item)(i.next());
|
|
mustEqual(one, k);
|
|
k = (Item)(i.next());
|
|
mustEqual(two, k);
|
|
k = (Item)(i.next());
|
|
mustEqual(three, k);
|
|
assertFalse(i.hasNext());
|
|
sm.clear();
|
|
assertTrue(sm.isEmpty());
|
|
mustEqual(2, map.size());
|
|
mustEqual(four, map.firstKey());
|
|
}
|
|
|
|
/**
|
|
* headMap returns map with keys in requested range
|
|
*/
|
|
public void testTailMapContents() {
|
|
ConcurrentNavigableMap<Item,String> map = map5();
|
|
SortedMap<Item,String> sm = map.tailMap(two);
|
|
assertFalse(sm.containsKey(one));
|
|
assertTrue(sm.containsKey(two));
|
|
assertTrue(sm.containsKey(three));
|
|
assertTrue(sm.containsKey(four));
|
|
assertTrue(sm.containsKey(five));
|
|
Iterator<Item> i = sm.keySet().iterator();
|
|
Item k = i.next();
|
|
mustEqual(two, k);
|
|
k = i.next();
|
|
mustEqual(three, k);
|
|
k = i.next();
|
|
mustEqual(four, k);
|
|
k = i.next();
|
|
mustEqual(five, k);
|
|
assertFalse(i.hasNext());
|
|
|
|
Iterator<Map.Entry<Item,String>> ei = sm.entrySet().iterator();
|
|
Map.Entry<Item,String> e;
|
|
e = (ei.next());
|
|
mustEqual(two, e.getKey());
|
|
mustEqual("B", e.getValue());
|
|
e = (ei.next());
|
|
mustEqual(three, e.getKey());
|
|
mustEqual("C", e.getValue());
|
|
e = (ei.next());
|
|
mustEqual(four, e.getKey());
|
|
mustEqual("D", e.getValue());
|
|
e = (ei.next());
|
|
mustEqual(five, e.getKey());
|
|
mustEqual("E", e.getValue());
|
|
assertFalse(i.hasNext());
|
|
|
|
SortedMap<Item,String> ssm = sm.tailMap(four);
|
|
mustEqual(four, ssm.firstKey());
|
|
mustEqual(five, ssm.lastKey());
|
|
mustEqual("D", ssm.remove(four));
|
|
mustEqual(1, ssm.size());
|
|
mustEqual(3, sm.size());
|
|
mustEqual(4, map.size());
|
|
}
|
|
|
|
/**
|
|
* clear removes all pairs
|
|
*/
|
|
public void testDescendingClear() {
|
|
ConcurrentNavigableMap<Item,String> map = dmap5();
|
|
map.clear();
|
|
mustEqual(0, map.size());
|
|
}
|
|
|
|
/**
|
|
* Maps with same contents are equal
|
|
*/
|
|
public void testDescendingEquals() {
|
|
ConcurrentNavigableMap<Item,String> map1 = dmap5();
|
|
ConcurrentNavigableMap<Item,String> map2 = dmap5();
|
|
mustEqual(map1, map2);
|
|
mustEqual(map2, map1);
|
|
map1.clear();
|
|
assertFalse(map1.equals(map2));
|
|
assertFalse(map2.equals(map1));
|
|
}
|
|
|
|
/**
|
|
* containsKey returns true for contained key
|
|
*/
|
|
public void testDescendingContainsKey() {
|
|
ConcurrentNavigableMap<Item,String> map = dmap5();
|
|
assertTrue(map.containsKey(minusOne));
|
|
assertFalse(map.containsKey(zero));
|
|
}
|
|
|
|
/**
|
|
* containsValue returns true for held values
|
|
*/
|
|
public void testDescendingContainsValue() {
|
|
ConcurrentNavigableMap<Item,String> map = dmap5();
|
|
assertTrue(map.containsValue("A"));
|
|
assertFalse(map.containsValue("Z"));
|
|
}
|
|
|
|
/**
|
|
* get returns the correct element at the given key,
|
|
* or null if not present
|
|
*/
|
|
public void testDescendingGet() {
|
|
ConcurrentNavigableMap<Item,String> map = dmap5();
|
|
mustEqual("A", map.get(minusOne));
|
|
ConcurrentNavigableMap<Item,String> empty = dmap0();
|
|
assertNull(empty.get(minusOne));
|
|
}
|
|
|
|
/**
|
|
* isEmpty is true of empty map and false for non-empty
|
|
*/
|
|
public void testDescendingIsEmpty() {
|
|
ConcurrentNavigableMap<Item,String> empty = dmap0();
|
|
ConcurrentNavigableMap<Item,String> map = dmap5();
|
|
assertTrue(empty.isEmpty());
|
|
assertFalse(map.isEmpty());
|
|
}
|
|
|
|
/**
|
|
* firstKey returns first key
|
|
*/
|
|
public void testDescendingFirstKey() {
|
|
ConcurrentNavigableMap<Item,String> map = dmap5();
|
|
mustEqual(minusOne, map.firstKey());
|
|
}
|
|
|
|
/**
|
|
* lastKey returns last key
|
|
*/
|
|
public void testDescendingLastKey() {
|
|
ConcurrentNavigableMap<Item,String> map = dmap5();
|
|
mustEqual(minusFive, map.lastKey());
|
|
}
|
|
|
|
/**
|
|
* keySet returns a Set containing all the keys
|
|
*/
|
|
public void testDescendingKeySet() {
|
|
ConcurrentNavigableMap<Item,String> map = dmap5();
|
|
Set<Item> s = map.keySet();
|
|
mustEqual(5, s.size());
|
|
mustContain(s, minusOne);
|
|
mustContain(s, minusTwo);
|
|
mustContain(s, minusThree);
|
|
mustContain(s, minusFour);
|
|
mustContain(s, minusFive);
|
|
}
|
|
|
|
/**
|
|
* keySet is ordered
|
|
*/
|
|
public void testDescendingKeySetOrder() {
|
|
ConcurrentNavigableMap<Item,String> map = dmap5();
|
|
Set<Item> s = map.keySet();
|
|
Iterator<? extends Item> i = s.iterator();
|
|
Item last = i.next();
|
|
mustEqual(last, minusOne);
|
|
while (i.hasNext()) {
|
|
Item k = i.next();
|
|
assertTrue(last.compareTo(k) > 0);
|
|
last = k;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* values collection contains all values
|
|
*/
|
|
public void testDescendingValues() {
|
|
ConcurrentNavigableMap<Item,String> map = dmap5();
|
|
Collection<String> s = map.values();
|
|
mustEqual(5, s.size());
|
|
assertTrue(s.contains("A"));
|
|
assertTrue(s.contains("B"));
|
|
assertTrue(s.contains("C"));
|
|
assertTrue(s.contains("D"));
|
|
assertTrue(s.contains("E"));
|
|
}
|
|
|
|
/**
|
|
* keySet.toArray returns contains all keys
|
|
*/
|
|
public void testDescendingAscendingKeySetToArray() {
|
|
ConcurrentNavigableMap<Item,String> map = dmap5();
|
|
Set<Item> s = map.keySet();
|
|
Item[] ar = s.toArray(new Item[0]);
|
|
assertTrue(s.containsAll(Arrays.asList(ar)));
|
|
mustEqual(5, ar.length);
|
|
ar[0] = minusTen;
|
|
assertFalse(s.containsAll(Arrays.asList(ar)));
|
|
}
|
|
|
|
/**
|
|
* descendingkeySet.toArray returns contains all keys
|
|
*/
|
|
public void testDescendingDescendingKeySetToArray() {
|
|
ConcurrentNavigableMap<Item,String> map = dmap5();
|
|
Set<Item> s = map.descendingKeySet();
|
|
Item[] ar = s.toArray(new Item[0]);
|
|
mustEqual(5, ar.length);
|
|
assertTrue(s.containsAll(Arrays.asList(ar)));
|
|
ar[0] = minusTen;
|
|
assertFalse(s.containsAll(Arrays.asList(ar)));
|
|
}
|
|
|
|
/**
|
|
* Values.toArray contains all values
|
|
*/
|
|
public void testDescendingValuesToArray() {
|
|
ConcurrentNavigableMap<Item,String> map = dmap5();
|
|
Collection<String> v = map.values();
|
|
String[] ar = v.toArray(new String[0]);
|
|
ArrayList<String> s = new ArrayList<>(Arrays.asList(ar));
|
|
mustEqual(5, ar.length);
|
|
assertTrue(s.contains("A"));
|
|
assertTrue(s.contains("B"));
|
|
assertTrue(s.contains("C"));
|
|
assertTrue(s.contains("D"));
|
|
assertTrue(s.contains("E"));
|
|
}
|
|
|
|
/**
|
|
* entrySet contains all pairs
|
|
*/
|
|
public void testDescendingEntrySet() {
|
|
ConcurrentNavigableMap<Item,String> map = dmap5();
|
|
Set<Map.Entry<Item,String>> s = map.entrySet();
|
|
mustEqual(5, s.size());
|
|
Iterator<Map.Entry<Item,String>> it = s.iterator();
|
|
while (it.hasNext()) {
|
|
Map.Entry<Item,String> e = it.next();
|
|
assertTrue(
|
|
(e.getKey().equals(minusOne) && e.getValue().equals("A")) ||
|
|
(e.getKey().equals(minusTwo) && e.getValue().equals("B")) ||
|
|
(e.getKey().equals(minusThree) && e.getValue().equals("C")) ||
|
|
(e.getKey().equals(minusFour) && e.getValue().equals("D")) ||
|
|
(e.getKey().equals(minusFive) && e.getValue().equals("E")));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* putAll adds all key-value pairs from the given map
|
|
*/
|
|
public void testDescendingPutAll() {
|
|
ConcurrentNavigableMap<Item,String> empty = dmap0();
|
|
ConcurrentNavigableMap<Item,String> map = dmap5();
|
|
empty.putAll(map);
|
|
mustEqual(5, empty.size());
|
|
assertTrue(empty.containsKey(minusOne));
|
|
assertTrue(empty.containsKey(minusTwo));
|
|
assertTrue(empty.containsKey(minusThree));
|
|
assertTrue(empty.containsKey(minusFour));
|
|
assertTrue(empty.containsKey(minusFive));
|
|
}
|
|
|
|
/**
|
|
* putIfAbsent works when the given key is not present
|
|
*/
|
|
public void testDescendingPutIfAbsent() {
|
|
ConcurrentNavigableMap<Item,String> map = dmap5();
|
|
map.putIfAbsent(six, "Z");
|
|
assertTrue(map.containsKey(six));
|
|
}
|
|
|
|
/**
|
|
* putIfAbsent does not add the pair if the key is already present
|
|
*/
|
|
public void testDescendingPutIfAbsent2() {
|
|
ConcurrentNavigableMap<Item,String> map = dmap5();
|
|
mustEqual("A", map.putIfAbsent(minusOne, "Z"));
|
|
}
|
|
|
|
/**
|
|
* replace fails when the given key is not present
|
|
*/
|
|
public void testDescendingReplace() {
|
|
ConcurrentNavigableMap<Item,String> map = dmap5();
|
|
assertNull(map.replace(six, "Z"));
|
|
assertFalse(map.containsKey(six));
|
|
}
|
|
|
|
/**
|
|
* replace succeeds if the key is already present
|
|
*/
|
|
public void testDescendingReplace2() {
|
|
ConcurrentNavigableMap<Item,String> map = dmap5();
|
|
assertNotNull(map.replace(minusOne, "Z"));
|
|
mustEqual("Z", map.get(minusOne));
|
|
}
|
|
|
|
/**
|
|
* replace value fails when the given key not mapped to expected value
|
|
*/
|
|
public void testDescendingReplaceValue() {
|
|
ConcurrentNavigableMap<Item,String> map = dmap5();
|
|
mustEqual("A", map.get(minusOne));
|
|
assertFalse(map.replace(minusOne, "Z", "Z"));
|
|
mustEqual("A", map.get(minusOne));
|
|
}
|
|
|
|
/**
|
|
* replace value succeeds when the given key mapped to expected value
|
|
*/
|
|
public void testDescendingReplaceValue2() {
|
|
ConcurrentNavigableMap<Item,String> map = dmap5();
|
|
mustEqual("A", map.get(minusOne));
|
|
assertTrue(map.replace(minusOne, "A", "Z"));
|
|
mustEqual("Z", map.get(minusOne));
|
|
}
|
|
|
|
/**
|
|
* remove removes the correct key-value pair from the map
|
|
*/
|
|
public void testDescendingRemove() {
|
|
ConcurrentNavigableMap<Item,String> map = dmap5();
|
|
map.remove(minusFive);
|
|
mustEqual(4, map.size());
|
|
assertFalse(map.containsKey(minusFive));
|
|
}
|
|
|
|
/**
|
|
* remove(key,value) removes only if pair present
|
|
*/
|
|
public void testDescendingRemove2() {
|
|
ConcurrentNavigableMap<Item,String> map = dmap5();
|
|
assertTrue(map.containsKey(minusFive));
|
|
mustEqual("E", map.get(minusFive));
|
|
map.remove(minusFive, "E");
|
|
mustEqual(4, map.size());
|
|
assertFalse(map.containsKey(minusFive));
|
|
map.remove(minusFour, "A");
|
|
mustEqual(4, map.size());
|
|
assertTrue(map.containsKey(minusFour));
|
|
}
|
|
|
|
/**
|
|
* lowerEntry returns preceding entry.
|
|
*/
|
|
public void testDescendingLowerEntry() {
|
|
ConcurrentNavigableMap<Item,String> map = dmap5();
|
|
Map.Entry<Item,String> e1 = map.lowerEntry(minusThree);
|
|
mustEqual(minusTwo, e1.getKey());
|
|
|
|
Map.Entry<Item,String> e2 = map.lowerEntry(minusSix);
|
|
mustEqual(minusFive, e2.getKey());
|
|
|
|
Map.Entry<Item,String> e3 = map.lowerEntry(minusOne);
|
|
assertNull(e3);
|
|
|
|
Map.Entry<Item,String> e4 = map.lowerEntry(zero);
|
|
assertNull(e4);
|
|
}
|
|
|
|
/**
|
|
* higherEntry returns next entry.
|
|
*/
|
|
public void testDescendingHigherEntry() {
|
|
ConcurrentNavigableMap<Item,String> map = dmap5();
|
|
Map.Entry<Item,String> e1 = map.higherEntry(minusThree);
|
|
mustEqual(minusFour, e1.getKey());
|
|
|
|
Map.Entry<Item,String> e2 = map.higherEntry(zero);
|
|
mustEqual(minusOne, e2.getKey());
|
|
|
|
Map.Entry<Item,String> e3 = map.higherEntry(minusFive);
|
|
assertNull(e3);
|
|
|
|
Map.Entry<Item,String> e4 = map.higherEntry(minusSix);
|
|
assertNull(e4);
|
|
}
|
|
|
|
/**
|
|
* floorEntry returns preceding entry.
|
|
*/
|
|
public void testDescendingFloorEntry() {
|
|
ConcurrentNavigableMap<Item,String> map = dmap5();
|
|
Map.Entry<Item,String> e1 = map.floorEntry(minusThree);
|
|
mustEqual(minusThree, e1.getKey());
|
|
|
|
Map.Entry<Item,String> e2 = map.floorEntry(minusSix);
|
|
mustEqual(minusFive, e2.getKey());
|
|
|
|
Map.Entry<Item,String> e3 = map.floorEntry(minusOne);
|
|
mustEqual(minusOne, e3.getKey());
|
|
|
|
Map.Entry<Item,String> e4 = map.floorEntry(zero);
|
|
assertNull(e4);
|
|
}
|
|
|
|
/**
|
|
* ceilingEntry returns next entry.
|
|
*/
|
|
public void testDescendingCeilingEntry() {
|
|
ConcurrentNavigableMap<Item,String> map = dmap5();
|
|
Map.Entry<Item,String> e1 = map.ceilingEntry(minusThree);
|
|
mustEqual(minusThree, e1.getKey());
|
|
|
|
Map.Entry<Item,String> e2 = map.ceilingEntry(zero);
|
|
mustEqual(minusOne, e2.getKey());
|
|
|
|
Map.Entry<Item,String> e3 = map.ceilingEntry(minusFive);
|
|
mustEqual(minusFive, e3.getKey());
|
|
|
|
Map.Entry<Item,String> e4 = map.ceilingEntry(minusSix);
|
|
assertNull(e4);
|
|
}
|
|
|
|
/**
|
|
* pollFirstEntry returns entries in order
|
|
*/
|
|
public void testDescendingPollFirstEntry() {
|
|
ConcurrentNavigableMap<Item,String> map = dmap5();
|
|
Map.Entry<Item,String> e = map.pollFirstEntry();
|
|
mustEqual(minusOne, e.getKey());
|
|
mustEqual("A", e.getValue());
|
|
e = map.pollFirstEntry();
|
|
mustEqual(minusTwo, e.getKey());
|
|
map.put(minusOne, "A");
|
|
e = map.pollFirstEntry();
|
|
mustEqual(minusOne, e.getKey());
|
|
mustEqual("A", e.getValue());
|
|
e = map.pollFirstEntry();
|
|
mustEqual(minusThree, e.getKey());
|
|
map.remove(minusFour);
|
|
e = map.pollFirstEntry();
|
|
mustEqual(minusFive, e.getKey());
|
|
try {
|
|
e.setValue("A");
|
|
shouldThrow();
|
|
} catch (UnsupportedOperationException success) {}
|
|
e = map.pollFirstEntry();
|
|
assertNull(e);
|
|
}
|
|
|
|
/**
|
|
* pollLastEntry returns entries in order
|
|
*/
|
|
public void testDescendingPollLastEntry() {
|
|
ConcurrentNavigableMap<Item,String> map = dmap5();
|
|
Map.Entry<Item,String> e = map.pollLastEntry();
|
|
mustEqual(minusFive, e.getKey());
|
|
mustEqual("E", e.getValue());
|
|
e = map.pollLastEntry();
|
|
mustEqual(minusFour, e.getKey());
|
|
map.put(minusFive, "E");
|
|
e = map.pollLastEntry();
|
|
mustEqual(minusFive, e.getKey());
|
|
mustEqual("E", e.getValue());
|
|
e = map.pollLastEntry();
|
|
mustEqual(minusThree, e.getKey());
|
|
map.remove(minusTwo);
|
|
e = map.pollLastEntry();
|
|
mustEqual(minusOne, e.getKey());
|
|
try {
|
|
e.setValue("E");
|
|
shouldThrow();
|
|
} catch (UnsupportedOperationException success) {}
|
|
e = map.pollLastEntry();
|
|
assertNull(e);
|
|
}
|
|
|
|
/**
|
|
* size returns the correct values
|
|
*/
|
|
public void testDescendingSize() {
|
|
ConcurrentNavigableMap<Item,String> map = dmap5();
|
|
ConcurrentNavigableMap<Item,String> empty = dmap0();
|
|
mustEqual(0, empty.size());
|
|
mustEqual(5, map.size());
|
|
}
|
|
|
|
/**
|
|
* toString contains toString of elements
|
|
*/
|
|
public void testDescendingToString() {
|
|
ConcurrentNavigableMap<Item,String> map = dmap5();
|
|
String s = map.toString();
|
|
for (int i = 1; i <= 5; ++i) {
|
|
assertTrue(s.contains(String.valueOf(i)));
|
|
}
|
|
}
|
|
|
|
// Exception testDescendings
|
|
|
|
/**
|
|
* get(null) of empty map throws NPE
|
|
*/
|
|
public void testDescendingGet_NullPointerException() {
|
|
try {
|
|
ConcurrentNavigableMap<Item,String> c = dmap5();
|
|
c.get(null);
|
|
shouldThrow();
|
|
} catch (NullPointerException success) {}
|
|
}
|
|
|
|
/**
|
|
* containsKey(null) of empty map throws NPE
|
|
*/
|
|
public void testDescendingContainsKey_NullPointerException() {
|
|
try {
|
|
ConcurrentNavigableMap<Item,String> c = dmap5();
|
|
c.containsKey(null);
|
|
shouldThrow();
|
|
} catch (NullPointerException success) {}
|
|
}
|
|
|
|
/**
|
|
* containsValue(null) throws NPE
|
|
*/
|
|
public void testDescendingContainsValue_NullPointerException() {
|
|
try {
|
|
ConcurrentNavigableMap<Item,String> c = dmap0();
|
|
c.containsValue(null);
|
|
shouldThrow();
|
|
} catch (NullPointerException success) {}
|
|
}
|
|
|
|
/**
|
|
* put(null,x) throws NPE
|
|
*/
|
|
public void testDescendingPut1_NullPointerException() {
|
|
try {
|
|
ConcurrentNavigableMap<Item,String> c = dmap5();
|
|
c.put(null, "whatever");
|
|
shouldThrow();
|
|
} catch (NullPointerException success) {}
|
|
}
|
|
|
|
/**
|
|
* putIfAbsent(null, x) throws NPE
|
|
*/
|
|
public void testDescendingPutIfAbsent1_NullPointerException() {
|
|
try {
|
|
ConcurrentNavigableMap<Item,String> c = dmap5();
|
|
c.putIfAbsent(null, "whatever");
|
|
shouldThrow();
|
|
} catch (NullPointerException success) {}
|
|
}
|
|
|
|
/**
|
|
* replace(null, x) throws NPE
|
|
*/
|
|
public void testDescendingReplace_NullPointerException() {
|
|
try {
|
|
ConcurrentNavigableMap<Item,String> c = dmap5();
|
|
c.replace(null, "whatever");
|
|
shouldThrow();
|
|
} catch (NullPointerException success) {}
|
|
}
|
|
|
|
/**
|
|
* replace(null, x, y) throws NPE
|
|
*/
|
|
public void testDescendingReplaceValue_NullPointerException() {
|
|
try {
|
|
ConcurrentNavigableMap<Item,String> c = dmap5();
|
|
c.replace(null, "A", "B");
|
|
shouldThrow();
|
|
} catch (NullPointerException success) {}
|
|
}
|
|
|
|
/**
|
|
* remove(null) throws NPE
|
|
*/
|
|
public void testDescendingRemove1_NullPointerException() {
|
|
try {
|
|
ConcurrentNavigableMap<Item,String> c = dmap5();
|
|
c.remove(null);
|
|
shouldThrow();
|
|
} catch (NullPointerException success) {}
|
|
}
|
|
|
|
/**
|
|
* remove(null, x) throws NPE
|
|
*/
|
|
public void testDescendingRemove2_NullPointerException() {
|
|
try {
|
|
ConcurrentNavigableMap<Item,String> c = dmap5();
|
|
c.remove(null, "whatever");
|
|
shouldThrow();
|
|
} catch (NullPointerException success) {}
|
|
}
|
|
|
|
/**
|
|
* A deserialized/reserialized map equals original
|
|
*/
|
|
public void testDescendingSerialization() throws Exception {
|
|
NavigableMap<Item,String> x = dmap5();
|
|
NavigableMap<Item,String> y = serialClone(x);
|
|
|
|
assertNotSame(x, y);
|
|
mustEqual(x.size(), y.size());
|
|
mustEqual(x.toString(), y.toString());
|
|
mustEqual(x, y);
|
|
mustEqual(y, x);
|
|
}
|
|
|
|
/**
|
|
* subMap returns map with keys in requested range
|
|
*/
|
|
public void testDescendingSubMapContents() {
|
|
ConcurrentNavigableMap<Item,String> map = dmap5();
|
|
SortedMap<Item,String> sm = map.subMap(minusTwo, minusFour);
|
|
mustEqual(minusTwo, sm.firstKey());
|
|
mustEqual(minusThree, sm.lastKey());
|
|
mustEqual(2, sm.size());
|
|
assertFalse(sm.containsKey(minusOne));
|
|
assertTrue(sm.containsKey(minusTwo));
|
|
assertTrue(sm.containsKey(minusThree));
|
|
assertFalse(sm.containsKey(minusFour));
|
|
assertFalse(sm.containsKey(minusFive));
|
|
Iterator<? extends Item> i = sm.keySet().iterator();
|
|
Item k;
|
|
k = (Item)(i.next());
|
|
mustEqual(minusTwo, k);
|
|
k = (Item)(i.next());
|
|
mustEqual(minusThree, k);
|
|
assertFalse(i.hasNext());
|
|
Iterator<? extends Item> j = sm.keySet().iterator();
|
|
j.next();
|
|
j.remove();
|
|
assertFalse(map.containsKey(minusTwo));
|
|
mustEqual(4, map.size());
|
|
mustEqual(1, sm.size());
|
|
mustEqual(minusThree, sm.firstKey());
|
|
mustEqual(minusThree, sm.lastKey());
|
|
mustEqual("C", sm.remove(minusThree));
|
|
assertTrue(sm.isEmpty());
|
|
mustEqual(3, map.size());
|
|
}
|
|
|
|
public void testDescendingSubMapContents2() {
|
|
ConcurrentNavigableMap<Item,String> map = dmap5();
|
|
SortedMap<Item,String> sm = map.subMap(minusTwo, minusThree);
|
|
mustEqual(1, sm.size());
|
|
mustEqual(minusTwo, sm.firstKey());
|
|
mustEqual(minusTwo, sm.lastKey());
|
|
assertFalse(sm.containsKey(minusOne));
|
|
assertTrue(sm.containsKey(minusTwo));
|
|
assertFalse(sm.containsKey(minusThree));
|
|
assertFalse(sm.containsKey(minusFour));
|
|
assertFalse(sm.containsKey(minusFive));
|
|
Iterator<? extends Item> i = sm.keySet().iterator();
|
|
Item k;
|
|
k = (Item)(i.next());
|
|
mustEqual(minusTwo, k);
|
|
assertFalse(i.hasNext());
|
|
Iterator<? extends Item> j = sm.keySet().iterator();
|
|
j.next();
|
|
j.remove();
|
|
assertFalse(map.containsKey(minusTwo));
|
|
mustEqual(4, map.size());
|
|
mustEqual(0, sm.size());
|
|
assertTrue(sm.isEmpty());
|
|
assertSame(sm.remove(minusThree), null);
|
|
mustEqual(4, map.size());
|
|
}
|
|
|
|
/**
|
|
* headMap returns map with keys in requested range
|
|
*/
|
|
public void testDescendingHeadMapContents() {
|
|
ConcurrentNavigableMap<Item,String> map = dmap5();
|
|
SortedMap<Item,String> sm = map.headMap(minusFour);
|
|
assertTrue(sm.containsKey(minusOne));
|
|
assertTrue(sm.containsKey(minusTwo));
|
|
assertTrue(sm.containsKey(minusThree));
|
|
assertFalse(sm.containsKey(minusFour));
|
|
assertFalse(sm.containsKey(minusFive));
|
|
Iterator<? extends Item> i = sm.keySet().iterator();
|
|
Item k;
|
|
k = (Item)(i.next());
|
|
mustEqual(minusOne, k);
|
|
k = (Item)(i.next());
|
|
mustEqual(minusTwo, k);
|
|
k = (Item)(i.next());
|
|
mustEqual(minusThree, k);
|
|
assertFalse(i.hasNext());
|
|
sm.clear();
|
|
assertTrue(sm.isEmpty());
|
|
mustEqual(2, map.size());
|
|
mustEqual(minusFour, map.firstKey());
|
|
}
|
|
|
|
/**
|
|
* headMap returns map with keys in requested range
|
|
*/
|
|
public void testDescendingTailMapContents() {
|
|
ConcurrentNavigableMap<Item,String> map = dmap5();
|
|
SortedMap<Item,String> sm = map.tailMap(minusTwo);
|
|
assertFalse(sm.containsKey(minusOne));
|
|
assertTrue(sm.containsKey(minusTwo));
|
|
assertTrue(sm.containsKey(minusThree));
|
|
assertTrue(sm.containsKey(minusFour));
|
|
assertTrue(sm.containsKey(minusFive));
|
|
Iterator<? extends Item> i = sm.keySet().iterator();
|
|
Item k = i.next();
|
|
mustEqual(minusTwo, k);
|
|
k = (i.next());
|
|
mustEqual(minusThree, k);
|
|
k = (i.next());
|
|
mustEqual(minusFour, k);
|
|
k = (i.next());
|
|
mustEqual(minusFive, k);
|
|
assertFalse(i.hasNext());
|
|
|
|
Iterator<Map.Entry<Item,String>> ei = sm.entrySet().iterator();
|
|
Map.Entry<Item,String> e;
|
|
e = (ei.next());
|
|
mustEqual(minusTwo, e.getKey());
|
|
mustEqual("B", e.getValue());
|
|
e = (ei.next());
|
|
mustEqual(minusThree, e.getKey());
|
|
mustEqual("C", e.getValue());
|
|
e = (ei.next());
|
|
mustEqual(minusFour, e.getKey());
|
|
mustEqual("D", e.getValue());
|
|
e = (ei.next());
|
|
mustEqual(minusFive, e.getKey());
|
|
mustEqual("E", e.getValue());
|
|
assertFalse(i.hasNext());
|
|
|
|
SortedMap<Item,String> ssm = sm.tailMap(minusFour);
|
|
mustEqual(minusFour, ssm.firstKey());
|
|
mustEqual(minusFive, ssm.lastKey());
|
|
mustEqual("D", ssm.remove(minusFour));
|
|
mustEqual(1, ssm.size());
|
|
mustEqual(3, sm.size());
|
|
mustEqual(4, map.size());
|
|
}
|
|
|
|
}
|