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test/jdk/java/util/Map/ToArray.java

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  1 /*
  2  * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
  3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  4  *
  5  * This code is free software; you can redistribute it and/or modify it
  6  * under the terms of the GNU General Public License version 2 only, as
  7  * published by the Free Software Foundation.
  8  *
  9  * This code is distributed in the hope that it will be useful, but WITHOUT
 10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 12  * version 2 for more details (a copy is included in the LICENSE file that
 13  * accompanied this code).
 14  *
 15  * You should have received a copy of the GNU General Public License version
 16  * 2 along with this work; if not, write to the Free Software Foundation,
 17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 18  *
 19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 20  * or visit www.oracle.com if you need additional information or have any
 21  * questions.
 22  */
 23 
 24 /*
 25  * @test
 26  * @bug 8008785
 27  * @summary Ensure toArray() implementations return correct results.
 28  * @author Mike Duigou
 29  */
 30 import java.util.*;
 31 import java.util.concurrent.ConcurrentHashMap;
 32 import java.util.concurrent.ConcurrentSkipListMap;
 33 
 34 public class ToArray {
 35 
 36     /**
 37      * Number of elements per map.
 38      */
 39     private static final int TEST_SIZE = 5000;
 40 




 41     private static void realMain(String[] args) throws Throwable {
 42         Map<Integer, Long>[] maps = (Map<Integer, Long>[]) new Map[]{
 43                     new HashMap<>(),
 44                     new Hashtable<>(),
 45                     new IdentityHashMap<>(),
 46                     new LinkedHashMap<>(),
 47                     new TreeMap<>(),
 48                     new WeakHashMap<>(),
 49                     new ConcurrentHashMap<>(),
 50                     new ConcurrentSkipListMap<>()
 51                 };
 52 
 53         // for each map type.
 54         for (Map<Integer, Long> map : maps) {
 55              try {
 56                 testMap(map);
 57              } catch(Exception all) {
 58                 unexpected("Failed for " + map.getClass().getName(), all);
 59              }
 60         }
 61     }
 62 
 63     private static final Integer[] KEYS = new Integer[TEST_SIZE];
 64 
 65     private static final Long[] VALUES = new Long[TEST_SIZE];
 66 
 67     static {
 68         for (int each = 0; each < TEST_SIZE; each++) {
 69             KEYS[each]   = Integer.valueOf(each);

 70             VALUES[each] = Long.valueOf(each + TEST_SIZE);
 71         }
 72     }
 73 
 74 
 75     private static void testMap(Map<Integer, Long> map) {
 76         System.out.println("Testing " + map.getClass());
 77         System.out.flush();
 78 
 79         // Fill the map
 80         for (int each = 0; each < TEST_SIZE; each++) {
 81             map.put(KEYS[each], VALUES[each]);
 82         }
 83 
 84         // check the keys
 85         Object[] keys = map.keySet().toArray();
 86         Arrays.sort(keys);
 87 
 88         for(int each = 0; each < TEST_SIZE; each++) {
 89             check( "unexpected key", keys[each] == KEYS[each]);
 90         }
 91 
 92         // check the values
 93         Object[] values = map.values().toArray();
 94         Arrays.sort(values);
 95 
 96         for(int each = 0; each < TEST_SIZE; each++) {
 97             check( "unexpected value", values[each] == VALUES[each]);
 98         }
 99 
100         // check the entries
101         Map.Entry<Integer,Long>[] entries = map.entrySet().toArray(new Map.Entry[TEST_SIZE]);
102         Arrays.sort( entries,new Comparator<Map.Entry<Integer,Long>>() {
103                 public int compare(Map.Entry<Integer,Long> o1, Map.Entry<Integer,Long> o2) {
104                         return o1.getKey().compareTo(o2.getKey());
105                 }});
106 
107         for(int each = 0; each < TEST_SIZE; each++) {
108             check( "unexpected entry", entries[each].getKey() == KEYS[each] && entries[each].getValue() == VALUES[each]);
109         }
110     }
111 
112     //--------------------- Infrastructure ---------------------------
113     static volatile int passed = 0, failed = 0;
114 
115     static void pass() {
116         passed++;
117     }
118 
119     static void fail() {
120         failed++;
121         (new Error("Failure")).printStackTrace(System.err);
122     }
123 

  1 /*
  2  * Copyright (c) 2013, 2024, Oracle and/or its affiliates. All rights reserved.
  3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  4  *
  5  * This code is free software; you can redistribute it and/or modify it
  6  * under the terms of the GNU General Public License version 2 only, as
  7  * published by the Free Software Foundation.
  8  *
  9  * This code is distributed in the hope that it will be useful, but WITHOUT
 10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 12  * version 2 for more details (a copy is included in the LICENSE file that
 13  * accompanied this code).
 14  *
 15  * You should have received a copy of the GNU General Public License version
 16  * 2 along with this work; if not, write to the Free Software Foundation,
 17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 18  *
 19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 20  * or visit www.oracle.com if you need additional information or have any
 21  * questions.
 22  */
 23 
 24 /*
 25  * @test
 26  * @bug 8008785 8336669
 27  * @summary Ensure toArray() implementations return correct results.
 28  * @author Mike Duigou
 29  */
 30 import java.util.*;
 31 import java.util.concurrent.ConcurrentHashMap;
 32 import java.util.concurrent.ConcurrentSkipListMap;
 33 
 34 public class ToArray {
 35 
 36     /**
 37      * Number of elements per map.
 38      */
 39     private static final int TEST_SIZE = 5000;
 40 
 41     static String genString(int i) {
 42         return "BASE-" + HexFormat.of().toHexDigits(i);
 43     }
 44 
 45     private static void realMain(String[] args) throws Throwable {
 46         Map<String, Long>[] maps = (Map<String, Long>[]) new Map<?,?>[]{
 47                     new HashMap<>(),
 48                     new Hashtable<>(),
 49                     new IdentityHashMap<>(),
 50                     new LinkedHashMap<>(),
 51                     new TreeMap<>(),
 52                     new WeakHashMap<>(),
 53                     new ConcurrentHashMap<>(),
 54                     new ConcurrentSkipListMap<>()
 55                 };
 56 
 57         // for each map type.
 58         for (Map<String, Long> map : maps) {
 59              try {
 60                 testMap(map);
 61              } catch(Exception all) {
 62                 unexpected("Failed for " + map.getClass().getName(), all);
 63              }
 64         }
 65     }
 66 
 67     private static final String[] KEYS = new String[TEST_SIZE];
 68 
 69     private static final Long[] VALUES = new Long[TEST_SIZE];
 70 
 71     static {
 72         for (int each = 0; each < TEST_SIZE; each++) {
 73             // BUG: WeakHashMap of value object!
 74             KEYS[each]   = genString(each);
 75             VALUES[each] = Long.valueOf(each + TEST_SIZE);
 76         }
 77     }
 78 
 79 
 80     private static void testMap(Map<String, Long> map) {
 81         System.out.println("Testing " + map.getClass());
 82         System.out.flush();
 83 
 84         // Fill the map
 85         for (int each = 0; each < TEST_SIZE; each++) {
 86             map.put(KEYS[each], VALUES[each]);
 87         }
 88 
 89         // check the keys
 90         Object[] keys = map.keySet().toArray();
 91         Arrays.sort(keys);
 92 
 93         for(int each = 0; each < TEST_SIZE; each++) {
 94             check( "unexpected key", keys[each] == KEYS[each]);
 95         }
 96 
 97         // check the values
 98         Object[] values = map.values().toArray();
 99         Arrays.sort(values);
100 
101         for(int each = 0; each < TEST_SIZE; each++) {
102             check( "unexpected value", values[each] == VALUES[each]);
103         }
104 
105         // check the entries
106         Map.Entry<String,Long>[] entries = map.entrySet().toArray(new Map.Entry[TEST_SIZE]);
107         Arrays.sort( entries,new Comparator<Map.Entry<String,Long>>() {
108                 public int compare(Map.Entry<String,Long> o1, Map.Entry<String,Long> o2) {
109                         return o1.getKey().compareTo(o2.getKey());
110                 }});
111 
112         for(int each = 0; each < TEST_SIZE; each++) {
113             check( "unexpected entry", entries[each].getKey() == KEYS[each] && entries[each].getValue() == VALUES[each]);
114         }
115     }
116 
117     //--------------------- Infrastructure ---------------------------
118     static volatile int passed = 0, failed = 0;
119 
120     static void pass() {
121         passed++;
122     }
123 
124     static void fail() {
125         failed++;
126         (new Error("Failure")).printStackTrace(System.err);
127     }
128 
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