| /* |
| * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * @test |
| * @bug 8008785 |
| * @summary Ensure toArray() implementations return correct results. |
| * @author Mike Duigou |
| */ |
| import java.util.*; |
| import java.util.concurrent.ConcurrentHashMap; |
| import java.util.concurrent.ConcurrentSkipListMap; |
| |
| public class ToArray { |
| |
| /** |
| * Number of elements per map. |
| */ |
| private static final int TEST_SIZE = 5000; |
| |
| private static void realMain(String[] args) throws Throwable { |
| Map<Integer, Long>[] maps = (Map<Integer, Long>[]) new Map[]{ |
| new HashMap<>(), |
| new Hashtable<>(), |
| new IdentityHashMap<>(), |
| new LinkedHashMap<>(), |
| new TreeMap<>(), |
| new WeakHashMap<>(), |
| new ConcurrentHashMap<>(), |
| new ConcurrentSkipListMap<>() |
| }; |
| |
| // for each map type. |
| for (Map<Integer, Long> map : maps) { |
| try { |
| testMap(map); |
| } catch(Exception all) { |
| unexpected("Failed for " + map.getClass().getName(), all); |
| } |
| } |
| } |
| |
| private static final Integer[] KEYS = new Integer[TEST_SIZE]; |
| |
| private static final Long[] VALUES = new Long[TEST_SIZE]; |
| |
| static { |
| for (int each = 0; each < TEST_SIZE; each++) { |
| KEYS[each] = Integer.valueOf(each); |
| VALUES[each] = Long.valueOf(each + TEST_SIZE); |
| } |
| } |
| |
| |
| private static void testMap(Map<Integer, Long> map) { |
| System.out.println("Testing " + map.getClass()); |
| System.out.flush(); |
| |
| // Fill the map |
| for (int each = 0; each < TEST_SIZE; each++) { |
| map.put(KEYS[each], VALUES[each]); |
| } |
| |
| // check the keys |
| Object[] keys = map.keySet().toArray(); |
| Arrays.sort(keys); |
| |
| for(int each = 0; each < TEST_SIZE; each++) { |
| check( "unexpected key", keys[each] == KEYS[each]); |
| } |
| |
| // check the values |
| Object[] values = map.values().toArray(); |
| Arrays.sort(values); |
| |
| for(int each = 0; each < TEST_SIZE; each++) { |
| check( "unexpected value", values[each] == VALUES[each]); |
| } |
| |
| // check the entries |
| Map.Entry<Integer,Long>[] entries = map.entrySet().toArray(new Map.Entry[TEST_SIZE]); |
| Arrays.sort( entries,new Comparator<Map.Entry<Integer,Long>>() { |
| public int compare(Map.Entry<Integer,Long> o1, Map.Entry<Integer,Long> o2) { |
| return o1.getKey().compareTo(o2.getKey()); |
| }}); |
| |
| for(int each = 0; each < TEST_SIZE; each++) { |
| check( "unexpected entry", entries[each].getKey() == KEYS[each] && entries[each].getValue() == VALUES[each]); |
| } |
| } |
| |
| //--------------------- Infrastructure --------------------------- |
| static volatile int passed = 0, failed = 0; |
| |
| static void pass() { |
| passed++; |
| } |
| |
| static void fail() { |
| failed++; |
| (new Error("Failure")).printStackTrace(System.err); |
| } |
| |
| static void fail(String msg) { |
| failed++; |
| (new Error("Failure: " + msg)).printStackTrace(System.err); |
| } |
| |
| static void abort() { |
| fail(); |
| System.exit(1); |
| } |
| |
| static void abort(String msg) { |
| fail(msg); |
| System.exit(1); |
| } |
| |
| static void unexpected(String msg, Throwable t) { |
| System.err.println("Unexpected: " + msg); |
| unexpected(t); |
| } |
| |
| static void unexpected(Throwable t) { |
| failed++; |
| t.printStackTrace(System.err); |
| } |
| |
| static void check(boolean cond) { |
| if (cond) { |
| pass(); |
| } else { |
| fail(); |
| } |
| } |
| |
| static void check(String desc, boolean cond) { |
| if (cond) { |
| pass(); |
| } else { |
| fail(desc); |
| } |
| } |
| |
| static void equal(Object x, Object y) { |
| if (Objects.equals(x, y)) { |
| pass(); |
| } else { |
| fail(x + " not equal to " + y); |
| } |
| } |
| |
| public static void main(String[] args) throws Throwable { |
| Thread.currentThread().setName(ToArray.class.getName()); |
| // Thread.currentThread().setPriority(Thread.MAX_PRIORITY); |
| try { |
| realMain(args); |
| } catch (Throwable t) { |
| unexpected(t); |
| } |
| |
| System.out.printf("%nPassed = %d, failed = %d%n%n", passed, failed); |
| if (failed > 0) { |
| throw new Error("Some tests failed"); |
| } |
| } |
| } |