262 lines
9.4 KiB
Java
262 lines
9.4 KiB
Java
/*
|
|
* Copyright (c) 2006, 2014, 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 6415641 6377302
|
|
* @summary Concurrent collections are permitted to lie about their size
|
|
* @author Martin Buchholz
|
|
*/
|
|
|
|
import java.util.Arrays;
|
|
import java.util.Collection;
|
|
import java.util.Map;
|
|
import java.util.NavigableMap;
|
|
import java.util.NavigableSet;
|
|
import java.util.Objects;
|
|
import java.util.Random;
|
|
import java.util.Set;
|
|
import java.util.TreeSet;
|
|
import java.util.concurrent.ArrayBlockingQueue;
|
|
import java.util.concurrent.ConcurrentHashMap;
|
|
import java.util.concurrent.ConcurrentLinkedDeque;
|
|
import java.util.concurrent.ConcurrentLinkedQueue;
|
|
import java.util.concurrent.ConcurrentSkipListMap;
|
|
import java.util.concurrent.ConcurrentSkipListSet;
|
|
import java.util.concurrent.CopyOnWriteArrayList;
|
|
import java.util.concurrent.CopyOnWriteArraySet;
|
|
import java.util.concurrent.LinkedBlockingDeque;
|
|
import java.util.concurrent.LinkedBlockingQueue;
|
|
import java.util.concurrent.LinkedTransferQueue;
|
|
import java.util.concurrent.PriorityBlockingQueue;
|
|
|
|
@SuppressWarnings("unchecked")
|
|
public class BiggernYours {
|
|
static final Random rnd = new Random(18675309);
|
|
|
|
static void compareCollections(Collection c1, Collection c2) {
|
|
Object[] c1Array = c1.toArray();
|
|
Object[] c2Array = c2.toArray();
|
|
|
|
check(c1Array.length == c2Array.length);
|
|
for (Object aC1 : c1Array) {
|
|
boolean found = false;
|
|
for (Object aC2 : c2Array) {
|
|
if (Objects.equals(aC1, aC2)) {
|
|
found = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!found)
|
|
fail(aC1 + " not found in " + Arrays.toString(c2Array));
|
|
}
|
|
}
|
|
|
|
static void compareMaps(Map m1, Map m2) {
|
|
compareCollections(m1.keySet(),
|
|
m2.keySet());
|
|
compareCollections(m1.values(),
|
|
m2.values());
|
|
compareCollections(m1.entrySet(),
|
|
m2.entrySet());
|
|
}
|
|
|
|
static void compareNavigableMaps(NavigableMap m1, NavigableMap m2) {
|
|
compareMaps(m1, m2);
|
|
compareMaps(m1.descendingMap(),
|
|
m2.descendingMap());
|
|
compareMaps(m1.tailMap(Integer.MIN_VALUE),
|
|
m2.tailMap(Integer.MIN_VALUE));
|
|
compareMaps(m1.headMap(Integer.MAX_VALUE),
|
|
m2.headMap(Integer.MAX_VALUE));
|
|
}
|
|
|
|
static void compareNavigableSets(NavigableSet s1, NavigableSet s2) {
|
|
compareCollections(s1, s2);
|
|
compareCollections(s1.descendingSet(),
|
|
s2.descendingSet());
|
|
compareCollections(s1.tailSet(Integer.MIN_VALUE),
|
|
s2.tailSet(Integer.MIN_VALUE));
|
|
}
|
|
|
|
abstract static class MapFrobber { abstract void frob(Map m); }
|
|
abstract static class SetFrobber { abstract void frob(Set s); }
|
|
abstract static class ColFrobber { abstract void frob(Collection c); }
|
|
|
|
static ColFrobber adder(final int i) {
|
|
return new ColFrobber() {void frob(Collection c) { c.add(i); }};
|
|
}
|
|
|
|
static final ColFrobber[] adders =
|
|
{ adder(1), adder(3), adder(2) };
|
|
|
|
static MapFrobber putter(final int k, final int v) {
|
|
return new MapFrobber() {void frob(Map m) { m.put(k,v); }};
|
|
}
|
|
|
|
static final MapFrobber[] putters =
|
|
{ putter(1, -2), putter(3, -6), putter(2, -4) };
|
|
|
|
static void unexpected(Throwable t, Object suspect) {
|
|
System.out.println(suspect.getClass());
|
|
unexpected(t);
|
|
}
|
|
|
|
static void testCollections(Collection c1, Collection c2) {
|
|
try {
|
|
compareCollections(c1, c2);
|
|
for (ColFrobber adder : adders) {
|
|
for (Collection c : new Collection[]{c1, c2})
|
|
adder.frob(c);
|
|
compareCollections(c1, c2);
|
|
}
|
|
} catch (Throwable t) { unexpected(t, c1); }
|
|
}
|
|
|
|
static void testNavigableSets(NavigableSet s1, NavigableSet s2) {
|
|
try {
|
|
compareNavigableSets(s1, s2);
|
|
for (ColFrobber adder : adders) {
|
|
for (Set s : new Set[]{s1, s2})
|
|
adder.frob(s);
|
|
compareNavigableSets(s1, s2);
|
|
}
|
|
} catch (Throwable t) { unexpected(t, s1); }
|
|
}
|
|
|
|
static void testMaps(Map m1, Map m2) {
|
|
try {
|
|
compareMaps(m1, m2);
|
|
for (MapFrobber putter : putters) {
|
|
for (Map m : new Map[]{m1, m2})
|
|
putter.frob(m);
|
|
compareMaps(m1, m2);
|
|
}
|
|
} catch (Throwable t) { unexpected(t, m1); }
|
|
}
|
|
|
|
static void testNavigableMaps(NavigableMap m1, NavigableMap m2) {
|
|
try {
|
|
compareNavigableMaps(m1, m2);
|
|
for (MapFrobber putter : putters) {
|
|
for (Map m : new Map[]{m1, m2})
|
|
putter.frob(m);
|
|
compareNavigableMaps(m1, m2);
|
|
}
|
|
} catch (Throwable t) { unexpected(t, m1); }
|
|
}
|
|
|
|
static int randomize(int size) { return rnd.nextInt(size + 2); }
|
|
|
|
@SuppressWarnings("serial")
|
|
private static void realMain(String[] args) {
|
|
testNavigableMaps(
|
|
new ConcurrentSkipListMap(),
|
|
new ConcurrentSkipListMap() {
|
|
public int size() {return randomize(super.size());}});
|
|
|
|
testNavigableSets(
|
|
new ConcurrentSkipListSet(),
|
|
new ConcurrentSkipListSet() {
|
|
public int size() {return randomize(super.size());}});
|
|
|
|
testCollections(
|
|
new CopyOnWriteArraySet(),
|
|
new CopyOnWriteArraySet() {
|
|
public int size() {return randomize(super.size());}});
|
|
|
|
testCollections(
|
|
new CopyOnWriteArrayList(),
|
|
new CopyOnWriteArrayList() {
|
|
public int size() {return randomize(super.size());}});
|
|
|
|
testCollections(
|
|
new TreeSet(),
|
|
new TreeSet() {
|
|
public int size() {return randomize(super.size());}});
|
|
|
|
testMaps(
|
|
new ConcurrentHashMap(),
|
|
new ConcurrentHashMap() {
|
|
public int size() {return randomize(super.size());}});
|
|
|
|
testCollections(
|
|
new ConcurrentLinkedDeque(),
|
|
new ConcurrentLinkedDeque() {
|
|
public int size() {return randomize(super.size());}});
|
|
|
|
testCollections(
|
|
new ConcurrentLinkedQueue(),
|
|
new ConcurrentLinkedQueue() {
|
|
public int size() {return randomize(super.size());}});
|
|
|
|
testCollections(
|
|
new LinkedTransferQueue(),
|
|
new LinkedTransferQueue() {
|
|
public int size() {return randomize(super.size());}});
|
|
|
|
testCollections(
|
|
new LinkedBlockingQueue(),
|
|
new LinkedBlockingQueue() {
|
|
public int size() {return randomize(super.size());}});
|
|
|
|
testCollections(
|
|
new LinkedBlockingDeque(),
|
|
new LinkedBlockingDeque() {
|
|
public int size() {return randomize(super.size());}});
|
|
|
|
testCollections(
|
|
new ArrayBlockingQueue(5),
|
|
new ArrayBlockingQueue(5) {
|
|
public int size() {return randomize(super.size());}});
|
|
|
|
testCollections(
|
|
new PriorityBlockingQueue(5),
|
|
new PriorityBlockingQueue(5) {
|
|
public int size() {return randomize(super.size());}});
|
|
}
|
|
|
|
//--------------------- Infrastructure ---------------------------
|
|
static volatile int passed = 0, failed = 0;
|
|
static void pass() {passed++;}
|
|
static void fail() {failed++; Thread.dumpStack();}
|
|
static void fail(String msg) {System.out.println(msg); fail();}
|
|
static void unexpected(Throwable t) {failed++; t.printStackTrace();}
|
|
static void check(boolean cond) {if (cond) pass(); else fail();}
|
|
static void equal(Object x, Object y) {
|
|
if (x == null ? y == null : x.equals(y)) pass();
|
|
else fail(x + " not equal to " + y);}
|
|
static void arrayEqual(Object[] x, Object[] y) {
|
|
if (x == null ? y == null : Arrays.equals(x, y)) pass();
|
|
else fail(Arrays.toString(x) + " not equal to " + Arrays.toString(y));}
|
|
public static void main(String[] args) {
|
|
try {realMain(args);} catch (Throwable t) {unexpected(t);}
|
|
System.out.printf("%nPassed = %d, failed = %d%n%n", passed, failed);
|
|
if (failed > 0) throw new AssertionError("Some tests failed");}
|
|
private abstract static class CheckedThread extends Thread {
|
|
abstract void realRun() throws Throwable;
|
|
public void run() {
|
|
try {realRun();} catch (Throwable t) {unexpected(t);}}}
|
|
}
|