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/*
* Copyright (c) 2015, 2016, 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 8066070
* @run testng AddNonComparable
*/
import org.testng.annotations.Test;
import java.util.PriorityQueue;
import java.util.Queue;
import java.util.SortedMap;
import java.util.SortedSet;
import java.util.TreeMap;
import java.util.TreeSet;
import java.util.concurrent.ConcurrentSkipListMap;
import java.util.concurrent.ConcurrentSkipListSet;
import java.util.concurrent.PriorityBlockingQueue;
import java.util.function.BiConsumer;
import java.util.function.Supplier;
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertTrue;
public class AddNonComparable {
static <E> void test(Queue<E> queue, Supplier<E> supplier,
BiConsumer<? super Queue<E>, Throwable> checker) {
Throwable x = null;
try { queue.add(supplier.get()); }
catch (Throwable e) { x = e; }
checker.accept(queue, x);
}
@Test
public void queues() {
test(new PriorityQueue<>(), NonComparable::new,
(q, e) -> {
assertEquals(q.size(), 0);
assertTrue(e instanceof ClassCastException);
});
test(new PriorityQueue<>(), AComparable::new,
(q, e) -> {
assertEquals(q.size(), 1);
assertTrue(e == null);
});
test(new PriorityBlockingQueue<>(), NonComparable::new,
(q, e) -> {
assertEquals(q.size(), 0);
assertTrue(e instanceof ClassCastException);
});
test(new PriorityBlockingQueue<>(), AComparable::new,
(q, e) -> {
assertEquals(q.size(), 1);
assertTrue(e == null);
});
}
static <E> void test(SortedSet<E> set, Supplier<E> supplier,
BiConsumer<? super SortedSet<E>, Throwable> checker) {
Throwable x = null;
try { set.add(supplier.get()); }
catch (Throwable e) { x = e; }
checker.accept(set, x);
}
@Test
public void sets() {
test(new TreeSet<>(), NonComparable::new,
(s, e) -> {
assertEquals(s.size(), 0);
assertTrue(e instanceof ClassCastException);
});
test(new TreeSet<>(), AComparable::new,
(s, e) -> {
assertEquals(s.size(), 1);
assertTrue(e == null);
});
test(new ConcurrentSkipListSet<>(), NonComparable::new,
(s, e) -> {
assertEquals(s.size(), 0);
assertTrue(e instanceof ClassCastException);
});
test(new ConcurrentSkipListSet<>(), AComparable::new,
(s, e) -> {
assertEquals(s.size(), 1);
assertTrue(e == null);
});
}
static <K> void test(SortedMap<K,Boolean> map, Supplier<K> supplier,
BiConsumer<? super SortedMap<K,Boolean>, Throwable> checker) {
Throwable x = null;
try { map.put(supplier.get(), Boolean.TRUE); }
catch (Throwable e) { x = e; }
checker.accept(map, x);
}
@Test
public void maps() {
test(new TreeMap<>(), NonComparable::new,
(m, e) -> {
assertEquals(m.size(), 0);
assertTrue(e instanceof ClassCastException);
});
test(new TreeMap<>(), AComparable::new,
(m, e) -> {
assertEquals(m.size(), 1);
assertTrue(e == null);
});
test(new ConcurrentSkipListMap<>(), NonComparable::new,
(s, e) -> {
assertEquals(s.size(), 0);
assertTrue(e instanceof ClassCastException);
});
test(new ConcurrentSkipListMap<>(), AComparable::new,
(s, e) -> {
assertEquals(s.size(), 1);
assertTrue(e == null);
});
}
static class NonComparable { }
static class AComparable implements Comparable<AComparable> {
@Override public int compareTo(AComparable v) { return 0; }
}
}
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