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