--- /dev/null 2019-12-27 12:58:23.874685741 +0000 +++ new/test/jdk/java/util/AbstractList/CheckForIndexOutOfBoundsException.java 2020-02-05 19:33:28.608712881 +0000 @@ -0,0 +1,114 @@ +/* + * Copyright (c) 2020, 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 8161558 + * @summary ListIterator should not discard cause on exception + * @run testng CheckForIndexOutOfBoundsException + */ + +import java.util.List; +import java.util.AbstractList; +import java.util.Iterator; +import java.util.ListIterator; +import java.util.NoSuchElementException; + +import org.testng.annotations.Test; + +import static org.testng.Assert.assertNotNull; +import static org.testng.Assert.assertTrue; +import static org.testng.Assert.fail; + +// Fixed size list containing two elements + +class MyList extends AbstractList { + + private static final int SIZE = 2; + + public String get(int i) { + if (i >= 0 && i < SIZE) { + return "x"; + } else { + throw new IndexOutOfBoundsException(); + } + } + + public int size() { + return SIZE; + } +} + +@Test +public class CheckForIndexOutOfBoundsException { + + List list = new MyList(); + + + @Test + public void checkIteratorNext() { + var iterator = list.iterator(); // position at start + try { + for (int i = 0; i <= list.size(); i++) { + iterator.next(); + } + fail("Failing checkIteratorNext() - NoSuchElementException should have been thrown"); + } catch (NoSuchElementException e) { + checkAssertOnException(e); + } + } + + @Test + public void checkListIteratorNext() { + var iterator = list.listIterator(list.size()); // position at end + try { + iterator.next(); + fail("Failing checkListIteratorNext() - NoSuchElementException should have been thrown"); + } catch (NoSuchElementException e) { + checkAssertOnException(e); + } + } + + @Test + public void checkListIteratorPrevious() { + var iterator = list.listIterator(0); // position at start + try { + iterator.previous(); + fail("Failing checkListIteratorPrevious() - NoSuchElementException should have been thrown"); + } catch (NoSuchElementException e) { + checkAssertOnException(e); + } + } + + private void checkAssertOnException(NoSuchElementException e) { + var cause = e.getCause(); + assertNotNull(cause, "Exception.getCause()"); + assertTrue(cause instanceof IndexOutOfBoundsException, "Exception.getCause() should be an " + + "IndexOutOfBoundsException"); + var msg = e.getMessage(); + assertNotNull(msg, "Exception.getMessage()"); + assertTrue(msg.contains("IndexOutOfBoundsException"), "Exception.getMessage() should " + + "contain the string 'IndexOutOfBoundsException'"); + } +} +