| /* |
| * Copyright (c) 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 8155600 |
| * @summary Tests for Arrays.asList() |
| * @run testng AsList |
| */ |
| |
| import java.util.Arrays; |
| import java.util.Iterator; |
| import java.util.NoSuchElementException; |
| import java.util.stream.IntStream; |
| |
| import org.testng.annotations.Test; |
| import org.testng.annotations.DataProvider; |
| import static org.testng.Assert.assertSame; |
| import static org.testng.Assert.assertTrue; |
| import static org.testng.Assert.assertFalse; |
| import static org.testng.Assert.fail; |
| |
| public class AsList { |
| /* |
| * Iterator contract test |
| */ |
| @Test(dataProvider = "Arrays") |
| public void testIterator(Object[] array) { |
| Iterator<Object> itr = Arrays.asList(array).iterator(); |
| for (int i = 0; i < array.length; i++) { |
| assertTrue(itr.hasNext()); |
| assertTrue(itr.hasNext()); // must be idempotent |
| assertSame(array[i], itr.next()); |
| try { |
| itr.remove(); |
| fail("Remove must throw"); |
| } catch (UnsupportedOperationException ex) { |
| // expected |
| } |
| } |
| assertFalse(itr.hasNext()); |
| for (int i = 0; i < 3; i++) { |
| assertFalse(itr.hasNext()); |
| try { |
| itr.next(); |
| fail("Next succeed when there's no data left"); |
| } catch (NoSuchElementException ex) { |
| // expected |
| } |
| } |
| } |
| |
| @DataProvider(name = "Arrays") |
| public static Object[][] arrays() { |
| Object[][] arrays = { |
| { new Object[] { } }, |
| { new Object[] { 1 } }, |
| { new Object[] { null } }, |
| { new Object[] { null, 1 } }, |
| { new Object[] { 1, null } }, |
| { new Object[] { null, null } }, |
| { new Object[] { null, 1, 2 } }, |
| { new Object[] { 1, null, 2 } }, |
| { new Object[] { 1, 2, null } }, |
| { new Object[] { null, null, null } }, |
| { new Object[] { 1, 2, 3, null, 4 } }, |
| { new Object[] { "a", "a", "a", "a" } }, |
| { IntStream.range(0, 100).boxed().toArray() } |
| }; |
| |
| return arrays; |
| } |
| } |