| /* |
| * Copyright (c) 2010, 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 6992121 |
| * @summary Test the ArrayList.ensureCapacity() and Vector.ensureCapacity |
| * method with negative minimumCapacity input argument. |
| */ |
| |
| import java.util.ArrayList; |
| import java.util.Vector; |
| |
| public class EnsureCapacity { |
| public static void main(String[] args) { |
| testArrayList(); |
| testVector(); |
| } |
| |
| private static void checkCapacity(int before, int after) { |
| if (before != after) { |
| throw new RuntimeException("capacity is expected to be unchanged: " + |
| "before=" + before + " after=" + after); |
| } |
| } |
| |
| private static void testArrayList() { |
| ArrayList<String> al = new ArrayList<String>(); |
| al.add("abc"); |
| al.ensureCapacity(Integer.MIN_VALUE); |
| |
| // there is no method to query the capacity of ArrayList |
| // so before and after capacity are not checked |
| } |
| |
| private static void testVector() { |
| Vector<String> vector = new Vector<String>(); |
| vector.add("abc"); |
| |
| int cap = vector.capacity(); |
| vector.ensureCapacity(Integer.MIN_VALUE); |
| checkCapacity(cap, vector.capacity()); |
| } |
| } |