author | mchung |
Tue, 19 Oct 2010 10:02:25 -0700 | |
changeset 7020 | 25638687fe82 |
permissions | -rw-r--r-- |
7020
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/* |
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* Copyright (c) 2010, 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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* @test |
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* @bug 6992121 |
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* @summary Test the ArrayList.ensureCapacity() and Vector.ensureCapacity |
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* method with negative minimumCapacity input argument. |
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*/ |
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import java.util.ArrayList; |
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import java.util.Vector; |
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public class EnsureCapacity { |
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public static void main(String[] args) { |
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testArrayList(); |
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testVector(); |
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} |
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private static void checkCapacity(int before, int after) { |
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if (before != after) { |
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throw new RuntimeException("capacity is expected to be unchanged: " + |
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"before=" + before + " after=" + after); |
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} |
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} |
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private static void testArrayList() { |
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ArrayList<String> al = new ArrayList<String>(); |
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al.add("abc"); |
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al.ensureCapacity(Integer.MIN_VALUE); |
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// there is no method to query the capacity of ArrayList |
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// so before and after capacity are not checked |
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} |
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private static void testVector() { |
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Vector<String> vector = new Vector<String>(); |
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vector.add("abc"); |
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int cap = vector.capacity(); |
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vector.ensureCapacity(Integer.MIN_VALUE); |
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checkCapacity(cap, vector.capacity()); |
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} |
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} |