106 lines
4.1 KiB
Java
106 lines
4.1 KiB
Java
/*
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* Copyright (c) 2017, 2021, 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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import java.lang.ClassLoader;
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public class TriggerResize extends ClassLoader
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{
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static private int[] DATA = // bytes for "class TestCase00000 {}"
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{
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-54, -2, -70, -66, 0, 0, 0, 52, 0, 13, // 0
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10, 0, 3, 0, 10, 7, 0, 11, 7, 0, // 10
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12, 1, 0, 6, 60, 105, 110, 105, 116, 62, // 20
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1, 0, 3, 40, 41, 86, 1, 0, 4, 67, // 30
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111, 100, 101, 1, 0, 15, 76, 105, 110, 101, // 40
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78, 117, 109, 98, 101, 114, 84, 97, 98, 108, // 50
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101, 1, 0, 10, 83, 111, 117, 114, 99, 101, // 60
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70, 105, 108, 101, 1, 0, 18, 84, 101, 115, // 70
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116, 67, 97, 115, 101, 48, 48, 48, 48, 48, // 80
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46, 106, 97, 118, 97, 12, 0, 4, 0, 5, // 90
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1, 0, 13, 84, 101, 115, 116, 67, 97, 115, // 100
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101, 48, 48, 48, 48, 48, 1, 0, 16, 106, // 110
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97, 118, 97, 47, 108, 97, 110, 103, 47, 79, // 120
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98, 106, 101, 99, 116, 0, 32, 0, 2, 0, // 130
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3, 0, 0, 0, 0, 0, 1, 0, 0, 0, // 140
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4, 0, 5, 0, 1, 0, 6, 0, 0, 0, // 150
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29, 0, 1, 0, 1, 0, 0, 0, 5, 42, // 160
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-73, 0, 1, -79, 0, 0, 0, 1, 0, 7, // 170
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0, 0, 0, 6, 0, 1, 0, 0, 0, 1, // 180
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0, 1, 0, 8, 0, 0, 0, 2, 0, 9 // 190
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};
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static private int INDEX1 = 85;
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static private int INDEX2 = 111;
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static private int BASE = 48;
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public TriggerResize()
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{
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super();
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}
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public void load(int index)
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{
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byte[] bytes = new byte[TriggerResize.DATA.length];
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for (int i=0; i<bytes.length; i++)
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{
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bytes[i] = (byte)TriggerResize.DATA[i];
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}
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// replace id "00000" in TestCase00000 to generate new class on the fly
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{
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int byte1 = index % 10;
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int byte2 = index / 10 % 10;
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int byte3 = index / 100 % 10;
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int byte4 = index / 1000 % 10;
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int byte5 = index / 10000 % 10;
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bytes[INDEX1+0] = bytes[INDEX2+0] = (byte)(BASE+byte5);
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bytes[INDEX1+1] = bytes[INDEX2+1] = (byte)(BASE+byte4);
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bytes[INDEX1+2] = bytes[INDEX2+2] = (byte)(BASE+byte3);
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bytes[INDEX1+3] = bytes[INDEX2+3] = (byte)(BASE+byte2);
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bytes[INDEX1+4] = bytes[INDEX2+4] = (byte)(BASE+byte1);
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}
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Class generatedClass = defineClass(bytes, 0, bytes.length);
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resolveClass(generatedClass);
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}
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public static void main(String args[]) throws Exception
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{
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int count = 0;
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if (args.length >= 1) {
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Integer i = Integer.parseInt(args[0]);
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count = i.intValue();
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}
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TriggerResize test = new TriggerResize();
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for (int i = 0; i <= count; i++)
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{
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test.load(i);
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}
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// trigger safepoint to resize the SystemDictionary if needed
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System.gc();
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}
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}
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