Mercurial > hg > graal-jvmci-8

annotate test/testlibrary_tests/RedefineClassTest.java @ 24226:abc19eb35547

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allow java.vm.name and java.vm.version to be initialized from a vm.properties file next to libjvm
author Doug Simon <doug.simon@oracle.com>
date Thu, 24 Aug 2017 22:20:40 +0200
parents 3e5e398431a8
children
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1 /*
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2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
3e5e398431a8 8044364: runtime/RedefineFinalizer test fails on windows
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23
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24 /*
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25 * @test
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26 * @library /testlibrary
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27 * @summary Proof of concept test for RedefineClassHelper
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28 * @build RedefineClassHelper
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29 * @run main RedefineClassHelper
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30 * @run main/othervm -javaagent:redefineagent.jar RedefineClassTest
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31 */
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32
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33 import static com.oracle.java.testlibrary.Asserts.*;
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34 import com.oracle.java.testlibrary.*;
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35
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36 /*
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37 * Proof of concept test for the test utility class RedefineClassHelper
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38 */
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39 public class RedefineClassTest {
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40
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41 public static String newClass = "class RedefineClassTest$A { public int Method() { return 2; } }";
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42 public static void main(String[] args) throws Exception {
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43 A a = new A();
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44 assertTrue(a.Method() == 1);
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45 RedefineClassHelper.redefineClass(A.class, newClass);
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46 assertTrue(a.Method() == 2);
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47 }
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48
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49 static class A {
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50 public int Method() {
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51 return 1;
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52 }
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53 }
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54 }