76 lines
4.1 KiB
Java
76 lines
4.1 KiB
Java
/*
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* Copyright (c) 2013, 2018, 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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//package nsk.jvmti.RedefineClasses.StressRedefine;
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package nsk.jvmti.RedefineClasses;
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import java.util.Random;
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public class GenerateSourceHelper {
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static final String STATIC_METHOD_NAME = "staticMethod";
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static final String NONSTATIC_METHOD_NAME = "regularMethod";
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static final String CLASS_NAME = "MyClass";
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private static Random random;
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public static void setRandom(Random random) {
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GenerateSourceHelper.random = random;
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}
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/**
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* We can vary only constant pool and method bodies from call to call
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*
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*/
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static CharSequence generateSource() {
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return "public class " + CLASS_NAME + " { " +
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"public static String s1 = \"s1s" + random.nextInt() + "dfsdf\"; " +
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"public int i = 1345345345; \n" +
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"public static double dd = 1e-4; \n" +
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"public String s2 = \"s2" + random.nextInt() + "sdfsdf\"; \n" +
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"public static String static_s2 = \"s2" + random.nextInt() + "sdfsdf\"; \n" +
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"protected String sprotected1 = \"asdfsdf" + random.nextInt() + "sdf\"; \n" +
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"protected double d = -.12345; \n" +
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"public String methodJustPadding() {return s1 + s2 + d; } \n" +
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"public static String " + STATIC_METHOD_NAME + "(double d, int i, Object o) {\n" +
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"String ret_0 = \"little computation \" + (4 * dd + d + i + o.hashCode() + s1.length()); \n" +
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"String ret_1 = \"in_static_method call_random=" + random.nextInt() + "\"; \n" +
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"String ret = s1 + static_s2 + d + i + o; \n" +
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//"System.out.println(\"ret stat is : \" + ret);" +
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"return ret; " +
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"} \n" +
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"public String methodInTheMiddle() {return s1 + s2; } \n" +
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"public String " + NONSTATIC_METHOD_NAME + "(double d, int i, Object o) {\n" +
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"String ret_0 = \"little computation \" + (2 * dd + 5 * d + i + o.hashCode() + s2.length()); \n" +
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"String ret_1 = \"in_nonstatic_method call_random=" + random.nextInt() + "\"; " +
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"String ret = ret_0 + ret_1 + s1 + s2 + i + o; \n" +
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//"System.out.println(\"ret nonstat is : \" + ret);" +
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"return ret;" +
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"} \n" +
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"public String methodFinalInClass() {return s1 + s2 + i; } \n" +
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"}";
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}
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}
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