AddModuleReadsTest.java revision 12290:8953c0318163
1/* 2 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24package MyPackage; 25 26/** 27 * @test 28 * @summary Verifies the JVMTI AddModuleReads API 29 * @compile AddModuleReadsTest.java 30 * @run main/othervm/native -agentlib:AddModuleReadsTest MyPackage.AddModuleReadsTest 31 */ 32 33import java.io.PrintStream; 34import java.lang.instrument.Instrumentation; 35import java.lang.reflect.Module; 36 37public class AddModuleReadsTest { 38 39 static { 40 try { 41 System.loadLibrary("AddModuleReadsTest"); 42 } catch (UnsatisfiedLinkError ule) { 43 System.err.println("Could not load AddModuleReadsTest library"); 44 System.err.println("java.library.path: " 45 + System.getProperty("java.library.path")); 46 throw ule; 47 } 48 } 49 50 native static int check(Module unnamed, Module base, Module instrument); 51 52 public static void main(String args[]) { 53 Module unnamed = AddModuleReadsTest.class.getClassLoader().getUnnamedModule(); 54 Module base = Object.class.getModule(); 55 Module instrument = Instrumentation.class.getModule(); 56 int status = check(unnamed, base, instrument); 57 if (status != 0) { 58 throw new RuntimeException("Non-zero status returned from the agent: " + status); 59 } 60 } 61} 62