1 /* 2 * Copyright (c) 2018, Google 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 24 package MyPackage; 25 26 /** 27 * @test 28 * @summary Verifies the JVMTI Heap Monitor does not work without the required capability. 29 * @compile HeapMonitorNoCapabilityTest.java 30 * @run main/othervm/native -agentlib:HeapMonitor MyPackage.HeapMonitorNoCapabilityTest 31 */ 32 33 public class HeapMonitorNoCapabilityTest { 34 static { 35 try { 36 System.loadLibrary("HeapMonitor"); 37 } catch (UnsatisfiedLinkError ule) { 38 System.err.println("Could not load HeapMonitor library"); 39 System.err.println("java.library.path: " 40 + System.getProperty("java.library.path")); 41 throw ule; 42 } 43 } 44 45 private native static int allSamplingMethodsFail(); 46 47 public static void main(String[] args) { 48 int result = allSamplingMethodsFail(); 49 50 if (result == 0) { 51 throw new RuntimeException("Some methods could be called without a capability."); 52 } 53 } 54 }