1 /* 2 * Copyright (c) 2014, 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 24 /* 25 * @test SharedBaseAddress 26 * @summary Test variety of values for SharedBaseAddress, making sure 27 * VM handles normal values as well as edge values w/o a crash. 28 * @library /testlibrary 29 * @modules java.base/jdk.internal.misc 30 * java.management 31 * @run main SharedBaseAddress 32 */ 33 34 import jdk.test.lib.*; 35 36 public class SharedBaseAddress { 37 38 // shared base address test table 39 private static final String[] testTable = { 40 "1g", "8g", "64g","512g", "4t", 41 "32t", "128t", "0", 42 "1", "64k", "64M" 43 }; 44 45 public static void main(String[] args) throws Exception { 46 47 for (String testEntry : testTable) { 48 String filename = "SharedBaseAddress" + testEntry + ".jsa"; 49 System.out.println("sharedBaseAddress = " + testEntry); 50 51 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( 52 "-XX:+UnlockDiagnosticVMOptions", 53 "-XX:SharedArchiveFile=" + filename, 54 "-XX:SharedBaseAddress=" + testEntry, 55 "-Xshare:dump"); 56 57 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 58 59 output.shouldContain("Loading classes to share"); 60 61 try { 62 pb = ProcessTools.createJavaProcessBuilder( 63 "-XX:+UnlockDiagnosticVMOptions", 64 "-XX:SharedArchiveFile=" + filename, 65 "-Xshare:on", 66 "-version"); 67 output = new OutputAnalyzer(pb.start()); 68 output.shouldContain("sharing"); 69 output.shouldHaveExitValue(0); 70 } catch (RuntimeException e) { 71 output.shouldContain("Unable to use shared archive"); 72 output.shouldHaveExitValue(1); 73 } 74 } 75 } 76 }