1 /* 2 * Copyright (c) 2013, 2017, 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 26 * @bug 8005933 27 * @summary Test that -Xshare:auto uses CDS when explicitly specified with -server. 28 * @library /test/lib 29 * @modules java.base/jdk.internal.misc 30 * java.management 31 * @run main XShareAuto 32 */ 33 34 import jdk.test.lib.Platform; 35 import jdk.test.lib.process.ProcessTools; 36 import jdk.test.lib.process.OutputAnalyzer; 37 38 public class XShareAuto { 39 public static void main(String[] args) throws Exception { 40 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( 41 "-server", "-XX:+UnlockDiagnosticVMOptions", 42 "-XX:SharedArchiveFile=./XShareAuto.jsa", "-Xshare:dump"); 43 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 44 output.shouldContain("Loading classes to share"); 45 output.shouldHaveExitValue(0); 46 47 pb = ProcessTools.createJavaProcessBuilder( 48 "-server", "-XX:+UnlockDiagnosticVMOptions", 49 "-XX:SharedArchiveFile=./XShareAuto.jsa", "-version"); 50 output = new OutputAnalyzer(pb.start()); 51 String outputString = output.getOutput(); 52 // We asked for server but it could be aliased to something else 53 if (outputString.contains("Server VM") && !outputString.contains("emulated-client")) { 54 // In server case we don't expect to see sharing flag 55 output.shouldNotContain("sharing"); 56 output.shouldHaveExitValue(0); 57 } 58 else { 59 System.out.println("Skipping test - no Server VM available"); 60 return; 61 } 62 63 pb = ProcessTools.createJavaProcessBuilder( 64 "-server", "-Xshare:auto", "-XX:+UnlockDiagnosticVMOptions", 65 "-XX:SharedArchiveFile=./XShareAuto.jsa", "-Xlog:cds", "-version"); 66 output = new OutputAnalyzer(pb.start()); 67 try { 68 output.shouldContain("sharing"); 69 } catch (RuntimeException e) { 70 // if sharing failed due to ASLR or similar reasons, 71 // check whether sharing was attempted at all (UseSharedSpaces) 72 output.shouldContain("UseSharedSpaces:"); 73 output.shouldNotContain("Unable to map %s"); 74 } 75 output.shouldHaveExitValue(0); 76 } 77 }