1 /* 2 * Copyright (c) 2013, 2015, 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 // We asked for server but it could be aliased to something else 52 if (output.getOutput().contains("Server VM")) { 53 // In server case we don't expect to see sharing flag 54 output.shouldNotContain("sharing"); 55 output.shouldHaveExitValue(0); 56 } 57 else { 58 System.out.println("Skipping test - no Server VM available"); 59 return; 60 } 61 62 pb = ProcessTools.createJavaProcessBuilder( 63 "-server", "-Xshare:auto", "-XX:+UnlockDiagnosticVMOptions", 64 "-XX:SharedArchiveFile=./XShareAuto.jsa", "-XX:+PrintSharedSpaces", "-version"); 65 output = new OutputAnalyzer(pb.start()); 66 try { 67 output.shouldContain("sharing"); 68 } catch (RuntimeException e) { 69 // if sharing failed due to ASLR or similar reasons, 70 // check whether sharing was attempted at all (UseSharedSpaces) 71 output.shouldContain("UseSharedSpaces:"); 72 output.shouldNotContain("Unable to map %s"); 73 } 74 output.shouldHaveExitValue(0); 75 } 76 }