1 /* 2 * Copyright (c) 2013, 2014, 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 /testlibrary 29 * @run main XShareAuto 30 */ 31 32 import com.oracle.java.testlibrary.*; 33 34 public class XShareAuto { 35 public static void main(String[] args) throws Exception { 36 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( 37 "-server", "-XX:+UnlockDiagnosticVMOptions", 38 "-XX:SharedArchiveFile=./sample.jsa", "-Xshare:dump"); 39 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 40 output.shouldContain("Loading classes to share"); 41 output.shouldHaveExitValue(0); 42 43 pb = ProcessTools.createJavaProcessBuilder( 44 "-server", "-XX:+UnlockDiagnosticVMOptions", 45 "-XX:SharedArchiveFile=./sample.jsa", "-version"); 46 output = new OutputAnalyzer(pb.start()); 47 // We asked for server but it could be aliased to something else 48 if (output.getOutput().contains("Server VM")) { 49 // In server case we don't expect to see sharing flag 50 output.shouldNotContain("sharing"); 51 output.shouldHaveExitValue(0); 52 } 53 else { 54 System.out.println("Skipping test - no Server VM available"); 55 return; 56 } 57 58 pb = ProcessTools.createJavaProcessBuilder( 59 "-server", "-Xshare:auto", "-XX:+UnlockDiagnosticVMOptions", 60 "-XX:SharedArchiveFile=./sample.jsa", "-XX:+PrintSharedSpaces", "-version"); 61 output = new OutputAnalyzer(pb.start()); 62 try { 63 output.shouldContain("sharing"); 64 } catch (RuntimeException e) { 65 // if sharing failed due to ASLR or similar reasons, 66 // check whether sharing was attempted at all (UseSharedSpaces) 67 output.shouldContain("UseSharedSpaces:"); 68 } 69 output.shouldHaveExitValue(0); 70 } 71 }