1 /* 2 * Copyright (c) 2013, 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 if (!Platform.is64bit()) { 37 System.out.println("ObjectAlignmentInBytes for CDS is only " + 38 "supported on 64bit platforms; this plaform is " + 39 System.getProperty("sun.arch.data.model")); 40 System.out.println("Skipping the test"); 41 return; 42 } 43 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( 44 "-XX:+UnlockDiagnosticVMOptions", "-XX:SharedArchiveFile=./sample.jsa", 45 "-Xshare:dump"); 46 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 47 output.shouldContain("Loading classes to share"); 48 output.shouldHaveExitValue(0); 49 50 pb = ProcessTools.createJavaProcessBuilder( 51 "-server", "-XX:+UnlockDiagnosticVMOptions", 52 "-XX:SharedArchiveFile=./sample.jsa", "-version"); 53 output = new OutputAnalyzer(pb.start()); 54 output.shouldNotContain("sharing"); 55 output.shouldHaveExitValue(0); 56 57 pb = ProcessTools.createJavaProcessBuilder( 58 "-server", "-Xshare:auto", "-XX:+UnlockDiagnosticVMOptions", 59 "-XX:SharedArchiveFile=./sample.jsa", "-version"); 60 output = new OutputAnalyzer(pb.start()); 61 try { 62 output.shouldContain("sharing"); 63 output.shouldHaveExitValue(0); 64 } catch (RuntimeException e) { 65 // If this failed then check that it would also be unable 66 // to share even if -Xshare:on is specified. If so, then 67 // return a success status. 68 pb = ProcessTools.createJavaProcessBuilder( 69 "-server", "-Xshare:on", "-XX:+UnlockDiagnosticVMOptions", 70 "-XX:SharedArchiveFile=./sample.jsa", "-version"); 71 output = new OutputAnalyzer(pb.start()); 72 output.shouldContain("Could not allocate metaspace at a compatible address"); 73 output.shouldHaveExitValue(1); 74 } 75 } 76 }