/* * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ /* * @test SharedStringsAuto * @summary Test -Xshare:auto with shared strings. * Feature support: G1GC only, compressed oops/kptrs, 64-bit os, not on windows * @requires (sun.arch.data.model != "32") & (os.family != "windows") * @requires (vm.opt.UseCompressedOops == null) | (vm.opt.UseCompressedOops == true) * @requires vm.gc.G1 * @library /test/lib * @modules java.base/jdk.internal.misc * java.management * @run main SharedStringsRunAuto */ import jdk.test.lib.process.ProcessTools; import jdk.test.lib.process.OutputAnalyzer; import java.io.File; public class SharedStringsRunAuto { public static void main(String[] args) throws Exception { // Dump ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( "-XX:+UnlockDiagnosticVMOptions", "-XX:SharedArchiveFile=./SharedStringsRunAuto.jsa", "-XX:+UseCompressedOops", "-XX:+UseG1GC", "-XX:+PrintSharedSpaces", "-Xshare:dump"); new OutputAnalyzer(pb.start()) .shouldContain("Loading classes to share") .shouldContain("Shared string table stats") .shouldHaveExitValue(0); // Run with -Xshare:auto pb = ProcessTools.createJavaProcessBuilder( "-XX:+UnlockDiagnosticVMOptions", "-XX:SharedArchiveFile=./SharedStringsRunAuto.jsa", "-XX:+UseCompressedOops", "-XX:+UseG1GC", "-Xshare:auto", "-version"); new OutputAnalyzer(pb.start()) .shouldMatch("(java|openjdk) version") .shouldHaveExitValue(0); } }