1 /* 2 * Copyright (c) 2015, 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 /* 26 * @test 27 * @summary Basic test for shared strings 28 * Feature support: G1GC only, compressed oops/kptrs, 64-bit os, not on windows 29 * @requires (sun.arch.data.model != "32") & (os.family != "windows") 30 * @requires (vm.opt.UseCompressedOops == null) | (vm.opt.UseCompressedOops == true) 31 * @requires vm.gc.G1 32 * @library /test/hotspot/jtreg/runtime/appcds /test/lib 33 * @modules java.base/jdk.internal.misc 34 * @modules java.management 35 * jdk.jartool/sun.tools.jar 36 * @build HelloString 37 * @run main SharedStringsBasic 38 */ 39 import jdk.test.lib.process.OutputAnalyzer; 40 import jdk.test.lib.process.ProcessTools; 41 42 // This test does not use SharedStringsUtils intentionally: 43 // - in order to demonstrate the basic use of the functionality 44 // - to provide sanity check and catch potential problems in the utils 45 public class SharedStringsBasic { 46 public static void main(String[] args) throws Exception { 47 String appJar = JarBuilder.build("SharedStringsBasic", "HelloString"); 48 49 String sharedArchiveConfigFile = 50 TestCommon.getSourceFile("SharedStringsBasic.txt").toString(); 51 52 ProcessBuilder dumpPb = ProcessTools.createJavaProcessBuilder(true, 53 "-XX:+UseAppCDS", 54 "-XX:+UseCompressedOops", 55 "-XX:+UseG1GC", 56 "-cp", appJar, 57 "-XX:SharedArchiveConfigFile=" + sharedArchiveConfigFile, 58 "-XX:SharedArchiveFile=./SharedStringsBasic.jsa", 59 "-Xshare:dump", 60 "-Xlog:cds,cds+hashtables"); 61 62 TestCommon.executeAndLog(dumpPb, "dump") 63 .shouldContain("Shared string table stats") 64 .shouldHaveExitValue(0); 65 66 ProcessBuilder runPb = ProcessTools.createJavaProcessBuilder(true, 67 "-XX:+UseAppCDS", 68 "-XX:+UseCompressedOops", 69 "-XX:+UseG1GC", 70 "-cp", appJar, 71 "-XX:SharedArchiveFile=./SharedStringsBasic.jsa", 72 "-Xshare:auto", 73 "-showversion", 74 "HelloString"); 75 76 TestCommon.executeAndLog(runPb, "run").shouldHaveExitValue(0); 77 } 78 }