1 /* 2 * Copyright (c) 2015, 2018, 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 * @requires vm.cds.archived.java.heap 29 * @library /test/hotspot/jtreg/runtime/appcds /test/lib 30 * @modules jdk.jartool/sun.tools.jar 31 * @build HelloString 32 * @run driver SharedStringsBasic 33 */ 34 import jdk.test.lib.process.OutputAnalyzer; 35 import jdk.test.lib.process.ProcessTools; 36 37 // This test does not use SharedStringsUtils.dumpXXX() 38 // and SharedStringsUtils.runWithXXX() intentionally: 39 // - in order to demonstrate the basic use of the functionality 40 // - to provide sanity check and catch potential problems in the utils 41 public class SharedStringsBasic { 42 public static void main(String[] args) throws Exception { 43 SharedStringsUtils.run(args, SharedStringsBasic::test); 44 } 45 46 public static void test(String[] args) throws Exception { 47 String vmOptionsPrefix[] = SharedStringsUtils.getChildVMOptionsPrefix(); 48 49 String appJar = JarBuilder.build("SharedStringsBasic", "HelloString"); 50 51 String sharedArchiveConfigFile = 52 TestCommon.getSourceFile("SharedStringsBasic.txt").toString(); 53 54 ProcessBuilder dumpPb = ProcessTools.createJavaProcessBuilder(true, 55 TestCommon.concat(vmOptionsPrefix, 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 TestCommon.concat(vmOptionsPrefix, 68 "-cp", appJar, 69 "-XX:SharedArchiveFile=./SharedStringsBasic.jsa", 70 "-Xshare:auto", 71 "-showversion", 72 "HelloString")); 73 74 TestCommon.executeAndLog(runPb, "run").shouldHaveExitValue(0); 75 } 76 }