diff -r 0afc5f9eafef -r 78b2ecdd3c4b test/hotspot/jtreg/runtime/appcds/sharedStrings/SharedStringsStress.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/hotspot/jtreg/runtime/appcds/sharedStrings/SharedStringsStress.java Mon Nov 27 20:21:34 2017 -0800 @@ -0,0 +1,71 @@ +/* + * Copyright (c) 2017, 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 + * @summary Write a lots of 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/hotspot/jtreg/runtime/appcds /test/lib + * @modules jdk.jartool/sun.tools.jar + * @build HelloString + * @run main SharedStringsStress + */ +import java.io.File; +import java.io.FileOutputStream; +import java.io.OutputStreamWriter; +import java.io.PrintWriter; +import jdk.test.lib.process.OutputAnalyzer; +import jdk.test.lib.process.ProcessTools; + +public class SharedStringsStress { + public static void main(String[] args) throws Exception { + String appJar = JarBuilder.build("SharedStringsStress", "HelloString"); + + String sharedArchiveConfigFile = System.getProperty("user.dir") + File.separator + "SharedStringsStress_gen.txt"; + try (FileOutputStream fos = new FileOutputStream(sharedArchiveConfigFile)) { + PrintWriter out = new PrintWriter(new OutputStreamWriter(fos)); + out.println("VERSION: 1.0"); + out.println("@SECTION: String"); + out.println("31: shared_test_string_unique_14325"); + for (int i=0; i<100000; i++) { + String s = "generated_string " + i; + out.println(s.length() + ": " + s); + } + out.close(); + } + + // Set NewSize to 8m due to dumping could fail in hs-tier6 testing with + // the vm options: -XX:+UnlockCommercialFeatures -XX:+UseDeterministicG1GC + // resulting in vm initialization error: + // "GC triggered before VM initialization completed. Try increasing NewSize, current value 1331K." + OutputAnalyzer dumpOutput = TestCommon.dump(appJar, TestCommon.list("HelloString"), "-XX:NewSize=8m", + "-XX:SharedArchiveConfigFile=" + sharedArchiveConfigFile); + TestCommon.checkDump(dumpOutput); + OutputAnalyzer execOutput = TestCommon.exec(appJar, "HelloString"); + TestCommon.checkExec(execOutput); + } +}