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/*
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* Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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/*
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* @test
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* @summary Write a lots of shared strings.
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* Feature support: G1GC only, compressed oops/kptrs, 64-bit os, not on windows
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* @requires (sun.arch.data.model != "32") & (os.family != "windows")
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* @requires (vm.opt.UseCompressedOops == null) | (vm.opt.UseCompressedOops == true)
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* @requires vm.gc.G1
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* @library /test/hotspot/jtreg/runtime/appcds /test/lib
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* @modules jdk.jartool/sun.tools.jar
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* @build HelloString
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* @run main SharedStringsStress
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*/
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.OutputStreamWriter;
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import java.io.PrintWriter;
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import jdk.test.lib.process.OutputAnalyzer;
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import jdk.test.lib.process.ProcessTools;
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public class SharedStringsStress {
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public static void main(String[] args) throws Exception {
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String appJar = JarBuilder.build("SharedStringsStress", "HelloString");
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String sharedArchiveConfigFile = System.getProperty("user.dir") + File.separator + "SharedStringsStress_gen.txt";
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try (FileOutputStream fos = new FileOutputStream(sharedArchiveConfigFile)) {
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PrintWriter out = new PrintWriter(new OutputStreamWriter(fos));
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out.println("VERSION: 1.0");
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out.println("@SECTION: String");
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out.println("31: shared_test_string_unique_14325");
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for (int i=0; i<100000; i++) {
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String s = "generated_string " + i;
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out.println(s.length() + ": " + s);
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}
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out.close();
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}
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// Set NewSize to 8m due to dumping could fail in hs-tier6 testing with
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// the vm options: -XX:+UnlockCommercialFeatures -XX:+UseDeterministicG1GC
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// resulting in vm initialization error:
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// "GC triggered before VM initialization completed. Try increasing NewSize, current value 1331K."
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OutputAnalyzer dumpOutput = TestCommon.dump(appJar, TestCommon.list("HelloString"), "-XX:NewSize=8m",
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"-XX:SharedArchiveConfigFile=" + sharedArchiveConfigFile);
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TestCommon.checkDump(dumpOutput);
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OutputAnalyzer execOutput = TestCommon.exec(appJar, "HelloString");
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TestCommon.checkExec(execOutput);
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}
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}
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