71 lines
3.0 KiB
Java
71 lines
3.0 KiB
Java
/*
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* Copyright (c) 2015, 2023, 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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* @test
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* @summary Check to make sure that shared strings in the bootstrap CDS archive
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* are actually shared
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* @requires vm.cds.write.archived.java.heap
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* @requires vm.flagless
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* @library /test/lib
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* @build SharedStringsWb jdk.test.whitebox.WhiteBox
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* @run driver jdk.test.lib.helpers.ClassFileInstaller -jar whitebox.jar jdk.test.whitebox.WhiteBox
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* @run driver SharedStrings
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*/
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import jdk.test.lib.cds.CDSTestUtils;
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import jdk.test.lib.process.ProcessTools;
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import jdk.test.lib.process.OutputAnalyzer;
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import jdk.test.lib.helpers.ClassFileInstaller;
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public class SharedStrings {
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public static void main(String[] args) throws Exception {
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// Note: This is a basic sanity test for Shared Strings feature.
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// This also serves as a reference on how to use this feature,
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// hence the command lines are spelled out instead of using the
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// test utils methods.
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ProcessBuilder pb = ProcessTools.createLimitedTestJavaProcessBuilder(
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"-XX:+UnlockDiagnosticVMOptions",
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"-XX:SharedArchiveFile=./SharedStrings.jsa",
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"-Xlog:cds,cds+hashtables",
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// Needed for bootclasspath match, for CDS to work with WhiteBox API
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"-Xbootclasspath/a:" + ClassFileInstaller.getJarPath("whitebox.jar"),
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"-Xshare:dump");
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OutputAnalyzer out = CDSTestUtils.executeAndLog(pb, "dump");
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CDSTestUtils.checkDump(out, "Shared string table stats");
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pb = ProcessTools.createLimitedTestJavaProcessBuilder(
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"-XX:+UnlockDiagnosticVMOptions",
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"-XX:SharedArchiveFile=./SharedStrings.jsa",
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// needed for access to white box test API
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"-Xbootclasspath/a:" + ClassFileInstaller.getJarPath("whitebox.jar"),
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"-XX:+UnlockDiagnosticVMOptions", "-XX:+WhiteBoxAPI",
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"-Xshare:on", "-showversion", "SharedStringsWb");
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out = CDSTestUtils.executeAndLog(pb, "exec");
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CDSTestUtils.checkExec(out);
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}
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}
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