651e15fda6
Co-authored-by: Ioi Lam <ioi.lam@oracle.com> Reviewed-by: stefank, drwhite, tschatzl, jiangli, iklam
73 lines
2.9 KiB
Java
73 lines
2.9 KiB
Java
/*
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* Copyright (c) 2016, 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 SharedStringsDedup
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* @summary Test -Xshare:auto with shared strings and -XX:+UseStringDeduplication
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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 /testlibrary
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* @modules java.base/jdk.internal.misc
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* java.management
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* @run main SharedStringsDedup
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*/
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import jdk.test.lib.*;
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import java.io.File;
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// The main purpose is to test the interaction between shared strings
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// and -XX:+UseStringDeduplication. We run in -Xshare:auto mode so
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// we don't need to worry about CDS archive mapping failure (which
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// doesn't happen often so it won't impact coverage).
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public class SharedStringsDedup {
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public static void main(String[] args) throws Exception {
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// Dump
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ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
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"-XX:+UnlockDiagnosticVMOptions",
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"-XX:SharedArchiveFile=./SharedStringsDedup.jsa",
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"-XX:+UseCompressedOops", "-XX:+UseG1GC",
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"-XX:+PrintSharedSpaces",
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"-Xshare:dump");
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new OutputAnalyzer(pb.start())
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.shouldContain("Loading classes to share")
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.shouldContain("Shared string table stats")
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.shouldHaveExitValue(0);
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// Run with -Xshare:auto
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pb = ProcessTools.createJavaProcessBuilder(
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"-XX:+UnlockDiagnosticVMOptions",
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"-XX:SharedArchiveFile=./SharedStringsDedup.jsa",
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"-XX:+UseCompressedOops", "-XX:+UseG1GC",
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"-XX:+UseStringDeduplication",
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"-Xshare:auto",
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"-version");
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new OutputAnalyzer(pb.start())
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.shouldMatch("(java|openjdk) version")
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.shouldHaveExitValue(0);
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}
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}
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