45 lines
1.8 KiB
Java
45 lines
1.8 KiB
Java
/*
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* Copyright (c) 2016, 2021, 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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* @requires vm.cds.write.archived.java.heap
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* @library /test/lib
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* @run driver SharedStringsDedup
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*/
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import jdk.test.lib.cds.CDSTestUtils;
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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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CDSTestUtils.createArchiveAndCheck()
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.shouldContain("Shared string table stats");
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CDSTestUtils.runWithArchiveAndCheck("-XX:+UseStringDeduplication");
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}
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}
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