76 lines
2.9 KiB
Java
76 lines
2.9 KiB
Java
/*
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* Copyright (c) 2013, 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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* @requires vm.cds
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* @requires vm.flagless
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* @bug 8005933
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* @summary -Xshare:auto is the default when -Xshare is not specified
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* @library /test/lib
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* @modules java.base/jdk.internal.misc
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* java.management
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* @run driver XShareAuto
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*/
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import jdk.test.lib.Platform;
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import jdk.test.lib.process.ProcessTools;
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import jdk.test.lib.process.OutputAnalyzer;
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public class XShareAuto {
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public static void main(String[] args) throws Exception {
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ProcessBuilder pb = ProcessTools.createLimitedTestJavaProcessBuilder(
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"-server", "-XX:+UnlockDiagnosticVMOptions",
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"-XX:SharedArchiveFile=./XShareAuto.jsa", "-Xshare:dump", "-Xlog:cds");
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OutputAnalyzer output = new OutputAnalyzer(pb.start());
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output.shouldContain("Loading classes to share");
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output.shouldHaveExitValue(0);
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// We have 2 test cases:
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String cases[] = {
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"-Xshare:auto", // case [1]: -Xshare:auto is explicitly specified.
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"-showversion" // case [2]: -Xshare:auto is not explicitly specified,
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// but VM should still use it by default.
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};
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for (String x : cases) {
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pb = ProcessTools.createLimitedTestJavaProcessBuilder(
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"-XX:+UnlockDiagnosticVMOptions",
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"-XX:SharedArchiveFile=./XShareAuto.jsa",
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"-Xlog:cds",
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x,
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"-version");
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output = new OutputAnalyzer(pb.start());
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String outputString = output.getOutput();
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if (!outputString.contains("Unable to map")) {
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// sharing may not be enabled if XShareAuto.jsa cannot be mapped due to
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// ASLR.
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output.shouldContain("sharing");
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}
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output.shouldHaveExitValue(0);
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}
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}
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}
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