68 lines
2.7 KiB
Java
68 lines
2.7 KiB
Java
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/*
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* Copyright (c) 2014, 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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* @bug 8059510
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* @summary Test SharedSymbolTableBucketSize option
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* @library /testlibrary
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*/
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import com.oracle.java.testlibrary.*;
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public class SharedSymbolTableBucketSize {
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public static void main(String[] args) throws Exception {
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int bucket_size = 8;
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ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
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"-Xshare:dump", "-XX:+PrintSharedSpaces",
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"-XX:+UnlockDiagnosticVMOptions",
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"-XX:SharedArchiveFile=./sample.jsa",
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"-XX:SharedSymbolTableBucketSize=" + Integer.valueOf(bucket_size));
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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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String s = output.firstMatch("Average bucket size : .*");
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Float f = Float.parseFloat(s.substring(25));
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int size = Math.round(f);
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if (size != bucket_size) {
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throw new Exception("FAILED: incorrect bucket size " + size +
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", expect " + bucket_size);
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}
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// Invalid SharedSymbolTableBucketSize input
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String input[] = {"-XX:SharedSymbolTableBucketSize=-1",
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"-XX:SharedSymbolTableBucketSize=2.5"};
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for (int i = 0; i < input.length; i++) {
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pb = ProcessTools.createJavaProcessBuilder(
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"-Xshare:dump", "-XX:+PrintSharedSpaces",
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"-XX:+UnlockDiagnosticVMOptions",
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"-XX:SharedArchiveFile=./sample.jsa",
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input[i]);
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output = new OutputAnalyzer(pb.start());
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output.shouldContain("Improperly specified VM option");
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}
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}
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}
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