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/*
* Copyright (c) 2014, 2018, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/**
* @test
* @bug 8059510
* @summary Test SharedSymbolTableBucketSize option
* @requires vm.cds
* @library /test/lib
* @modules java.base/jdk.internal.misc
* java.management
*/
import jdk.test.lib.cds.CDSTestUtils;
import jdk.test.lib.process.OutputAnalyzer;
public class SharedSymbolTableBucketSize {
public static void main(String[] args) throws Exception {
int bucket_size = 8;
OutputAnalyzer output =
CDSTestUtils.createArchive("-XX:SharedSymbolTableBucketSize="
+ Integer.valueOf(bucket_size));
CDSTestUtils.checkDump(output);
if (!CDSTestUtils.isUnableToMap(output)) {
String s = output.firstMatch("Average bucket size : .*");
Float f = Float.parseFloat(s.substring(25));
int size = Math.round(f);
if (size != bucket_size) {
throw new Exception("FAILED: incorrect bucket size " + size +
", expect " + bucket_size);
}
}
// Invalid SharedSymbolTableBucketSize input
String input[] = {"-XX:SharedSymbolTableBucketSize=-1",
"-XX:SharedSymbolTableBucketSize=2.5"};
for (int i = 0; i < input.length; i++) {
CDSTestUtils.createArchive(input[i])
.shouldContain("Improperly specified VM option")
.shouldHaveExitValue(1);
}
}
}
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