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/*
* Copyright (c) 2013, 2016, 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 TestUnrecognizedVMOptionsHandling
* @key gc
* @bug 8017611
* @summary Tests handling unrecognized VM options
* @library /test/lib
* @modules java.base/jdk.internal.misc
* java.management
* @run main/othervm TestUnrecognizedVMOptionsHandling
*/
import jdk.test.lib.process.OutputAnalyzer;
import jdk.test.lib.process.ProcessTools;
public class TestUnrecognizedVMOptionsHandling {
public static void main(String args[]) throws Exception {
// The first two JAVA processes are expected to fail, but with a correct VM option suggestion
ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
"-XX:+UseDynamicNumberOfGcThreads",
"-version"
);
OutputAnalyzer outputWithError = new OutputAnalyzer(pb.start());
outputWithError.shouldContain("Did you mean '(+/-)UseDynamicNumberOfGCThreads'?");
if (outputWithError.getExitValue() == 0) {
throw new RuntimeException("Not expected to get exit value 0");
}
pb = ProcessTools.createJavaProcessBuilder(
"-XX:MaxiumHeapSize=500m",
"-version"
);
outputWithError = new OutputAnalyzer(pb.start());
outputWithError.shouldContain("Did you mean 'MaxHeapSize=<value>'?");
if (outputWithError.getExitValue() == 0) {
throw new RuntimeException("Not expected to get exit value 0");
}
// The last JAVA process should run successfully for the purpose of sanity check
pb = ProcessTools.createJavaProcessBuilder(
"-XX:+UseDynamicNumberOfGCThreads",
"-version"
);
OutputAnalyzer outputWithNoError = new OutputAnalyzer(pb.start());
outputWithNoError.shouldNotContain("Did you mean '(+/-)UseDynamicNumberOfGCThreads'?");
outputWithNoError.shouldHaveExitValue(0);
}
}
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