/* * Copyright (c) 2013, 2023, 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. */ package gc.arguments; /* * @test TestUnrecognizedVMOptionsHandling * @bug 8017611 * @summary Tests handling unrecognized VM options * @library /test/lib * @library / * @modules java.base/jdk.internal.misc * java.management * @run driver gc.arguments.TestUnrecognizedVMOptionsHandling */ import jdk.test.lib.process.OutputAnalyzer; 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 OutputAnalyzer outputWithError = GCArguments.executeLimitedTestJava( "-XX:+UseDynamicNumberOfGcThreads", "-version" ); outputWithError.shouldContain("Did you mean '(+/-)UseDynamicNumberOfGCThreads'?"); if (outputWithError.getExitValue() == 0) { throw new RuntimeException("Not expected to get exit value 0"); } outputWithError = GCArguments.executeLimitedTestJava( "-XX:MaxiumHeapSize=500m", "-version" ); outputWithError.shouldContain("Did you mean 'MaxHeapSize='?"); 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 OutputAnalyzer outputWithNoError = GCArguments.executeLimitedTestJava( "-XX:+UseDynamicNumberOfGCThreads", "-version" ); outputWithNoError.shouldNotContain("Did you mean '(+/-)UseDynamicNumberOfGCThreads'?"); outputWithNoError.shouldHaveExitValue(0); } }