1 /* 2 * Copyright (c) 2013, 2019, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 package gc.arguments; 25 26 /* 27 * @test TestUnrecognizedVMOptionsHandling 28 * @key gc 29 * @bug 8017611 30 * @summary Tests handling unrecognized VM options 31 * @library /test/lib 32 * @library / 33 * @modules java.base/jdk.internal.misc 34 * java.management 35 * @run main/othervm gc.arguments.TestUnrecognizedVMOptionsHandling 36 */ 37 38 import jdk.test.lib.process.OutputAnalyzer; 39 import jdk.test.lib.process.ProcessTools; 40 41 public class TestUnrecognizedVMOptionsHandling { 42 main(String args[])43 public static void main(String args[]) throws Exception { 44 // The first two JAVA processes are expected to fail, but with a correct VM option suggestion 45 ProcessBuilder pb = GCArguments.createJavaProcessBuilder( 46 "-XX:+UseDynamicNumberOfGcThreads", 47 "-version" 48 ); 49 OutputAnalyzer outputWithError = new OutputAnalyzer(pb.start()); 50 outputWithError.shouldContain("Did you mean '(+/-)UseDynamicNumberOfGCThreads'?"); 51 if (outputWithError.getExitValue() == 0) { 52 throw new RuntimeException("Not expected to get exit value 0"); 53 } 54 55 pb = GCArguments.createJavaProcessBuilder( 56 "-XX:MaxiumHeapSize=500m", 57 "-version" 58 ); 59 outputWithError = new OutputAnalyzer(pb.start()); 60 outputWithError.shouldContain("Did you mean 'MaxHeapSize=<value>'?"); 61 if (outputWithError.getExitValue() == 0) { 62 throw new RuntimeException("Not expected to get exit value 0"); 63 } 64 65 // The last JAVA process should run successfully for the purpose of sanity check 66 pb = GCArguments.createJavaProcessBuilder( 67 "-XX:+UseDynamicNumberOfGCThreads", 68 "-version" 69 ); 70 OutputAnalyzer outputWithNoError = new OutputAnalyzer(pb.start()); 71 outputWithNoError.shouldNotContain("Did you mean '(+/-)UseDynamicNumberOfGCThreads'?"); 72 outputWithNoError.shouldHaveExitValue(0); 73 } 74 } 75 76