1 /* 2 * Copyright (c) 2013, 2015, 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 /* 25 * @test TestUnrecognizedVMOptionsHandling 26 * @key gc 27 * @bug 8017611 28 * @summary Tests handling unrecognized VM options 29 * @library /test/lib 30 * @modules java.base/jdk.internal.misc 31 * java.management 32 * @run main/othervm TestUnrecognizedVMOptionsHandling 33 */ 34 35 import jdk.test.lib.process.OutputAnalyzer; 36 import jdk.test.lib.process.ProcessTools; 37 38 public class TestUnrecognizedVMOptionsHandling { 39 40 public static void main(String args[]) throws Exception { 41 // The first two JAVA processes are expected to fail, but with a correct VM option suggestion 42 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( 43 "-XX:+UseDynamicNumberOfGcThreads", 44 "-version" 45 ); 46 OutputAnalyzer outputWithError = new OutputAnalyzer(pb.start()); 47 outputWithError.shouldContain("Did you mean '(+/-)UseDynamicNumberOfGCThreads'?"); 48 if (outputWithError.getExitValue() == 0) { 49 throw new RuntimeException("Not expected to get exit value 0"); 50 } 51 52 pb = ProcessTools.createJavaProcessBuilder( 53 "-XX:MaxiumHeapSize=500m", 54 "-version" 55 ); 56 outputWithError = new OutputAnalyzer(pb.start()); 57 outputWithError.shouldContain("Did you mean 'MaxHeapSize=<value>'?"); 58 if (outputWithError.getExitValue() == 0) { 59 throw new RuntimeException("Not expected to get exit value 0"); 60 } 61 62 // The last JAVA process should run successfully for the purpose of sanity check 63 pb = ProcessTools.createJavaProcessBuilder( 64 "-XX:+UseDynamicNumberOfGCThreads", 65 "-version" 66 ); 67 OutputAnalyzer outputWithNoError = new OutputAnalyzer(pb.start()); 68 outputWithNoError.shouldNotContain("Did you mean '(+/-)UseDynamicNumberOfGCThreads'?"); 69 outputWithNoError.shouldHaveExitValue(0); 70 } 71 } 72