1 /* 2 * Copyright (c) 2013, 2016, 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 ConfigFileParsing 26 * @bug 7158804 27 * @summary Improve config file parsing 28 * @library /test/lib 29 * @modules java.base/jdk.internal.misc 30 * java.management 31 * @run driver ConfigFileParsing 32 */ 33 34 import java.io.PrintWriter; 35 import jdk.test.lib.process.ProcessTools; 36 import jdk.test.lib.process.OutputAnalyzer; 37 38 public class ConfigFileParsing { 39 public static void main(String[] args) throws Exception { 40 String testFileName = ".hotspotrc"; 41 42 // Create really long invalid option 43 String reallyLongInvalidOption = ""; 44 for (int i=0; i<5000; i++) 45 reallyLongInvalidOption+='a'; 46 47 // Populate the options file with really long string 48 PrintWriter pw = new PrintWriter(testFileName); 49 pw.println("-XX:+" + reallyLongInvalidOption); 50 pw.close(); 51 52 // start VM 53 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( 54 "-XX:+IgnoreUnrecognizedVMOptions", "-XX:Flags=.hotspotrc", "-version"); 55 56 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 57 output.shouldHaveExitValue(0); 58 } 59 }