1 /* 2 * Copyright (c) 2014, 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 import jdk.test.lib.*; 25 26 /* 27 * @test TestNullTerminatedFlags 28 * @bug 6522873 29 * @summary Test that the VM don't allow random junk characters at the end of valid command line flags. 30 * @library /testlibrary 31 * @modules java.base/jdk.internal.misc 32 * java.management 33 * @run driver TestNullTerminatedFlags 34 */ 35 public class TestNullTerminatedFlags { 36 public static String[] options = { 37 "-Xnoclassgc", 38 "-Xconcgc", 39 "-Xnoconcgc", 40 "-Xbatch", 41 "-green", 42 "-native", 43 "-Xsqnopause", 44 "-Xrs", 45 "-Xusealtsigs", 46 "-Xoptimize", 47 "-Xprof", 48 "-Xconcurrentio", 49 "-Xinternalversion", 50 "-Xprintflags", 51 "-Xint", 52 "-Xmixed", 53 "-Xcomp", 54 "-Xshare:dump", 55 "-Xshare:on", 56 "-Xshare:auto", 57 "-Xshare:off", 58 "-Xdebug", 59 "-Xnoagent", 60 "-Xboundthreads" 61 }; 62 63 public static void main(String args[]) throws Exception{ 64 for (String option : options) { 65 String testOption = option + "junk"; 66 ProcessBuilder pb = 67 ProcessTools.createJavaProcessBuilder(testOption, "-version"); 68 new OutputAnalyzer(pb.start()) 69 .shouldContain("Unrecognized option: " + testOption) 70 .shouldHaveExitValue(1); 71 } 72 } 73 } 74