1 /* 2 * Copyright (c) 2014, 2017, 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 26 * @bug 8027314 27 * @summary Warn if diagnostic or experimental vm option is used and -XX:+UnlockDiagnosticVMOptions or -XX:+UnlockExperimentalVMOptions, respectively, isn't specified. Warn if develop or notproduct vm option is used with product version of VM. 28 * @library /test/lib 29 * @modules java.base/jdk.internal.misc 30 * java.management 31 */ 32 33 import jdk.test.lib.process.ProcessTools; 34 import jdk.test.lib.process.OutputAnalyzer; 35 import jdk.test.lib.Platform; 36 37 public class VMOptionWarning { 38 public static void main(String[] args) throws Exception { 39 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+AlwaysSafeConstructors", "-version"); 40 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 41 output.shouldContain("Error: VM option 'AlwaysSafeConstructors' is experimental and must be enabled via -XX:+UnlockExperimentalVMOptions."); 42 43 if (Platform.isDebugBuild()) { 44 System.out.println("Skip the rest of the tests on debug builds since diagnostic, develop, and notproduct options are available on debug builds."); 45 return; 46 } 47 48 pb = ProcessTools.createJavaProcessBuilder("-XX:+PrintInlining", "-version"); 49 output = new OutputAnalyzer(pb.start()); 50 output.shouldContain("Error: VM option 'PrintInlining' is diagnostic and must be enabled via -XX:+UnlockDiagnosticVMOptions."); 51 52 pb = ProcessTools.createJavaProcessBuilder("-XX:+VerifyStack", "-version"); 53 output = new OutputAnalyzer(pb.start()); 54 output.shouldContain("Error: VM option 'VerifyStack' is develop and is available only in debug version of VM."); 55 56 pb = ProcessTools.createJavaProcessBuilder("-XX:+CheckCompressedOops", "-version"); 57 output = new OutputAnalyzer(pb.start()); 58 output.shouldContain("Error: VM option 'CheckCompressedOops' is notproduct and is available only in debug version of VM."); 59 } 60 }