1 /* 2 * Copyright (c) 2014, 2020, 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 8031320 27 * @summary Verify UseRTMDeopt option processing on CPUs or OSs without rtm support 28 * or on VMs without rtm locking support. 29 * @library /test/lib / 30 * @modules java.base/jdk.internal.misc 31 * java.management 32 * @requires !vm.rtm.cpu & vm.rtm.compiler 33 * @requires vm.flagless 34 * @run driver compiler.rtm.cli.TestUseRTMDeoptOptionOnUnsupportedConfig 35 */ 36 37 package compiler.rtm.cli; 38 39 import jdk.test.lib.cli.CommandLineOptionTest; 40 41 public class TestUseRTMDeoptOptionOnUnsupportedConfig 42 extends RTMGenericCommandLineOptionTest { 43 private static final String DEFAULT_VALUE = "false"; 44 45 private TestUseRTMDeoptOptionOnUnsupportedConfig() { 46 super("UseRTMDeopt", true, false, 47 TestUseRTMDeoptOptionOnUnsupportedConfig.DEFAULT_VALUE, 48 "true"); 49 } 50 51 @Override 52 protected void runX86SupportedVMTestCases() throws Throwable { 53 super.verifyJVMStartup(); 54 // verify default value 55 CommandLineOptionTest.verifyOptionValueForSameVM(optionName, 56 defaultValue, String.format("'%s' should have '%s' " 57 + "default value on unsupported configs.", 58 optionName, DEFAULT_VALUE)); 59 // verify that until RTMLocking is not used, value 60 // will be set to default false. 61 CommandLineOptionTest.verifyOptionValueForSameVM(optionName, 62 defaultValue, String.format("'%s' should be off on unsupported" 63 + " configs even if '-XX:+%s' flag set", optionName, 64 optionName), 65 "-XX:+UseRTMDeopt"); 66 } 67 68 public static void main(String args[]) throws Throwable { 69 new TestUseRTMDeoptOptionOnUnsupportedConfig().runTestCases(); 70 } 71 }