1/* 2 * Copyright (c) 2014, 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 26 * @bug 8031320 27 * @summary Verify UseRTMLocking option processing on CPU without 28 * rtm support. 29 * @library /test/lib / 30 * @modules java.base/jdk.internal.misc 31 * java.management 32 * @requires (!vm.rtm.cpu) & (vm.flavor == "server" & !vm.emulatedClient) 33 * @build sun.hotspot.WhiteBox 34 * @run driver ClassFileInstaller sun.hotspot.WhiteBox 35 * sun.hotspot.WhiteBox$WhiteBoxPermission 36 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions 37 * -XX:+WhiteBoxAPI 38 * compiler.rtm.cli.TestUseRTMLockingOptionOnUnsupportedCPU 39 */ 40 41package compiler.rtm.cli; 42 43import jdk.test.lib.process.ExitCode; 44import jdk.test.lib.Platform; 45import jdk.test.lib.cli.CommandLineOptionTest; 46 47public class TestUseRTMLockingOptionOnUnsupportedCPU { 48 private static final String DEFAULT_VALUE = "false"; 49 50 public void runTestCases() throws Throwable { 51 String unrecongnizedOption 52 = CommandLineOptionTest.getUnrecognizedOptionErrorMessage( 53 "UseRTMLocking"); 54 String errorMessage = RTMGenericCommandLineOptionTest.RTM_INSTR_ERROR; 55 56 if (Platform.isX86() || Platform.isX64() || Platform.isPPC()) { 57 String shouldFailMessage = "JVM startup should fail with option " 58 + "-XX:+UseRTMLocking on unsupported CPU"; 59 // verify that we get an error when use +UseRTMLocking 60 // on unsupported CPU 61 CommandLineOptionTest.verifySameJVMStartup( 62 new String[] { errorMessage }, 63 new String[] { unrecongnizedOption }, shouldFailMessage, 64 shouldFailMessage + ". Error message should be shown", 65 ExitCode.FAIL, "-XX:+UseRTMLocking"); 66 67 String shouldPassMessage = "JVM startup should pass with option " 68 + "-XX:-UseRTMLocking even on unsupported CPU"; 69 // verify that we can pass -UseRTMLocking without 70 // getting any error messages 71 CommandLineOptionTest.verifySameJVMStartup(null, new String[] { 72 errorMessage, unrecongnizedOption }, shouldPassMessage, 73 shouldPassMessage + " without any warnings", ExitCode.OK, 74 "-XX:-UseRTMLocking"); 75 76 // verify that UseRTMLocking is false by default 77 CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMLocking", 78 TestUseRTMLockingOptionOnUnsupportedCPU.DEFAULT_VALUE, 79 String.format("Default value of option 'UseRTMLocking' " 80 +"should be '%s'", DEFAULT_VALUE)); 81 } else { 82 String shouldFailMessage = "RTMLocking should be unrecognized" 83 + " on non-x86 CPUs. JVM startup should fail." 84 + "Error message should be shown"; 85 // verify that on non-x86 CPUs RTMLocking could not be used 86 CommandLineOptionTest.verifySameJVMStartup( 87 new String[] { unrecongnizedOption }, 88 null, shouldFailMessage, shouldFailMessage, 89 ExitCode.FAIL, "-XX:+UseRTMLocking"); 90 91 CommandLineOptionTest.verifySameJVMStartup( 92 new String[] { unrecongnizedOption }, 93 null, shouldFailMessage, shouldFailMessage, 94 ExitCode.FAIL, "-XX:-UseRTMLocking"); 95 } 96 } 97 98 public static void main(String args[]) throws Throwable { 99 new TestUseRTMLockingOptionOnUnsupportedCPU().runTestCases(); 100 } 101} 102