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 UseRTMForStackLocks option processing on CPUs without 28 * rtm support and/or on VMs without rtm locking support. 29 * @library /test/lib / 30 * @modules java.base/jdk.internal.misc 31 * java.management 32 * 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.TestUseRTMForStackLocksOptionOnUnsupportedConfig 39 */ 40 41 package compiler.rtm.cli; 42 43 import compiler.testlibrary.rtm.predicate.SupportedCPU; 44 import compiler.testlibrary.rtm.predicate.SupportedOS; 45 import compiler.testlibrary.rtm.predicate.SupportedVM; 46 import jdk.test.lib.process.ExitCode; 47 import jdk.test.lib.cli.CommandLineOptionTest; 48 import jdk.test.lib.cli.predicate.AndPredicate; 49 import jdk.test.lib.cli.predicate.NotPredicate; 50 51 public class TestUseRTMForStackLocksOptionOnUnsupportedConfig 52 extends RTMGenericCommandLineOptionTest { 53 private static final String DEFAULT_VALUE = "false"; 54 55 private TestUseRTMForStackLocksOptionOnUnsupportedConfig() { 56 super(new NotPredicate( 57 new AndPredicate(new SupportedCPU(), new SupportedOS(), new SupportedVM())), 58 "UseRTMForStackLocks", true, true, 59 TestUseRTMForStackLocksOptionOnUnsupportedConfig.DEFAULT_VALUE, 60 "true"); 61 } 62 63 @Override 64 protected void runX86SupportedVMTestCases() throws Throwable { 65 String shouldFailMessage = String.format("VM option '%s' is " 66 + "experimental%nJVM startup should fail without " 67 + "-XX:+UnlockExperimentalVMOptions flag", optionName); 68 69 // verify that option is experimental 70 CommandLineOptionTest.verifySameJVMStartup( 71 new String[] { experimentalOptionError }, null, 72 shouldFailMessage, shouldFailMessage + "%nError message " 73 + "should be shown", ExitCode.FAIL, 74 prepareOptionValue("true")); 75 76 CommandLineOptionTest.verifySameJVMStartup( 77 new String[]{ experimentalOptionError }, null, 78 shouldFailMessage, shouldFailMessage + "%nError message " 79 + "should be shown", ExitCode.FAIL, 80 prepareOptionValue("false")); 81 82 String shouldPassMessage = String.format("VM option '%s' is " 83 + " experimental%nJVM startup should pass with " 84 + "-XX:+UnlockExperimentalVMOptions flag", optionName); 85 // verify that if we turn it on, then VM output will contain 86 // warning saying that this option could be turned on only 87 // when we use rtm locking 88 CommandLineOptionTest.verifySameJVMStartup( 89 new String[]{ 90 RTMGenericCommandLineOptionTest.RTM_FOR_STACK_LOCKS_WARNING 91 }, null, shouldPassMessage, "There should be warning when try " 92 + "to use rtm for stack lock, but not using rtm locking", 93 ExitCode.OK, 94 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS, 95 prepareOptionValue("true") 96 ); 97 // verify that options is turned off by default 98 CommandLineOptionTest.verifyOptionValueForSameVM(optionName, 99 TestUseRTMForStackLocksOptionOnUnsupportedConfig.DEFAULT_VALUE, 100 String.format("Default value of option '%s' should be '%s'", 101 optionName, DEFAULT_VALUE), 102 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS); 103 // verify that it could not be turned on without rtm locking 104 CommandLineOptionTest.verifyOptionValueForSameVM(optionName, 105 TestUseRTMForStackLocksOptionOnUnsupportedConfig.DEFAULT_VALUE, 106 String.format("Value of '%s' shouldn't able to be set to " 107 + "'true' without setting -XX:+UseRTMLocking flag", 108 optionName), 109 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS, 110 prepareOptionValue("true")); 111 } 112 113 public static void main(String args[]) throws Throwable { 114 new TestUseRTMForStackLocksOptionOnUnsupportedConfig().test(); 115 } 116 }