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 /** 26 * @test 27 * @bug 8031320 28 * @summary Verify UseRTMForStackLocks option processing on CPUs without 29 * rtm support and/or on VMs without rtm locking support. 30 * @library /test/lib / 31 * @modules java.base/jdk.internal.misc 32 * java.management 33 * 34 * @build sun.hotspot.WhiteBox 35 * @run driver ClassFileInstaller sun.hotspot.WhiteBox 36 * sun.hotspot.WhiteBox$WhiteBoxPermission 37 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions 38 * -XX:+WhiteBoxAPI 39 * compiler.rtm.cli.TestUseRTMForStackLocksOptionOnUnsupportedConfig 40 */ 41 42 package compiler.rtm.cli; 43 44 import compiler.testlibrary.rtm.predicate.SupportedCPU; 45 import compiler.testlibrary.rtm.predicate.SupportedOS; 46 import compiler.testlibrary.rtm.predicate.SupportedVM; 47 import jdk.test.lib.process.ExitCode; 48 import jdk.test.lib.cli.CommandLineOptionTest; 49 import jdk.test.lib.cli.predicate.AndPredicate; 50 import jdk.test.lib.cli.predicate.NotPredicate; 51 52 public class TestUseRTMForStackLocksOptionOnUnsupportedConfig 53 extends RTMGenericCommandLineOptionTest { 54 private static final String DEFAULT_VALUE = "false"; 55 56 private TestUseRTMForStackLocksOptionOnUnsupportedConfig() { 57 super(new NotPredicate( 58 new AndPredicate(new SupportedCPU(), new SupportedOS(), new SupportedVM())), 59 "UseRTMForStackLocks", true, true, 60 TestUseRTMForStackLocksOptionOnUnsupportedConfig.DEFAULT_VALUE, 61 "true"); 62 } 63 64 @Override 65 protected void runX86SupportedVMTestCases() throws Throwable { 66 String shouldFailMessage = String.format("VM option '%s' is " 67 + "experimental%nJVM startup should fail without " 68 + "-XX:+UnlockExperimentalVMOptions flag", optionName); 69 70 // verify that option is experimental 71 CommandLineOptionTest.verifySameJVMStartup( 72 new String[] { experimentalOptionError }, null, 73 shouldFailMessage, shouldFailMessage + "%nError message " 74 + "should be shown", ExitCode.FAIL, 75 prepareOptionValue("true")); 76 77 CommandLineOptionTest.verifySameJVMStartup( 78 new String[]{ experimentalOptionError }, null, 79 shouldFailMessage, shouldFailMessage + "%nError message " 80 + "should be shown", ExitCode.FAIL, 81 prepareOptionValue("false")); 82 83 String shouldPassMessage = String.format("VM option '%s' is " 84 + " experimental%nJVM startup should pass with " 85 + "-XX:+UnlockExperimentalVMOptions flag", optionName); 86 // verify that if we turn it on, then VM output will contain 87 // warning saying that this option could be turned on only 88 // when we use rtm locking 89 CommandLineOptionTest.verifySameJVMStartup( 90 new String[]{ 91 RTMGenericCommandLineOptionTest.RTM_FOR_STACK_LOCKS_WARNING 92 }, null, shouldPassMessage, "There should be warning when try " 93 + "to use rtm for stack lock, but not using rtm locking", 94 ExitCode.OK, 95 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS, 96 prepareOptionValue("true") 97 ); 98 // verify that options is turned off by default 99 CommandLineOptionTest.verifyOptionValueForSameVM(optionName, 100 TestUseRTMForStackLocksOptionOnUnsupportedConfig.DEFAULT_VALUE, 101 String.format("Default value of option '%s' should be '%s'", 102 optionName, DEFAULT_VALUE), 103 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS); 104 // verify that it could not be turned on without rtm locking 105 CommandLineOptionTest.verifyOptionValueForSameVM(optionName, 106 TestUseRTMForStackLocksOptionOnUnsupportedConfig.DEFAULT_VALUE, 107 String.format("Value of '%s' shouldn't able to be set to " 108 + "'true' without setting -XX:+UseRTMLocking flag", 109 optionName), 110 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS, 111 prepareOptionValue("true")); 112 } 113 114 public static void main(String args[]) throws Throwable { 115 new TestUseRTMForStackLocksOptionOnUnsupportedConfig().test(); 116 } 117 }