| /* |
| * Copyright (c) 2014, 2016, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| /** |
| * @test |
| * @bug 8031320 |
| * @summary Verify UseRTMForStackLocks option processing on CPUs without |
| * rtm support and/or on VMs without rtm locking support. |
| * @library /test/lib / |
| * @modules java.base/jdk.internal.misc |
| * java.management |
| * |
| * @build sun.hotspot.WhiteBox |
| * @run driver ClassFileInstaller sun.hotspot.WhiteBox |
| * sun.hotspot.WhiteBox$WhiteBoxPermission |
| * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions |
| * -XX:+WhiteBoxAPI |
| * compiler.rtm.cli.TestUseRTMForStackLocksOptionOnUnsupportedConfig |
| */ |
| |
| package compiler.rtm.cli; |
| |
| import compiler.testlibrary.rtm.predicate.SupportedCPU; |
| import compiler.testlibrary.rtm.predicate.SupportedVM; |
| import jdk.test.lib.process.ExitCode; |
| import jdk.test.lib.cli.CommandLineOptionTest; |
| import jdk.test.lib.cli.predicate.AndPredicate; |
| import jdk.test.lib.cli.predicate.NotPredicate; |
| |
| public class TestUseRTMForStackLocksOptionOnUnsupportedConfig |
| extends RTMGenericCommandLineOptionTest { |
| private static final String DEFAULT_VALUE = "false"; |
| |
| private TestUseRTMForStackLocksOptionOnUnsupportedConfig() { |
| super(new NotPredicate(new AndPredicate(new SupportedCPU(), |
| new SupportedVM())), |
| "UseRTMForStackLocks", true, true, |
| TestUseRTMForStackLocksOptionOnUnsupportedConfig.DEFAULT_VALUE, |
| "true"); |
| } |
| |
| @Override |
| protected void runX86SupportedVMTestCases() throws Throwable { |
| String shouldFailMessage = String.format("VM option '%s' is " |
| + "experimental%nJVM startup should fail without " |
| + "-XX:+UnlockExperimentalVMOptions flag", optionName); |
| |
| // verify that option is experimental |
| CommandLineOptionTest.verifySameJVMStartup( |
| new String[] { experimentalOptionError }, null, |
| shouldFailMessage, shouldFailMessage + "%nError message " |
| + "should be shown", ExitCode.FAIL, |
| prepareOptionValue("true")); |
| |
| CommandLineOptionTest.verifySameJVMStartup( |
| new String[]{ experimentalOptionError }, null, |
| shouldFailMessage, shouldFailMessage + "%nError message " |
| + "should be shown", ExitCode.FAIL, |
| prepareOptionValue("false")); |
| |
| String shouldPassMessage = String.format("VM option '%s' is " |
| + " experimental%nJVM startup should pass with " |
| + "-XX:+UnlockExperimentalVMOptions flag", optionName); |
| // verify that if we turn it on, then VM output will contain |
| // warning saying that this option could be turned on only |
| // when we use rtm locking |
| CommandLineOptionTest.verifySameJVMStartup( |
| new String[]{ |
| RTMGenericCommandLineOptionTest.RTM_FOR_STACK_LOCKS_WARNING |
| }, null, shouldPassMessage, "There should be warning when try " |
| + "to use rtm for stack lock, but not using rtm locking", |
| ExitCode.OK, |
| CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS, |
| prepareOptionValue("true") |
| ); |
| // verify that options is turned off by default |
| CommandLineOptionTest.verifyOptionValueForSameVM(optionName, |
| TestUseRTMForStackLocksOptionOnUnsupportedConfig.DEFAULT_VALUE, |
| String.format("Default value of option '%s' should be '%s'", |
| optionName, DEFAULT_VALUE), |
| CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS); |
| // verify that it could not be turned on without rtm locking |
| CommandLineOptionTest.verifyOptionValueForSameVM(optionName, |
| TestUseRTMForStackLocksOptionOnUnsupportedConfig.DEFAULT_VALUE, |
| String.format("Value of '%s' shouldn't able to be set to " |
| + "'true' without setting -XX:+UseRTMLocking flag", |
| optionName), |
| CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS, |
| prepareOptionValue("true")); |
| } |
| |
| public static void main(String args[]) throws Throwable { |
| new TestUseRTMForStackLocksOptionOnUnsupportedConfig().test(); |
| } |
| } |