1 /* 2 * Copyright (c) 2014, 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 /testlibrary /../../test/lib /compiler/testlibrary 31 * @build com.oracle.java.testlibrary.* TestUseRTMForStackLocksOptionOnUnsupportedConfig 32 * @run main ClassFileInstaller sun.hotspot.WhiteBox 33 * sun.hotspot.WhiteBox$WhiteBoxPermission 34 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions 35 * -XX:+WhiteBoxAPI 36 * TestUseRTMForStackLocksOptionOnUnsupportedConfig 37 */ 38 39 import com.oracle.java.testlibrary.ExitCode; 40 import com.oracle.java.testlibrary.cli.CommandLineOptionTest; 41 import com.oracle.java.testlibrary.cli.predicate.AndPredicate; 42 import com.oracle.java.testlibrary.cli.predicate.NotPredicate; 43 import rtm.predicate.SupportedCPU; 44 import rtm.predicate.SupportedVM; 45 46 public class TestUseRTMForStackLocksOptionOnUnsupportedConfig 47 extends RTMGenericCommandLineOptionTest { 48 private static final String DEFAULT_VALUE = "false"; 49 50 private TestUseRTMForStackLocksOptionOnUnsupportedConfig() { 51 super(new NotPredicate(new AndPredicate(new SupportedCPU(), 52 new SupportedVM())), 53 "UseRTMForStackLocks", true, true, 54 TestUseRTMForStackLocksOptionOnUnsupportedConfig.DEFAULT_VALUE, 55 "true"); 56 } 57 58 @Override 59 protected void runX86SupportedVMTestCases() throws Throwable { 60 String shouldFailMessage = String.format("VM option '%s' is " 61 + "experimental%nJVM startup should fail without " 62 + "-XX:+UnlockExperimentalVMOptions flag", optionName); 63 64 // verify that option is experimental 65 CommandLineOptionTest.verifySameJVMStartup( 66 new String[] { experimentalOptionError }, null, 67 shouldFailMessage, shouldFailMessage + "%nError message " 68 + "should be shown", ExitCode.FAIL, 69 prepareOptionValue("true")); 70 71 CommandLineOptionTest.verifySameJVMStartup( 72 new String[]{ experimentalOptionError }, null, 73 shouldFailMessage, shouldFailMessage + "%nError message " 74 + "should be shown", ExitCode.FAIL, 75 prepareOptionValue("false")); 76 77 String shouldPassMessage = String.format("VM option '%s' is " 78 + " experimental%nJVM startup should pass with " 79 + "-XX:+UnlockExperimentalVMOptions flag", optionName); 80 // verify that if we turn it on, then VM output will contain 81 // warning saying that this option could be turned on only 82 // when we use rtm locking 83 CommandLineOptionTest.verifySameJVMStartup( 84 new String[]{ 85 RTMGenericCommandLineOptionTest.RTM_FOR_STACK_LOCKS_WARNING 86 }, null, shouldPassMessage, "There should be warning when try " 87 + "to use rtm for stack lock, but not using rtm locking", 88 ExitCode.OK, 89 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS, 90 prepareOptionValue("true") 91 ); 92 // verify that options is turned off by default 93 CommandLineOptionTest.verifyOptionValueForSameVM(optionName, 94 TestUseRTMForStackLocksOptionOnUnsupportedConfig.DEFAULT_VALUE, 95 String.format("Default value of option '%s' should be '%s'", 96 optionName, DEFAULT_VALUE), 97 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS); 98 // verify that it could not be turned on without rtm locking 99 CommandLineOptionTest.verifyOptionValueForSameVM(optionName, 100 TestUseRTMForStackLocksOptionOnUnsupportedConfig.DEFAULT_VALUE, 101 String.format("Value of '%s' shouldn't able to be set to " 102 + "'true' without setting -XX:+UseRTMLocking flag", 103 optionName), 104 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS, 105 prepareOptionValue("true")); 106 } 107 108 public static void main(String args[]) throws Throwable { 109 new TestUseRTMForStackLocksOptionOnUnsupportedConfig().test(); 110 } 111 }