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 /testlibrary/whitebox /compiler/testlibrary 31 * @build TestUseRTMForStackLocksOptionOnUnsupportedConfig 32 * @run main ClassFileInstaller sun.hotspot.WhiteBox 33 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions 34 * -XX:+WhiteBoxAPI 35 * TestUseRTMForStackLocksOptionOnUnsupportedConfig 36 */ 37 38 import com.oracle.java.testlibrary.ExitCode; 39 import com.oracle.java.testlibrary.cli.CommandLineOptionTest; 40 import com.oracle.java.testlibrary.cli.predicate.AndPredicate; 41 import com.oracle.java.testlibrary.cli.predicate.NotPredicate; 42 import rtm.predicate.SupportedCPU; 43 import rtm.predicate.SupportedVM; 44 45 public class TestUseRTMForStackLocksOptionOnUnsupportedConfig 46 extends RTMGenericCommandLineOptionTest { 47 private static final String DEFAULT_VALUE = "false"; 48 49 private TestUseRTMForStackLocksOptionOnUnsupportedConfig() { 50 super(new NotPredicate(new AndPredicate(new SupportedCPU(), 51 new SupportedVM())), 52 "UseRTMForStackLocks", true, true, 53 TestUseRTMForStackLocksOptionOnUnsupportedConfig.DEFAULT_VALUE, 54 "true"); 55 } 56 57 @Override 58 protected void runX86SupportedVMTestCases() throws Throwable { 59 // verify that option is experimental 60 CommandLineOptionTest.verifySameJVMStartup( 61 new String[]{ experimentalOptionError }, 62 null, ExitCode.FAIL, prepareOptionValue("true")); 63 64 CommandLineOptionTest.verifySameJVMStartup( 65 new String[]{ experimentalOptionError }, 66 null, ExitCode.FAIL, prepareOptionValue("false")); 67 68 // verify that if we turn it on, then VM output will contain 69 // warning saying that this option could be turned on only 70 // when we use rtm locking 71 CommandLineOptionTest.verifySameJVMStartup( 72 new String[]{ 73 RTMGenericCommandLineOptionTest.RTM_FOR_STACK_LOCKS_WARNING 74 }, 75 null, ExitCode.OK, 76 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS, 77 prepareOptionValue("true") 78 ); 79 // verify that options is turned off by default 80 CommandLineOptionTest.verifyOptionValueForSameVM(optionName, 81 TestUseRTMForStackLocksOptionOnUnsupportedConfig.DEFAULT_VALUE, 82 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS); 83 // verify that it could not be turned on without rtm locking 84 CommandLineOptionTest.verifyOptionValueForSameVM(optionName, 85 TestUseRTMForStackLocksOptionOnUnsupportedConfig.DEFAULT_VALUE, 86 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS, 87 prepareOptionValue("true")); 88 } 89 90 public static void main(String args[]) throws Throwable { 91 new TestUseRTMForStackLocksOptionOnUnsupportedConfig().test(); 92 } 93 }