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 * 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 // verify that option is experimental 61 CommandLineOptionTest.verifySameJVMStartup( 62 new String[]{ experimentalOptionError }, 63 null, ExitCode.FAIL, prepareOptionValue("true")); 64 65 CommandLineOptionTest.verifySameJVMStartup( 66 new String[]{ experimentalOptionError }, 67 null, ExitCode.FAIL, prepareOptionValue("false")); 68 69 // verify that if we turn it on, then VM output will contain 70 // warning saying that this option could be turned on only 71 // when we use rtm locking 72 CommandLineOptionTest.verifySameJVMStartup( 73 new String[]{ 74 RTMGenericCommandLineOptionTest.RTM_FOR_STACK_LOCKS_WARNING 75 }, 76 null, ExitCode.OK, 77 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS, 78 prepareOptionValue("true") 79 ); 80 // verify that options is turned off by default 81 CommandLineOptionTest.verifyOptionValueForSameVM(optionName, 82 TestUseRTMForStackLocksOptionOnUnsupportedConfig.DEFAULT_VALUE, 83 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS); 84 // verify that it could not be turned on without rtm locking 85 CommandLineOptionTest.verifyOptionValueForSameVM(optionName, 86 TestUseRTMForStackLocksOptionOnUnsupportedConfig.DEFAULT_VALUE, 87 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS, 88 prepareOptionValue("true")); 89 } 90 91 public static void main(String args[]) throws Throwable { 92 new TestUseRTMForStackLocksOptionOnUnsupportedConfig().test(); 93 } 94 }