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 processing of UseRTMLocking and UseBiasedLocking 29 * options combination on CPU and VM with rtm support. 30 * @library /testlibrary /testlibrary/whitebox /compiler/testlibrary 31 * @build TestUseRTMLockingOptionWithBiasedLocking 32 * @run main ClassFileInstaller sun.hotspot.WhiteBox 33 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions 34 * -XX:+WhiteBoxAPI TestUseRTMLockingOptionWithBiasedLocking 35 */ 36 37 import com.oracle.java.testlibrary.*; 38 import com.oracle.java.testlibrary.cli.*; 39 import com.oracle.java.testlibrary.cli.predicate.AndPredicate; 40 import rtm.predicate.SupportedCPU; 41 import rtm.predicate.SupportedVM; 42 43 public class TestUseRTMLockingOptionWithBiasedLocking 44 extends CommandLineOptionTest { 45 private TestUseRTMLockingOptionWithBiasedLocking() { 46 super(new AndPredicate(new SupportedCPU(), new SupportedVM())); 47 } 48 49 @Override 50 public void runTestCases() throws Throwable { 51 String warningMessage 52 = RTMGenericCommandLineOptionTest.RTM_BIASED_LOCKING_WARNING; 53 // verify that we will not get a warning 54 CommandLineOptionTest.verifySameJVMStartup(null, 55 new String[] { warningMessage }, ExitCode.OK, 56 "-XX:+UseRTMLocking", "-XX:-UseBiasedLocking"); 57 // verify that we will get a warning 58 CommandLineOptionTest.verifySameJVMStartup( 59 new String[] { warningMessage }, null, ExitCode.OK, 60 "-XX:+UseRTMLocking", "-XX:+UseBiasedLocking"); 61 // verify that UseBiasedLocking is false when we use rtm locking 62 CommandLineOptionTest.verifyOptionValueForSameVM("UseBiasedLocking", 63 "false", "-XX:+UseRTMLocking"); 64 // verify that we can't turn on biased locking when 65 // using rtm locking 66 CommandLineOptionTest.verifyOptionValueForSameVM("UseBiasedLocking", 67 "false", "-XX:+UseRTMLocking", "-XX:+UseBiasedLocking"); 68 } 69 70 public static void main(String args[]) throws Throwable { 71 new TestUseRTMLockingOptionWithBiasedLocking().test(); 72 } 73 }