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 UseRTMDeopt option processing on CPUs with rtm support 29 * when rtm locking is supported by VM. 30 * @library /testlibrary /testlibrary/whitebox 31 * @build TestUseRTMDeoptOptionOnSupportedConfig 32 * @run main ClassFileInstaller sun.hotspot.WhiteBox 33 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions 34 * -XX:+WhiteBoxAPI TestUseRTMDeoptOptionOnSupportedConfig 35 */ 36 37 import com.oracle.java.testlibrary.ExitCode; 38 import com.oracle.java.testlibrary.cli.CommandLineOptionTest; 39 import com.oracle.java.testlibrary.cli.predicate.AndPredicate; 40 import rtm.predicate.SupportedCPU; 41 import rtm.predicate.SupportedVM; 42 43 public class TestUseRTMDeoptOptionOnSupportedConfig 44 extends CommandLineOptionTest { 45 private static final String DEFAULT_VALUE = "false"; 46 47 private TestUseRTMDeoptOptionOnSupportedConfig() { 48 super(new AndPredicate(new SupportedVM(), new SupportedCPU())); 49 } 50 51 @Override 52 public void runTestCases() throws Throwable { 53 // verify that option could be turned on 54 CommandLineOptionTest.verifySameJVMStartup( 55 null, null, ExitCode.OK, "-XX:+UseRTMDeopt"); 56 // verify that option could be turned off 57 CommandLineOptionTest.verifySameJVMStartup( 58 null, null, ExitCode.OK, "-XX:-UseRTMDeopt"); 59 // verify default value 60 CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMDeopt", 61 TestUseRTMDeoptOptionOnSupportedConfig.DEFAULT_VALUE); 62 // verify default value 63 CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMDeopt", 64 TestUseRTMDeoptOptionOnSupportedConfig.DEFAULT_VALUE, 65 "-XX:+UseRTMLocking"); 66 // verify that option is off when UseRTMLocking is off 67 CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMDeopt", 68 "false", "-XX:-UseRTMLocking", "-XX:+UseRTMDeopt"); 69 // verify that option could be turned on 70 CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMDeopt", 71 "true", "-XX:+UseRTMLocking", "-XX:+UseRTMDeopt"); 72 } 73 74 public static void main(String args[]) throws Throwable { 75 new TestUseRTMDeoptOptionOnSupportedConfig().test(); 76 } 77 }