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/*
* Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*
*/
/**
* @test
* @bug 8031320
* @summary Verify UseRTMForStackLocks option processing on CPU with
* rtm support when VM supports rtm locking.
* @library /testlibrary /testlibrary/whitebox /compiler/testlibrary
* @build TestUseRTMForStackLocksOptionOnSupportedConfig
* @run main ClassFileInstaller sun.hotspot.WhiteBox
* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
* -XX:+WhiteBoxAPI
* TestUseRTMForStackLocksOptionOnSupportedConfig
*/
import com.oracle.java.testlibrary.*;
import com.oracle.java.testlibrary.cli.*;
import com.oracle.java.testlibrary.cli.predicate.AndPredicate;
import rtm.predicate.SupportedCPU;
import rtm.predicate.SupportedVM;
public class TestUseRTMForStackLocksOptionOnSupportedConfig
extends CommandLineOptionTest {
private static final String DEFAULT_VALUE = "false";
private TestUseRTMForStackLocksOptionOnSupportedConfig() {
super(new AndPredicate(new SupportedVM(), new SupportedCPU()));
}
@Override
public void runTestCases() throws Throwable {
String errorMessage
= CommandLineOptionTest.getExperimentalOptionErrorMessage(
"UseRTMForStackLocks");
String warningMessage
= RTMGenericCommandLineOptionTest.RTM_FOR_STACK_LOCKS_WARNING;
CommandLineOptionTest.verifySameJVMStartup(
new String[] { errorMessage }, null, ExitCode.FAIL,
"-XX:+UseRTMForStackLocks");
// verify that we get a warning when trying to use rtm for stack
// lock, but not using rtm locking.
CommandLineOptionTest.verifySameJVMStartup(
new String[] { warningMessage }, null, ExitCode.OK,
CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
"-XX:+UseRTMForStackLocks",
"-XX:-UseRTMLocking");
// verify that we don't get a warning when no using rtm for stack
// lock and not using rtm locking.
CommandLineOptionTest.verifySameJVMStartup(null,
new String[] { warningMessage }, ExitCode.OK,
CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
"-XX:-UseRTMForStackLocks",
"-XX:-UseRTMLocking");
// verify that we don't get a warning when using rtm for stack
// lock and using rtm locking.
CommandLineOptionTest.verifySameJVMStartup(null,
new String[] { warningMessage }, ExitCode.OK,
CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
"-XX:+UseRTMForStackLocks",
"-XX:+UseRTMLocking");
// verify that default value if false
CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMForStackLocks",
TestUseRTMForStackLocksOptionOnSupportedConfig.DEFAULT_VALUE,
CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS);
// verify that default value is false even with +UseRTMLocking
CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMForStackLocks",
TestUseRTMForStackLocksOptionOnSupportedConfig.DEFAULT_VALUE,
CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
"-XX:+UseRTMLocking");
// verify that we can turn the option on
CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMForStackLocks",
"true", CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
"-XX:+UseRTMLocking", "-XX:+UseRTMForStackLocks");
}
public static void main(String args[]) throws Throwable {
new TestUseRTMForStackLocksOptionOnSupportedConfig().test();
}
}
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