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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
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*
* This code is distributed in the hope that it will be useful, but WITHOUT
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* version 2 for more details (a copy is included in the LICENSE file that
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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/**
* @test
* @bug 8031320
* @summary Verify UseRTMLocking option processing on CPU with rtm support and
* on VM with rtm-locking support.
* @library /testlibrary /test/lib /compiler/testlibrary
* @modules java.base/jdk.internal.misc
* java.management
* @build TestUseRTMLockingOptionOnSupportedConfig
* @run main ClassFileInstaller sun.hotspot.WhiteBox
* sun.hotspot.WhiteBox$WhiteBoxPermission
* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
* -XX:+WhiteBoxAPI TestUseRTMLockingOptionOnSupportedConfig
*/
import jdk.test.lib.ExitCode;
import jdk.test.lib.cli.*;
import jdk.test.lib.cli.predicate.AndPredicate;
import rtm.predicate.SupportedCPU;
import rtm.predicate.SupportedVM;
public class TestUseRTMLockingOptionOnSupportedConfig
extends CommandLineOptionTest {
private static final String DEFAULT_VALUE = "false";
private TestUseRTMLockingOptionOnSupportedConfig() {
super(new AndPredicate(new SupportedVM(), new SupportedCPU()));
}
@Override
public void runTestCases() throws Throwable {
String unrecongnizedOption
= CommandLineOptionTest.getUnrecognizedOptionErrorMessage(
"UseRTMLocking");
String shouldPassMessage = "VM option 'UseRTMLocking' is experimental"
+ "%nJVM startup should pass with "
+ "-XX:+UnlockExperimentalVMOptions flag";
// verify that there are no warning or error in VM output
CommandLineOptionTest.verifySameJVMStartup(null,
new String[]{
RTMGenericCommandLineOptionTest.RTM_INSTR_ERROR,
unrecongnizedOption
}, shouldPassMessage, "There should not be any warning when use"
+ "with -XX:+UnlockExperimentalVMOptions", ExitCode.OK,
CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
"-XX:+UseRTMLocking"
);
CommandLineOptionTest.verifySameJVMStartup(null,
new String[]{
RTMGenericCommandLineOptionTest.RTM_INSTR_ERROR,
unrecongnizedOption
}, shouldPassMessage, "There should not be any warning when use"
+ "with -XX:+UnlockExperimentalVMOptions", ExitCode.OK,
CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
"-XX:-UseRTMLocking"
);
// verify that UseRTMLocking is of by default
CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMLocking",
TestUseRTMLockingOptionOnSupportedConfig.DEFAULT_VALUE,
String.format("Default value of option 'UseRTMLocking' should "
+ "be '%s'", DEFAULT_VALUE),
CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS);
// verify that we can change UseRTMLocking value
CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMLocking",
TestUseRTMLockingOptionOnSupportedConfig.DEFAULT_VALUE,
String.format("Default value of option 'UseRTMLocking' should "
+ "be '%s'", DEFAULT_VALUE),
CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
"-XX:-UseRTMLocking");
CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMLocking",
"true", "Value of 'UseRTMLocking' should be set "
+ "to 'true' if -XX:+UseRTMLocking flag set",
CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
"-XX:+UseRTMLocking");
}
public static void main(String args[]) throws Throwable {
new TestUseRTMLockingOptionOnSupportedConfig().test();
}
}