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/*
* Copyright (c) 2014, 2016, 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 UseRTMLocking option processing on CPU without
* rtm support.
* @library /test/lib /
* @modules java.base/jdk.internal.misc
* java.management
* @requires (!vm.rtm.cpu) & (vm.flavor == "server" & !vm.emulatedClient)
* @build sun.hotspot.WhiteBox
* @run driver ClassFileInstaller sun.hotspot.WhiteBox
* sun.hotspot.WhiteBox$WhiteBoxPermission
* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
* -XX:+WhiteBoxAPI
* compiler.rtm.cli.TestUseRTMLockingOptionOnUnsupportedCPU
*/
package compiler.rtm.cli;
import jdk.test.lib.process.ExitCode;
import jdk.test.lib.Platform;
import jdk.test.lib.cli.CommandLineOptionTest;
public class TestUseRTMLockingOptionOnUnsupportedCPU {
private static final String DEFAULT_VALUE = "false";
public void runTestCases() throws Throwable {
String unrecognizedOption
= CommandLineOptionTest.getUnrecognizedOptionErrorMessage(
"UseRTMLocking");
String errorMessage = RTMGenericCommandLineOptionTest.RTM_INSTR_ERROR;
if (Platform.isX86() || Platform.isX64() || Platform.isPPC()) {
String shouldFailMessage = "JVM startup should fail with option " +
"-XX:+UseRTMLocking on unsupported CPU";
try {
// verify that we get an error when use +UseRTMLocking
// on unsupported CPU
CommandLineOptionTest.verifySameJVMStartup(
new String[] { errorMessage },
new String[] { unrecognizedOption }, shouldFailMessage,
shouldFailMessage + ". Error message should be shown.",
ExitCode.FAIL, "-XX:+UseRTMLocking");
} catch (Throwable e) {
// verify that we get an error when use +UseRTMLocking
// on unsupported OS. It might be the case that although CPU
// supports RTM the OS version does not support RTM
if (Platform.isPPC()) {
String errorMessage2 = RTMGenericCommandLineOptionTest.RTM_OS_ERROR;
String shouldFailMessage2 = "JVM startup should fail with option " +
"-XX:+UseRTMLocking on unsupported CPU or " +
"OS version";
CommandLineOptionTest.verifySameJVMStartup(
new String[] { errorMessage2 },
new String[] { unrecognizedOption}, shouldFailMessage2,
shouldFailMessage2 + ". Error message should be shown.",
ExitCode.FAIL, "-XX:+UseRTMLocking");
} else {
throw e; // checking unsupported OS error is not necessary
}
}
String shouldPassMessage = "JVM startup should pass with option "
+ "-XX:-UseRTMLocking even on unsupported CPU";
// verify that we can pass -UseRTMLocking without
// getting any error messages
CommandLineOptionTest.verifySameJVMStartup(null, new String[] {
errorMessage, unrecognizedOption }, shouldPassMessage,
shouldPassMessage + " without any warnings", ExitCode.OK,
"-XX:-UseRTMLocking");
// verify that UseRTMLocking is false by default
CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMLocking",
TestUseRTMLockingOptionOnUnsupportedCPU.DEFAULT_VALUE,
String.format("Default value of option 'UseRTMLocking' "
+"should be '%s'", DEFAULT_VALUE));
} else {
String shouldFailMessage = "RTMLocking should be unrecognized"
+ " on non-x86 CPUs. JVM startup should fail."
+ "Error message should be shown";
// verify that on non-x86 CPUs RTMLocking could not be used
CommandLineOptionTest.verifySameJVMStartup(
new String[] { unrecognizedOption },
null, shouldFailMessage, shouldFailMessage,
ExitCode.FAIL, "-XX:+UseRTMLocking");
CommandLineOptionTest.verifySameJVMStartup(
new String[] { unrecognizedOption },
null, shouldFailMessage, shouldFailMessage,
ExitCode.FAIL, "-XX:-UseRTMLocking");
}
}
public static void main(String args[]) throws Throwable {
new TestUseRTMLockingOptionOnUnsupportedCPU().runTestCases();
}
}
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