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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.
*/
package compiler.arguments;
import jdk.test.lib.process.ExitCode;
import jdk.test.lib.Platform;
import jdk.test.lib.cli.CommandLineOptionTest;
/**
* Test on bit manipulation related command line options,
* that should be executed on CPU that does not support
* required features.
*
* Note that this test intended to verify that VM could be launched with
* specific options and that values of these options processed correctly.
* In order to do that test launch a new VM with tested options, the same
* flavor-specific flag as one that was used for parent VM (-client, -server,
* -minimal, -graal) and '-version'.
*/
public class BMIUnsupportedCPUTest extends BMICommandLineOptionTestBase {
/**
* Construct new test on {@code optionName} option.
*
* @param optionName Name of the option to be tested
* without -XX:[+-] prefix.
* @param warningMessage Message that can occur in VM output
* if CPU on test box does not support
* features required by the option.
* @param cpuFeatures CPU features requires by the option.
*/
public BMIUnsupportedCPUTest(String optionName,
String warningMessage,
String... cpuFeatures) {
super(optionName, warningMessage, null, cpuFeatures);
}
@Override
public void runTestCases() throws Throwable {
if (Platform.isX86() || Platform.isX64()) {
unsupportedX86CPUTestCases();
} else {
unsupportedNonX86CPUTestCases();
}
}
/**
* Run test cases common for all bit manipulation related VM options
* targeted to X86 CPU that does not support required features.
*
* @throws Throwable if test failed.
*/
public void unsupportedX86CPUTestCases() throws Throwable {
/*
Verify that VM will successfully start up, but output will contain a
warning. VM will be launched with following options:
-XX:+<tested option> -version
*/
String errorString = String.format("JVM should start with '-XX:+%s' "
+ "flag, but output should contain warning.", optionName);
CommandLineOptionTest.verifySameJVMStartup(
new String[] { warningMessage }, new String[] { errorMessage },
errorString, String.format("Option '%s' is unsupported.%n"
+ "Warning expected to be shown.", optionName), ExitCode.OK,
CommandLineOptionTest.prepareBooleanFlag(
optionName, true));
/*
Verify that VM will successfully startup without any warnings.
VM will be launched with following options:
-XX:-<tested option> -version
*/
errorString = String.format("JVM should start with '-XX:-%s' flag "
+ "without any warnings", optionName);
CommandLineOptionTest.verifySameJVMStartup(null,
new String[] { warningMessage, errorMessage },
errorString, errorString, ExitCode.OK,
CommandLineOptionTest.prepareBooleanFlag(optionName, false));
/*
* Verify that on unsupported CPUs option is off by default. VM will be
* launched with following options: -version
*/
CommandLineOptionTest.verifyOptionValueForSameVM(optionName, "false",
String.format("Option '%s' is expected to have default value "
+ "'false' since feature required is not supported "
+ "on CPU", optionName));
/*
Verify that on unsupported CPUs option will be off even if
it was explicitly turned on by user. VM will be launched with
following options: -XX:+<tested option> -version
*/
CommandLineOptionTest.verifyOptionValueForSameVM(optionName, "false",
String.format("Option '%s' is expected to have default value"
+ " 'false' since feature required is not supported on"
+ " CPU even if user set another value.", optionName),
CommandLineOptionTest.prepareBooleanFlag(optionName, true));
}
/**
* Run test cases common for all bit manipulation related VM options
* targeted to non-X86 CPU that does not support required features.
*
* @throws Throwable if test failed.
*/
public void unsupportedNonX86CPUTestCases() throws Throwable {
/*
Verify that VM known nothing about tested option. VM will be launched
with following options: -XX:[+-]<tested option> -version
*/
CommandLineOptionTest.verifySameJVMStartup(
new String[] { errorMessage }, null,
String.format("JVM startup should fail with '-XX:+%s' flag."
+ "%nOption should be unknown (non-X86CPU).",
optionName), "", ExitCode.FAIL,
CommandLineOptionTest.prepareBooleanFlag(optionName, true));
CommandLineOptionTest.verifySameJVMStartup(
new String[] { errorMessage }, null,
String.format("JVM startup should fail with '-XX:-%s' flag."
+ "%nOption should be unknown (non-X86CPU)",
optionName), "", ExitCode.FAIL,
CommandLineOptionTest.prepareBooleanFlag(optionName, false));
}
}
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