121 lines
5.5 KiB
Java
121 lines
5.5 KiB
Java
/*
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* Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import com.oracle.java.testlibrary.ExitCode;
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import com.oracle.java.testlibrary.Utils;
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import com.oracle.java.testlibrary.cli.CommandLineOptionTest;
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import java.util.Collections;
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import java.util.LinkedList;
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import java.util.List;
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/**
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* @test
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* @bug 8031323
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* @summary Verify SurvivorAlignmentInBytes option processing.
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* @library /testlibrary
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* @run main TestSurvivorAlignmentInBytesOption
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*/
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public class TestSurvivorAlignmentInBytesOption {
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private static final String[] FILTERED_VM_OPTIONS
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= Utils.getFilteredTestJavaOpts(
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"UnlockExperimentalVMOptions",
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"SurvivorAlignmentInBytes",
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"ObjectAlignmentInBytes");
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public static void main(String args[]) throws Throwable {
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String optionName = "SurvivorAlignmentInBytes";
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String optionIsExperimental
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= CommandLineOptionTest.getExperimentalOptionErrorMessage(
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optionName);
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String valueIsTooSmall= ".*SurvivorAlignmentInBytes=.*must be greater"
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+ " than ObjectAlignmentInBytes.*";
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String mustBePowerOf2 = ".*SurvivorAlignmentInBytes=.*must be "
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+ "power of 2.*";
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// Verify that without -XX:+UnlockExperimentalVMOptions usage of
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// SurvivorAlignmentInBytes option will cause JVM startup failure
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// with the warning message saying that that option is experimental.
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CommandLineOptionTest.verifyJVMStartup(
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new String[]{optionIsExperimental}, null, ExitCode.FAIL, false,
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TestSurvivorAlignmentInBytesOption.prepareOptions(
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"-XX:-UnlockExperimentalVMOptions",
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CommandLineOptionTest.prepareNumericFlag(
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optionName, 64)));
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// Verify that with -XX:+UnlockExperimentalVMOptions passed to JVM
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// usage of SurvivorAlignmentInBytes option won't cause JVM startup
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// failure.
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CommandLineOptionTest.verifyJVMStartup(
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null, new String[]{optionIsExperimental}, ExitCode.OK, false,
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TestSurvivorAlignmentInBytesOption.prepareOptions(
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CommandLineOptionTest.prepareNumericFlag(
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optionName, 64)));
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// Verify that if specified SurvivorAlignmentInBytes is lower then
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// ObjectAlignmentInBytes, then the JVM startup will fail with
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// appropriate error message.
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CommandLineOptionTest.verifyJVMStartup(
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new String[]{valueIsTooSmall}, null, ExitCode.FAIL, false,
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TestSurvivorAlignmentInBytesOption.prepareOptions(
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CommandLineOptionTest.prepareNumericFlag(
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optionName, 2)));
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// Verify that if specified SurvivorAlignmentInBytes value is not
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// a power of 2 then the JVM startup will fail with appropriate error
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// message.
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CommandLineOptionTest.verifyJVMStartup(
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new String[]{mustBePowerOf2}, null, ExitCode.FAIL, false,
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TestSurvivorAlignmentInBytesOption.prepareOptions(
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CommandLineOptionTest.prepareNumericFlag(
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optionName, 127)));
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// Verify that if SurvivorAlignmentInBytes has correct value, then
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// the JVM will be started without errors.
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CommandLineOptionTest.verifyJVMStartup(
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null, new String[]{".*SurvivorAlignmentInBytes.*"},
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ExitCode.OK, false,
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TestSurvivorAlignmentInBytesOption.prepareOptions(
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CommandLineOptionTest.prepareNumericFlag(
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optionName, 128)));
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// Verify that we can setup different SurvivorAlignmentInBytes values.
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for (int alignment = 32; alignment <= 128; alignment *= 2) {
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CommandLineOptionTest.verifyOptionValue(optionName,
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Integer.toString(alignment), false,
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TestSurvivorAlignmentInBytesOption.prepareOptions(
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CommandLineOptionTest.prepareNumericFlag(
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optionName, alignment)));
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}
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}
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private static String[] prepareOptions(String... options) {
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List<String> finalOptions = new LinkedList<>();
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Collections.addAll(finalOptions,
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TestSurvivorAlignmentInBytesOption.FILTERED_VM_OPTIONS);
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finalOptions.add(CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS);
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Collections.addAll(finalOptions, options);
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return finalOptions.toArray(new String[finalOptions.size()]);
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}
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}
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