137 lines
6.8 KiB
Java
137 lines
6.8 KiB
Java
/*
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* Copyright (c) 2014, 2016, 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 jdk.test.lib.process.ExitCode;
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import jdk.test.lib.cli.CommandLineOptionTest;
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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 /test/lib
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* @requires vm.opt.SurvivorAlignmentInBytes == null
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* & vm.opt.ObjectAlignmentInBytes == null
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* & vm.opt.UnlockExperimentalVMOptions == null
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* & (vm.opt.IgnoreUnrecognizedVMOptions == null
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* | vm.opt.IgnoreUnrecognizedVMOptions == "false")
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* @modules java.base/jdk.internal.misc
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* java.management
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* @run main TestSurvivorAlignmentInBytesOption
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*/
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public class TestSurvivorAlignmentInBytesOption {
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public static void main(String args[]) throws Throwable {
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String optionName = "SurvivorAlignmentInBytes";
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String unlockExperimentalVMOpts = "UnlockExperimentalVMOptions";
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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 or equal to 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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String shouldFailMessage = String.format("JVM option '%s' is "
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+ "experimental.%nJVM startup should fail without "
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+ "-XX:+UnlockExperimentalVMOptions option", optionName);
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CommandLineOptionTest.verifyJVMStartup(
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new String[]{optionIsExperimental}, null,
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shouldFailMessage, shouldFailMessage,
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ExitCode.FAIL, false,
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"-XX:-UnlockExperimentalVMOptions",
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CommandLineOptionTest.prepareBooleanFlag(
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unlockExperimentalVMOpts, false),
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CommandLineOptionTest.prepareNumericFlag(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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String shouldPassMessage = String.format("JVM option '%s' is "
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+ "experimental.%nJVM startup should pass with "
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+ "-XX:+UnlockExperimentalVMOptions option", optionName);
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String noWarningMessage = "There should be no warnings when use "
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+ "with -XX:+UnlockExperimentalVMOptions option";
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CommandLineOptionTest.verifyJVMStartup(
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null, new String[]{optionIsExperimental},
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shouldPassMessage, noWarningMessage,
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ExitCode.OK, false,
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CommandLineOptionTest.prepareBooleanFlag(
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unlockExperimentalVMOpts, true),
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CommandLineOptionTest.prepareNumericFlag(optionName, 64));
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// Verify that if specified SurvivorAlignmentInBytes is lower than
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// ObjectAlignmentInBytes, then the JVM startup will fail with
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// appropriate error message.
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shouldFailMessage = String.format("JVM startup should fail with "
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+ "'%s' option value lower than ObjectAlignmentInBytes", optionName);
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CommandLineOptionTest.verifyJVMStartup(
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new String[]{valueIsTooSmall}, null,
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shouldFailMessage, shouldFailMessage,
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ExitCode.FAIL, false,
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CommandLineOptionTest.prepareBooleanFlag(
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unlockExperimentalVMOpts, true),
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CommandLineOptionTest.prepareNumericFlag(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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shouldFailMessage = String.format("JVM startup should fail with "
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+ "'%s' option value is not a power of 2", optionName);
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CommandLineOptionTest.verifyJVMStartup(
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new String[]{mustBePowerOf2}, null,
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shouldFailMessage, shouldFailMessage,
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ExitCode.FAIL, false,
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CommandLineOptionTest.prepareBooleanFlag(
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unlockExperimentalVMOpts, true),
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CommandLineOptionTest.prepareNumericFlag(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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shouldPassMessage = String.format("JVM startup should pass with "
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+ "correct '%s' option value", optionName);
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noWarningMessage = String.format("There should be no warnings when use "
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+ "correct '%s' option value", optionName);
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CommandLineOptionTest.verifyJVMStartup(
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null, new String[]{".*SurvivorAlignmentInBytes.*"},
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shouldPassMessage, noWarningMessage,
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ExitCode.OK, false,
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CommandLineOptionTest.prepareBooleanFlag(
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unlockExperimentalVMOpts, true),
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CommandLineOptionTest.prepareNumericFlag(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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shouldPassMessage = String.format("JVM startup should pass with "
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+ "'%s' = %d", optionName, alignment);
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CommandLineOptionTest.verifyOptionValue(optionName,
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Integer.toString(alignment), shouldPassMessage,
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CommandLineOptionTest.prepareBooleanFlag(
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unlockExperimentalVMOpts, true),
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CommandLineOptionTest.prepareNumericFlag(
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optionName, alignment));
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}
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}
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}
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