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/*
* Copyright (c) 2014, 2018, 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 CommandLineFlagCombo
* @requires vm.cds
* @requires (vm.gc=="null")
* @summary Test command line flag combinations that
* could likely affect the behaviour of AppCDS
* @library /test/lib
* @modules java.base/jdk.internal.misc
* java.management
* jdk.jartool/sun.tools.jar
* @build sun.hotspot.WhiteBox
* @run driver ClassFileInstaller sun.hotspot.WhiteBox sun.hotspot.WhiteBox$WhiteBoxPermission
* @compile test-classes/Hello.java
* @run main/othervm/timeout=240 -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:. CommandLineFlagCombo
*/
import jdk.test.lib.BuildHelper;
import jdk.test.lib.Platform;
import jdk.test.lib.process.OutputAnalyzer;
import sun.hotspot.code.Compiler;
public class CommandLineFlagCombo {
// shared base address test table
private static final String[] testTable = {
"-XX:+UseG1GC", "-XX:+UseSerialGC", "-XX:+UseParallelGC", "-XX:+UseConcMarkSweepGC",
"-XX:+FlightRecorder",
"-XX:+UseLargePages", // may only take effect on machines with large-pages
"-XX:+UseCompressedClassPointers",
"-XX:+UseCompressedOops",
"-XX:ObjectAlignmentInBytes=16",
"-XX:ObjectAlignmentInBytes=32",
"-XX:ObjectAlignmentInBytes=64"
};
public static void main(String[] args) throws Exception {
String appJar = JarBuilder.getOrCreateHelloJar();
String classList[] = {"Hello"};
for (String testEntry : testTable) {
System.out.println("CommandLineFlagCombo = " + testEntry);
if (skipTestCase(testEntry))
continue;
OutputAnalyzer dumpOutput = TestCommon.dump(appJar, classList, testEntry);
TestCommon.checkDump(dumpOutput, "Loading classes to share");
OutputAnalyzer execOutput = TestCommon.exec(appJar, testEntry, "Hello");
TestCommon.checkExec(execOutput, "Hello World");
}
for (int i=0; i<2; i++) {
String g1Flag, serialFlag;
// Interned strings are supported only with G1GC. However, we should not crash if:
// 0: archive has shared strings, but run time doesn't support shared strings
// 1: archive has no shared strings, but run time supports shared strings
String dump_g1Flag = "-XX:" + (i == 0 ? "+" : "-") + "UseG1GC";
String run_g1Flag = "-XX:" + (i != 0 ? "+" : "-") + "UseG1GC";
String dump_serialFlag = "-XX:" + (i != 0 ? "+" : "-") + "UseSerialGC";
String run_serialFlag = "-XX:" + (i == 0 ? "+" : "-") + "UseSerialGC";
OutputAnalyzer dumpOutput = TestCommon.dump(
appJar, classList, dump_g1Flag, dump_serialFlag);
TestCommon.checkDump(dumpOutput, "Loading classes to share");
OutputAnalyzer execOutput = TestCommon.exec(appJar, run_g1Flag, run_serialFlag, "Hello");
TestCommon.checkExec(execOutput, "Hello World");
}
}
private static boolean skipTestCase(String testEntry) throws Exception {
if (Platform.is32bit())
{
if (testEntry.equals("-XX:+UseCompressedOops") ||
testEntry.equals("-XX:+UseCompressedClassPointers") ||
testEntry.contains("ObjectAlignmentInBytes") )
{
System.out.println("Test case not applicable on 32-bit platforms");
return true;
}
}
if (Compiler.isGraalEnabled() && testEntry.equals("-XX:+UseConcMarkSweepGC"))
{
System.out.println("Graal does not support CMS");
return true;
}
return false;
}
}
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