| /* |
| * 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; |
| } |
| } |