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/*
* Copyright (c) 2015, 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
* @summary Test options that are incompatible with use of shared strings
* Also test mismatch in oops encoding between dump time and run time
* @requires vm.cds.archived.java.heap
* @requires (vm.gc=="null")
* @library /test/lib /test/hotspot/jtreg/runtime/appcds
* @modules java.base/jdk.internal.misc
* @modules java.management
* jdk.jartool/sun.tools.jar
* @build sun.hotspot.WhiteBox
* @run driver ClassFileInstaller sun.hotspot.WhiteBox sun.hotspot.WhiteBox$WhiteBoxPermission
* @build HelloString
* @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:. IncompatibleOptions
*/
import jdk.test.lib.Asserts;
import jdk.test.lib.Platform;
import jdk.test.lib.process.OutputAnalyzer;
import sun.hotspot.code.Compiler;
import sun.hotspot.gc.GC;
public class IncompatibleOptions {
static final String COOPS_DUMP_WARNING =
"Cannot dump shared archive when UseCompressedOops or UseCompressedClassPointers is off";
static final String COOPS_EXEC_WARNING =
"UseCompressedOops and UseCompressedClassPointers must be on for UseSharedSpaces";
static final String GC_WARNING =
"Archived java heap is not supported";
static final String OBJ_ALIGNMENT_MISMATCH =
"The shared archive file's ObjectAlignmentInBytes of .* does not equal the current ObjectAlignmentInBytes of";
static final String COMPACT_STRING_MISMATCH =
"The shared archive file's CompactStrings setting .* does not equal the current CompactStrings setting";
static String appJar;
public static void main(String[] args) throws Exception {
appJar = JarBuilder.build("IncompatibleOptions", "HelloString");
// Uncompressed OOPs
testDump(1, "-XX:+UseG1GC", "-XX:-UseCompressedOops", COOPS_DUMP_WARNING, true);
if (GC.Z.isSupported()) { // ZGC is included in build.
testDump(1, "-XX:+UnlockExperimentalVMOptions", "-XX:+UseZGC", COOPS_DUMP_WARNING, true);
}
// incompatible GCs
testDump(2, "-XX:+UseParallelGC", "", GC_WARNING, false);
testDump(3, "-XX:+UseSerialGC", "", GC_WARNING, false);
if (!Compiler.isGraalEnabled()) { // Graal does not support CMS
testDump(4, "-XX:+UseConcMarkSweepGC", "", GC_WARNING, false);
}
// ======= archive with compressed oops, run w/o
testDump(5, "-XX:+UseG1GC", "-XX:+UseCompressedOops", null, false);
testExec(5, "-XX:+UseG1GC", "-XX:-UseCompressedOops",
COOPS_EXEC_WARNING, true);
// NOTE: No warning is displayed, by design
// Still run, to ensure no crash or exception
testExec(6, "-XX:+UseParallelGC", "", "", false);
testExec(7, "-XX:+UseSerialGC", "", "", false);
if (!Compiler.isGraalEnabled()) { // Graal does not support CMS
testExec(8, "-XX:+UseConcMarkSweepGC", "", "", false);
}
// Test various oops encodings, by varying ObjectAlignmentInBytes and heap sizes
testDump(9, "-XX:+UseG1GC", "-XX:ObjectAlignmentInBytes=8", null, false);
testExec(9, "-XX:+UseG1GC", "-XX:ObjectAlignmentInBytes=16",
OBJ_ALIGNMENT_MISMATCH, true);
// See JDK-8081416 - Oops encoding mismatch with shared strings
// produces unclear or incorrect warning
// Correct the test case once the above is fixed
// @ignore JDK-8081416 - for tracking purposes
// for now, run test as is until the proper behavior is determined
testDump(10, "-XX:+UseG1GC", "-Xmx1g", null, false);
testExec(10, "-XX:+UseG1GC", "-Xmx32g", null, true);
// CompactStrings must match between dump time and run time
testDump(11, "-XX:+UseG1GC", "-XX:-CompactStrings", null, false);
testExec(11, "-XX:+UseG1GC", "-XX:+CompactStrings",
COMPACT_STRING_MISMATCH, true);
testDump(12, "-XX:+UseG1GC", "-XX:+CompactStrings", null, false);
testExec(12, "-XX:+UseG1GC", "-XX:-CompactStrings",
COMPACT_STRING_MISMATCH, true);
}
static void testDump(int testCaseNr, String collectorOption, String extraOption,
String expectedWarning, boolean expectedToFail) throws Exception {
System.out.println("Testcase: " + testCaseNr);
OutputAnalyzer output = TestCommon.dump(appJar, TestCommon.list("Hello"),
"-XX:+UseCompressedOops",
collectorOption,
"-XX:SharedArchiveConfigFile=" + TestCommon.getSourceFile("SharedStringsBasic.txt"),
extraOption);
if (expectedWarning != null)
output.shouldContain(expectedWarning);
if (expectedToFail) {
Asserts.assertNE(output.getExitValue(), 0,
"JVM is expected to fail, but did not");
}
}
static void testExec(int testCaseNr, String collectorOption, String extraOption,
String expectedWarning, boolean expectedToFail) throws Exception {
OutputAnalyzer output;
System.out.println("Testcase: " + testCaseNr);
// needed, otherwise system considers empty extra option as a
// main class param, and fails with "Could not find or load main class"
if (!extraOption.isEmpty()) {
output = TestCommon.exec(appJar, "-XX:+UseCompressedOops",
collectorOption, "-Xlog:cds", extraOption, "HelloString");
} else {
output = TestCommon.exec(appJar, "-XX:+UseCompressedOops",
collectorOption, "-Xlog:cds", "HelloString");
}
if (expectedWarning != null)
output.shouldMatch(expectedWarning);
if (expectedToFail)
Asserts.assertNE(output.getExitValue(), 0);
else
SharedStringsUtils.checkExec(output);
}
}
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