| /* |
| * 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 |
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| * |
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| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
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| * You should have received a copy of the GNU General Public License version |
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| */ |
| |
| /* |
| * @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); |
| } |
| } |