--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/runtime/cds/appcds/sharedStrings/IncompatibleOptions.java Mon Jul 29 10:34:20 2019 -0400
@@ -0,0 +1,206 @@
+/*
+ * Copyright (c) 2015, 2019, 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.
+ *
+ */
+
+// NOTE: the test takes a long time for each VM option combination, so we split
+// it into 3 @test parts, so that they can be executed in parallel. If you make a
+// change, please ensure all @test blocks are in sync.
+
+
+/*
+ * @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
+ * @comment This test explicitly chooses the type of GC to be used by sub-processes. It may conflict with the GC type set
+ * via the -vmoptions command line option of JTREG. vm.gc==null will help the test case to discard the explicitly passed
+ * vm options.
+ * @requires (vm.gc=="null")
+ * @library /test/lib /test/hotspot/jtreg/runtime/cds/appcds
+ * @modules jdk.jartool/sun.tools.jar
+ * @build sun.hotspot.WhiteBox
+ * @run driver ClassFileInstaller sun.hotspot.WhiteBox sun.hotspot.WhiteBox$WhiteBoxPermission
+ * @build HelloString
+ * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:. IncompatibleOptions 0
+ */
+
+
+/*
+ * @test
+ * @requires vm.cds.archived.java.heap
+ * @requires (vm.gc=="null")
+ * @library /test/lib /test/hotspot/jtreg/runtime/cds/appcds
+ * @modules jdk.jartool/sun.tools.jar
+ * @build sun.hotspot.WhiteBox
+ * @run driver ClassFileInstaller sun.hotspot.WhiteBox sun.hotspot.WhiteBox$WhiteBoxPermission
+ * @build HelloString
+ * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:. IncompatibleOptions 1
+ */
+
+/*
+ * @test
+ * @requires vm.cds.archived.java.heap
+ * @requires (vm.gc=="null")
+ * @library /test/lib /test/hotspot/jtreg/runtime/cds/appcds
+ * @modules 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 2
+ */
+
+
+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;
+ static String[] vmOptionsPrefix = {};
+
+ public static void main(String[] args) throws Exception {
+ String[] noargs = {};
+ SharedStringsUtils.run(Integer.parseInt(args[0]), 3, noargs, IncompatibleOptions::test);
+ // Add a new @test block if you get an assert ----^ about this number. See
+ // SharedStringsUtils.java for details.
+ }
+
+ public static void test(String[] args_ignored) throws Exception {
+ vmOptionsPrefix = SharedStringsUtils.getChildVMOptionsPrefix();
+ 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"),
+ TestCommon.concat(vmOptionsPrefix,
+ "-XX:+UseCompressedOops",
+ collectorOption,
+ "-XX:SharedArchiveConfigFile=" + TestCommon.getSourceFile("SharedStringsBasic.txt"),
+ "-Xlog:cds,cds+hashtables",
+ 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,
+ TestCommon.concat(vmOptionsPrefix,
+ "-XX:+UseCompressedOops",
+ collectorOption, "-Xlog:cds", extraOption, "HelloString"));
+ } else {
+ output = TestCommon.exec(appJar,
+ TestCommon.concat(vmOptionsPrefix,
+ "-XX:+UseCompressedOops",
+ collectorOption, "-Xlog:cds", "HelloString"));
+ }
+
+ if (expectedWarning != null) {
+ output.shouldMatch(expectedWarning);
+ }
+
+ if (expectedToFail) {
+ Asserts.assertNE(output.getExitValue(), 0);
+ } else {
+ SharedStringsUtils.checkExec(output);
+ }
+ }
+}