--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/runtime/cds/appcds/sharedStrings/SharedStringsUtils.java Mon Jul 29 10:34:20 2019 -0400
@@ -0,0 +1,190 @@
+/*
+ * 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.
+ *
+ */
+
+import jdk.test.lib.cds.CDSOptions;
+import jdk.test.lib.process.OutputAnalyzer;
+import jdk.test.lib.Asserts;
+
+// A helper/utility class for testing shared strings
+public class SharedStringsUtils {
+ public static final String TEST_JAR_NAME = "test";
+ public static final String TEST_JAR_NAME_FULL = "test.jar";
+ public static final String WHITEBOX_JAR_NAME = "whitebox";
+
+ public static interface Test {
+ public void dotest(String args[]) throws Exception ;
+ }
+
+ private static String[][] vmOptionCombos = {
+ {},
+ {"-XX:+UseStringDeduplication"},
+ {"-XX:-CompactStrings"}
+ };
+
+ private static String childVMOptionsPrefix[] = {};
+
+ // SharedStringsUtils.run() is for running the main test body multiple times, each with a different
+ // set of extra VM options that are passed to the child processes.
+ //
+ // See ./ExerciseGC.java for an example.
+ public static void run(String args[], Test t) throws Exception {
+ int numSetOfChildVMOptions = vmOptionCombos.length;
+ for (int i=0; i< numSetOfChildVMOptions; i++) {
+ run(i, numSetOfChildVMOptions, args, t);
+ }
+ }
+
+ public static void run(int i, int numSetOfChildVMOptions, String args[], Test t) throws Exception {
+ // When you add a new set of options to vmOptionCombos, we make sure all
+ // callers of this method (i.e., IncompatibleOptions.java) knows about it and will
+ // add new @test blocks accordingly.
+ Asserts.assertEQ(numSetOfChildVMOptions, vmOptionCombos.length);
+ String opts[] = vmOptionCombos[i];
+
+ System.out.print("Running with extra VM option prefix for child processes [" + opts.length + "] =");
+ for (String o : opts) {
+ System.out.print(" " + o);
+ }
+ System.out.println();
+ childVMOptionsPrefix = opts;
+ t.dotest(args);
+ }
+
+ public static String[] getChildVMOptionsPrefix() {
+ return childVMOptionsPrefix;
+ }
+
+ public static String getWbParam() {
+ return "-Xbootclasspath/a:" + TestCommon.getTestJar(WHITEBOX_JAR_NAME + ".jar");
+ }
+
+ // build the test jar
+ public static void buildJar(String... classes) throws Exception {
+ JarBuilder.build(TEST_JAR_NAME, classes);
+ }
+
+ // build the test jar and a whitebox jar
+ public static void buildJarAndWhiteBox(String... classes) throws Exception {
+ JarBuilder.build(true, WHITEBOX_JAR_NAME, "sun/hotspot/WhiteBox");
+ buildJar(classes);
+ }
+
+ // execute the "dump" operation, but do not check the output
+ public static OutputAnalyzer dumpWithoutChecks(String appClasses[],
+ String sharedDataFile, String... extraOptions) throws Exception {
+
+ String appJar = TestCommon.getTestJar(TEST_JAR_NAME_FULL);
+ String[] args =
+ TestCommon.concat(extraOptions, "-XX:+UseCompressedOops", "-XX:+UseG1GC",
+ "-XX:SharedArchiveConfigFile=" +
+ TestCommon.getSourceFile(sharedDataFile));
+ args = TestCommon.concat(childVMOptionsPrefix, args);
+
+ return TestCommon.dump(appJar, appClasses, args);
+ }
+
+ // execute the dump operation and check the output
+ public static OutputAnalyzer dump(String appClasses[],
+ String sharedDataFile, String... extraOptions) throws Exception {
+ OutputAnalyzer output = dumpWithoutChecks(appClasses, sharedDataFile, extraOptions);
+ checkDump(output);
+ return output;
+ }
+
+ public static OutputAnalyzer dumpWithWhiteBox(String appClasses[],
+ String sharedDataFile, String... extraOptions) throws Exception {
+ return dump(appClasses, sharedDataFile,
+ TestCommon.concat(extraOptions, getWbParam()) );
+ }
+
+ // execute/run test with shared archive
+ public static OutputAnalyzer runWithArchiveAuto(String className,
+ String... extraOptions) throws Exception {
+
+ String appJar = TestCommon.getTestJar(TEST_JAR_NAME_FULL);
+ String[] args = TestCommon.concat(extraOptions,
+ "-cp", appJar, "-XX:+UseCompressedOops", "-XX:+UseG1GC", className);
+ args = TestCommon.concat(childVMOptionsPrefix, args);
+
+ OutputAnalyzer output = TestCommon.execAuto(args);
+ checkExecAuto(output);
+ return output;
+ }
+
+ public static OutputAnalyzer runWithArchive(String className,
+ String... extraOptions) throws Exception {
+
+ return runWithArchive(new String[0], className, extraOptions);
+ }
+
+ public static OutputAnalyzer runWithArchive(String[] extraMatches,
+ String className, String... extraOptions) throws Exception {
+
+ String appJar = TestCommon.getTestJar(TEST_JAR_NAME_FULL);
+ String[] args = TestCommon.concat(extraOptions,
+ "-XX:+UseCompressedOops", "-XX:+UseG1GC", className);
+ args = TestCommon.concat(childVMOptionsPrefix, args);
+
+ OutputAnalyzer output = TestCommon.exec(appJar, args);
+ checkExec(output, extraMatches);
+ return output;
+ }
+
+
+ // execute/run test with shared archive and white box
+ public static OutputAnalyzer runWithArchiveAndWhiteBox(String className,
+ String... extraOptions) throws Exception {
+
+ return runWithArchive(className,
+ TestCommon.concat(extraOptions, getWbParam(),
+ "-XX:+UnlockDiagnosticVMOptions", "-XX:+WhiteBoxAPI") );
+ }
+
+ public static OutputAnalyzer runWithArchiveAndWhiteBox(String[] extraMatches,
+ String className, String... extraOptions) throws Exception {
+
+ return runWithArchive(extraMatches, className,
+ TestCommon.concat(extraOptions, getWbParam(),
+ "-XX:+UnlockDiagnosticVMOptions", "-XX:+WhiteBoxAPI") );
+ }
+
+
+ public static void checkDump(OutputAnalyzer output) throws Exception {
+ output.shouldContain("Shared string table stats");
+ TestCommon.checkDump(output);
+ }
+
+ public static void checkExec(OutputAnalyzer output) throws Exception {
+ TestCommon.checkExec(output, new String[0]);
+ }
+
+ public static void checkExecAuto(OutputAnalyzer output) throws Exception {
+ CDSOptions opts = (new CDSOptions()).setXShareMode("auto");
+ TestCommon.checkExec(output, opts);
+ }
+
+ public static void checkExec(OutputAnalyzer output, String[] extraMatches) throws Exception {
+ TestCommon.checkExec(output, extraMatches);
+ }
+}