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Merge jdk-11+14
authormseledtsov
Wed, 16 May 2018 16:43:57 -0700
changeset 50155 3595bd343b65
parent 50154 d2d6bc39ea88 (diff)
parent 50153 9010b580d8a9 (current diff)
child 50156 6d6fe9416864
Merge
--- a/test/hotspot/jtreg/TEST.groups	Wed May 16 15:19:28 2018 -0700
+++ b/test/hotspot/jtreg/TEST.groups	Wed May 16 16:43:57 2018 -0700
@@ -592,6 +592,13 @@
 vmTestbase_nsk_jdi = \
   vmTestbase/nsk/jdi
 
+
+# Stress tests for classes loading/unloading
+# NSK tests for functionality of the HS system dictionary
+vmTestbase_nsk_sysdict = \
+  vmTestbase/nsk/sysdict/vm/stress
+
+
 vmTestbase_nsk_jdi_quick = \
   vmTestbase/nsk/jdi/Argument/description/description001/TestDescription.java \
   vmTestbase/nsk/jdi/Argument/isValid/isvalid001/TestDescription.java \
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/sysdict/share/BTreeGen.java	Wed May 16 16:43:57 2018 -0700
@@ -0,0 +1,144 @@
+/*
+ * Copyright (c) 2002, 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.
+ */
+
+package nsk.sysdict.share;
+
+import java.io.*;
+
+/**
+ * This tools generates a binary tree of classes.
+ * For more details, use:
+ * <pre>
+ *     java BTreeGen -help
+ * </pre>
+ */
+public class BTreeGen {
+    private static final int HEIGHT = 12;  // default tree height
+    private static final int WEIGHT = 200; // as many longs in each node
+
+    private static void explain(Object x) {
+        System.err.println("# " + x);
+    }
+
+    public static void main(String args[]) {
+        if (args.length < 1 || args[0].toLowerCase().startsWith("-h")) {
+            explain("This tools generates a binary tree of classes:");
+            explain("");
+            explain("          BTree0");
+            explain("          /     \\");
+            explain("    BTree0L    BTree0R");
+            explain("     /   \\       /   \\");
+            explain("   ...   ...   ...   ...");
+            explain("");
+            explain("Use:");
+            explain("    java BTreeGen { $HEIGHT [ $WEIGHT ] | \"default\" }");
+            explain("");
+            explain("Generates:");
+            explain("    BTree.java class having HEIGHT constant.");
+            explain("    BTree0.java defining a classes tree.");
+            explain("");
+            explain("Here:");
+            explain("    HEIGHT and WEIGHT must be positive integers.");
+            explain("    Default HEIGHT is " + HEIGHT + " ("
+                + ((1<<HEIGHT)-1) + " classes in a tree).");
+            explain("    Default WEIGHT is " + WEIGHT + ".");
+            System.exit(1);
+        };
+        int height = HEIGHT;
+        int weight = WEIGHT;
+        if (!args[0].toLowerCase().equals("default")) {
+            height = Integer.parseInt(args[0]);
+            if (args.length > 1)
+                weight = Integer.parseInt(args[1]);
+        };
+        try {
+            doit(height, weight);
+        } catch (IOException exception) {
+            exception.printStackTrace(System.err);
+            System.exit(1);
+        }
+    }
+
+    private static void doit(int height, int weight)
+        throws FileNotFoundException
+    {
+        // Constant definition:
+        PrintStream info;
+        info = new PrintStream(new FileOutputStream(new File("BTreeInfo.java")));
+        info.println("// This file is generated by: BTreeGen.java");
+        info.println("package nsk.sysdict.share;");
+        info.println("import nsk.share.*;");
+        info.println("public class BTreeInfo {");
+        info.println("    public static final int HEIGHT = " + height + ";");
+        info.println("    private static final int WEIGHT = " + weight + ";");
+        info.println("    public static final String rootName = \"BTree0\";");
+        info.println("    public static final Denotation nodesDenotation");
+        info.println("         = new TreeNodesDenotation(\"LR\");");
+        info.println("}");
+        info.close();
+        // Generate ta classes tree:
+        PrintStream btree;
+        btree = new PrintStream(new FileOutputStream(new File("BTree.java")));
+        btree.println("// This file is generated by: BTreeGen.java");
+        btree.println("package nsk.sysdict.share;");
+        new BTreeGen(btree).generate(height,weight);
+        btree.close();
+    }
+
+    private PrintStream stream;
+    private BTreeGen(PrintStream stream) {
+        this.stream = stream;
+    }
+    private void println(String s) {
+        stream.println(s);
+    }
+
+    private void generate(int height, int weight) {
+        if (height < 1)
+            throw new IllegalArgumentException("bad height: " + height);
+        if (weight < 1)
+            throw new IllegalArgumentException("bad weight: " + weight);
+        String basename = "BTree0";
+        genClass(null,basename,weight);
+        gen(basename,height,weight);
+    }
+
+    private void gen(String name, int height, int weight) {
+        if (height == 1)
+            return;
+        String nameL = name + "L";
+        String nameR = name + "R";
+        genClass(name, nameL, weight);
+        genClass(name, nameR, weight);
+        gen(nameL, height-1, weight);
+        gen(nameR, height-1, weight);
+    }
+
+    private void genClass(String baseName, String className, int weight) {
+        println("class " + className
+            + (baseName!=null? " extends " + baseName: "") + " {");
+        for (int w=1; w<=weight; w++)
+            println("    static long fill_" + className + "_" + w + ";");
+        println("}");
+    }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/sysdict/share/BTreeTest.java	Wed May 16 16:43:57 2018 -0700
@@ -0,0 +1,121 @@
+/*
+ * Copyright (c) 2010, 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.
+ */
+
+package nsk.sysdict.share;
+
+import nsk.share.Denotation;
+import nsk.share.Failure;
+import nsk.share.TestFailure;
+import nsk.share.sysdict.ClassLoadersBTree;
+import nsk.share.test.Tests;
+
+/**
+ * This class is used by btree tests.
+ */
+public class BTreeTest extends SysDictTest {
+
+    public BTreeTest(String[] args) {
+        parseArgs(args);
+    }
+
+    public static void main(String args[]) {
+        Tests.runTest(new BTreeTest(args), args);
+    }
+    private int height;
+    protected int level;
+    String[] nodeNames;
+    String[] classNames;
+
+    @Override
+    protected void parseArgs(String args[]) {
+        super.parseArgs(args);
+        for (int i = 0; i < args.length; i++) {
+            if (args[i].equals("-level")) {
+                level = Integer.parseInt(args[i + 1]);
+            }
+            if (args[i].equals("-height")) {
+                height = Integer.parseInt(args[i + 1]);
+            }
+        }
+        try {
+            // Load FatsInfo with URLClassLoader btree.jar & fats.jar should not
+            // present in classpath
+            Class info;
+            if (useFats) {
+                info = createJarLoader().loadClass(PACKAGE_PREFIX + "FatsInfo");
+            } else {
+                info = createJarLoader().loadClass(PACKAGE_PREFIX + "BTreeInfo");
+            }
+
+            if (height == 0) {
+                height = info.getField("HEIGHT").getInt(null) - 1;
+            }
+
+            if (level == 0) {
+                level = height - 1;
+            }
+
+            if (level >= height) {
+                throw new Failure("Icorrect level : " + level + " .Should be less then " + height);
+            }
+
+            // generate names for all nodes at the given level:
+            Denotation denotation = null;
+            if (!useFats) {
+                denotation = (Denotation) info.getField("nodesDenotation").get(null);
+            }
+
+            // Set all classnames
+            String prefix = PACKAGE_PREFIX + info.getField("rootName").get(null);
+            nodeNames = new String[1 << level];
+            classNames = new String[1 << level];
+            for (int i = 0; i < nodeNames.length; i++) {
+                if (useFats) {
+                    classNames[i] = prefix + ((String[]) info.getField("nodeNames").get(null))[height - 1];
+                } else {
+                    nodeNames[i] = denotation.nameFor(level, i);
+                    classNames[i] = prefix + nodeNames[i];
+                }
+            }
+            System.out.println("The level = " + level + " the height = " + height);
+        } catch (Exception e) {
+            throw new TestFailure("Can't initialize test correctly", e);
+        }
+    }
+
+    @Override
+    protected final String[] getClassNames() {
+        return classNames;
+    }
+
+    @Override
+    protected final ClassLoader[] createLoaders() {
+        ClassLoader jarLoader = createJarLoader();
+        ClassLoader loaders[] = new ClassLoader[nodeNames.length];
+        ClassLoadersBTree loadersTree = new ClassLoadersBTree(jarLoader, height);
+        for (int i = 0; i < loaders.length; i++) {
+            loaders[i] = loadersTree.getLoader(nodeNames[i]);
+        }
+        return loaders;
+    }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/sysdict/share/ChainGen.java	Wed May 16 16:43:57 2018 -0700
@@ -0,0 +1,141 @@
+/*
+ * Copyright (c) 2002, 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.
+ */
+
+package nsk.sysdict.share;
+
+import java.io.*;
+
+/**
+ * This tools generates a chain of classes.
+ * For more details, use:
+ * <pre>
+ *     java ChainGen -help
+ * </pre>
+ */
+public class ChainGen {
+    private static final int FATS_HEIGHT = 5;
+    private static final int FATS_WEIGHT = 10000;
+    private static final int LEANS_HEIGHT = 50;
+    private static final int LEANS_WEIGHT = 1;
+
+    private static void explain(Object x) {
+        System.err.println("# " + x);
+    }
+
+    public static void main(String args[]) {
+        if (args.length < 1 || args[0].toLowerCase().startsWith("-h")) {
+            explain("Generates a chain classes extending each other.");
+            explain("");
+            explain("Use:");
+            explain("    java ChainGen $NAME $HEIGHT $WEIGHT");
+            explain("Or:");
+            explain("    java ChainGen \"fats\"");
+            explain("Or:");
+            explain("    java ChainGen \"leans\"");
+            explain("");
+            explain("This creates:");
+            explain("    ${NAME}Info.java class displaying HEIGHT and WEIGHT.");
+            explain("    ${NAME}XXXXXX.java defining classes chain.");
+            explain("");
+            explain("Here:");
+            explain("    HEIGHT and WEIGHT must be positive integers.");
+            explain("    Defaults for \"fats\": HEIGHT is " + FATS_HEIGHT
+                + ", WEIGHT is " + FATS_WEIGHT +".");
+            explain("    Defaults for \"leans\": HEIGHT is " + LEANS_HEIGHT
+                + ", WEIGHT is " + LEANS_WEIGHT +".");
+            System.exit(1);
+        };
+        String name;
+        int height, weight;
+        if (args[0].toLowerCase().equals("fats")) {
+            name   = "Fats";
+            height = FATS_HEIGHT;
+            weight = FATS_WEIGHT;
+        } else if (args[0].toLowerCase().equals("leans")) {
+            name   = "Leans";
+            height = LEANS_HEIGHT;
+            weight = LEANS_WEIGHT;
+        } else {
+            name   = args[0];
+            height = Integer.parseInt(args[1]);
+            weight = Integer.parseInt(args[2]);
+        };
+        try {
+            doit(name, height, weight);
+        } catch (IOException exception) {
+            exception.printStackTrace(System.err);
+            System.exit(1);
+        }
+    }
+
+    private static void doit(String name, int height, int weight)
+        throws FileNotFoundException
+    {
+        // Constants definition:
+        PrintStream info = new PrintStream(
+                new FileOutputStream(new File(name + "Info.java"))
+            );
+        info.println("// This file is generated by: ChainGen.java");
+        info.println("package nsk.sysdict.share;");
+        info.println("public class " + name + "Info {");
+        info.println("    public static final int HEIGHT = " + height + ";");
+        info.println("    private static final int WEIGHT = " + weight + ";");
+        info.println("    public static final String rootName = \"" + name + "\";");
+        info.println("    public static final String[] nodeNames = new String[] {");
+        // Generate a series of fat classes:
+        for (int index=0; index<height; index++) {
+            String suffix = digits(index,6);
+            String className = name + suffix;
+            info.println("        \"" + suffix + "\""
+                + (index+1<height? "," : ""));
+            PrintStream chain = new PrintStream(
+                new FileOutputStream(new File(className + ".java"))
+            );
+            chain.println("// This file is generated by: ChainGen.java");
+            chain.println("package nsk.sysdict.share;");
+            chain.println("class " + className
+                + (index>0? " extends " + name + digits(index-1,6): "")
+                + " {");
+            for (int w=0; w<weight; w++) {
+                String fieldName = "fill_" + className + "_" + digits(w,6);
+                chain.println("    static long " + fieldName + ";");
+            }
+            chain.println("}");
+            chain.close();
+        };
+        //
+        info.println("    };");
+        info.println("}");
+        info.close();
+    }
+
+    /**
+     * Convert <tt>x</tt> to <tt>n</tt>-digits string.
+     */
+    private static String digits(int x, int n) {
+        String s = "" + x;
+        while (s.length() < n)
+            s = "0" + s;
+        return s;
+    }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/sysdict/share/ChainTest.java	Wed May 16 16:43:57 2018 -0700
@@ -0,0 +1,131 @@
+/*
+ * Copyright (c) 2010, 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.
+ */
+
+package nsk.sysdict.share;
+
+import java.lang.reflect.Field;
+import nsk.share.Failure;
+import nsk.share.TestFailure;
+import nsk.share.sysdict.ClassLoadersChain;
+import nsk.share.test.Tests;
+
+/**
+ * This is a main class for all chain tests.
+ */
+public class ChainTest extends SysDictTest {
+
+    public ChainTest(String[] args) {
+        parseArgs(args);
+    }
+
+    public static void main(String args[]) {
+        Tests.runTest(new ChainTest(args), args);
+    }
+    private static final int NxM_FACTOR = 450;
+    private int classesHeight;
+    private int loadersHeight;
+    String[] classNames;
+
+    @Override
+    protected void parseArgs(String args[]) {
+        super.parseArgs(args);
+        boolean isLoaderHeightDefault = true;
+        boolean isHeightDefault = true;
+        for (int i = 0; i < args.length; i++) {
+            if (args[i].equals("-classloaderHeight")) {
+                loadersHeight = Integer.parseInt(args[i + 1]);
+                if (loadersHeight > 0) {
+                    isLoaderHeightDefault = false;
+                }
+            }
+            if (args[i].equals("-height")) {
+                classesHeight = Integer.parseInt(args[i + 1]);
+                if (classesHeight > 0) {
+                    isHeightDefault = false;
+                }
+            }
+        }
+
+        Class info;
+        try {
+            if (useFats) {
+                info = createJarLoader().loadClass(PACKAGE_PREFIX + "FatsInfo");
+            } else {
+                info = createJarLoader().loadClass(PACKAGE_PREFIX + "LeansInfo");
+            }
+            System.out.println("name=" + info.getName());
+            for (Field field : info.getDeclaredFields()) {
+                System.err.println("field = " + field.getName());
+            }
+            if (isHeightDefault) {
+                classesHeight = info.getField("HEIGHT").getInt(null);
+            }
+
+
+            if (isLoaderHeightDefault) {
+                loadersHeight = NxM_FACTOR / classesHeight;
+            }
+
+            if (loadersHeight * classesHeight != NxM_FACTOR) {
+                throw new Failure("classes height must divide " + NxM_FACTOR);
+            }
+
+            if (loadersHeight == 0) {
+                throw new Failure("loaders height should be positive");
+            }
+            if (classesHeight == 0) {
+                throw new Failure("classes height should be positive");
+            }
+            classNames = new String[classesHeight];
+            for (int i = 0; i < classesHeight; i++) {
+                classNames[i] = PACKAGE_PREFIX + info.getField("rootName").get(null)
+                        + ((String[]) info.getField("nodeNames").get(null))[i];
+            }
+            if (classNames == null || classNames.length == 0) {
+                throw new TestFailure("No classes names for loading");
+            }
+            System.out.println("The classHeight = " + classesHeight + " the loadersHeight = " + loadersHeight);
+        } catch (Exception e) {
+            throw new TestFailure("Can't initialize test correctly", e);
+        }
+
+    }
+
+    @Override
+    String[] getClassNames() {
+        return classNames;
+    }
+
+    @Override
+    ClassLoader[] createLoaders() {
+        ClassLoader loaders[] = new ClassLoader[loadersHeight];
+        ClassLoader jarLoader = createJarLoader();
+        ClassLoadersChain loadersChain =
+                new ClassLoadersChain(jarLoader, loadersHeight);
+        // direct ordering: root loader first
+        for (int i = 0; i < loadersHeight; i++) {
+            loaders[i] = loadersChain.getLoader(loadersHeight - 1 - i);
+        }
+        return loaders;
+    }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/sysdict/share/GenClassesBuilder.java	Wed May 16 16:43:57 2018 -0700
@@ -0,0 +1,136 @@
+/*
+ * Copyright (c) 2017, 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.
+ */
+
+package nsk.sysdict.share;
+
+import jdk.test.lib.JDKToolLauncher;
+import jdk.test.lib.Utils;
+import jdk.test.lib.process.ProcessTools;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.Arrays;
+import java.util.stream.Stream;
+
+public class GenClassesBuilder {
+    public static void main(String[] args) {
+        if (args == null || args.length == 0) {
+            throw new Error("args can't be empty");
+        }
+        for (String arg : args) {
+            switch (arg) {
+                case "btree":
+                    build("btree", "BTree",
+                            () -> BTreeGen.main(new String[] {"default"}));
+                    break;
+                case "leans":
+                    build("leans", "Leans",
+                            () -> ChainGen.main(new String[] {"leans"}));
+                    break;
+                case "fats":
+                    build("fats", "Fats",
+                            () -> ChainGen.main(new String[] {"fats"}));
+                    break;
+                default:
+                    throw new Error("unkown target " + arg);
+            }
+        }
+    }
+
+    private static void build(String name, String prefix, Runnable generator) {
+        generator.run();
+        Path genSrcDir = Paths.get(name, "genSrc", "nsk", "sysdict", "share");
+        Path classesDir = Paths.get(name,"classes").toAbsolutePath();
+        try {
+            Files.createDirectories(genSrcDir);
+        } catch (IOException e) {
+            throw new Error("can't create dir " + genSrcDir, e);
+        }
+        moveJavaFiles(genSrcDir, prefix);
+
+        JDKToolLauncher javac = JDKToolLauncher.create("javac")
+                                               .addToolArg("-d")
+                                               .addToolArg(classesDir.toString())
+                                               .addToolArg("-cp")
+                                               .addToolArg(Utils.TEST_CLASS_PATH);
+
+        try (Stream<Path> stream = Files.walk(genSrcDir)) {
+            stream.map(Path::toAbsolutePath)
+                  .map(Path::toString)
+                  .filter(s -> s.endsWith(".java"))
+                  .forEach(javac::addToolArg);
+        } catch (IOException e) {
+            throw new Error("traverse dir " + genSrcDir, e);
+        }
+
+        executeTool(javac);
+        buildJar(name + ".jar", classesDir);
+    }
+
+    private static void executeTool(JDKToolLauncher tool) {
+        String[] command = tool.getCommand();
+        try {
+            ProcessTools.executeCommand(command)
+                        .shouldHaveExitValue(0);
+        } catch (Error | RuntimeException e) {
+            throw e;
+        } catch (Throwable e) {
+            throw new Error("execution of " + Arrays.toString(command) + " failed", e);
+        }
+    }
+
+    private static void buildJar(String name, Path dir) {
+        JDKToolLauncher jar = JDKToolLauncher.create("jar")
+                                             .addToolArg("cf")
+                                             .addToolArg(name)
+                                             .addToolArg("-C")
+                                             .addToolArg(dir.toString())
+                                             .addToolArg(".");
+        executeTool(jar);
+    }
+
+    private static void moveJavaFiles(Path dir, String prefix) {
+        try (Stream<Path> stream = Files.list(Paths.get("."))) {
+            stream.filter(Files::isRegularFile)
+                  .filter(p -> {
+                      String s = p.getFileName().toString();
+                      return s.startsWith(prefix) && s.endsWith(".java");})
+                  .forEach(p -> move(p, dir));
+        } catch (IOException e) {
+            throw new Error("can't traverse current dir", e);
+        }
+    }
+
+    private static void move(Path src, Path dstDir) {
+        if (Files.notExists(src)) {
+            throw new Error("file " + src + " doesn't exit");
+        }
+        try {
+            Files.move(src, dstDir.resolve(src.getFileName()));
+        } catch (IOException e) {
+            throw new Error("can't move " + src + " to " + dstDir, e);
+        }
+    }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/sysdict/share/SysDictTest.java	Wed May 16 16:43:57 2018 -0700
@@ -0,0 +1,172 @@
+/*
+ * Copyright (c) 2010, 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.
+ */
+
+package nsk.sysdict.share;
+
+import java.io.File;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.net.URLClassLoader;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Random;
+import nsk.share.ClassUnloader;
+import nsk.share.TestFailure;
+import nsk.share.gc.ThreadedGCTest;
+import nsk.share.gc.gp.GarbageUtils;
+import nsk.share.test.ExecutionController;
+
+/**
+ * This is the base class for btree & chain tests. It is a standard GCThreaded Test.
+ */
+public abstract class SysDictTest extends ThreadedGCTest {
+
+    static String PACKAGE_PREFIX = "nsk.sysdict.share.";
+    // Should we additionally use ClassUnloader.unload to stress GC
+    private boolean isHeapStressed = false;
+    // Should we use one JarLoader or a lot of them
+    private boolean useSingleLoader = true;
+    // Should we use fats.jar with little amount large classes or not
+    boolean useFats = false;
+    URL[] jars;
+
+    protected void parseArgs(String args[]) {
+        for (int i = 0; i < args.length; i++) {
+            if (args[i].equals("-stressHeap")) {
+                isHeapStressed = true;
+            }
+            if (args[i].equals("-useFatClass")) {
+                useFats = true;
+            }
+            if (args[i].equals("-useSingleLoader")) {
+                this.useSingleLoader = false;
+            }
+            // jar path is in useal classpath format
+            if (args[i].equals("-jarpath")) {
+                String[] files = args[i + 1].split(File.pathSeparator);
+                jars = new URL[files.length];
+                for (int j = 0; j < files.length; j++) {
+                    try {
+                        jars[j] = new File(files[j]).toURI().toURL();
+                    } catch (MalformedURLException e) {
+                        throw new TestFailure(e);
+                    }
+                }
+            }
+        }
+    }
+
+    // each time we create a new classloader
+    protected ClassLoader createJarLoader() {
+        return new URLClassLoader(jars);
+    }
+
+    // The btree and chain tests differs by loaders and classes
+    // let define them in subclasses
+    abstract ClassLoader[] createLoaders();
+
+    abstract String[] getClassNames();
+
+    ClassLoader[] createClassLoadersInternal() {
+        if (!useSingleLoader) {
+            return createLoaders();
+        } else {
+            ClassLoader[] single = new ClassLoader[1];
+            single[0] = createJarLoader();
+            return single;
+        }
+    }
+    volatile ClassLoader[] currentClassLoaders;
+
+    class Worker implements Runnable {
+
+        private ClassLoader loader;
+        private String[] names;
+        private ExecutionController stresser;
+        int index;
+        public String tmp;
+
+        public Worker(int number, String[] classnames) {
+
+            this.index = number;
+            this.names = new String[classnames.length];
+            List<String> listNames = new ArrayList<String>(classnames.length);
+            listNames.addAll(Arrays.asList(classnames));
+            for (int i = 0; i < classnames.length; i++) {
+                int idx1 = new Random().nextInt(listNames.size());
+                this.names[i] = listNames.remove(idx1);
+            }
+        }
+
+        @Override
+        public void run() {
+            if (stresser == null) {
+                stresser = getExecutionController();
+            }
+
+            // only first thread update all classloaders
+            // do not care about synchronization
+            if (index == 0) {
+                try {
+                    currentClassLoaders = createClassLoadersInternal();
+                } catch (OutOfMemoryError oome) {
+                    // skip iterations until all loaders will be unloaded
+                    Thread.yield();
+                    return;
+                }
+            }
+            for (int i = 0; i < names.length; i++) {
+                try {
+                    String name = names[i];
+                    if (!stresser.continueExecution()) {
+                        return;
+                    }
+                    // just check if loader was updated
+                    loader = currentClassLoaders[index];
+                    Class clz = Class.forName(name, true, loader);
+                    // set name into public variable just to be sure
+                    // that class is loaded
+                    tmp = clz.getName();
+                } catch (ClassNotFoundException cnfe) {
+                    throw new TestFailure(cnfe);
+                } catch (OutOfMemoryError oome) {
+                    // just ignore
+                    // we do not check memory leaks in PermGen in this tests
+                } catch (StackOverflowError soe) {
+                    // just ignore, chains could be too large
+                    // StackOverflowError could be in some sparcs
+                }
+            }
+            if (isHeapStressed) {
+                GarbageUtils.eatMemory(stresser, 50, 1024, 0);
+            }
+        }
+    }
+
+    @Override
+    protected Runnable createRunnable(int i) {
+        currentClassLoaders = createClassLoadersInternal();
+        return new Worker(i % currentClassLoaders.length, getClassNames());
+    }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/sysdict/vm/stress/btree/btree001/TEST.properties	Wed May 16 16:43:57 2018 -0700
@@ -0,0 +1,1 @@
+exclusiveAccess.dirs=.
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/sysdict/vm/stress/btree/btree001/btree001.java	Wed May 16 16:43:57 2018 -0700
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2017, 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
+ * @key stress
+ *
+ * @summary converted from VM Testbase nsk/sysdict/vm/stress/btree/btree001.
+ * VM Testbase keywords: [stress, sysdict, stressopt, nonconcurrent]
+ * VM Testbase readme:
+ * DESCRIPTION
+ *     Single thread load a tree of classes with isomorphic
+ *     tree of loaders (root loader loads root class, etc).
+ *     The test is deemed failed if loading attempt fails.
+ *     The test repeats until the given number of iterations,
+ *     or until EndOfMemoryError.
+ *
+ * @library /vmTestbase /test/lib
+ * @comment btree classes import nsk.sysdict.share.*
+ * @build nsk.sysdict.share.*
+ * @comment build btree.jar
+ * @run driver nsk.sysdict.share.GenClassesBuilder btree
+ * @comment build fats.jar
+ * @run driver nsk.sysdict.share.GenClassesBuilder fats
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @build nsk.sysdict.share.BTreeTest
+ * @run main/othervm
+ *      -XX:-UseGCOverheadLimit
+ *      PropertyResolvingWrapper
+ *      nsk.sysdict.share.BTreeTest
+ *      -jarpath btree.jar${path.separator}fats.jar
+ *      -t 1
+ */
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/sysdict/vm/stress/btree/btree002/TEST.properties	Wed May 16 16:43:57 2018 -0700
@@ -0,0 +1,1 @@
+exclusiveAccess.dirs=.
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/sysdict/vm/stress/btree/btree002/btree002.java	Wed May 16 16:43:57 2018 -0700
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2017, 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
+ * @key stress
+ *
+ * @summary converted from VM Testbase nsk/sysdict/vm/stress/btree/btree002.
+ * VM Testbase keywords: [stress, sysdict, stressopt, nonconcurrent]
+ * VM Testbase readme:
+ * DESCRIPTION
+ *     Single thread loads a tree of classes with signle loader.
+ *     The test is deemed failed if loading attempt fails.
+ *     The test repeats until the given number of iterations,
+ *     or until EndOfMemoryError.
+ *
+ * @library /vmTestbase /test/lib
+ * @comment btree classes import nsk.sysdict.share.*
+ * @build nsk.sysdict.share.*
+ * @comment build btree.jar
+ * @run driver nsk.sysdict.share.GenClassesBuilder btree
+ * @comment build fats.jar
+ * @run driver nsk.sysdict.share.GenClassesBuilder fats
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @build nsk.sysdict.share.BTreeTest
+ * @run main/othervm
+ *      -XX:-UseGCOverheadLimit
+ *      PropertyResolvingWrapper
+ *      nsk.sysdict.share.BTreeTest
+ *      -jarpath btree.jar${path.separator}fats.jar
+ *      -useSingleLoader
+ *      -t 1
+ */
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/sysdict/vm/stress/btree/btree003/TEST.properties	Wed May 16 16:43:57 2018 -0700
@@ -0,0 +1,1 @@
+exclusiveAccess.dirs=.
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/sysdict/vm/stress/btree/btree003/btree003.java	Wed May 16 16:43:57 2018 -0700
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2017, 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
+ * @key stress
+ *
+ * @summary converted from VM Testbase nsk/sysdict/vm/stress/btree/btree003.
+ * VM Testbase keywords: [stress, sysdict, stressopt, nonconcurrent]
+ * VM Testbase readme:
+ * DESCRIPTION
+ *     Single thread loads single class with a tree of loaders.
+ *     The test is deemed failed if loading attempt fails.
+ *     The test repeats until the given number of iterations,
+ *     or until EndOfMemoryError.
+ *
+ * @library /vmTestbase /test/lib
+ * @comment btree classes import nsk.sysdict.share.*
+ * @build nsk.sysdict.share.*
+ * @comment build btree.jar
+ * @run driver nsk.sysdict.share.GenClassesBuilder btree
+ * @comment build fats.jar
+ * @run driver nsk.sysdict.share.GenClassesBuilder fats
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @build nsk.sysdict.share.BTreeTest
+ * @run main/othervm
+ *      -XX:-UseGCOverheadLimit
+ *      PropertyResolvingWrapper
+ *      nsk.sysdict.share.BTreeTest
+ *      -jarpath btree.jar${path.separator}fats.jar
+ *      -t 1
+ *      -useFatClass
+ */
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/sysdict/vm/stress/btree/btree004/TEST.properties	Wed May 16 16:43:57 2018 -0700
@@ -0,0 +1,1 @@
+exclusiveAccess.dirs=.
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/sysdict/vm/stress/btree/btree004/btree004.java	Wed May 16 16:43:57 2018 -0700
@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 2017, 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
+ * @key stress
+ *
+ * @summary converted from VM Testbase nsk/sysdict/vm/stress/btree/btree004.
+ * VM Testbase keywords: [stress, sysdict, stressopt, nonconcurrent]
+ * VM Testbase readme:
+ * DESCRIPTION
+ *     Multiple threads load a tree of classes with isomorphic
+ *     tree of loaders (root loader loads root class, etc).
+ *     The test is deemed failed if loading attempt fails.
+ *     The test repeats until the given number of iterations,
+ *     or until EndOfMemoryError.
+ *
+ * @library /vmTestbase /test/lib
+ * @comment btree classes import nsk.sysdict.share.*
+ * @build nsk.sysdict.share.*
+ * @comment build btree.jar
+ * @run driver nsk.sysdict.share.GenClassesBuilder btree
+ * @comment build fats.jar
+ * @run driver nsk.sysdict.share.GenClassesBuilder fats
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @build nsk.sysdict.share.BTreeTest
+ * @run main/othervm
+ *      -XX:-UseGCOverheadLimit
+ *      PropertyResolvingWrapper
+ *      nsk.sysdict.share.BTreeTest
+ *      -jarpath btree.jar${path.separator}fats.jar
+ */
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/sysdict/vm/stress/btree/btree005/TEST.properties	Wed May 16 16:43:57 2018 -0700
@@ -0,0 +1,1 @@
+exclusiveAccess.dirs=.
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/sysdict/vm/stress/btree/btree005/btree005.java	Wed May 16 16:43:57 2018 -0700
@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 2017, 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
+ * @key stress
+ *
+ * @summary converted from VM Testbase nsk/sysdict/vm/stress/btree/btree005.
+ * VM Testbase keywords: [stress, sysdict, stressopt, nonconcurrent]
+ * VM Testbase readme:
+ * DESCRIPTION
+ *     Multiple threads load a tree of classes with signle loader.
+ *     The test is deemed failed if loading attempt fails.
+ *     The test repeats until the given number of iterations,
+ *     or until EndOfMemoryError.
+ *
+ * @library /vmTestbase /test/lib
+ * @comment btree classes import nsk.sysdict.share.*
+ * @build nsk.sysdict.share.*
+ * @comment build btree.jar
+ * @run driver nsk.sysdict.share.GenClassesBuilder btree
+ * @comment build fats.jar
+ * @run driver nsk.sysdict.share.GenClassesBuilder fats
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @build nsk.sysdict.share.BTreeTest
+ * @run main/othervm
+ *      -XX:-UseGCOverheadLimit
+ *      PropertyResolvingWrapper
+ *      nsk.sysdict.share.BTreeTest
+ *      -jarpath btree.jar${path.separator}fats.jar
+ *      -useSingleLoader
+ */
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/sysdict/vm/stress/btree/btree006/TEST.properties	Wed May 16 16:43:57 2018 -0700
@@ -0,0 +1,1 @@
+exclusiveAccess.dirs=.
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/sysdict/vm/stress/btree/btree006/btree006.java	Wed May 16 16:43:57 2018 -0700
@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 2017, 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
+ * @key stress
+ *
+ * @summary converted from VM Testbase nsk/sysdict/vm/stress/btree/btree006.
+ * VM Testbase keywords: [stress, sysdict, stressopt, nonconcurrent]
+ * VM Testbase readme:
+ * DESCRIPTION
+ *     Multiple threads load single class with a tree of loaders.
+ *     The test is deemed failed if loading attempt fails.
+ *     The test repeats until the given number of iterations,
+ *     or until EndOfMemoryError.
+ *
+ * @library /vmTestbase /test/lib
+ * @comment btree classes import nsk.sysdict.share.*
+ * @build nsk.sysdict.share.*
+ * @comment build btree.jar
+ * @run driver nsk.sysdict.share.GenClassesBuilder btree
+ * @comment build fats.jar
+ * @run driver nsk.sysdict.share.GenClassesBuilder fats
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @build nsk.sysdict.share.BTreeTest
+ * @run main/othervm
+ *      -XX:-UseGCOverheadLimit
+ *      PropertyResolvingWrapper
+ *      nsk.sysdict.share.BTreeTest
+ *      -jarpath btree.jar${path.separator}fats.jar
+ *      -useFatClass
+ */
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/sysdict/vm/stress/btree/btree007/TEST.properties	Wed May 16 16:43:57 2018 -0700
@@ -0,0 +1,1 @@
+exclusiveAccess.dirs=.
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/sysdict/vm/stress/btree/btree007/btree007.java	Wed May 16 16:43:57 2018 -0700
@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2017, 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
+ * @key stress
+ *
+ * @summary converted from VM Testbase nsk/sysdict/vm/stress/btree/btree007.
+ * VM Testbase keywords: [stress, sysdict, stressopt, nonconcurrent]
+ * VM Testbase readme:
+ * DESCRIPTION
+ *     Single thread load a tree of classes with isomorphic
+ *     tree of loaders (root loader loads root class, etc).
+ *     Then, memory stress is induced to unload the classes.
+ *     The test is deemed failed if loading attempt fails;
+ *     or if the tested VM crashes.
+ *     The test repeats until the given number of iterations,
+ *     or until a timeout.
+ *
+ * @library /vmTestbase /test/lib
+ * @comment btree classes import nsk.sysdict.share.*
+ * @build nsk.sysdict.share.*
+ * @comment build btree.jar
+ * @run driver nsk.sysdict.share.GenClassesBuilder btree
+ * @comment build fats.jar
+ * @run driver nsk.sysdict.share.GenClassesBuilder fats
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @build nsk.sysdict.share.BTreeTest
+ * @run main/othervm
+ *      -XX:-UseGCOverheadLimit
+ *      PropertyResolvingWrapper
+ *      nsk.sysdict.share.BTreeTest
+ *      -jarpath btree.jar${path.separator}fats.jar
+ *      -t 1
+ *      -stressHeap
+ */
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/sysdict/vm/stress/btree/btree008/TEST.properties	Wed May 16 16:43:57 2018 -0700
@@ -0,0 +1,1 @@
+exclusiveAccess.dirs=.
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/sysdict/vm/stress/btree/btree008/btree008.java	Wed May 16 16:43:57 2018 -0700
@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2017, 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
+ * @key stress
+ *
+ * @summary converted from VM Testbase nsk/sysdict/vm/stress/btree/btree008.
+ * VM Testbase keywords: [stress, sysdict, stressopt, nonconcurrent]
+ * VM Testbase readme:
+ * DESCRIPTION
+ *     Single thread loads a tree of classes with signle loader.
+ *     Then, memory stress is induced to unload the classes.
+ *     The test is deemed failed if loading attempt fails;
+ *     or if the tested VM crashes.
+ *     The test repeats until the given number of iterations,
+ *     or until a timeout.
+ *
+ * @library /vmTestbase /test/lib
+ * @comment btree classes import nsk.sysdict.share.*
+ * @build nsk.sysdict.share.*
+ * @comment build btree.jar
+ * @run driver nsk.sysdict.share.GenClassesBuilder btree
+ * @comment build fats.jar
+ * @run driver nsk.sysdict.share.GenClassesBuilder fats
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @build nsk.sysdict.share.BTreeTest
+ * @run main/othervm
+ *      -XX:-UseGCOverheadLimit
+ *      PropertyResolvingWrapper
+ *      nsk.sysdict.share.BTreeTest
+ *      -jarpath btree.jar${path.separator}fats.jar
+ *      -useSingleLoader
+ *      -stressHeap
+ */
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/sysdict/vm/stress/btree/btree009/TEST.properties	Wed May 16 16:43:57 2018 -0700
@@ -0,0 +1,1 @@
+exclusiveAccess.dirs=.
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/sysdict/vm/stress/btree/btree009/btree009.java	Wed May 16 16:43:57 2018 -0700
@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2017, 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
+ * @key stress
+ *
+ * @summary converted from VM Testbase nsk/sysdict/vm/stress/btree/btree009.
+ * VM Testbase keywords: [stress, sysdict, stressopt, nonconcurrent]
+ * VM Testbase readme:
+ * DESCRIPTION
+ *     Single thread loads single class with a tree of loaders.
+ *     Then, memory stress is induced to unload the classes.
+ *     The test is deemed failed if loading attempt fails;
+ *     or if the tested VM crashes.
+ *     The test repeats until the given number of iterations,
+ *     or until a timeout.
+ *
+ * @library /vmTestbase /test/lib
+ * @comment btree classes import nsk.sysdict.share.*
+ * @build nsk.sysdict.share.*
+ * @comment build btree.jar
+ * @run driver nsk.sysdict.share.GenClassesBuilder btree
+ * @comment build fats.jar
+ * @run driver nsk.sysdict.share.GenClassesBuilder fats
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @build nsk.sysdict.share.BTreeTest
+ * @run main/othervm
+ *      -XX:-UseGCOverheadLimit
+ *      PropertyResolvingWrapper
+ *      nsk.sysdict.share.BTreeTest
+ *      -jarpath btree.jar${path.separator}fats.jar
+ *      -t 1
+ *      -stressHeap
+ *      -useFatClass
+ */
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/sysdict/vm/stress/btree/btree010/TEST.properties	Wed May 16 16:43:57 2018 -0700
@@ -0,0 +1,1 @@
+exclusiveAccess.dirs=.
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/sysdict/vm/stress/btree/btree010/btree010.java	Wed May 16 16:43:57 2018 -0700
@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2017, 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
+ * @key stress
+ *
+ * @summary converted from VM Testbase nsk/sysdict/vm/stress/btree/btree010.
+ * VM Testbase keywords: [stress, sysdict, stressopt, nonconcurrent]
+ * VM Testbase readme:
+ * DESCRIPTION
+ *     Multiple threads load a tree of classes with isomorphic
+ *     tree of loaders (root loader loads root class, etc).
+ *     Then, memory stress is induced to unload the classes.
+ *     The test is deemed failed if loading attempt fails;
+ *     or if the tested VM crashes.
+ *     The test repeats until the given number of iterations,
+ *     or until a timeout.
+ *
+ * @library /vmTestbase /test/lib
+ * @comment btree classes import nsk.sysdict.share.*
+ * @build nsk.sysdict.share.*
+ * @comment build btree.jar
+ * @run driver nsk.sysdict.share.GenClassesBuilder btree
+ * @comment build fats.jar
+ * @run driver nsk.sysdict.share.GenClassesBuilder fats
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @build nsk.sysdict.share.BTreeTest
+ * @run main/othervm
+ *      -XX:-UseGCOverheadLimit
+ *      PropertyResolvingWrapper
+ *      nsk.sysdict.share.BTreeTest
+ *      -jarpath btree.jar${path.separator}fats.jar
+ *      -stressHeap
+ */
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/sysdict/vm/stress/btree/btree011/TEST.properties	Wed May 16 16:43:57 2018 -0700
@@ -0,0 +1,1 @@
+exclusiveAccess.dirs=.
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/sysdict/vm/stress/btree/btree011/btree011.java	Wed May 16 16:43:57 2018 -0700
@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2017, 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
+ * @key stress
+ *
+ * @summary converted from VM Testbase nsk/sysdict/vm/stress/btree/btree011.
+ * VM Testbase keywords: [stress, sysdict, stressopt, nonconcurrent]
+ * VM Testbase readme:
+ * DESCRIPTION
+ *     Multiple threads load a tree of classes with signle loader.
+ *     Then, memory stress is induced to unload the classes.
+ *     The test is deemed failed if loading attempt fails;
+ *     or if the tested VM crashes.
+ *     The test repeats until the given number of iterations,
+ *     or until a timeout.
+ *
+ * @library /vmTestbase /test/lib
+ * @comment btree classes import nsk.sysdict.share.*
+ * @build nsk.sysdict.share.*
+ * @comment build btree.jar
+ * @run driver nsk.sysdict.share.GenClassesBuilder btree
+ * @comment build fats.jar
+ * @run driver nsk.sysdict.share.GenClassesBuilder fats
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @build nsk.sysdict.share.BTreeTest
+ * @run main/othervm
+ *      -XX:-UseGCOverheadLimit
+ *      PropertyResolvingWrapper
+ *      nsk.sysdict.share.BTreeTest
+ *      -jarpath btree.jar${path.separator}fats.jar
+ *      -useSingleLoader
+ *      -stressHeap
+ */
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/sysdict/vm/stress/btree/btree012/TEST.properties	Wed May 16 16:43:57 2018 -0700
@@ -0,0 +1,1 @@
+exclusiveAccess.dirs=.
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/sysdict/vm/stress/btree/btree012/btree012.java	Wed May 16 16:43:57 2018 -0700
@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2017, 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
+ * @key stress
+ *
+ * @summary converted from VM Testbase nsk/sysdict/vm/stress/btree/btree012.
+ * VM Testbase keywords: [stress, sysdict, stressopt, nonconcurrent]
+ * VM Testbase readme:
+ * DESCRIPTION
+ *     Multiple threads load single class with a tree of loaders.
+ *     Then, memory stress is induced to unload the classes.
+ *     The test is deemed failed if loading attempt fails;
+ *     or if the tested VM crashes.
+ *     The test repeats until the given number of iterations,
+ *     or until a timeout.
+ *
+ * @library /vmTestbase /test/lib
+ * @comment btree classes import nsk.sysdict.share.*
+ * @build nsk.sysdict.share.*
+ * @comment build btree.jar
+ * @run driver nsk.sysdict.share.GenClassesBuilder btree
+ * @comment build fats.jar
+ * @run driver nsk.sysdict.share.GenClassesBuilder fats
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @build nsk.sysdict.share.BTreeTest
+ * @run main/othervm
+ *      -XX:-UseGCOverheadLimit
+ *      PropertyResolvingWrapper
+ *      nsk.sysdict.share.BTreeTest
+ *      -jarpath btree.jar${path.separator}fats.jar
+ *      -stressHeap
+ *      -useFatClass
+ */
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/sysdict/vm/stress/chain/chain001/TEST.properties	Wed May 16 16:43:57 2018 -0700
@@ -0,0 +1,1 @@
+exclusiveAccess.dirs=.
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/sysdict/vm/stress/chain/chain001/chain001.java	Wed May 16 16:43:57 2018 -0700
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2017, 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
+ * @key stress
+ *
+ * @summary converted from VM Testbase nsk/sysdict/vm/stress/chain/chain001.
+ * VM Testbase keywords: [stress, sysdict, stressopt, nonconcurrent]
+ * VM Testbase readme:
+ * DESCRIPTION
+ *     Single thread loads a long chain of lean classes
+ *     with a short chain of loaders (NxM load attempts).
+ *     The test is deemed failed if loading attempt fails.
+ *     The test repeats until the given number of iterations,
+ *     or until EndOfMemoryError.
+ *
+ * @library /vmTestbase /test/lib
+ * @comment build fats.jar
+ * @run driver nsk.sysdict.share.GenClassesBuilder fats
+ * @comment build leans.jar
+ * @run driver nsk.sysdict.share.GenClassesBuilder leans
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @build nsk.sysdict.share.ChainTest
+ * @run main/othervm
+ *      -XX:-UseGCOverheadLimit
+ *      PropertyResolvingWrapper
+ *      nsk.sysdict.share.ChainTest
+ *      -t 1
+ *      -jarpath leans.jar${path.separator}fats.jar
+ */
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/sysdict/vm/stress/chain/chain002/TEST.properties	Wed May 16 16:43:57 2018 -0700
@@ -0,0 +1,1 @@
+exclusiveAccess.dirs=.
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/sysdict/vm/stress/chain/chain002/chain002.java	Wed May 16 16:43:57 2018 -0700
@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 2017, 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
+ * @key stress
+ *
+ * @summary converted from VM Testbase nsk/sysdict/vm/stress/chain/chain002.
+ * VM Testbase keywords: [stress, sysdict, stressopt, nonconcurrent]
+ * VM Testbase readme:
+ * DESCRIPTION
+ *     Single thread loads a short chain of fat classes
+ *     with a long chain of loaders (NxM load attempts).
+ *     The test is deemed failed if loading attempt fails.
+ *     The test repeats until the given number of iterations,
+ *     or until EndOfMemoryError.
+ *
+ * @library /vmTestbase /test/lib
+ * @comment build fats.jar
+ * @run driver nsk.sysdict.share.GenClassesBuilder fats
+ * @comment build leans.jar
+ * @run driver nsk.sysdict.share.GenClassesBuilder leans
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @build nsk.sysdict.share.ChainTest
+ * @run main/othervm
+ *      -XX:-UseGCOverheadLimit
+ *      PropertyResolvingWrapper
+ *      nsk.sysdict.share.ChainTest
+ *      -useFatClass
+ *      -t 1
+ *      -jarpath leans.jar${path.separator}fats.jar
+ */
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/sysdict/vm/stress/chain/chain003/TEST.properties	Wed May 16 16:43:57 2018 -0700
@@ -0,0 +1,1 @@
+exclusiveAccess.dirs=.
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/sysdict/vm/stress/chain/chain003/chain003.java	Wed May 16 16:43:57 2018 -0700
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2017, 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
+ * @key stress
+ *
+ * @summary converted from VM Testbase nsk/sysdict/vm/stress/chain/chain003.
+ * VM Testbase keywords: [stress, sysdict, stressopt, nonconcurrent]
+ * VM Testbase readme:
+ * DESCRIPTION
+ *     Multiple threads load a long chain of lean classes
+ *     with a short chain of loaders (NxM threads totally).
+ *     The test is deemed failed if loading attempt fails.
+ *     The test repeats until the given number of iterations,
+ *     or until EndOfMemoryError.
+ *
+ * @library /vmTestbase /test/lib
+ * @comment build fats.jar
+ * @run driver nsk.sysdict.share.GenClassesBuilder fats
+ * @comment build leans.jar
+ * @run driver nsk.sysdict.share.GenClassesBuilder leans
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @build nsk.sysdict.share.ChainTest
+ * @run main/othervm
+ *      -XX:-UseGCOverheadLimit
+ *      -Xss2048k
+ *      PropertyResolvingWrapper
+ *      nsk.sysdict.share.ChainTest
+ *      -jarpath leans.jar${path.separator}fats.jar
+ */
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/sysdict/vm/stress/chain/chain004/TEST.properties	Wed May 16 16:43:57 2018 -0700
@@ -0,0 +1,1 @@
+exclusiveAccess.dirs=.
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/sysdict/vm/stress/chain/chain004/chain004.java	Wed May 16 16:43:57 2018 -0700
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2017, 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
+ * @key stress
+ *
+ * @summary converted from VM Testbase nsk/sysdict/vm/stress/chain/chain004.
+ * VM Testbase keywords: [stress, sysdict, stressopt, nonconcurrent]
+ * VM Testbase readme:
+ * DESCRIPTION
+ *     Multiple threads load a short chain of fat classes
+ *     with a long chain of loaders.
+ *     The test is deemed failed if loading attempt fails.
+ *     The test repeats until the given number of iterations,
+ *     or until EndOfMemoryError.
+ *
+ * @library /vmTestbase /test/lib
+ * @comment build fats.jar
+ * @run driver nsk.sysdict.share.GenClassesBuilder fats
+ * @comment build leans.jar
+ * @run driver nsk.sysdict.share.GenClassesBuilder leans
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @build nsk.sysdict.share.ChainTest
+ * @run main/othervm
+ *      -XX:-UseGCOverheadLimit
+ *      PropertyResolvingWrapper
+ *      nsk.sysdict.share.ChainTest
+ *      -useFatClass
+ *      -jarpath leans.jar${path.separator}fats.jar
+ */
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/sysdict/vm/stress/chain/chain005/TEST.properties	Wed May 16 16:43:57 2018 -0700
@@ -0,0 +1,1 @@
+exclusiveAccess.dirs=.
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/sysdict/vm/stress/chain/chain005/chain005.java	Wed May 16 16:43:57 2018 -0700
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2017, 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
+ * @key stress
+ *
+ * @summary converted from VM Testbase nsk/sysdict/vm/stress/chain/chain005.
+ * VM Testbase keywords: [stress, sysdict, stressopt, nonconcurrent]
+ * VM Testbase readme:
+ * DESCRIPTION
+ *     Single thread loads a long chain of lean classes
+ *     with a short chain of loaders (NxM load attempts).
+ *     Then, memory stress is induced to unload the classes.
+ *     The test is deemed failed if loading attempt fails;
+ *     or if the tested VM crashes.
+ *     The test repeats until the given number of iterations,
+ *     or until a timeout.
+ *
+ * @library /vmTestbase /test/lib
+ * @comment build fats.jar
+ * @run driver nsk.sysdict.share.GenClassesBuilder fats
+ * @comment build leans.jar
+ * @run driver nsk.sysdict.share.GenClassesBuilder leans
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @build nsk.sysdict.share.ChainTest
+ * @run main/othervm
+ *      -XX:-UseGCOverheadLimit
+ *      PropertyResolvingWrapper
+ *      nsk.sysdict.share.ChainTest
+ *      -stressHeap
+ *      -t 1
+ *      -jarpath leans.jar${path.separator}fats.jar
+ */
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/sysdict/vm/stress/chain/chain006/TEST.properties	Wed May 16 16:43:57 2018 -0700
@@ -0,0 +1,1 @@
+exclusiveAccess.dirs=.
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/sysdict/vm/stress/chain/chain006/chain006.java	Wed May 16 16:43:57 2018 -0700
@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2017, 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
+ * @key stress
+ *
+ * @summary converted from VM Testbase nsk/sysdict/vm/stress/chain/chain006.
+ * VM Testbase keywords: [stress, sysdict, stressopt, nonconcurrent]
+ * VM Testbase readme:
+ * DESCRIPTION
+ *     Single thread loads a short chain of fat classes
+ *     with a long chain of loaders (NxM load attempts).
+ *     Then, memory stress is induced to unload the classes.
+ *     The test is deemed failed if loading attempt fails;
+ *     or if the tested VM crashes.
+ *     The test repeats until the given number of iterations,
+ *     or until a timeout.
+ *
+ * @library /vmTestbase /test/lib
+ * @comment build fats.jar
+ * @run driver nsk.sysdict.share.GenClassesBuilder fats
+ * @comment build leans.jar
+ * @run driver nsk.sysdict.share.GenClassesBuilder leans
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @build nsk.sysdict.share.ChainTest
+ * @run main/othervm
+ *      -XX:-UseGCOverheadLimit
+ *      PropertyResolvingWrapper
+ *      nsk.sysdict.share.ChainTest
+ *      -stressHeap
+ *      -useFatClass
+ *      -t 1
+ *      -jarpath leans.jar${path.separator}fats.jar
+ */
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/sysdict/vm/stress/chain/chain007/TEST.properties	Wed May 16 16:43:57 2018 -0700
@@ -0,0 +1,1 @@
+exclusiveAccess.dirs=.
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/sysdict/vm/stress/chain/chain007/chain007.java	Wed May 16 16:43:57 2018 -0700
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2017, 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
+ * @key stress
+ *
+ * @summary converted from VM Testbase nsk/sysdict/vm/stress/chain/chain007.
+ * VM Testbase keywords: [stress, sysdict, stressopt, nonconcurrent]
+ * VM Testbase readme:
+ * DESCRIPTION
+ *     Multiple threads load a long chain of lean classes
+ *     with a short chain of loaders (NxM threads totally).
+ *     Then, memory stress is induced to unload the classes.
+ *     The test is deemed failed if loading attempt fails;
+ *     or if the tested VM crashes.
+ *     The test repeats until the given number of iterations,
+ *     or until a timeout.
+ *
+ * @library /vmTestbase /test/lib
+ * @comment build fats.jar
+ * @run driver nsk.sysdict.share.GenClassesBuilder fats
+ * @comment build leans.jar
+ * @run driver nsk.sysdict.share.GenClassesBuilder leans
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @build nsk.sysdict.share.ChainTest
+ * @run main/othervm
+ *      -XX:-UseGCOverheadLimit
+ *      PropertyResolvingWrapper
+ *      nsk.sysdict.share.ChainTest
+ *      -stressHeap
+ *      -jarpath leans.jar${path.separator}fats.jar
+ */
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/sysdict/vm/stress/chain/chain008/TEST.properties	Wed May 16 16:43:57 2018 -0700
@@ -0,0 +1,1 @@
+exclusiveAccess.dirs=.
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/sysdict/vm/stress/chain/chain008/chain008.java	Wed May 16 16:43:57 2018 -0700
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2017, 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
+ * @key stress
+ *
+ * @summary converted from VM Testbase nsk/sysdict/vm/stress/chain/chain008.
+ * VM Testbase keywords: [stress, sysdict, stressopt, nonconcurrent]
+ * VM Testbase readme:
+ * DESCRIPTION
+ *     Multiple threads load a short chain of fat classes
+ *     with a long chain of loaders (NxM threads totally).
+ *     Then, memory stress is induced to unload the classes.
+ *     The test is deemed failed if loading attempt fails;
+ *     or if the tested VM crashes.
+ *     The test repeats until the given number of iterations,
+ *     or until a timeout.
+ *
+ * @library /vmTestbase /test/lib
+ * @comment build fats.jar
+ * @run driver nsk.sysdict.share.GenClassesBuilder fats
+ * @comment build leans.jar
+ * @run driver nsk.sysdict.share.GenClassesBuilder leans
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @build nsk.sysdict.share.ChainTest
+ * @run main/othervm
+ *      -XX:-UseGCOverheadLimit
+ *      PropertyResolvingWrapper
+ *      nsk.sysdict.share.ChainTest
+ *      -stressHeap
+ *      -useFatClass
+ *      -jarpath leans.jar${path.separator}fats.jar
+ */
+
jdk-sandbox