--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/tools/pack200/Pack200Test.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,140 @@
+/*
+ * Copyright (c) 2007, 2016, 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
+  * @bug 6521334 6712743 8007902 8151901
+  * @requires (sun.arch.data.model == "64" & os.maxMemory >= 4g)
+  * @summary test general packer/unpacker functionality
+  *          using native and java unpackers
+  * @compile -XDignore.symbol.file Utils.java Pack200Test.java
+  * @run main/othervm/timeout=1200 -Xmx1280m -Xshare:off Pack200Test
+  */
+
+import java.util.*;
+import java.io.*;
+import java.lang.management.ManagementFactory;
+import java.lang.management.MemoryMXBean;
+import java.util.jar.*;
+
+/**
+ * Tests the packing/unpacking via the APIs.
+ */
+public class Pack200Test {
+
+    private static ArrayList <File> jarList = new ArrayList<File>();
+    static final MemoryMXBean mmxbean = ManagementFactory.getMemoryMXBean();
+    static final long m0 = getUsedMemory();
+    static final int LEAK_TOLERANCE = 21000; // OS and GC related variations.
+    // enable leak checks only if required, GC charecteristics vary on
+    // platforms and this may not yield consistent results
+    static final boolean LEAK_CHECK = Boolean.getBoolean("Pack200Test.enableLeakCheck");
+
+    /** Creates a new instance of Pack200Test */
+    private Pack200Test() {}
+
+    static long getUsedMemory() {
+        mmxbean.gc();
+        mmxbean.gc();
+        mmxbean.gc();
+        return mmxbean.getHeapMemoryUsage().getUsed()/1024;
+    }
+
+    private static void leakCheck() throws Exception {
+        if (!LEAK_CHECK)
+            return;
+        long diff = getUsedMemory() - m0;
+        System.out.println("  Info: memory diff = " + diff + "K");
+        if (diff > LEAK_TOLERANCE) {
+            throw new Exception("memory leak detected " + diff);
+        }
+    }
+
+    private static void doPackUnpack() throws IOException {
+        for (File in : jarList) {
+            JarOutputStream javaUnpackerStream = null;
+            JarOutputStream nativeUnpackerStream = null;
+            JarFile jarFile = null;
+            try {
+                jarFile = new JarFile(in);
+
+                // Write out to a jtreg scratch area
+                File packFile = new File(in.getName() + Utils.PACK_FILE_EXT);
+
+                System.out.println("Packing [" + in.toString() + "]");
+                // Call the packer
+                Utils.pack(jarFile, packFile);
+                System.out.println("Done Packing [" + in.toString() + "]");
+                jarFile.close();
+                System.out.println("Start leak check");
+                leakCheck();
+
+                System.out.println("  Unpacking using java unpacker");
+                File javaUnpackedJar = new File("java-" + in.getName());
+                // Write out to current directory, jtreg will setup a scratch area
+                javaUnpackerStream = new JarOutputStream(
+                        new FileOutputStream(javaUnpackedJar));
+                Utils.unpackj(packFile, javaUnpackerStream);
+                javaUnpackerStream.close();
+                System.out.println("  Testing...java unpacker");
+                leakCheck();
+                // Ok we have unpacked the file, lets test it.
+                Utils.doCompareVerify(in.getAbsoluteFile(), javaUnpackedJar);
+
+                System.out.println("  Unpacking using native unpacker");
+                // Write out to current directory
+                File nativeUnpackedJar = new File("native-" + in.getName());
+                nativeUnpackerStream = new JarOutputStream(
+                        new FileOutputStream(nativeUnpackedJar));
+                Utils.unpackn(packFile, nativeUnpackerStream);
+                nativeUnpackerStream.close();
+                System.out.println("  Testing...native unpacker");
+                leakCheck();
+                // the unpackers (native and java) should produce identical bits
+                // so we use use bit wise compare, the verification compare is
+                // very expensive wrt. time.
+                Utils.doCompareBitWise(javaUnpackedJar, nativeUnpackedJar);
+                System.out.println("Done.");
+            } catch (Exception e) {
+                throw new RuntimeException(e);
+            } finally {
+                Utils.close(nativeUnpackerStream);
+                Utils.close(javaUnpackerStream);
+                Utils.close((Closeable) jarFile);
+            }
+        }
+        Utils.cleanup(); // cleanup artifacts, if successful run
+    }
+
+    /**
+     * @param args the command line arguments
+     */
+    public static void main(String[] args) throws Exception {
+        // select the jars carefully, adding more jars will increase the
+        // testing time, especially for jprt.
+        jarList.add(Utils.createRtJar());
+        jarList.add(Utils.getGoldenJar());
+        System.out.println(jarList);
+        doPackUnpack();
+    }
+}