--- /dev/null	2016-01-18 10:06:43.462756840 +0300
+++ new/test/gc/g1/plab/lib/AppPLABPromotion.java	2016-01-19 19:38:42.262229248 +0300
@@ -0,0 +1,85 @@
+/*
+ * Copyright (c) 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.
+ */
+package gc.g1.plab.lib;
+
+import sun.hotspot.WhiteBox;
+
+/**
+ * This application is part of PLAB promotion test.
+ * The application fills a part of young gen with a number of small objects.
+ * Then it calls young GC twice to promote objects from eden to survivor, and from survivor to old.
+ * The test which running the application is responsible to set up test parameters
+ * and VM flags including flags turning GC logging on. The test will then check the produced log.
+ */
+final public class AppPLABPromotion {
+
+    private final static WhiteBox WHITE_BOX = WhiteBox.getWhiteBox();
+
+    /**
+     * AppPLABPromotion is used for testing PLAB promotion.
+     * Expects the following properties to be set:
+     * - chunk.size - size of one object (byte array)
+     * - mem.to.fill - amount of memory to be consumed
+     * - reachable - memory should be consumed by live or dead objects
+     *
+     * @param args
+     */
+    public static void main(String[] args) {
+        long chunkSize = Long.getLong("chunk.size");
+        long memToFill = Long.getLong("mem.to.fill");
+        boolean reachable = Boolean.getBoolean("reachable");
+        if (chunkSize == 0) {
+            throw new IllegalArgumentException("Chunk size must be not 0");
+        }
+        if (memToFill <= 0) {
+            throw new IllegalArgumentException("mem.to.fill property should be above 0");
+        }
+        // Fill requested amount of memory
+        allocate(reachable, memToFill, chunkSize);
+        // Promote all allocated objects from Eden to Survivor
+        WHITE_BOX.youngGC();
+        // Promote all allocated objects from Survivor to Old
+        WHITE_BOX.youngGC();
+    }
+
+    /**
+     *
+     * @param reachable - should allocate reachable object
+     * @param memSize - Memory to fill
+     * @param chunkSize - requested bytes per objects.
+     * Actual size of bytes per object will be greater
+     */
+    private static void allocate(boolean reachable, long memSize, long chunkSize) {
+        long realSize = WHITE_BOX.getObjectSize(new byte[(int) chunkSize]);
+        int items = (int) ((memSize - 1) / (realSize)) + 1;
+        MemoryConsumer storage;
+        if (reachable) {
+            storage = new MemoryConsumer(items, (int) chunkSize);
+        } else {
+            storage = new MemoryConsumer(1, (int) chunkSize);
+        }
+        // Make all young gen available.
+        WHITE_BOX.fullGC();
+        storage.consume(items * chunkSize);
+    }
+}