--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/javax/sound/midi/Track/TrackAddSameTick.java	Mon Oct 31 14:50:09 2016 +0300
@@ -0,0 +1,97 @@
+/*
+ * Copyright (c) 2003, 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.
+ */
+
+import javax.sound.midi.MidiEvent;
+import javax.sound.midi.Sequence;
+import javax.sound.midi.ShortMessage;
+import javax.sound.midi.Track;
+
+/**
+ * @test
+ * @bug 4941944
+ * @summary Track may not have a determined order for inserting events at same
+ *          tick time
+ */
+public class TrackAddSameTick {
+
+    static boolean failed = false;
+    static MidiEvent[] evs = new MidiEvent[10];
+
+    public static void main(String argv[]) throws Exception {
+        Sequence seq = new Sequence(Sequence.PPQ, 240);
+        Track t = seq.createTrack();
+
+        log("add 10 events in random order");
+        t.add(createEvent(10, 5));
+        t.add(createEvent(0, 0));
+        t.add(createEvent(10, 6));
+        t.add(createEvent(11, 8));
+        t.add(createEvent(10, 7));
+        t.add(createEvent(0, 1));
+        t.add(createEvent(0, 2));
+        t.add(createEvent(15, 9));
+        t.add(createEvent(0, 3));
+        t.add(createEvent(1, 4));
+
+        // now compare the events.
+        // The note param will tell us the
+        // the expected position
+        long lastTick = 0;
+        for (int i = 0; i < t.size(); i++) {
+            MidiEvent ev = t.get(i);
+            if (ev.getMessage() instanceof ShortMessage) {
+                ShortMessage msg = (ShortMessage) ev.getMessage();
+                log(""+i+": ShortMessage at tick "+ev.getTick()
+                    +" with expected position "+msg.getData1());
+                if (ev.getTick() < lastTick) {
+                    log("  FAILED: last tick is larger than this event's tick!");
+                    failed = true;
+                }
+                if (i != msg.getData1()) {
+                    log("  FAILED: Track did not order correctly.");
+                    failed = true;
+                }
+            }
+        }
+
+        if (failed) throw new Exception("Test FAILED!");
+        log("Test passed.");
+    }
+
+    public static MidiEvent createEvent(long tick, int expectedPos)
+        throws Exception {
+        ShortMessage msg = new ShortMessage();
+        msg.setMessage(0x90, (int) expectedPos, 00);
+        MidiEvent ev = new MidiEvent(msg, tick);
+        return ev;
+    }
+
+    public static void log(String s) {
+        System.out.println(s);
+    }
+
+    public static void log(Exception e) {
+        //System.out.println(s);
+        e.printStackTrace();
+    }
+}