--- /dev/null	2016-10-24 21:41:17.000000000 +0300
+++ new/test/javax/sound/sampled/Lines/ChangingBuffer.java	2016-10-24 21:41:17.000000000 +0300
@@ -0,0 +1,165 @@
+/*
+ * 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.sampled.AudioFormat;
+import javax.sound.sampled.AudioSystem;
+import javax.sound.sampled.Clip;
+import javax.sound.sampled.DataLine;
+import javax.sound.sampled.Mixer;
+import javax.sound.sampled.SourceDataLine;
+
+/**
+ * @test
+ * @bug 4515126
+ * @summary Verify that the buffer passed to SourceDataLine.write() and
+ *          Clip.open() will not be changed
+ */
+public class ChangingBuffer {
+
+    final static int samplerate = 44100;
+    final static byte[] buffer = new byte[16384];
+    static int successfulTests = 0;
+
+    private static void makeBuffer() {
+        for (int i=0; i<buffer.length; i++) {
+            buffer[i] = (byte) (i % 128);
+        }
+    }
+
+    private static void checkBufferSDL() throws Exception {
+        successfulTests++;
+        for (int i=0; i<buffer.length; i++) {
+            if (buffer[i] != ((byte) (i % 128))) {
+                throw new Exception("Buffer was changed by SourceDataLine.write()!. Test FAILED");
+            }
+        }
+        System.out.println("  -> passed for this line");
+        System.out.println("");
+    }
+
+    private static void checkBufferClip() throws Exception {
+        for (int i=0; i<buffer.length; i++) {
+            if (buffer[i] != (i % 128)) {
+                throw new Exception("Buffer was changed by Clip.open()!. Test FAILED");
+            }
+        }
+        System.out.println("  -> passed for this clip");
+        System.out.println("");
+    }
+
+    private static boolean doMixerClip(Mixer mixer, AudioFormat format) {
+        if (mixer==null) return false;
+        try {
+            System.out.println("Trying mixer "+mixer+":");
+                DataLine.Info info = new DataLine.Info(
+                                          Clip.class,
+                                          format,
+                                          (int) samplerate);
+
+                Clip clip = (Clip) mixer.getLine(info);
+            System.out.println("  - got clip: "+clip);
+            System.out.println("  - open with format "+format);
+            clip.open(format, buffer, 0, buffer.length);
+            System.out.println("  - playing...");
+            clip.start();
+            System.out.println("  - waiting while it's active...");
+            while (clip.isActive())
+                    Thread.sleep(100);
+            System.out.println("  - waiting 100millis");
+            Thread.sleep(100);
+            System.out.println("  - drain1");
+            clip.drain();
+            System.out.println("  - drain2");
+            clip.drain();
+            System.out.println("  - stop");
+            clip.stop();
+            System.out.println("  - close");
+            clip.close();
+            System.out.println("  - closed");
+        } catch (Throwable t) {
+            System.out.println("  - Caught exception. Not failed.");
+            System.out.println("  - "+t.toString());
+            return false;
+        }
+        return true;
+    }
+
+    private static boolean doMixerSDL(Mixer mixer, AudioFormat format) {
+        if (mixer==null) return false;
+        try {
+            System.out.println("Trying mixer "+mixer+":");
+                DataLine.Info info = new DataLine.Info(
+                                          SourceDataLine.class,
+                                          format,
+                                          (int) samplerate);
+
+                SourceDataLine sdl = (SourceDataLine) mixer.getLine(info);
+            System.out.println("  - got sdl: "+sdl);
+            System.out.println("  - open with format "+format);
+            sdl.open(format);
+            System.out.println("  - start...");
+            sdl.start();
+            System.out.println("  - write...");
+            sdl.write(buffer, 0, buffer.length);
+            Thread.sleep(200);
+            System.out.println("  - drain...");
+            sdl.drain();
+            System.out.println("  - stop...");
+            sdl.stop();
+            System.out.println("  - close...");
+            sdl.close();
+            System.out.println("  - closed");
+        } catch (Throwable t) {
+            System.out.println("  - Caught exception. Not failed.");
+            System.out.println("  - "+t.toString());
+            return false;
+        }
+        return true;
+    }
+
+    private static void doAll(boolean bigEndian) throws Exception {
+        AudioFormat pcm = new AudioFormat(
+                            AudioFormat.Encoding.PCM_SIGNED,
+                            samplerate, 16, 1, 2, samplerate, bigEndian);
+            Mixer.Info[] mixers = AudioSystem.getMixerInfo();
+            for (int i=0; i<mixers.length; i++) {
+                Mixer mixer = AudioSystem.getMixer(mixers[i]);
+                makeBuffer(); if (doMixerClip(mixer, pcm)) checkBufferClip();
+                makeBuffer(); if (doMixerSDL(mixer, pcm)) checkBufferSDL();
+            }
+            if (mixers.length==0) {
+                System.out.println("No mixers available!");
+            }
+
+    }
+
+    public static void main(String args[]) throws Exception{
+        doAll(true);
+        doAll(false);
+        if (successfulTests==0) {
+            System.out.println("Could not execute any of the tests. Test NOT failed.");
+        } else {
+            System.out.println("Test PASSED.");
+        }
+    }
+}