--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/javax/sound/sampled/Clip/Duration/ClipDuration.java	Mon Oct 31 14:50:09 2016 +0300
@@ -0,0 +1,131 @@
+/*
+ * Copyright (c) 2001, 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 java.io.ByteArrayInputStream;
+
+import javax.sound.sampled.AudioFormat;
+import javax.sound.sampled.AudioInputStream;
+import javax.sound.sampled.AudioSystem;
+import javax.sound.sampled.Clip;
+import javax.sound.sampled.DataLine;
+import javax.sound.sampled.LineUnavailableException;
+import javax.sound.sampled.Mixer;
+
+/**
+ * @test
+ * @bug 4237703
+ * @summary Check that Clip.getMicrosecondLength() returns correct value.
+ */
+public class ClipDuration {
+
+    public static int run(Mixer m) {
+        int res=1; // failed
+        int frameCount = 441000; // lets say 10 seconds
+        AudioFormat f = new AudioFormat(44100.0f, 16, 2, true, false);
+        AudioInputStream audioInputStream =
+            new AudioInputStream(new ByteArrayInputStream(new byte[frameCount * f.getFrameSize()]),
+                                 f, frameCount);
+        AudioFormat     format = audioInputStream.getFormat();
+        Clip m_clip = null;
+        try {
+            if (m == null) {
+                m_clip = (Clip) AudioSystem.getClip();
+            } else {
+                DataLine.Info   info = new DataLine.Info(Clip.class, format, AudioSystem.NOT_SPECIFIED);
+                m_clip = (Clip) m.getLine(info);
+            }
+            System.out.println("Got clip: "+m_clip);
+            m_clip.open(audioInputStream);
+            long microseconds=m_clip.getMicrosecondLength();
+            System.out.println("getFrameLength()="+m_clip.getFrameLength()+" frames");
+            System.out.println("getMicrosecondLength()="+microseconds+" us");
+            if (Math.abs(microseconds-10000000)<50) {
+                System.out.println("->Clip OK");
+                res=0; // passes if less than 50us error
+            }
+        } catch (LineUnavailableException luae) {
+            System.err.println(luae);
+            res = 3; // line not available, test not failed
+        } catch (Throwable t) {
+            System.out.println("->Exception:"+t);
+            t.printStackTrace();
+            res=2; // exception
+        }
+        if (m_clip != null) {
+            m_clip.close();
+        }
+        return res;
+    }
+
+
+
+    public static void main(String[] args) throws Exception     {
+        if (isSoundcardInstalled()) {
+            int res=3;
+            res = run(null);
+            Mixer.Info[] infos = AudioSystem.getMixerInfo();
+            for (int i = 0; i<infos.length; i++) {
+                try {
+                        Mixer m = AudioSystem.getMixer(infos[i]);
+                        int r = run(m);
+                        if (r == 1) res = 1;
+                } catch (Exception e) {
+                }
+            }
+            if (res!=1) {
+                System.out.println("Test passed");
+            } else {
+                if (res==2) {
+                    System.err.println("Test could not execute: test threw unexpected Exception.");
+                    throw new Exception("Test threw exception");
+                }
+                else if (res==3) {
+                    System.err.println("Test could not execute: please install an audio device");
+                    return;
+                }
+                throw new Exception("Test returned wrong length");
+            }
+        }
+    }
+
+    /**
+     * Returns true if at least one soundcard is correctly installed
+     * on the system.
+     */
+    public static boolean isSoundcardInstalled() {
+        boolean result = false;
+        try {
+            Mixer.Info[] mixers = AudioSystem.getMixerInfo();
+            if (mixers.length > 0) {
+                result = AudioSystem.getSourceDataLine(null) != null;
+            }
+        } catch (Exception e) {
+            System.err.println("Exception occured: "+e);
+        }
+        if (!result) {
+            System.err.println("Soundcard does not exist or sound drivers not installed!");
+            System.err.println("This test requires sound drivers for execution.");
+        }
+        return result;
+    }
+}