--- /dev/null	2016-10-24 21:41:42.000000000 +0300
+++ new/test/javax/sound/sampled/spi/AudioFileWriter/WriteAuUnspecifiedLength.java	2016-10-24 21:41:42.000000000 +0300
@@ -0,0 +1,47 @@
+/*
+ * 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 java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.InputStream;
+
+import javax.sound.sampled.AudioFileFormat;
+import javax.sound.sampled.AudioFormat;
+import javax.sound.sampled.AudioInputStream;
+import javax.sound.sampled.AudioSystem;
+
+/**
+ * @test
+ * @bug 4351296
+ * @summary Cannot write AudioInputStream with unspecified length
+ */
+public class WriteAuUnspecifiedLength {
+
+    public static void main(String argv[]) throws Exception {
+        AudioFormat format = new AudioFormat(44100, 16, 2, true, true);
+        InputStream is = new ByteArrayInputStream(new byte[1000]);
+        AudioInputStream ais = new AudioInputStream(is, format, AudioSystem.NOT_SPECIFIED);
+        AudioSystem.write(ais, AudioFileFormat.Type.AU, new ByteArrayOutputStream());
+        System.out.println("Test passed.");
+    }
+}