--- /dev/null	2013-03-06 13:58:44.561061889 +0400
+++ new/test/java/nio/channels/FileChannel/fileLockFailsFileChannelClose_R3919542.java	2013-03-06 14:14:55.965356335 +0400
@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2011, 2013, 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.
+ */
+
+/*
+ @test
+ @summary <rdar://problem/3919542>
+ @summary FileChannel.close() fails with a IOException if a FileLock was aquired using that channel and it wasn't released yet.
+ @summary com.apple.junit.java.vm
+ @run junit fileLockFailsFileChannelClose_R3919542
+ */
+import junit.framework.*;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.nio.channels.FileChannel;
+import java.nio.channels.FileLock;
+
+public class fileLockFailsFileChannelClose_R3919542 extends TestCase {
+    public void testfileLockFailsFileChannelClose_R3919542() throws Exception {
+        File file = File.createTempFile("test", "");
+        file.deleteOnExit();
+        FileOutputStream out = new FileOutputStream(file);
+        FileChannel channel = out.getChannel();
+        FileLock lock = channel.lock();
+        assertNotNull(lock);
+        //lock.release();
+        channel.close();
+    }
+
+    public static Test suite() {
+        return new TestSuite(fileLockFailsFileChannelClose_R3919542.class);
+    }
+
+    public static void main (String[] args) throws RuntimeException {
+        TestResult tr = junit.textui.TestRunner.run(suite());
+        if((tr.errorCount() != 0) || (tr.failureCount() != 0)) {
+            throw new RuntimeException("### Unexpected JUnit errors or failures.");
+        }
+    }
+}