--- /dev/null	2017-05-22 14:23:51.000000000 -0700
+++ new/test/javax/imageio/stream/BitPadding.java	2017-05-22 14:23:51.000000000 -0700
@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2001, 2017, 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
+ * @bug 4430395
+ * @summary Checks if write(int) properly pads unwritten bits with zeros
+ */
+
+import java.io.ByteArrayOutputStream;
+import java.io.File;
+import java.io.IOException;
+import java.io.OutputStream;
+
+import javax.imageio.stream.FileCacheImageOutputStream;
+
+public class BitPadding {
+
+    public static void main(String[] args) throws IOException {
+        OutputStream ostream = new ByteArrayOutputStream();
+        File f = null;
+        FileCacheImageOutputStream fcios =
+            new FileCacheImageOutputStream(ostream, f);
+        fcios.writeBit(1);
+        fcios.write(96);
+
+        fcios.seek(0);
+        int r1 = fcios.read();
+        if (r1 != 128 ) {
+            throw new RuntimeException("Failed, first byte is " + r1);
+        }
+
+        int r2 = fcios.read();
+        if (r2 != 96) {
+            throw new RuntimeException("Failed, second byte is " + r2);
+        }
+    }
+}