--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/javax/imageio/stream/ReadUnsignedIntTest.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 2003, 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 4949609
+ * @summary Tests that the readUnsignedInt returns the positive value
+ */
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.DataOutputStream;
+import java.io.IOException;
+
+import javax.imageio.ImageIO;
+import javax.imageio.stream.ImageInputStream;
+
+public class ReadUnsignedIntTest {
+
+    public static void main(String[] args) throws IOException {
+        ByteArrayOutputStream baos = new ByteArrayOutputStream();
+        DataOutputStream dos = new DataOutputStream(baos);
+
+        dos.writeInt(1);
+        dos.writeInt(0x7fffffff);
+        dos.writeInt(0x8fffffff);
+        dos.writeInt(0xffffffff);
+
+        dos.close();
+
+        ByteArrayInputStream bais =
+            new ByteArrayInputStream(baos.toByteArray());
+        ImageInputStream iis = ImageIO.createImageInputStream(bais);
+        for (int i=0; i<4; i++) {
+            long res = iis.readUnsignedInt();
+            if (res <= 0) {
+                throw new RuntimeException("Negative number was read: "+
+                                           Long.toString(res, 16));
+            }
+        }
+    }
+}