--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/nio/charset/coders/IOCoders.java	Wed Jan 27 19:39:55 2010 -0800
@@ -0,0 +1,103 @@
+/*
+ * Copyright 2010 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+/* @test
+ * @summary Unit test for ISR/OSW constructors that take coders
+ */
+
+import java.io.*;
+import java.nio.*;
+import java.nio.charset.*;
+
+
+public class IOCoders {
+
+    static Charset ascii = Charset.forName("US-ASCII");
+
+    static void isrPositive() throws Exception {
+        ByteArrayInputStream bis
+            = new ByteArrayInputStream(new byte[] { (byte)'h', (byte)'i' });
+        InputStreamReader isr
+            = new InputStreamReader(bis,
+                                    ascii.newDecoder()
+                                    .onMalformedInput(CodingErrorAction.REPORT)
+                                    .onUnmappableCharacter(CodingErrorAction.REPORT));
+        BufferedReader br = new BufferedReader(isr);
+        if (!br.readLine().equals("hi"))
+            throw new Exception();
+    }
+
+    static void isrNegative() throws Exception {
+        ByteArrayInputStream bis
+            = new ByteArrayInputStream(new byte[] { (byte)0xff, (byte)0xff });
+        InputStreamReader isr
+            = new InputStreamReader(bis,
+                                    ascii.newDecoder()
+                                    .onMalformedInput(CodingErrorAction.REPORT)
+                                    .onUnmappableCharacter(CodingErrorAction.REPORT));
+        BufferedReader br = new BufferedReader(isr);
+        try {
+            br.readLine();
+        } catch (MalformedInputException x) {
+            return;
+        }
+        throw new Exception();
+    }
+
+    static void oswPositive() throws Exception {
+        ByteArrayOutputStream bos = new ByteArrayOutputStream();
+        OutputStreamWriter osw
+            = new OutputStreamWriter(bos,
+                                     ascii.newEncoder()
+                                     .onMalformedInput(CodingErrorAction.REPORT)
+                                     .onUnmappableCharacter(CodingErrorAction.REPORT));
+        osw.write("hi");
+        osw.close();
+        if (!ascii.decode(ByteBuffer.wrap(bos.toByteArray()))
+            .toString().equals("hi"))
+            throw new Exception();
+    }
+
+    static void oswNegative() throws Exception {
+        ByteArrayOutputStream bos = new ByteArrayOutputStream();
+        OutputStreamWriter osw
+            = new OutputStreamWriter(bos,
+                                     ascii.newEncoder()
+                                     .onMalformedInput(CodingErrorAction.REPORT)
+                                     .onUnmappableCharacter(CodingErrorAction.REPORT));
+        try {
+            osw.write("\u00A0\u00A1");
+        } catch (UnmappableCharacterException x) {
+            return;
+        }
+        throw new Exception();
+    }
+
+    public static void main(String[] args) throws Exception {
+        isrPositive();
+        isrNegative();
+        oswPositive();
+        oswNegative();
+    }
+
+}