diff -r 7f38f014244c -r fba31e9504a1 samples/exceptions/test/org/apidesign/exceptions/trycatchredo/IOManagerTest.java
--- a/samples/exceptions/test/org/apidesign/exceptions/trycatchredo/IOManagerTest.java	Sun Feb 01 13:27:04 2009 +0100
+++ b/samples/exceptions/test/org/apidesign/exceptions/trycatchredo/IOManagerTest.java	Sun Feb 01 16:03:37 2009 +0100
@@ -3,8 +3,12 @@
 
 import java.awt.EventQueue;
 import java.awt.event.ActionEvent;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.OutputStream;
 import java.net.URL;
 import javax.swing.Action;
+import javax.swing.JOptionPane;
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
@@ -32,13 +36,86 @@
     public void simpleWrite() throws Exception {
         URL u = new URL("memory://simpleWrite.txt");
         MemoryURL.registerURL(u.toExternalForm(), "", null);
-        final Action a = IOManager.createSaveAction(u, "Ahoj");
+        final Action a = IOManager.createSaveAction(u, "Hello World!");
         EventQueue.invokeAndWait(new Runnable() {
             public void run() {
                 a.actionPerformed(new ActionEvent(this, 0, ""));
             }
         });
-        byte[] out = MemoryURL.getOutputForURL(u.toExternalForm());
-        assertEquals("Four bytes", 4, out.length);
+        String out = MemoryURL.getOutputForURL(u.toExternalForm());
+        assertEquals("Hello World!", out);
     }
+
+    @Test
+    public void writeWithAQuestion() throws Exception {
+        URL u = new URL("memory://queryEncoding.txt");
+
+        MemoryURL.registerURL(u.toExternalForm(), "", new QueryStream());
+        final Action a = IOManager.createSaveAction(u, "Ask a Question");
+        EventQueue.invokeAndWait(new Runnable() {
+            public void run() {
+                a.actionPerformed(new ActionEvent(this, 0, ""));
+            }
+        });
+        String out = MemoryURL.getOutputForURL(u.toExternalForm());
+        assertEquals("Text is reversed", "noitseuQ a ksA", out);
+    }
+
+    private static class QueryStream extends OutputStream {
+        Boolean reverse;
+        ByteArrayOutputStream arr = new ByteArrayOutputStream();
+
+        @Override
+        public synchronized void write(byte[] b, int off, int len) throws IOException {
+            if (reverse == null) {
+                throw new QueryException();
+            }
+            arr.write(b, off, len);
+        }
+
+        @Override
+        public synchronized void write(int b) throws IOException {
+            if (reverse == null) {
+                throw new QueryException();
+            }
+            arr.write(b);
+        }
+
+        @Override
+        public String toString() {
+            if (reverse == null) {
+                return "Reverse question was not answered yet!";
+            }
+            if (reverse) {
+                StringBuilder sb = new StringBuilder();
+                sb.append(arr.toString());
+                sb.reverse();
+                return sb.toString();
+            }
+            return arr.toString();
+        }
+
+        private class QueryException extends UserQuestionException {
+            @Override
+            public JOptionPane getQuestionPane() {
+                JOptionPane p = new JOptionPane("Store in reverse way?");
+                p.setOptionType(JOptionPane.YES_NO_CANCEL_OPTION);
+                return p;
+            }
+
+            @Override
+            public void confirm(Object option) {
+                if (option.equals(JOptionPane.YES_OPTION)) {
+                    reverse = Boolean.TRUE;
+                    return;
+                }
+                if (option.equals(JOptionPane.NO_OPTION)) {
+                    reverse = Boolean.FALSE;
+                    return;
+                }
+            }
+        } // end of QueryException
+    } // end of QueryStream
+
+
 }
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