Fix #250

Author: cowtowncoder

src/test/java/com/fasterxml/jackson/dataformat/xml/deser/EmptyStringValueTest.java

@@ -22,10 +22,10 @@ public Name(String f, String l) {
     static class Names {
         public List<Name> names = new ArrayList<Name>();
     }
-    
+
     /*
     /**********************************************************
-    /* Unit tests
+    /* Test methods
     /**********************************************************
      */
 

src/test/java/com/fasterxml/jackson/dataformat/xml/deser/ExceptionDeserializationTest.java

@@ -0,0 +1,27 @@
+package com.fasterxml.jackson.dataformat.xml.deser;
+
+import java.io.IOException;
+
+import com.fasterxml.jackson.dataformat.xml.XmlMapper;
+import com.fasterxml.jackson.dataformat.xml.XmlTestBase;
+
+public class ExceptionDeserializationTest extends XmlTestBase
+{
+    /*
+    /**********************************************************
+    /* Test methods
+    /**********************************************************
+     */
+
+    private final XmlMapper MAPPER = new XmlMapper();
+
+    // [dataformat-xml#250]
+    public void testEmptyString162() throws Exception
+    {
+        IOException src = new IOException("test");
+        String xml = MAPPER.writeValueAsString(src);
+        IOException e = MAPPER.readValue(xml, IOException.class);
+        assertNotNull(e);
+        assertEquals("test", e.getMessage());
+    }
+}