Add passing test for #427

Author: cowtowncoder

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

@@ -3,6 +3,8 @@
 import java.util.ArrayList;
 import java.util.List;
 
+import com.fasterxml.jackson.annotation.JsonCreator;
+import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.dataformat.xml.XmlMapper;
 import com.fasterxml.jackson.dataformat.xml.XmlTestBase;
 import com.fasterxml.jackson.dataformat.xml.annotation.JacksonXmlProperty;
@@ -32,6 +34,20 @@ static class EmptyStrings25
         public String b = "NOT SET";
     }
 
+    // [dataformat-xml#427]
+    static class Stuff427 {
+        String str;
+
+        @JsonCreator(mode = JsonCreator.Mode.DELEGATING)
+        public Stuff427(String s) { str = s; }
+    }
+
+    static class Product427 {
+        Stuff427 stuff;
+
+        public Product427(@JsonProperty("stuff") Stuff427 s) { stuff = s; }
+    }
+    
     /*
     /**********************************************************
     /* Test methods
@@ -89,4 +105,16 @@ public void testEmptyStringFromElemAndAttr() throws Exception
         assertEquals("", ob.a);
         assertEquals("", ob.b);
     }
+
+    // [dataformat-xml#427]
+    public void testEmptyIssue427() throws Exception
+    {
+        String xml = "<product><stuff></stuff></product>";
+
+        Product427 product = MAPPER.readValue(xml, Product427.class);
+
+        assertNotNull(product);
+        assertNotNull(product.stuff);
+        assertEquals("", product.stuff.str);
+    }
 }