Add a failing test for #1300

Author: cowtowncoder

src/test/java/com/fasterxml/jackson/databind/module/TestAbstractTypes.java

@@ -9,12 +9,6 @@
 
 public class TestAbstractTypes extends BaseMapTest
 {
-    /*
-    /**********************************************************
-    /* Helper classes; simple beans and their handlers
-    /**********************************************************
-     */
-
     static class MyString implements CharSequence
     {
         protected String value;
@@ -34,10 +28,10 @@ public int length() {
         @Override
         public CharSequence subSequence(int arg0, int arg1) { return this; }
     }
-    
+
     /*
     /**********************************************************
-    /* Unit tests
+    /* Test methods
     /**********************************************************
      */
 

src/test/java/com/fasterxml/jackson/failing/PolymorphicWithCustomDeser1300Test.java

@@ -0,0 +1,57 @@
+package com.fasterxml.jackson.failing;
+
+import java.io.IOException;
+
+import com.fasterxml.jackson.annotation.*;
+
+import com.fasterxml.jackson.core.*;
+
+import com.fasterxml.jackson.databind.*;
+import com.fasterxml.jackson.databind.deser.std.StdDeserializer;
+import com.fasterxml.jackson.databind.module.SimpleModule;
+
+public class PolymorphicWithCustomDeser1300Test extends BaseMapTest
+{
+    // [databind#1300]
+    @JsonTypeInfo(use = JsonTypeInfo.Id.NAME,
+            include = JsonTypeInfo.As.PROPERTY, property = "type")
+    @JsonSubTypes({
+            @JsonSubTypes.Type(value = T1.class, name = "T1")
+    })
+    interface Type1300 {}
+
+    @JsonTypeName("T1")
+    static class T1 implements Type1300 {
+        public int v;
+    }
+
+    /*
+    /**********************************************************
+    /* Test methods
+    /**********************************************************
+     */
+
+    // [databind#1300]
+    @SuppressWarnings("serial")
+    public void testDeserForPolymorphicBaseType() throws Exception
+    {
+        ObjectMapper mapper = new ObjectMapper();
+        SimpleModule mod = new SimpleModule("test", Version.unknownVersion());
+        mod.addDeserializer(Type1300.class,
+                new StdDeserializer<Type1300>(Type1300.class) {
+                    @Override
+                    public Type1300 deserialize(JsonParser p,
+                            DeserializationContext ctxt) throws IOException
+                    {
+                        T1 result = new T1();
+                        JsonNode n = ctxt.readValue(p, JsonNode.class);
+                        result.v = n.path("value").asInt();
+                        return result;
+                    }
+        });
+        Type1300 result = mapper.readValue("{\"value\":3, \"type\":\"bogus\"}", Type1300.class);
+        assertEquals(T1.class, result.getClass());
+        assertEquals(3, ((T1) result).v);
+    }
+
+}