Add failing test for #1215

src/main/java/com/fasterxml/jackson/databind/ObjectMapper.java

@@ -3817,7 +3817,7 @@ protected Object _readMapAndClose(JsonParser jp, JavaType valueType)
             } catch (IOException ioe) { }
         }
     }
-    
+
     /**
      * Method called to ensure that given parser is ready for reading
      * content for data binding.

src/main/java/com/fasterxml/jackson/databind/type/MapType.java

@@ -119,7 +119,7 @@ public MapType withKeyType(JavaType keyType) {
         return new MapType(_class, _bindings, _superClass, _superInterfaces,
                 keyType, _valueType, _valueHandler, _typeHandler, _asStatic);
     }
-    
+
     @Override
     public JavaType refine(Class<?> rawType, TypeBindings bindings,
             JavaType superClass, JavaType[] superInterfaces) {

src/test/java/com/fasterxml/jackson/failing/TypeRefinementForMap1215Test.java

@@ -0,0 +1,108 @@
+package com.fasterxml.jackson.failing;
+
+import java.util.LinkedHashMap;
+import java.util.Map;
+
+import com.fasterxml.jackson.annotation.JsonCreator;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.databind.BaseMapTest;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
+
+public class TypeRefinementForMap1215Test extends BaseMapTest
+{
+    interface HasUniqueId<K> {
+        K getId();
+        String getIdFieldName();
+    }
+    interface AnotherMap<K, V extends HasUniqueId<K>> extends Map<K, V> {
+        public void add(V v);
+    }
+
+    static class Item implements HasUniqueId<String>
+    {
+        public String id;
+        public String property;
+
+        @Override
+        public String getId() { return id; }
+
+        @Override
+        public String getIdFieldName() {
+            return "id";
+        }
+    }
+
+    static class Data
+    {
+        public String id;
+
+        @JsonProperty
+        private Map<String, Item> items;
+
+        public Data() { }
+
+        public Map<String, Item> getItems() {
+            return items;
+        }
+
+        @JsonDeserialize(as = MyHashMap.class)
+        public void setItems(Map<String, Item> items) {
+            this.items = items;
+        }
+    }
+
+    @SuppressWarnings("serial")
+    static class MyHashMap<K, V extends HasUniqueId<K>>
+        extends LinkedHashMap<K, V>
+        implements AnotherMap<K, V>
+    {
+        @JsonCreator
+        public static <K, V extends HasUniqueId<K>> MyHashMap<K, V> fromArray(V[] values) {
+            MyHashMap<K, V> map = new MyHashMap<K, V>();
+            for (int i = 0; i < values.length; i++) {
+                V v = values[i];
+                if (v.getId() == null) {
+                    throw new RuntimeException("Failed to get id");
+                }
+                if (map.containsKey(v.getId())) {
+                    throw new RuntimeException("Conflict on id");
+                }
+                map.put(v.getId(), v);
+            }
+            return map;
+        }
+
+        public MyHashMap() { }
+
+        @Override
+        public void add(V v) {
+            if (containsKey(v.getId())) {
+                throw new RuntimeException("Conflict on add of id");
+            }
+            put(v.getId(), v);
+        }
+    }
+
+    /*
+    /*******************************************************
+    /* Test methods
+    /*******************************************************
+     */
+
+    public void testMapRefinement() throws Exception
+    {
+        String ID1 = "3a6383d4-8123-4c43-8b8d-7cedf3e59404";
+        String ID2 = "81c3d978-90c4-4b00-8da1-1c39ffcab02c";
+        String json = aposToQuotes(
+"{'id':'"+ID1+"','items':[{'id':'"+ID2+"','property':'value'}]}");
+
+        ObjectMapper m = new ObjectMapper();
+        Data data = m.readValue(json, Data.class);
+
+        assertEquals(ID1, data.id);
+        assertNotNull(data.items);
+        assertEquals(1, data.items.size());
+        assertEquals(ID2, data.items.get(0).id);
+    }
+}