add failing test for #1429

src/test/java/com/fasterxml/jackson/databind/deser/TestMapDeserialization.java

@@ -57,7 +57,7 @@ public static KeyType create(String v) {
         }
     }
 
-    // Issue #142
+    // [databind#142]
     public static class EnumMapContainer {
         @JsonTypeInfo(use=JsonTypeInfo.Id.CLASS, include=JsonTypeInfo.As.PROPERTY, property="@class")
         public EnumMap<KeyEnum,ITestType> testTypes;

src/test/java/com/fasterxml/jackson/failing/KeyDeser1429Test.java

@@ -0,0 +1,48 @@
+package com.fasterxml.jackson.failing;
+
+import java.util.Map;
+
+import com.fasterxml.jackson.annotation.JsonCreator;
+import com.fasterxml.jackson.annotation.JsonValue;
+import com.fasterxml.jackson.core.type.TypeReference;
+import com.fasterxml.jackson.databind.*;
+
+public class KeyDeser1429Test extends BaseMapTest
+{
+    static class FullName {
+        private String _firstname, _lastname;
+
+        private FullName(String firstname, String lastname) {
+            _firstname = firstname;
+            _lastname = lastname;
+        }
+
+        @JsonCreator
+        public static FullName valueOf(String value) {
+            String[] mySplit = value.split("\\.");
+            return new FullName(mySplit[0], mySplit[1]);
+        }
+
+        public static FullName valueOf(String firstname, String lastname) {
+            return new FullName(firstname, lastname);
+        }
+
+        @JsonValue
+        @Override
+        public String toString() {
+            return _firstname + "." + _lastname;
+        }
+    }
+
+    public void testDeserializeKeyViaFactory() throws Exception
+    {
+        Map<FullName, Double> map =
+            new ObjectMapper().readValue("{\"first.last\": 42}",
+                    new TypeReference<Map<FullName, Double>>() { });
+        Map.Entry<FullName, Double> entry = map.entrySet().iterator().next();
+        FullName key = entry.getKey();
+        assertEquals(key._firstname, "first");
+        assertEquals(key._lastname, "last");
+        assertEquals(entry.getValue().doubleValue(), 42, 0);
+    }
+}