Add a failing test for #3143

Author: cowtowncoder

src/test/java/com/fasterxml/jackson/failing/KeyDeserializer3143Test.java

@@ -0,0 +1,40 @@
+package com.fasterxml.jackson.failing;
+
+import java.util.Map;
+
+import com.fasterxml.jackson.annotation.JsonCreator;
+import com.fasterxml.jackson.core.type.TypeReference;
+import com.fasterxml.jackson.databind.BaseMapTest;
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+public class KeyDeserializer3143Test extends BaseMapTest
+{
+    // [databind#3143]
+    static class Key3143 {
+        protected String value;
+
+        private Key3143(String v, boolean bogus) {
+            value = v;
+        }
+
+        @JsonCreator
+        public static Key3143 create(String v) {
+            return new Key3143(v, true);
+        }
+
+        public static Key3143 valueOf(String id) {
+            return new Key3143(id.toUpperCase(), false);
+        }
+    }
+
+    private final ObjectMapper MAPPER = newJsonMapper();
+
+    // [databind#3143]
+    public void testKeyWithCreatorAndMultipleFactoryMethods() throws Exception
+    {
+        Map<Key3143,Integer> map = MAPPER.readValue("{\"foo\":3}",
+                new TypeReference<Map<Key3143,Integer>>() {} );
+        assertEquals(1, map.size());
+        assertEquals("foo", map.keySet().iterator().next().value);
+    }
+}