add failing test for #639

src/test/java/com/fasterxml/jackson/failing/ObjectIdWithInjectable639Test.java

@@ -0,0 +1,45 @@
+package com.fasterxml.jackson.failing;
+
+import com.fasterxml.jackson.annotation.*;
+import com.fasterxml.jackson.databind.*;
+
+public class ObjectIdWithInjectable639Test extends BaseMapTest
+{
+    // for [databind#639]
+    @JsonIdentityInfo(generator = ObjectIdGenerators.IntSequenceGenerator.class)
+    public static final class Parent2 {
+        @JsonProperty
+        public Child2 child;
+
+        @JsonCreator
+        public Parent2(@JacksonInject("context") String context) {
+        }
+    }
+
+    @JsonIdentityInfo(generator = ObjectIdGenerators.IntSequenceGenerator.class)
+    public static final class Child2 {
+        @JsonProperty
+        private final Parent2 parent;
+
+        @JsonCreator
+        public Child2(@JsonProperty("parent") Parent2 parent) {
+            this.parent = parent;
+        }
+    }
+
+    // for [databind#639]
+    public void testObjectIdWithInjectable() throws Exception
+    {
+        ObjectMapper mapper = new ObjectMapper()
+                .setInjectableValues(new InjectableValues.Std().
+                        addValue("context", "Stuff"));
+        Parent2 parent2 = new Parent2("foo");
+        Child2 child2 = new Child2(parent2);
+        parent2.child = child2;
+
+        String json2 = mapper.writeValueAsString(parent2);
+        parent2 = mapper.readValue(json2, Parent2.class);
+        assertNotNull(parent2);
+        assertNotNull(parent2.child);
+    }
+}