Add unit test for #1124

Author: cowtowncoder

src/test/java/com/fasterxml/jackson/failing/AnyGetter1124Test.java

@@ -0,0 +1,55 @@
+package com.fasterxml.jackson.failing;
+
+import java.io.IOException;
+import java.util.*;
+
+import com.fasterxml.jackson.annotation.*;
+import com.fasterxml.jackson.core.JsonGenerator;
+import com.fasterxml.jackson.databind.*;
+import com.fasterxml.jackson.databind.annotation.JsonSerialize;
+import com.fasterxml.jackson.databind.ser.std.StdScalarSerializer;
+
+// for [databind#1124]
+public class AnyGetter1124Test extends BaseMapTest
+{
+    static class Bean1124
+    {
+        protected Map<String,String> additionalProperties;
+
+        public void addAdditionalProperty(String key, String value) {
+            if (additionalProperties == null) {
+                additionalProperties = new HashMap<>();
+            }
+            additionalProperties.put(key,value);
+        }
+        
+        public void setAdditionalProperties(Map<String, String> additionalProperties) {
+            this.additionalProperties = additionalProperties;
+        }
+
+        @JsonAnyGetter
+        @JsonSerialize(contentUsing=MyUCSerializer.class)
+        public Map<String,String> getAdditionalProperties() { return additionalProperties; }
+    }
+
+    @SuppressWarnings("serial")
+    static class MyUCSerializer extends StdScalarSerializer<String>
+    {
+        public MyUCSerializer() { super(String.class); }
+
+        @Override
+        public void serialize(String value, JsonGenerator gen,
+                SerializerProvider provider) throws IOException {
+            gen.writeString(value.toUpperCase());
+        }
+    }
+    
+    public void testAnyGetterWithValueSerializer() throws Exception
+    {
+        ObjectMapper mapper = new ObjectMapper();
+        Bean1124 input = new Bean1124();
+        input.addAdditionalProperty("key", "value");
+        String json = mapper.writeValueAsString(input);
+        assertEquals("{\"key\":\"VALUE\"}", json);
+    }
+}