Add failing test for FasterXML#3647 - @JsonIgnoreProperties does not …

…work with @JsonValue

src/test/java/com/fasterxml/jackson/failing/JsonValueIgnore3647Test.java

@@ -0,0 +1,61 @@
+package com.fasterxml.jackson.failing;
+
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import com.fasterxml.jackson.annotation.JsonValue;
+import com.fasterxml.jackson.databind.BaseMapTest;
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+// for [databind#3647]
+public class JsonValueIgnore3647Test extends BaseMapTest
+{
+    // for [databind#3647]
+    static class Foo {
+        String p1 = "hello";
+        String p2 = "world";
+
+        public String getP1() {
+            return p1;
+        }
+
+        public void setP1(String p1) {
+            this.p1 = p1;
+        }
+
+        public String getP2() {
+            return p2;
+        }
+
+        public void setP2(String p2) {
+            this.p2 = p2;
+        }
+    }
+
+    // for [databind#3647]
+    static class Bar {
+        @JsonValue
+        @JsonIgnoreProperties("p1")
+        Foo foo = new Foo();
+        public Foo getFoo() {
+            return foo;
+        }
+        public void setFoo(Foo foo) {
+            this.foo = foo;
+        }
+    }
+
+    private final ObjectMapper MAPPER = new ObjectMapper();
+
+    /*
+    /**********************************************************
+    /* Test methods
+    /**********************************************************
+    */
+
+    // [databind#3647]
+    public void testIgnorePropsAnnotatedJsonValue() throws Exception
+    {
+        final String result = "{\"p2\":\"world\"}";
+        final String jsonStringWithIgnoredProps = MAPPER.writeValueAsString(new Bar());
+        assertEquals(result, jsonStringWithIgnoredProps);
+    }
+}