Add a test for FasterXML#34; fix will be in jackson-databind 2.4.3

pom.xml

@@ -34,7 +34,7 @@ JSON Schema (http://tools.ietf.org/html/draft-zyp-json-schema-03) version 3 gene
   </developers>
   <properties>
     <version.jackson.annotations>2.4.0</version.jackson.annotations>
-    <version.jackson.core>2.4.2</version.jackson.core>
+    <version.jackson.core>2.4.3-SNAPSHOT</version.jackson.core>
 
     <osgi.export>${project.groupId}.jsonSchema.*</osgi.export>
   </properties>

release-notes/VERSION

@@ -1,12 +1,17 @@
 Project: jackson-module-jsonSchema
-Version: 2.4.2 (14-Aug-2014)
+Version: 2.4.3 (xx-xxx-2014)
 
-No changes.
+#34: NPE when generating schema for class with JsonValue annotation over Collection/Array
+ (reported by peshitz@github)
 
 ------------------------------------------------------------------------
 === History: ===
 ------------------------------------------------------------------------
 
+2.4.2 (14-Aug-2014)
+
+No changes since 2.4.1.
+
 2.4.1 (17-Jun-2014)
 
 #4: JSON schema generation with Jackson goes into infinite loop

src/test/java/com/fasterxml/jackson/module/jsonSchema/TestJsonValue.java

@@ -1,5 +1,7 @@
 package com.fasterxml.jackson.module.jsonSchema;
 
+import java.util.Collection;
+
 import com.fasterxml.jackson.annotation.JsonValue;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.module.jsonSchema.factories.SchemaFactoryWrapper;
@@ -13,11 +15,16 @@ static class ContainerWithAsValue
         @JsonValue
         public Leaf getValue() { return value; }
     }
-    
+
     static class Leaf {
         public int value;
     }
-
+
+    static class Issue34Bean {
+        @JsonValue
+        public Collection<String> getNames() { return null; }
+    }
+
     /*
     /**********************************************************
     /* Unit tests, success
@@ -52,4 +59,18 @@ public void testJsonValueAnnotation() throws Exception
 
         assertEquals(expStr, actStr);
     }
+
+    // For [Issue#34]
+    public void testJsonValueForCollection() throws Exception
+    {
+        ObjectMapper mapper = new ObjectMapper();
+
+        SchemaFactoryWrapper visitor = new SchemaFactoryWrapper();
+        mapper.acceptJsonFormatVisitor(mapper.constructType(Issue34Bean.class), visitor);
+        JsonSchema schema = visitor.finalSchema();
+        assertNotNull(schema);
+
+        String schemaStr = mapper.writerWithDefaultPrettyPrinter().writeValueAsString(schema);
+        assertNotNull(schemaStr);
+    }
 }