Verify current behavior of non-public methods

Author: robbytx

mrbean/src/test/java/com/fasterxml/jackson/module/mrbean/TestAbstractClasses.java

@@ -24,7 +24,7 @@ protected Bean() { }
 
         // also verify non-public methods
         protected abstract String getZ();
-        private Object customMethod() { return new Object(); }
+        private String customMethod() { return "Private methods rock!"; }
     }
 
     /*
@@ -42,6 +42,6 @@ public void testSimpleInteface() throws Exception
         assertEquals(13, bean.y);
         assertEquals("Foo!", bean.getFoo());
         assertEquals("def", bean.getZ());
-        assertNotNull(bean.customMethod());
+        assertEquals("Private methods rock!", bean.customMethod());
     }
 }

mrbean/src/test/java/com/fasterxml/jackson/module/mrbean/TestAbstractClassesWithOverrides.java

@@ -26,13 +26,18 @@ protected Bean() { }
 
         // also verify non-public methods
         protected abstract String getZ();
-        private Object customMethod() { return new Object(); }
+        private Object customMethod() { return protectedAbstractMethod(); }
+        protected abstract Object protectedAbstractMethod();
     }
 
     public abstract static class CoffeeBean extends Bean {
         @Override public String roast(int temperature) {
             return "The coffee beans are roasting at " + temperature + " degrees now, yummy";
         }
+
+        @Override protected Object protectedAbstractMethod() {
+            return "Private methods invoking protected abstract methods is the bomb!";
+        }
     }
 
     public abstract static class PeruvianCoffeeBean extends CoffeeBean {}
@@ -62,7 +67,7 @@ private void verifyBean(Bean bean) {
         assertEquals(13, bean.y);
         assertEquals("Foo!", bean.getFoo());
         assertEquals("def", bean.getZ());
-        assertNotNull(bean.customMethod());
         assertEquals("The coffee beans are roasting at 123 degrees now, yummy", bean.roast(123));
+        assertEquals("Private methods invoking protected abstract methods is the bomb!", bean.customMethod());
     }
 }