Fixed bug in IN operator evaluation.

Author: kallestenflo

json-path/src/main/java/com/jayway/jsonpath/internal/filter/EvaluatorFactory.java

@@ -145,7 +145,17 @@ public boolean evaluate(ValueNode left, ValueNode right, Predicate.PredicateCont
     private static class InEvaluator implements Evaluator {
         @Override
         public boolean evaluate(ValueNode left, ValueNode right, Predicate.PredicateContext ctx) {
-            ValueNode.ValueListNode valueListNode = right.asValueListNode();
+            ValueNode.ValueListNode valueListNode;
+            if(right.isJsonNode()){
+                ValueNode vn = right.asJsonNode().asValueListNode(ctx);
+                if(vn.isUndefinedNode()){
+                    return false;
+                } else {
+                    valueListNode = vn.asValueListNode();
+                }
+            } else {
+                valueListNode = right.asValueListNode();
+            }
             return valueListNode.contains(left);
         }
     }

json-path/src/test/java/com/jayway/jsonpath/FilterTest.java

@@ -479,4 +479,14 @@ public void criteria_can_be_parsed() {
         criteria = Criteria.parse("@.foo");
         assertThat(criteria.toString()).isEqualTo("@['foo']");
     }
+
+
+    @Test
+    public void inline_in_criteria_evalueates() {
+
+        Object read = JsonPath.read(JSON_DOCUMENT, "$.store.book[?(@.category in ['reference', 'fiction'])]");
+
+        System.out.println(read);
+
+    }
 }