add a test for one of the cases in issue 29

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

@@ -40,6 +40,13 @@ public class IssuesTest {
         assertTrue(result.isEmpty());
     }
 
-
+    
+    @Test
+    public void issue_29_b() throws Exception {
+        String json = "{\"list\": [ { \"a\":\"atext\", \"b\":{ \"b-a\":\"batext\", \"b-b\":\"bbtext\" } }, { \"a\":\"atext2\", \"b\":{ \"b-a\":\"batext2\", \"b-b\":\"bbtext2\" } } ] }";
+        List<String> result = JsonPath.read(json, "$.list[?]", Filter.filter(Criteria.where("b.b-a").eq("batext2")));
+       
+        assertTrue(result.size() == 1);
+    }
 
 }