tests for improved failure handling

src/test/org/json/junit/JSONPointerTest.java

@@ -94,4 +94,14 @@ public class JSONPointerTest {
         new JSONPointer("key");
     }
 
+    @Test(expected = JSONPointerException.class)
+    public void arrayIndexFailure() {
+        query("/foo/2");
+    }
+
+    @Test(expected = JSONPointerException.class)
+    public void primitiveFailure() {
+        query("/obj/key/failure");
+    }
+
 }

src/test/org/json/junit/jsonpointer-testdoc.json

@@ -12,5 +12,8 @@
 	"i\\j": 5,
 	"k\"l": 6,
 	" ": 7,
-	"m~n": 8
+	"m~n": 8,
+	"obj" : {
+		"key" : "value"
+	}
 }