From f4201cf318cff5fba56d1e1ef687ffb3f1a7d421 Mon Sep 17 00:00:00 2001
From: "John J. Aylward" <john.aylward@sagenet.com>
Date: Mon, 19 Mar 2018 09:34:13 -0400
Subject: [PATCH] Test cases for issue described in
 https://github.com/stleary/JSON-java/issues/410.

---
 src/test/java/org/json/junit/JSONPointerTest.java | 13 +++++++++++++
 src/test/resources/jsonpointer-testdoc.json       |  3 ++-
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/src/test/java/org/json/junit/JSONPointerTest.java b/src/test/java/org/json/junit/JSONPointerTest.java
index 19dac47..c4a8781 100644
--- a/src/test/java/org/json/junit/JSONPointerTest.java
+++ b/src/test/java/org/json/junit/JSONPointerTest.java
@@ -62,6 +62,19 @@ public class JSONPointerTest {
         assertSame(document.get(""), query("/"));
     }
 
+    @Test
+    public void queryByEmptyKeySubObject() {
+        assertSame(document.getJSONObject("obj").getJSONObject(""), query("/obj/"));
+    }
+
+    @Test
+    public void queryByEmptyKeySubObjectSubOject() {
+        assertSame(
+            document.getJSONObject("obj").getJSONObject("").get(""),
+            query("/obj//")
+        );
+    }
+
     @Test
     public void slashEscaping() {
         assertSame(document.get("a/b"), query("/a~1b"));
diff --git a/src/test/resources/jsonpointer-testdoc.json b/src/test/resources/jsonpointer-testdoc.json
index d58fe82..6c1ce28 100644
--- a/src/test/resources/jsonpointer-testdoc.json
+++ b/src/test/resources/jsonpointer-testdoc.json
@@ -19,6 +19,7 @@
 			"another/key" : [
 				"val"
 			]
-		}
+		},
+		"" : { "" : "empty key of an object with an empty key" }
 	}
 }
\ No newline at end of file