From e0a6c2ef347b693978aa8862fddefe81994a013e Mon Sep 17 00:00:00 2001
From: "John J. Aylward" <john.aylward@sagenet.com>
Date: Mon, 20 Jul 2020 18:36:52 -0400
Subject: [PATCH] refs #537 Show error when unescaping all-caps entity directly

---
 src/test/java/org/json/junit/XMLTest.java | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/src/test/java/org/json/junit/XMLTest.java b/src/test/java/org/json/junit/XMLTest.java
index bc48299..17fd167 100644
--- a/src/test/java/org/json/junit/XMLTest.java
+++ b/src/test/java/org/json/junit/XMLTest.java
@@ -939,4 +939,19 @@ public class XMLTest {
             fail("file writer error: " +e.getMessage());
         }
     }
+
+    /**
+     * Tests to verify that supported escapes in XML are converted to actual values.
+     */
+    @Test
+    public void testIssue537CaseSensitiveHexUnEscapeDirect(){
+        String origStr = 
+            "Neutrophils.Hypersegmented &#X7C; Bld-Ser-Plas";
+        String expectedStr = 
+            "Neutrophils.Hypersegmented | Bld-Ser-Plas";
+        String actualStr = XML.unescape(origStr);
+        
+        assertEquals("Case insensitive Entity unescape",  expectedStr, actualStr);
+    }
+    
 }
\ No newline at end of file