From 37eb20833e56c7c419c3e37db3acec19fd389d24 Mon Sep 17 00:00:00 2001
From: ACHRAF TAITAI <43656331+achraftt@users.noreply.github.com>
Date: Thu, 4 Apr 2024 18:00:20 +0200
Subject: [PATCH] BAEL-7765: How to fix JsonParseException: Unexpected
 character (code 115) when parsing unquoted JSON in Jackson (#16286)

---
 .../exceptions/JacksonExceptionsUnitTest.java | 28 +++++++++++--------
 1 file changed, 17 insertions(+), 11 deletions(-)

diff --git a/jackson-modules/jackson-exceptions/src/test/java/com/baeldung/exceptions/JacksonExceptionsUnitTest.java b/jackson-modules/jackson-exceptions/src/test/java/com/baeldung/exceptions/JacksonExceptionsUnitTest.java
index 127d466436..e1517ed09b 100644
--- a/jackson-modules/jackson-exceptions/src/test/java/com/baeldung/exceptions/JacksonExceptionsUnitTest.java
+++ b/jackson-modules/jackson-exceptions/src/test/java/com/baeldung/exceptions/JacksonExceptionsUnitTest.java
@@ -1,16 +1,5 @@
 package com.baeldung.exceptions;
 
-import static org.hamcrest.Matchers.containsString;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertThat;
-import static org.junit.Assert.assertThrows;
-import static org.junit.Assert.assertTrue;
-
-import java.io.IOException;
-import java.util.List;
-
-import org.junit.Test;
-
 import com.fasterxml.jackson.annotation.JsonAutoDetect.Visibility;
 import com.fasterxml.jackson.annotation.PropertyAccessor;
 import com.fasterxml.jackson.core.JsonFactory;
@@ -22,6 +11,13 @@ import com.fasterxml.jackson.databind.DeserializationFeature;
 import com.fasterxml.jackson.databind.JsonMappingException;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.exc.UnrecognizedPropertyException;
+import org.junit.Test;
+
+import java.io.IOException;
+import java.util.List;
+
+import static org.hamcrest.Matchers.containsString;
+import static org.junit.Assert.*;
 
 public class JacksonExceptionsUnitTest {
 
@@ -201,6 +197,16 @@ public class JacksonExceptionsUnitTest {
             .readValue(json);
     }
 
+    // JsonParseException: Unexpected character ('n' (code 110))
+    @Test(expected = JsonParseException.class)
+    public void givenInvalidJsonString_whenDeserializing_thenException() throws JsonProcessingException, IOException {
+        final String json = "{\"id\":1, name:\"John\"}"; // Missing double quotes around 'name'
+        final ObjectMapper mapper = new ObjectMapper();
+        mapper.reader()
+            .forType(User.class)
+            .readValue(json);
+    }
+
     @Test
     public void givenStringWithSingleQuotes_whenConfigureDeserializing_thenCorrect() throws JsonProcessingException, IOException {
         final String json = "{'id':1,'name':'John'}";