From d764cfae1a0953fc9225c367c7cb93a02fb19293 Mon Sep 17 00:00:00 2001
From: Jon Hanna <jon@hackcraft.net>
Date: Sun, 20 Dec 2015 14:12:39 +0000
Subject: [PATCH] Null Check on JsonWriter.WriteToken

Fixes #752
---
 Src/Newtonsoft.Json.Tests/JsonTextWriterTest.cs | 10 ++++++++++
 Src/Newtonsoft.Json/JsonWriter.cs               |  2 +-
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/Src/Newtonsoft.Json.Tests/JsonTextWriterTest.cs b/Src/Newtonsoft.Json.Tests/JsonTextWriterTest.cs
index d92681b8..5309b2a6 100644
--- a/Src/Newtonsoft.Json.Tests/JsonTextWriterTest.cs
+++ b/Src/Newtonsoft.Json.Tests/JsonTextWriterTest.cs
@@ -897,6 +897,16 @@ Parameter name: value");
             }
         }
 
+        [Test]
+        public void WriteTokenNullCheck()
+        {
+            using (JsonWriter jsonWriter = new JsonTextWriter(new StringWriter()))
+            {
+                ExceptionAssert.Throws<ArgumentNullException>(() => { jsonWriter.WriteToken(null); });
+                ExceptionAssert.Throws<ArgumentNullException>(() => { jsonWriter.WriteToken(null, true); });
+            }
+        }
+
         [Test]
         public void BadWriteEndArray()
         {
diff --git a/Src/Newtonsoft.Json/JsonWriter.cs b/Src/Newtonsoft.Json/JsonWriter.cs
index a6bc5342..942569bb 100644
--- a/Src/Newtonsoft.Json/JsonWriter.cs
+++ b/Src/Newtonsoft.Json/JsonWriter.cs
@@ -483,7 +483,7 @@ namespace Newtonsoft.Json
         /// <param name="reader">The <see cref="JsonReader"/> to read the token from.</param>
         public void WriteToken(JsonReader reader)
         {
-            WriteToken(reader, true, true, true);
+            WriteToken(reader, true);
         }
 
         /// <summary>