-Tests

Src/Newtonsoft.Json.Tests/JsonTextReaderTest.cs

@@ -1249,6 +1249,37 @@ third line", jsonTextReader.Value);
             Assert.AreEqual(6, arrayPool.FreeArrays.Count);
         }
 
+        [Test]
+        public void BufferTest_WithError()
+        {
+            string json = @"{
+              ""CPU"": ""Intel?\nYes"",
+              ""Description"": ""Amazin";
+
+            FakeArrayPool arrayPool = new FakeArrayPool();
+
+            try
+            {
+                // dispose will free used buffers
+                using (JsonTextReader reader = new JsonTextReader(new StringReader(json)))
+                {
+                    reader.ArrayPool = arrayPool;
+
+                    while (reader.Read())
+                    {
+                    }
+                }
+
+                Assert.Fail();
+            }
+            catch
+            {
+            }
+
+            Assert.AreEqual(0, arrayPool.UsedArrays.Count);
+            Assert.AreEqual(2, arrayPool.FreeArrays.Count);
+        }
+
         [Test]
         public void ReadNullTerminatorStrings()
         {

Src/Newtonsoft.Json.Tests/JsonTextWriterTest.cs

@@ -100,6 +100,42 @@ namespace Newtonsoft.Json.Tests
             Assert.AreEqual(3, arrayPool.FreeArrays.Count);
         }
 
+        [Test]
+        public void BufferTest_WithError()
+        {
+            JsonTextReaderTest.FakeArrayPool arrayPool = new JsonTextReaderTest.FakeArrayPool();
+
+            StringWriter sw = new StringWriter(CultureInfo.InvariantCulture);
+
+            try
+            {
+                // dispose will free used buffers
+                using (JsonTextWriter writer = new JsonTextWriter(sw))
+                {
+                    writer.ArrayPool = arrayPool;
+
+                    writer.WriteStartObject();
+
+                    writer.WritePropertyName("Prop1");
+                    writer.WriteValue(new DateTime(2000, 12, 12, 12, 12, 12, DateTimeKind.Utc));
+
+                    writer.WritePropertyName("Prop2");
+                    writer.WriteValue("This is an escaped \n string!");
+
+                    writer.WriteValue("Error!");
+                }
+
+
+                Assert.Fail();
+            }
+            catch
+            {
+            }
+
+            Assert.AreEqual(0, arrayPool.UsedArrays.Count);
+            Assert.AreEqual(1, arrayPool.FreeArrays.Count);
+        }
+
         [Test]
         public void NewLine()
         {