Fix wrong packet writer buffer length calculation.

2026-10-20 19:58:57 +08:00 · 2018-06-24 19:51:00 +02:00
parent f39589a8c1
commit 211853d519
2 changed files with 33 additions and 4 deletions
@@ -0,0 +1,25 @@
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using MQTTnet.Serializer;
+
+namespace MQTTnet.Core.Tests
+{
+    [TestClass]
+    public class MqttPacketWriterTests
+    {
+        [TestMethod]
+        public void WritePacket()
+        {
+            var writer = new MqttPacketWriter();
+            Assert.AreEqual(0, writer.Length);
+
+            writer.WriteWithLengthPrefix("1234567890");
+            Assert.AreEqual(10 + 2, writer.Length);
+
+            writer.WriteWithLengthPrefix(new byte[300]);
+            Assert.AreEqual(300 + 2 + 12, writer.Length);
+
+            writer.WriteWithLengthPrefix(new byte[5000]);
+            Assert.AreEqual(5000 + 2 + 300 + 2 + 12, writer.Length);
+        }
+    }
+}