1 files changed, 88 insertions, 0 deletions
diff --git a/IRCTokens/Tests/StatefulDecoder.cs b/IRCTokens/Tests/StatefulDecoder.cs
new file mode 100644
index 0000000..d37310f
--- /dev/null
+++ b/IRCTokens/Tests/StatefulDecoder.cs
@@ -0,0 +1,88 @@
+using System.Collections.Generic;
+using System.Text;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+
+namespace IRCTokens.Tests
+{
+    [TestClass]
+    public class StatefulDecoder
+    {
+        private IRCTokens.StatefulDecoder _decoder;
+
+        [TestInitialize]
+        public void TestInitialize()
+        {
+            _decoder = new IRCTokens.StatefulDecoder();
+        }
+
+        [TestMethod]
+        public void TestPartial()
+        {
+            var lines = _decoder.Push("PRIVMSG ");
+            Assert.AreEqual(0, lines.Count);
+
+            lines = _decoder.Push("#channel hello\r\n");
+            Assert.AreEqual(1, lines.Count);
+
+            var line = new Line("PRIVMSG #channel hello");
+            CollectionAssert.AreEqual(new List<Line> {line}, lines);
+        }
+
+        [TestMethod]
+        public void TestMultiple()
+        {
+            var lines = _decoder.Push("PRIVMSG #channel1 hello\r\nPRIVMSG #channel2 hello\r\n");
+            Assert.AreEqual(2, lines.Count);
+
+            var line1 = new Line("PRIVMSG #channel1 hello");
+            var line2 = new Line("PRIVMSG #channel2 hello");
+            Assert.AreEqual(line1, lines[0]);
+            Assert.AreEqual(line2, lines[1]);
+        }
+
+        [TestMethod]
+        public void TestEncoding()
+        {
+            var iso8859 = Encoding.GetEncoding("iso-8859-1");
+            _decoder = new IRCTokens.StatefulDecoder {Encoding = iso8859};
+            var bytes = iso8859.GetBytes("PRIVMSG #channel :hello Ç\r\n");
+            var lines = _decoder.Push(bytes, bytes.Length);
+            var line  = new Line("PRIVMSG #channel :hello Ç");
+            Assert.IsTrue(line.Equals(lines[0]));
+        }
+
+        [TestMethod]
+        public void TestEncodingFallback()
+        {
+            var latin1 = Encoding.GetEncoding("iso-8859-1");
+            _decoder = new IRCTokens.StatefulDecoder {Encoding = null, Fallback = latin1};
+            var bytes = latin1.GetBytes("PRIVMSG #channel hélló\r\n");
+            var lines = _decoder.Push(bytes, bytes.Length);
+            Assert.AreEqual(1, lines.Count);
+            Assert.IsTrue(new Line("PRIVMSG #channel hélló").Equals(lines[0]));
+        }
+
+        [TestMethod]
+        public void TestEmpty()
+        {
+            var lines = _decoder.Push(string.Empty);
+            Assert.AreEqual(0, lines.Count);
+        }
+
+        [TestMethod]
+        public void TestBufferUnfinished()
+        {
+            _decoder.Push("PRIVMSG #channel hello");
+            var lines = _decoder.Push(string.Empty);
+            Assert.AreEqual(0, lines.Count);
+        }
+
+        [TestMethod]
+        public void TestClear()
+        {
+            _decoder.Push("PRIVMSG ");
+            _decoder.Clear();
+            Assert.AreEqual(string.Empty, _decoder.Pending);
+        }
+    }
+}