10 files changed, 1123 insertions, 0 deletions
diff --git a/IRCTokens/Tests/Data/JoinModel.cs b/IRCTokens/Tests/Data/JoinModel.cs
new file mode 100644
index 0000000..e54f4cf
--- /dev/null
+++ b/IRCTokens/Tests/Data/JoinModel.cs
@@ -0,0 +1,30 @@
+using System.Collections.Generic;
+using YamlDotNet.Serialization;
+
+namespace IRCTokens.Tests.Data
+{
+    public class JoinModel
+    {
+        public List<Test> Tests { get; set; }
+
+        public class Test
+        {
+            [YamlMember(Alias = "desc")] public string Description { get; set; }
+
+            public Atoms Atoms { get; set; }
+
+            public List<string> Matches { get; set; }
+        }
+
+        public class Atoms
+        {
+            public Dictionary<string, string> Tags { get; set; }
+
+            public string Source { get; set; }
+
+            public string Verb { get; set; }
+
+            public List<string> Params { get; set; }
+        }
+    }
+}
diff --git a/IRCTokens/Tests/Data/SplitModel.cs b/IRCTokens/Tests/Data/SplitModel.cs
new file mode 100644
index 0000000..5386326
--- /dev/null
+++ b/IRCTokens/Tests/Data/SplitModel.cs
@@ -0,0 +1,15 @@
+using System.Collections.Generic;
+
+namespace IRCTokens.Tests.Data
+{
+    public class SplitModel
+    {
+        public List<Test> Tests { get; set; }
+
+        public class Test
+        {
+            public string Input { get; set; }
+            public JoinModel.Atoms Atoms { get; set; }
+        }
+    }
+}
diff --git a/IRCTokens/Tests/Data/msg-join.yaml b/IRCTokens/Tests/Data/msg-join.yaml
new file mode 100644
index 0000000..d1d7429
--- /dev/null
+++ b/IRCTokens/Tests/Data/msg-join.yaml
@@ -0,0 +1,221 @@
+# IRC parser tests
+# joining atoms into sendable messages
+
+# Written in 2015 by Daniel Oaks <daniel@danieloaks.net>
+#
+# To the extent possible under law, the author(s) have dedicated all copyright
+# and related and neighboring rights to this software to the public domain
+# worldwide. This software is distributed without any warranty.
+#
+# You should have received a copy of the CC0 Public Domain Dedication along
+# with this software. If not, see
+# <http://creativecommons.org/publicdomain/zero/1.0/>.
+
+# some of the tests here originate from grawity's test vectors, which is WTFPL v2 licensed
+#   https://github.com/grawity/code/tree/master/lib/tests
+# some of the tests here originate from Mozilla's test vectors, which is public domain
+#   https://dxr.mozilla.org/comm-central/source/chat/protocols/irc/test/test_ircMessage.js
+# some of the tests here originate from SaberUK's test vectors, which he's indicated I am free to include here
+#   https://github.com/SaberUK/ircparser/tree/master/test
+
+tests:
+  # the desc string holds a description of the test, if it exists
+
+  # the atoms dict has the keys:
+  #   * tags: tags dict
+  #       tags with no value are an empty string
+  #   * source: source string, without single leading colon
+  #   * verb: verb string
+  #   * params: params split up as a list
+  # if the params key does not exist, assume it is empty
+  # if any other keys do no exist, assume they are null
+  # a key that is null does not exist or is not specified with the
+  #   given input string
+
+  # matches is a list of messages that match
+
+  # simple tests
+  - desc: Simple test with verb and params.
+    atoms:
+      verb: "foo"
+      params:
+        - "bar"
+        - "baz"
+        - "asdf"
+    matches:
+      - "foo bar baz asdf"
+      - "foo bar baz :asdf"
+
+  # with no regular params
+  - desc: Simple test with source and no params.
+    atoms:
+      source: "src"
+      verb: "AWAY"
+    matches:
+      - ":src AWAY"
+
+  - desc: Simple test with source and empty trailing param.
+    atoms:
+      source: "src"
+      verb: "AWAY"
+      params:
+        - ""
+    matches:
+      - ":src AWAY :"
+
+  # with source
+  - desc: Simple test with source.
+    atoms:
+      source: "coolguy"
+      verb: "foo"
+      params:
+        - "bar"
+        - "baz"
+        - "asdf"
+    matches:
+      - ":coolguy foo bar baz asdf"
+      - ":coolguy foo bar baz :asdf"
+
+  # with trailing param
+  - desc: Simple test with trailing param.
+    atoms:
+      verb: "foo"
+      params:
+        - "bar"
+        - "baz"
+        - "asdf quux"
+    matches:
+      - "foo bar baz :asdf quux"
+
+  - desc: Simple test with empty trailing param.
+    atoms:
+      verb: "foo"
+      params:
+        - "bar"
+        - "baz"
+        - ""
+    matches:
+      - "foo bar baz :"
+
+  - desc: Simple test with trailing param containing colon.
+    atoms:
+      verb: "foo"
+      params:
+        - "bar"
+        - "baz"
+        - ":asdf"
+    matches:
+      - "foo bar baz ::asdf"
+
+  # with source and trailing param
+  - desc: Test with source and trailing param.
+    atoms:
+      source: "coolguy"
+      verb: "foo"
+      params:
+        - "bar"
+        - "baz"
+        - "asdf quux"
+    matches:
+      - ":coolguy foo bar baz :asdf quux"
+
+  - desc: Test with trailing containing beginning+end whitespace.
+    atoms:
+      source: "coolguy"
+      verb: "foo"
+      params:
+        - "bar"
+        - "baz"
+        - "  asdf quux "
+    matches:
+      - ":coolguy foo bar baz :  asdf quux "
+
+  - desc: Test with trailing containing what looks like another trailing param.
+    atoms:
+      source: "coolguy"
+      verb: "PRIVMSG"
+      params:
+        - "bar"
+        - "lol :) "
+    matches:
+      - ":coolguy PRIVMSG bar :lol :) "
+
+  - desc: Simple test with source and empty trailing.
+    atoms:
+      source: "coolguy"
+      verb: "foo"
+      params:
+        - "bar"
+        - "baz"
+        - ""
+    matches:
+      - ":coolguy foo bar baz :"
+
+  - desc: Trailing contains only spaces.
+    atoms:
+      source: "coolguy"
+      verb: "foo"
+      params:
+        - "bar"
+        - "baz"
+        - "  "
+    matches:
+      - ":coolguy foo bar baz :  "
+
+  - desc: Param containing tab (tab is not considered SPACE for message splitting).
+    atoms:
+      source: "coolguy"
+      verb: "foo"
+      params:
+        - "b\tar"
+        - "baz"
+    matches:
+      - ":coolguy foo b\tar baz"
+      - ":coolguy foo b\tar :baz"
+
+  # with tags
+  - desc: Tag with no value and space-filled trailing.
+    atoms:
+      tags:
+        "asd": ""
+      source: "coolguy"
+      verb: "foo"
+      params:
+        - "bar"
+        - "baz"
+        - "  "
+    matches:
+      - "@asd :coolguy foo bar baz :  "
+
+  - desc: Tags with escaped values.
+    atoms:
+      verb: "foo"
+      tags:
+        "a": "b\\and\nk"
+        "d": "gh;764"
+    matches:
+      - "@a=b\\\\and\\nk;d=gh\\:764 foo"
+      - "@d=gh\\:764;a=b\\\\and\\nk foo"
+
+  - desc: Tags with escaped values and params.
+    atoms:
+      verb: "foo"
+      tags:
+        "a": "b\\and\nk"
+        "d": "gh;764"
+      params:
+        - "par1"
+        - "par2"
+    matches:
+      - "@a=b\\\\and\\nk;d=gh\\:764 foo par1 par2"
+      - "@a=b\\\\and\\nk;d=gh\\:764 foo par1 :par2"
+      - "@d=gh\\:764;a=b\\\\and\\nk foo par1 par2"
+      - "@d=gh\\:764;a=b\\\\and\\nk foo par1 :par2"
+
+  - desc: Tag with long, strange values (including LF and newline).
+    atoms:
+      tags:
+        foo: "\\\\;\\s \r\n"
+      verb: "COMMAND"
+    matches:
+      - "@foo=\\\\\\\\\\:\\\\s\\s\\r\\n COMMAND"
diff --git a/IRCTokens/Tests/Data/msg-split.yaml b/IRCTokens/Tests/Data/msg-split.yaml
new file mode 100644
index 0000000..fa3f4aa
--- /dev/null
+++ b/IRCTokens/Tests/Data/msg-split.yaml
@@ -0,0 +1,343 @@
+# IRC parser tests
+# splitting messages into usable atoms
+
+# Written in 2015 by Daniel Oaks <daniel@danieloaks.net>
+#
+# To the extent possible under law, the author(s) have dedicated all copyright
+# and related and neighboring rights to this software to the public domain
+# worldwide. This software is distributed without any warranty.
+#
+# You should have received a copy of the CC0 Public Domain Dedication along
+# with this software. If not, see
+# <http://creativecommons.org/publicdomain/zero/1.0/>.
+
+# some of the tests here originate from grawity's test vectors, which is WTFPL v2 licensed
+#   https://github.com/grawity/code/tree/master/lib/tests
+# some of the tests here originate from Mozilla's test vectors, which is public domain
+#   https://dxr.mozilla.org/comm-central/source/chat/protocols/irc/test/test_ircMessage.js
+# some of the tests here originate from SaberUK's test vectors, which he's indicated I am free to include here
+#   https://github.com/SaberUK/ircparser/tree/master/test
+
+# we follow RFC1459 with regards to multiple ascii spaces splitting atoms:
+#   The prefix, command, and all parameters are
+#   separated by one (or more) ASCII space character(s) (0x20).
+# because doing it as RFC2812 says (strictly as a single ascii space) isn't sane
+
+tests:
+  # input is the string coming directly from the server to parse
+
+  # the atoms dict has the keys:
+  #   * tags: tags dict
+  #       tags with no value are an empty string
+  #   * source: source string, without single leading colon
+  #   * verb: verb string
+  #   * params: params split up as a list
+  # if the params key does not exist, assume it is empty
+  # if any other keys do no exist, assume they are null
+  # a key that is null does not exist or is not specified with the
+  #   given input string
+
+  # simple
+  - input: "foo bar baz asdf"
+    atoms:
+      verb: "foo"
+      params:
+        - "bar"
+        - "baz"
+        - "asdf"
+
+  # with source
+  - input: ":coolguy foo bar baz asdf"
+    atoms:
+      source: "coolguy"
+      verb: "foo"
+      params:
+        - "bar"
+        - "baz"
+        - "asdf"
+
+  # with trailing param
+  - input: "foo bar baz :asdf quux"
+    atoms:
+      verb: "foo"
+      params:
+        - "bar"
+        - "baz"
+        - "asdf quux"
+
+  - input: "foo bar baz :"
+    atoms:
+      verb: "foo"
+      params:
+        - "bar"
+        - "baz"
+        - ""
+
+  - input: "foo bar baz ::asdf"
+    atoms:
+      verb: "foo"
+      params:
+        - "bar"
+        - "baz"
+        - ":asdf"
+
+  # with source and trailing param
+  - input: ":coolguy foo bar baz :asdf quux"
+    atoms:
+      source: "coolguy"
+      verb: "foo"
+      params:
+        - "bar"
+        - "baz"
+        - "asdf quux"
+
+  - input: ":coolguy foo bar baz :  asdf quux "
+    atoms:
+      source: "coolguy"
+      verb: "foo"
+      params:
+        - "bar"
+        - "baz"
+        - "  asdf quux "
+
+  - input: ":coolguy PRIVMSG bar :lol :) "
+    atoms:
+      source: "coolguy"
+      verb: "PRIVMSG"
+      params:
+        - "bar"
+        - "lol :) "
+
+  - input: ":coolguy foo bar baz :"
+    atoms:
+      source: "coolguy"
+      verb: "foo"
+      params:
+        - "bar"
+        - "baz"
+        - ""
+
+  - input: ":coolguy foo bar baz :  "
+    atoms:
+      source: "coolguy"
+      verb: "foo"
+      params:
+        - "bar"
+        - "baz"
+        - "  "
+
+  # with tags
+  - input: "@a=b;c=32;k;rt=ql7 foo"
+    atoms:
+      verb: "foo"
+      tags:
+        "a": "b"
+        "c": "32"
+        "k": ""
+        "rt": "ql7"
+
+  # with escaped tags
+  - input: "@a=b\\\\and\\nk;c=72\\s45;d=gh\\:764 foo"
+    atoms:
+      verb: "foo"
+      tags:
+        "a": "b\\and\nk"
+        "c": "72 45"
+        "d": "gh;764"
+
+  # with tags and source
+  - input: "@c;h=;a=b :quux ab cd"
+    atoms:
+      tags:
+        "c": ""
+        "h": ""
+        "a": "b"
+      source: "quux"
+      verb: "ab"
+      params:
+        - "cd"
+
+  # different forms of last param
+  - input: ":src JOIN #chan"
+    atoms:
+      source: "src"
+      verb: "JOIN"
+      params:
+        - "#chan"
+
+  - input: ":src JOIN :#chan"
+    atoms:
+      source: "src"
+      verb: "JOIN"
+      params:
+        - "#chan"
+
+  # with and without last param
+  - input: ":src AWAY"
+    atoms:
+      source: "src"
+      verb: "AWAY"
+
+  - input: ":src AWAY "
+    atoms:
+      source: "src"
+      verb: "AWAY"
+
+  # tab is not considered <SPACE>
+  - input: ":cool\tguy foo bar baz"
+    atoms:
+      source: "cool\tguy"
+      verb: "foo"
+      params:
+        - "bar"
+        - "baz"
+
+  # with weird control codes in the source
+  - input: ":coolguy!ag@net\x035w\x03ork.admin PRIVMSG foo :bar baz"
+    atoms:
+      source: "coolguy!ag@net\x035w\x03ork.admin"
+      verb: "PRIVMSG"
+      params:
+        - "foo"
+        - "bar baz"
+
+  - input: ":coolguy!~ag@n\x02et\x0305w\x0fork.admin PRIVMSG foo :bar baz"
+    atoms:
+      source: "coolguy!~ag@n\x02et\x0305w\x0fork.admin"
+      verb: "PRIVMSG"
+      params:
+        - "foo"
+        - "bar baz"
+
+  - input: "@tag1=value1;tag2;vendor1/tag3=value2;vendor2/tag4= :irc.example.com COMMAND param1 param2 :param3 param3"
+    atoms:
+      tags:
+        tag1: "value1"
+        tag2: ""
+        vendor1/tag3: "value2"
+        vendor2/tag4: ""
+      source: "irc.example.com"
+      verb: "COMMAND"
+      params:
+        - "param1"
+        - "param2"
+        - "param3 param3"
+
+  - input: ":irc.example.com COMMAND param1 param2 :param3 param3"
+    atoms:
+      source: "irc.example.com"
+      verb: "COMMAND"
+      params:
+        - "param1"
+        - "param2"
+        - "param3 param3"
+
+  - input: "@tag1=value1;tag2;vendor1/tag3=value2;vendor2/tag4 COMMAND param1 param2 :param3 param3"
+    atoms:
+      tags:
+        tag1: "value1"
+        tag2: ""
+        vendor1/tag3: "value2"
+        vendor2/tag4: ""
+      verb: "COMMAND"
+      params:
+        - "param1"
+        - "param2"
+        - "param3 param3"
+
+  - input: "COMMAND"
+    atoms:
+      verb: "COMMAND"
+
+  # yaml encoding + slashes is fun
+  - input: "@foo=\\\\\\\\\\:\\\\s\\s\\r\\n COMMAND"
+    atoms:
+      tags:
+        foo: "\\\\;\\s \r\n"
+      verb: "COMMAND"
+
+  # broken messages from unreal
+  - input: ":gravel.mozilla.org 432  #momo :Erroneous Nickname: Illegal characters"
+    atoms:
+      source: "gravel.mozilla.org"
+      verb: "432"
+      params:
+        - "#momo"
+        - "Erroneous Nickname: Illegal characters"
+
+  - input: ":gravel.mozilla.org MODE #tckk +n "
+    atoms:
+      source: "gravel.mozilla.org"
+      verb: "MODE"
+      params:
+        - "#tckk"
+        - "+n"
+
+  - input: ":services.esper.net MODE #foo-bar +o foobar  "
+    atoms:
+      source: "services.esper.net"
+      verb: "MODE"
+      params:
+        - "#foo-bar"
+        - "+o"
+        - "foobar"
+
+  # tag values should be parsed char-at-a-time to prevent wayward replacements.
+  - input: "@tag1=value\\\\ntest COMMAND"
+    atoms:
+      tags:
+        tag1: "value\\ntest"
+      verb: "COMMAND"
+
+  # If a tag value has a slash followed by a character which doesn't need
+  # to be escaped, the slash should be dropped.
+  - input: "@tag1=value\\1 COMMAND"
+    atoms:
+      tags:
+        tag1: "value1"
+      verb: "COMMAND"
+
+  # A slash at the end of a tag value should be dropped
+  - input: "@tag1=value1\\ COMMAND"
+    atoms:
+      tags:
+        tag1: "value1"
+      verb: "COMMAND"
+
+  # Duplicate tags: Parsers SHOULD disregard all but the final occurence 
+  - input: "@tag1=1;tag2=3;tag3=4;tag1=5 COMMAND"
+    atoms:
+      tags:
+        tag1: "5"
+        tag2: "3"
+        tag3: "4"
+      verb: "COMMAND"
+
+  # vendored tags can have the same name as a non-vendored tag
+  - input: "@tag1=1;tag2=3;tag3=4;tag1=5;vendor/tag2=8 COMMAND"
+    atoms:
+      tags:
+        tag1: "5"
+        tag2: "3"
+        tag3: "4"
+        vendor/tag2: "8"
+      verb: "COMMAND"
+
+  # Some parsers handle /MODE in a special way, make sure they do it right
+  - input: ":SomeOp MODE #channel :+i"
+    atoms:
+      source: "SomeOp"
+      verb: "MODE"
+      params:
+      - "#channel"
+      - "+i"
+
+  - input: ":SomeOp MODE #channel +oo SomeUser :AnotherUser"
+    atoms:
+      source: "SomeOp"
+      verb: "MODE"
+      params:
+      - "#channel"
+      - "+oo"
+      - "SomeUser"
+      - "AnotherUser"
diff --git a/IRCTokens/Tests/Format.cs b/IRCTokens/Tests/Format.cs
new file mode 100644
index 0000000..8319069
--- /dev/null
+++ b/IRCTokens/Tests/Format.cs
@@ -0,0 +1,105 @@
+using System;
+using System.Collections.Generic;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+
+namespace IRCTokens.Tests
+{
+    [TestClass]
+    public class Format
+    {
+        [TestMethod]
+        public void TestTags()
+        {
+            var line = new Line("PRIVMSG", "#channel", "hello")
+            {
+                Tags = new Dictionary<string, string> {{"id", "\\" + " " + ";" + "\r\n"}}
+            }.Format();
+
+            Assert.AreEqual("@id=\\\\\\s\\:\\r\\n PRIVMSG #channel hello", line);
+        }
+
+        [TestMethod]
+        public void TestMissingTag()
+        {
+            var line = new Line("PRIVMSG", "#channel", "hello").Format();
+
+            Assert.AreEqual("PRIVMSG #channel hello", line);
+        }
+
+        [TestMethod]
+        public void TestNullTag()
+        {
+            var line = new Line("PRIVMSG", "#channel", "hello") {Tags = new Dictionary<string, string> {{"a", null}}}
+                .Format();
+
+            Assert.AreEqual("@a PRIVMSG #channel hello", line);
+        }
+
+        [TestMethod]
+        public void TestEmptyTag()
+        {
+            var line = new Line("PRIVMSG", "#channel", "hello") {Tags = new Dictionary<string, string> {{"a", ""}}}
+                .Format();
+
+            Assert.AreEqual("@a PRIVMSG #channel hello", line);
+        }
+
+        [TestMethod]
+        public void TestSource()
+        {
+            var line = new Line("PRIVMSG", "#channel", "hello") {Source = "nick!user@host"}.Format();
+
+            Assert.AreEqual(":nick!user@host PRIVMSG #channel hello", line);
+        }
+
+        [TestMethod]
+        public void TestCommandLowercase()
+        {
+            var line = new Line {Command = "privmsg"}.Format();
+            Assert.AreEqual("privmsg", line);
+        }
+
+        [TestMethod]
+        public void TestCommandUppercase()
+        {
+            var line = new Line {Command = "PRIVMSG"}.Format();
+            Assert.AreEqual("PRIVMSG", line);
+        }
+
+        [TestMethod]
+        public void TestTrailingSpace()
+        {
+            var line = new Line("PRIVMSG", "#channel", "hello world").Format();
+
+            Assert.AreEqual("PRIVMSG #channel :hello world", line);
+        }
+
+        [TestMethod]
+        public void TestTrailingNoSpace()
+        {
+            var line = new Line("PRIVMSG", "#channel", "helloworld").Format();
+
+            Assert.AreEqual("PRIVMSG #channel helloworld", line);
+        }
+
+        [TestMethod]
+        public void TestTrailingDoubleColon()
+        {
+            var line = new Line("PRIVMSG", "#channel", ":helloworld").Format();
+
+            Assert.AreEqual("PRIVMSG #channel ::helloworld", line);
+        }
+
+        [TestMethod]
+        public void TestInvalidNonLastSpace()
+        {
+            Assert.ThrowsException<ArgumentException>(() => { new Line("USER", "user", "0 *", "real name").Format(); });
+        }
+
+        [TestMethod]
+        public void TestInvalidNonLastColon()
+        {
+            Assert.ThrowsException<ArgumentException>(() => { new Line("PRIVMSG", ":#channel", "hello").Format(); });
+        }
+    }
+}
diff --git a/IRCTokens/Tests/Hostmask.cs b/IRCTokens/Tests/Hostmask.cs
new file mode 100644
index 0000000..2446013
--- /dev/null
+++ b/IRCTokens/Tests/Hostmask.cs
@@ -0,0 +1,64 @@
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+
+namespace IRCTokens.Tests
+{
+    [TestClass]
+    public class Hostmask
+    {
+        [TestMethod]
+        public void TestHostmask()
+        {
+            var hostmask = new IRCTokens.Hostmask("nick!user@host");
+            Assert.AreEqual("nick", hostmask.NickName);
+            Assert.AreEqual("user", hostmask.UserName);
+            Assert.AreEqual("host", hostmask.HostName);
+        }
+
+        [TestMethod]
+        public void TestNoHostName()
+        {
+            var hostmask = new IRCTokens.Hostmask("nick!user");
+            Assert.AreEqual("nick", hostmask.NickName);
+            Assert.AreEqual("user", hostmask.UserName);
+            Assert.IsNull(hostmask.HostName);
+        }
+
+        [TestMethod]
+        public void TestNoUserName()
+        {
+            var hostmask = new IRCTokens.Hostmask("nick@host");
+            Assert.AreEqual("nick", hostmask.NickName);
+            Assert.IsNull(hostmask.UserName);
+            Assert.AreEqual("host", hostmask.HostName);
+        }
+
+        [TestMethod]
+        public void TestOnlyNickName()
+        {
+            var hostmask = new IRCTokens.Hostmask("nick");
+            Assert.AreEqual("nick", hostmask.NickName);
+            Assert.IsNull(hostmask.UserName);
+            Assert.IsNull(hostmask.HostName);
+        }
+
+        [TestMethod]
+        public void TestHostmaskFromLine()
+        {
+            var line     = new Line(":nick!user@host PRIVMSG #channel hello");
+            var hostmask = new IRCTokens.Hostmask("nick!user@host");
+            Assert.AreEqual(hostmask.ToString(), line.Hostmask.ToString());
+            Assert.AreEqual("nick", line.Hostmask.NickName);
+            Assert.AreEqual("user", line.Hostmask.UserName);
+            Assert.AreEqual("host", line.Hostmask.HostName);
+        }
+
+        [TestMethod]
+        public void TestEmptyHostmaskFromLine()
+        {
+            var line = new Line("PRIVMSG #channel hello");
+            Assert.IsNull(line.Hostmask.HostName);
+            Assert.IsNull(line.Hostmask.UserName);
+            Assert.IsNull(line.Hostmask.NickName);
+        }
+    }
+}
diff --git a/IRCTokens/Tests/Parser.cs b/IRCTokens/Tests/Parser.cs
new file mode 100644
index 0000000..bd0a92d
--- /dev/null
+++ b/IRCTokens/Tests/Parser.cs
@@ -0,0 +1,55 @@
+using System.Collections.Generic;
+using System.Globalization;
+using System.IO;
+using IRCTokens.Tests.Data;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using YamlDotNet.Serialization;
+using YamlDotNet.Serialization.NamingConventions;
+
+namespace IRCTokens.Tests
+{
+    [TestClass]
+    public class Parser
+    {
+        private static T LoadYaml<T>(string path)
+        {
+            var deserializer = new DeserializerBuilder()
+                .WithNamingConvention(CamelCaseNamingConvention.Instance)
+                .Build();
+
+            return deserializer.Deserialize<T>(File.ReadAllText(path));
+        }
+
+        [TestMethod]
+        public void TestSplit()
+        {
+            foreach (var test in LoadYaml<SplitModel>("Tests/Data/msg-split.yaml").Tests)
+            {
+                var tokens = new Line(test.Input);
+                var atoms  = test.Atoms;
+
+                Assert.AreEqual(atoms.Verb.ToUpper(CultureInfo.InvariantCulture), tokens.Command,
+                    $"command failed on: '{test.Input}'");
+                Assert.AreEqual(atoms.Source, tokens.Source, $"source failed on: '{test.Input}'");
+                CollectionAssert.AreEqual(atoms.Tags, tokens.Tags, $"tags failed on: '{test.Input}'");
+                CollectionAssert.AreEqual(atoms.Params ?? new List<string>(), tokens.Params,
+                    $"params failed on: '{test.Input}'");
+            }
+        }
+
+        [TestMethod]
+        public void TestJoin()
+        {
+            foreach (var test in LoadYaml<JoinModel>("Tests/Data/msg-join.yaml").Tests)
+            {
+                var atoms = test.Atoms;
+                var line = new Line
+                {
+                    Command = atoms.Verb, Params = atoms.Params, Source = atoms.Source, Tags = atoms.Tags
+                }.Format();
+
+                Assert.IsTrue(test.Matches.Contains(line), test.Description);
+            }
+        }
+    }
+}
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);
+        }
+    }
+}
diff --git a/IRCTokens/Tests/StatefulEncoder.cs b/IRCTokens/Tests/StatefulEncoder.cs
new file mode 100644
index 0000000..5ced4d2
--- /dev/null
+++ b/IRCTokens/Tests/StatefulEncoder.cs
@@ -0,0 +1,84 @@
+using System.Text;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+
+namespace IRCTokens.Tests
+{
+    [TestClass]
+    public class StatefulEncoder
+    {
+        private IRCTokens.StatefulEncoder _encoder;
+
+        [TestInitialize]
+        public void TestInitialize()
+        {
+            _encoder = new IRCTokens.StatefulEncoder();
+        }
+
+        [TestMethod]
+        public void TestPush()
+        {
+            var line = new Line("PRIVMSG #channel hello");
+            _encoder.Push(line);
+            Assert.AreEqual("PRIVMSG #channel hello\r\n", _encoder.Pending());
+        }
+
+        [TestMethod]
+        public void TestPopPartial()
+        {
+            var line = new Line("PRIVMSG #channel hello");
+            _encoder.Push(line);
+            _encoder.Pop("PRIVMSG #channel hello".Length);
+            Assert.AreEqual("\r\n", _encoder.Pending());
+        }
+
+        [TestMethod]
+        public void TestPopReturned()
+        {
+            var line = new Line("PRIVMSG #channel hello");
+            _encoder.Push(line);
+            _encoder.Push(line);
+            var lines = _encoder.Pop("PRIVMSG #channel hello\r\n".Length);
+            Assert.AreEqual(1, lines.Count);
+            Assert.AreEqual(line, lines[0]);
+        }
+
+        [TestMethod]
+        public void TestPopNoneReturned()
+        {
+            var line = new Line("PRIVMSG #channel hello");
+            _encoder.Push(line);
+            var lines = _encoder.Pop(1);
+            Assert.AreEqual(0, lines.Count);
+        }
+
+        [TestMethod]
+        public void TestPopMultipleLines()
+        {
+            var line1 = new Line("PRIVMSG #channel1 hello");
+            _encoder.Push(line1);
+            var line2 = new Line("PRIVMSG #channel2 hello");
+            _encoder.Push(line2);
+
+            var lines = _encoder.Pop(_encoder.Pending().Length);
+            Assert.AreEqual(2, lines.Count);
+            Assert.AreEqual(string.Empty, _encoder.Pending());
+        }
+
+        [TestMethod]
+        public void TestClear()
+        {
+            _encoder.Push(new Line("PRIVMSG #channel hello"));
+            _encoder.Clear();
+            Assert.AreEqual(string.Empty, _encoder.Pending());
+        }
+
+        [TestMethod]
+        public void TestEncoding()
+        {
+            var iso8859 = Encoding.GetEncoding("iso-8859-1");
+            _encoder = new IRCTokens.StatefulEncoder {Encoding = iso8859};
+            _encoder.Push(new Line("PRIVMSG #channel :hello Ç"));
+            CollectionAssert.AreEqual(iso8859.GetBytes("PRIVMSG #channel :hello Ç\r\n"), _encoder.PendingBytes);
+        }
+    }
+}
diff --git a/IRCTokens/Tests/Tokenization.cs b/IRCTokens/Tests/Tokenization.cs
new file mode 100644
index 0000000..03959de
--- /dev/null
+++ b/IRCTokens/Tests/Tokenization.cs
@@ -0,0 +1,118 @@
+using System.Collections.Generic;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+
+namespace IRCTokens.Tests
+{
+    [TestClass]
+    public class Tokenization
+    {
+        [TestMethod]
+        public void TestTagsMissing()
+        {
+            var line = new Line("PRIVMSG #channel");
+            Assert.IsNull(line.Tags);
+        }
+
+        [TestMethod]
+        public void TestTagsMissingValue()
+        {
+            var line = new Line("@id= PRIVMSG #channel");
+            Assert.AreEqual(string.Empty, line.Tags["id"]);
+        }
+
+        [TestMethod]
+        public void TestTagsMissingEqual()
+        {
+            var line = new Line("@id PRIVMSG #channel");
+            Assert.AreEqual(string.Empty, line.Tags["id"]);
+        }
+
+        [TestMethod]
+        public void TestTagsUnescape()
+        {
+            var line = new Line(@"@id=1\\\:\r\n\s2 PRIVMSG #channel");
+            Assert.AreEqual("1\\;\r\n 2", line.Tags["id"]);
+        }
+
+        [TestMethod]
+        public void TestTagsOverlap()
+        {
+            var line = new Line(@"@id=1\\\s\\s PRIVMSG #channel");
+            Assert.AreEqual("1\\ \\s", line.Tags["id"]);
+        }
+
+        [TestMethod]
+        public void TestTagsLoneEndSlash()
+        {
+            var line = new Line("@id=1\\ PRIVMSG #channel");
+            Assert.AreEqual("1", line.Tags["id"]);
+        }
+
+        [TestMethod]
+        public void TestSourceWithoutTags()
+        {
+            var line = new Line(":nick!user@host PRIVMSG #channel");
+            Assert.AreEqual("nick!user@host", line.Source);
+        }
+
+        [TestMethod]
+        public void TestSourceWithTags()
+        {
+            var line = new Line("@id=123 :nick!user@host PRIVMSG #channel");
+            Assert.AreEqual("nick!user@host", line.Source);
+        }
+
+        [TestMethod]
+        public void TestSourceMissingWithoutTags()
+        {
+            var line = new Line("PRIVMSG #channel");
+            Assert.IsNull(line.Source);
+        }
+
+        [TestMethod]
+        public void TestSourceMissingWithTags()
+        {
+            var line = new Line("@id=123 PRIVMSG #channel");
+            Assert.IsNull(line.Source);
+        }
+
+        [TestMethod]
+        public void TestCommand()
+        {
+            var line = new Line("privmsg #channel");
+            Assert.AreEqual("PRIVMSG", line.Command);
+        }
+
+        [TestMethod]
+        public void TestParamsTrailing()
+        {
+            var line = new Line("PRIVMSG #channel :hello world");
+            CollectionAssert.AreEqual(new List<string> {"#channel", "hello world"}, line.Params);
+        }
+
+        [TestMethod]
+        public void TestParamsOnlyTrailing()
+        {
+            var line = new Line("PRIVMSG :hello world");
+            CollectionAssert.AreEqual(new List<string> {"hello world"}, line.Params);
+        }
+
+        [TestMethod]
+        public void TestParamsMissing()
+        {
+            var line = new Line("PRIVMSG");
+            Assert.AreEqual("PRIVMSG", line.Command);
+            CollectionAssert.AreEqual(new List<string>(), line.Params);
+        }
+
+        [TestMethod]
+        public void TestAllTokens()
+        {
+            var line = new Line("@id=123 :nick!user@host PRIVMSG #channel :hello world");
+            CollectionAssert.AreEqual(new Dictionary<string, string> {{"id", "123"}}, line.Tags);
+            Assert.AreEqual("nick!user@host", line.Source);
+            Assert.AreEqual("PRIVMSG", line.Command);
+            CollectionAssert.AreEqual(new List<string> {"#channel", "hello world"}, line.Params);
+        }
+    }
+}